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test: delete tests of dead eval code (A)
- A1: the retired Eng lexical oracle (evaluateEngSeedCoverage, isEngSeedDecisionAUQ), the completion-handoff detector and the retained corpus had no paid caller since v1.87.6; delete their 26 replay files, ~2.6k helper LOC and fixtures, and the dead blocks in 8 mixed files (live hasNativePlanTerminal / batching assertions stay). - A2: dead viewport approvers in autoplan-artifact-permission and their 11 replay files + fixtures; recorder/launcher cases stay. - A3: never-wired oracles and seeders (autoplan-phase-order, eng-finding-fixture, ceo-paired-fixture, design-ui-scope, plan-skill-completion, pty-current-screen, required-reads, transcript-section-logger); plan-seed-submission now decodes through the production createPtyScreen; section manifests name their actual guard. - A4: zero-reference helper exports, plus execGit and invokeAndObserve found by the reachability pass. - 52 fixtures orphaned by the deletions; touchfile and selection-table entries for every deleted path.
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"viewport": " 64 +- **Success target made numeric:** 45 seconds absolute; if the production baseline is already under 60 seconds, the\n + target becomes 25% below baseline and the Final Gate premise item is escalated. \n 65 +- **Session join check is P1**, part of task T1 (a precondition to flag-on), with a fallback metric (per-member dai\n +ly median joined on member ID and day). Row 0b's query remains P2. \n 66 +- **Exposure metric labelled** with cohort (flag on or off) and entry kind (redirect or direct visit) so redirected\n + and direct visitors are compared separately. \n 67 +- **Toast triggers enumerated:** mark-all-read outcomes only. Quick actions are links and raise no toast. \n 68 +- **Route registration file** for `/dashboard` added to blast radius. \n 69 +- **Mark-all-read validation tightening** is a decision, not just a blast-radius line: rejecting malformed or futur\n +e snapshots with 422 is a security hardening accepted in the review record's security section; the API contract for\n + valid input does not change. \n 70 +- **Freshness after \"View all\":** `usePanelData` fetches on mount and on every route entry, so a keep-alive router \n +still refreshes. \n 71 +- **Row 2 (shell badge) is P3**, consistent with \"design happens when picked up\". **Row 3 (undo)** is not symmetric\n +: it must restore prior read state, so it needs state capture; effort L when picked up. \n 72 +- **Units:** \"points\" everywhere means percentage points. \n 73 +- **Row 8 criterion is an explicit proxy:** share of first actions labelled \"resume assigned work\" stands in for th\n +e trigger population (exactly one assigned item, no unread alerts), which cannot be measured until the dashboard ex\n +poses both counts. \n 74 +- **Task index:** tasks T1 to T14 are listed in the review record's CEO Implementation Tasks section and in `~/.gst\n +ack/projects/gstack-autoplan-chain-PdOGYy/tasks-ceo-review-20260909-201501.jsonl`; the Final Gate aggregates them. \n 75 + \n 76 +## Reviewer Concerns (unresolved after three iterations) \n 77 + \n 78 +- The document cannot name routes, action IDs, or the analytics session key because the repository contains no appl\n +ication source. Each is pinned by a named task at implementation start; the reviewer considers that a deferral. \n 79 +- Baseline item 1 changes \"Users land here after login\" into a flag-gated cohort redirect. This is a rollout mechan\n +ism, not a scope change, but the reviewer wants it labelled as a decision; it is recorded here as such. \n 80 + \n 81 ## Deferred to TODOS.md (one line each; design happens when the item is picked up)\n 82 - Shell unread badge (P2, S).\n 83 - Undo for mark-all-read (P3, M); needs a new mutation API decision first.\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n Do you want to make this edit to 2026-09-09-user-dashboard.md?\n \u276f 1. Yes\n 2. Yes, and switch to accept edits (auto-approve file edits and common file commands) for this session (shift+tab)\n 3. No\n\n Esc to cancel \u00b7 Tab to amend\n",
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"file_path": "/tmp/gstack-paid-shard-kz30Zk/tmp/gstack-hermetic-2065087-pJs7H4/skill-home-w8xczb/.gstack/projects/gstack-autoplan-chain-PdOGYy/ceo-plans/2026-09-09-user-dashboard.md",
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"content": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-09\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-PdOGYy (no remote configured)\n\n## Vision\n\n### 10x Check\nThe 10x version is not a better dashboard. It is a landing that already knows what the member came to do. When a member has exactly one assigned item and no unread alerts, the login lands them inside that item with a one-line \"3 changes since you left\" strip; when they have alerts, the landing leads with the alert that blocks them. The dashboard in this plan is the necessary first step: it is the only surface that can host that adaptive behavior later, and it produces the exposure and click data needed to decide which action deserves the redirect. Effort for the adaptive landing itself: human ~2 weeks / CC ~2 hours, gated on two weeks of dashboard analytics. It is deferred, not rejected.\n\n### Platonic Ideal\nNot produced (SELECTIVE EXPANSION mode).\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| 1 | \"View all\" links from each panel to the existing full activity and notification pages | S | ACCEPTED | In blast radius (panel components only), completes the 20-record cap story, zero new infra |\n| 2 | Unread-count badge in the shared page shell header | S | DEFERRED | Touches the page shell, outside this plan's files; valuable but separate |\n| 3 | Inline \"Undo\" after mark-all-read | M | DEFERRED | Requires a new unmark mutation API; the plan states no new mutation API |\n| 4 | Real-time updates for notifications (polling or push) | L | DEFERRED | New infra; the dashboard refetches on focus and after mutations, which covers v1 |\n| 5 | \"New since your last visit\" divider in the activity feed | M | DEFERRED | Requires persisting last-visit time per member; new storage |\n| 6 | Prefetch dashboard payload in the login response | M | DEFERRED | Touches the login flow, outside blast radius |\n| 7 | Keyboard shortcuts (g+d, j/k through notifications) | S | DEFERRED | Low value for the first cohort; revisit with usage data |\n| 8 | Adaptive landing: redirect straight into work when one obvious next item exists (10x) | L | DEFERRED (Phase 2) | Needs dashboard exposure/click data first; surfaced at the Final Gate as a taste item |\n\n## Accepted Scope (added to this plan)\n- Per-panel \"View all\" links to the existing full activity page and full notifications page.\n\n## Deferred to TODOS.md\n- Shell unread badge (P2, S): one badge in the page shell fed by the notifications unread count; reuses the same endpoint section.\n- Undo for mark-all-read (P3, M): needs an unmark-at-or-before-snapshot mutation; the snapshot semantics make it cheap once the API exists.\n- Real-time notifications (P3, L): polling first, push later; only if refetch-on-focus proves insufficient.\n- \"New since last visit\" activity divider (P3, M): persist last dashboard exposure timestamp per member.\n- Prefetch dashboard payload at login (P3, M): saves one round trip; measure first.\n- Keyboard shortcuts (P3, S).\n- Adaptive landing / smart redirect (P2, L): Phase 2, decided from two weeks of dashboard analytics segmented by first action type.\n"
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"content": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-09\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-PdOGYy (no remote configured)\n\n## How to read this document\n\n- **Source plan:** `.claude/plans/ui-heavy-feature.md` in the repo. This document records scope *decisions* made during the CEO review; it does not replace the source plan. The full review, including every accepted engineering requirement referenced below, lives in the active plan file's \"Review record\" section (`## Review record`, block `autoplan-accepted:ceo`).\n- **Effort scale (one scale, used everywhere):** S = human under 1 day, CC under 30 minutes. M = human 1 to 3 days, CC under 2 hours. L = human 1 to 2 weeks, CC 2 to 4 hours. \"CC\" means implementation with Claude Code plus gstack.\n- **Priority scale:** P1 blocks shipping this plan. P2 should land on this branch or the next one. P3 is a backlog item. Priority is unrelated to \"Phase 2\", which means \"a separate later plan, after this one ships and has data\".\n- **Final Gate:** the single approval step at the end of the /autoplan pipeline where the user confirms or overrides recommendations. A \"taste item\" is a decision reasonable people could make differently; it is auto-decided with a recommendation and surfaced at the Final Gate for the user to confirm or flip.\n- **Blast radius (the files this plan may touch):** `src/pages/UserDashboard.tsx`; `src/components/dashboard/` (ActivityFeed, NotificationsPanel, QuickActions, MarkAllReadDialog, usePanelData, PanelState); `src/components/feedback/` (ToastProvider, useToast); `src/api/dashboard/` (handler, envelope); the snapshot validation in the existing mark-all-read handler; dashboard tests under `test/` and `e2e/`; `docs/dashboard-rollout.md`. Anything else (page shell, login flow, repositories, schema) is outside blast radius.\n\n## Baseline scope (unchanged from the source plan)\n\n1. New page `/dashboard` (`UserDashboard.tsx`) that becomes the post-login landing for members in the `dashboard_landing` flag cohort.\n2. Three panels: `ActivityFeed` (immutable audit history), `NotificationsPanel` (member alerts with read state), `QuickActions` (the three registry actions, filtered by server-side eligibility). Each panel has loading, empty, error and success states.\n3. Confirmation modal for \"Mark all as read\", built on the existing dialog primitive, calling the existing snapshot-bounded idempotent bulk-read API. No new mutation API.\n4. Toast feedback (a `role=\"status\"` live region) for action results; required by the existing accessibility policy.\n5. New aggregate endpoint `GET /api/dashboard` composing the three existing repository reads with per-section success or failure; no schema change.\n6. Exposure and interaction instrumentation for the new page (the source plan states the page \"still needs its own exposure and interaction instrumentation\"). Decision row 0 below makes this explicit.\n7. Out of scope per the source plan: dark mode, personalization.\n\nBehaviors cited below as \"accepted requirements\" (refetch on window focus throttled to once per 60 seconds, refetch of the notifications section after mark-all-read, 10 rendered items per panel) are recorded in the accepted-requirements block of the review record, not invented here.\n\n## Vision\n\n### 10x Check\nThe 10x version is not a better dashboard. It is a landing that already knows what the member came to do. When a member has exactly one assigned item and no unread alerts, login lands them inside that item with a one-line \"3 changes since you left\" strip; when they have alerts, the landing leads with the alert that blocks them. The dashboard in this plan is the necessary first step: it is the only surface that can host that adaptive behavior later, and it produces the exposure and click data needed to decide which action deserves the redirect. Effort for the adaptive landing itself: L, and only after the data in row 8 exists. It is deferred, not rejected.\n\n### Platonic Ideal\nNot produced (SELECTIVE EXPANSION mode).\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| 0 | Analytics events: `dashboard_exposure` on page view and `dashboard_action_click{action_id}` on quick-action click, plus first-action-after-login segmentation computed from existing login/action-start events | S | ACCEPTED (P1) | Already required by the source plan; made explicit because rows 8 and the rollout criteria depend on it |\n| 1 | \"View all\" link in the footer of ActivityFeed and NotificationsPanel, same tab, no filter state, pointing at the existing full activity page and full notifications page. Rendered only in the panel's success state (hidden while loading, on error, and when the panel is empty). Routes are the ones the existing pages already own; confirm the exact paths at implementationLine truncated
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"content": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-09\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-PdOGYy (no remote configured)\n\n## How to read this document\n\n- **Source plan:** `.claude/plans/ui-heavy-feature.md` in the repo. This document records scope *decisions* made during the CEO review; it does not replace the source plan. The full review, including every accepted engineering requirement referenced below, lives in the active plan file's \"Review record\" section (block `autoplan-accepted:ceo`).\n- **Repository state:** the repository under review contains only `README.md` and the source plan. There is no application source, so routes, action IDs and analytics join keys cannot be read here; where this document depends on them it says so and names the implementation task that pins them down.\n- **Effort scale (one scale, used everywhere):** S = human under 1 day, CC under 30 minutes. M = human 1 to 3 days, CC under 2 hours. L = human 1 to 2 weeks, CC 2 to 4 hours. \"CC\" means implementation with Claude Code plus gstack.\n- **Priority scale (applies only to work on this branch or the next):** P1 blocks shipping this plan. P2 lands on this branch or the next one. P3 is a backlog item. Items marked \"Phase 2\" are a separate later plan that starts only after this one ships and has data; they carry no branch priority.\n- **Final Gate:** the single approval step at the end of the /autoplan pipeline where the user confirms or overrides recommendations. A \"taste item\" is a decision reasonable people could make differently; it is auto-decided with a recommendation and surfaced at the Final Gate for the user to confirm or flip.\n- **Blast radius (the files this plan may touch):** `src/pages/UserDashboard.tsx`; `src/components/dashboard/` (ActivityFeed, NotificationsPanel, QuickActions, MarkAllReadDialog, usePanelData, PanelState); `src/components/feedback/` (ToastProvider, useToast); `src/api/dashboard/` (handler, envelope); one flag-gated conditional at the existing post-login redirect site; input-validation tightening in the existing mark-all-read handler (reject malformed or future snapshots, no contract change for valid input, no new API); analytics event emission from `UserDashboard` and `QuickActions` through the existing analytics client (no new analytics module); dashboard tests under `test/` and `e2e/`; `docs/dashboard-rollout.md` (created by this plan). Anything else (rest of the page shell and login flow, repositories, schema) is outside blast radius.\n\n## Baseline scope (unchanged from the source plan)\n\n1. New page `/dashboard` (`UserDashboard.tsx`), registered for every authenticated workspace member. It renders for anyone who visits it directly. The `dashboard_landing` flag changes only the post-login redirect target for members in the cohort.\n2. Three panels: `ActivityFeed` (immutable audit history), `NotificationsPanel` (member alerts with read state), `QuickActions` (the three registry actions, filtered by server-side eligibility). Each panel has loading, empty, error and success states. The source plan names the actions by label only: \"create an item\", \"resume assigned work\", \"invite a member\"; their stable IDs come from the registry and are read at implementation (task T10).\n3. Confirmation modal for \"Mark all as read\", built on the existing dialog primitive, calling the existing bulk-read API, which the source plan states is idempotent and snapshot-bounded (marks only notifications at or before the supplied snapshot time). No new mutation API.\n4. Toast feedback (a `role=\"status\"` live region) for action results; required by the existing accessibility policy.\n5. New aggregate endpoint `GET /api/dashboard` composing the three existing repository reads with per-section success or failure; no schema change.\n6. Exposure and interaction instrumentation for the new page (the source plan states the page \"still needs its own exposure and interaction instrumentation\"). Decision row 0a below makes this explicit.\n7. Out of scope per the source plan: dark mode, personalization.\n\nBehaviors cited below as accepted requirements are recorded in the accepted-requirements block of the review record: `usePanelData` fetches on mount and refetches on window focus throttled to once per 60 seconds; the notifications section refetches after mark-all-read; each list panel renders at most 10 of the 20 returned items; `dashboard_exposure_total` fires once per route entry, never on refetch.\n\nRollout criteria, in one line (full text in the review record and `docs/dashboard-rollout.md`): cohorts 10%, 50%, 100% at 7 days each; success is median login-to-first-completed-task at or below a target restated relative to the production baseline measured before flag-on; kill if completed-task rate drops more than 2 points or permission-error rate rises at all; rollback is flag off. **KilLine truncated
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"new_string": "## Corrections after adversarial review (three iterations, convergence guard stopped the loop)\n\n- **\"View all\" rule corrected:** shown when the section returned more items than the 10 displayed *or* the cursor indicates further pages. The earlier \"cursor only\" rule would have stranded items 11 to 20.\n- **Kill rules corrected:** measured per 7-day stage against the flag-off cohort with at least 1,000 sessions per cohort; completed-task rate down more than 2 percentage points, or permission-error rate up more than 0.5 percentage points. \"Rises at all\" was noise-prone.\n- **Success target made numeric:** 45 seconds absolute; if the production baseline is already under 60 seconds, the target becomes 25% below baseline and the Final Gate premise item is escalated.\n- **Session join check is P1**, part of task T1 (a precondition to flag-on), with a fallback metric (per-member daily median joined on member ID and day). Row 0b's query remains P2.\n- **Exposure metric labelled** with cohort (flag on or off) and entry kind (redirect or direct visit) so redirected and direct visitors are compared separately.\n- **Toast triggers enumerated:** mark-all-read outcomes only. Quick actions are links and raise no toast.\n- **Route registration file** for `/dashboard` added to blast radius.\n- **Mark-all-read validation tightening** is a decision, not just a blast-radius line: rejecting malformed or future snapshots with 422 is a security hardening accepted in the review record's security section; the API contract for valid input does not change.\n- **Freshness after \"View all\":** `usePanelData` fetches on mount and on every route entry, so a keep-alive router still refreshes.\n- **Row 2 (shell badge) is P3**, consistent with \"design happens when picked up\". **Row 3 (undo)** is not symmetric: it must restore prior read state, so it needs state capture; effort L when picked up.\n- **Units:** \"points\" everywhere means percentage points.\n- **Row 8 criterion is an explicit proxy:** share of first actions labelled \"resume assigned work\" stands in for the trigger population (exactly one assigned item, no unread alerts), which cannot be measured until the dashboard exposes both counts.\n- **Task index:** tasks T1 to T14 are listed in the review record's CEO Implementation Tasks section and in `~/.gstack/projects/gstack-autoplan-chain-PdOGYy/tasks-ceo-review-20260909-201501.jsonl`; the Final Gate aggregates them.\n\n## Reviewer Concerns (unresolved after three iterations)\n\n- The document cannot name routes, action IDs, or the analytics session key because the repository contains no application source. Each is pinned by a named task at implementation start; the reviewer considers that a deferral.\n- Baseline item 1 changes \"Users land here after login\" into a flag-gated cohort redirect. This is a rollout mechanism, not a scope change, but the reviewer wants it labelled as a decision; it is recorded here as such.\n\n## Deferred to TODOS.md (one line each; design happens when the item is picked up)"
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File diff suppressed because it is too large.
Load diff
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"before": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-zmFsqo (no remote)\n\n## Problem\nMembers visit three pages after login to resume work, check alerts, and inspect recent\nchanges. A team walkthrough measured a median of 75s to the next item; the production\nnumber is unknown until the baseline step below runs.\n\nTargets:\n- Ship bar (advance the rollout): median login-to-first-completed-task improves at least\n 20% vs the control cohort.\n- Permanence bar (remove the flag): median at or under 45s absolute, or at least 40% below\n the production baseline if that baseline turns out to be far from 75s, sustained 4 weeks\n at 100%.\n\nGuardrails, measured on the flagged cohort vs control over the same window, evaluated\nonly once the cumulative flagged sample reaches 1000 sessions (a 2-point rate difference\nis noise at 200 sessions):\n- completed-task rate within 2 percentage points of control\n- permission-error rate within 2 percentage points of control\n- dashboard partial-failure rate (any panel failing to load) under 2% of requests\n\n## Vision\n\n### 10x Check\nA landing page that already knows the member's next step. Login, and the first thing on\nscreen is \"Resume: <assigned item>\" as one dominant button, with alerts and changes below.\nNo scanning, no decision. Concrete shape: eligibility-ranked actions from the existing\nregistry, item-level deep links in notifications, activity filtered to \"mine\". Effort for\nthat full version: human ~2 weeks / CC ~3 hours. This plan builds the surface that version\nneeds; multi-action ranking is the separate personalization plan.\n\n## Recommended approach (open taste decision T1)\nA) `GET /api/dashboard` aggregate endpoint returning a per-source result envelope\n(`{ activity, notifications, quickActions }`, each `{ status, data | error }`, notifications\nadding `unreadCount` and a server-issued `snapshot`). Each source returns at most 20\nrecords; the panels link to the existing full pages for more. 200 whenever auth passes;\n`?sources=` allowlist for per-panel retry. Alternatives considered: B) three client calls\nto existing list endpoints (T1 below; under B the envelope, `?sources=`, and server-issued\nsnapshot are replaced by per-call responses and the snapshot comes from the notifications\nlist response); C) post-login smart redirect (deferred as experiment E9).\n\nMark all as read reuses the existing member-scoped bulk-read API, which already takes a\nsnapshot time and marks only notifications at or before it. The `snapshot` in the envelope\nis the server-issued value the client passes to that existing API. No new mutation API is\nintroduced anywhere in this plan; E6 is deferred precisely because it would need one.\n\n## Effort for accepted scope\nBaseline plan plus E1-E5 and the shared primitives: human ~3 days / CC ~1.5 hours\n(the plan file has the hour-by-hour breakdown).\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| E1 | Next-up primary CTA when resume-assigned-work is eligible; when not eligible the three actions render as equal buttons | S | ACCEPTED | Directly moves the metric. Uses only the single existing eligibility predicate for that action; no ordering across actions, so this is not ranking. Ranking stays deferred. |\n| E2 | Unread count badge in Notifications header | S | ACCEPTED | Count already needed for Mark-all button state; answers \"is there anything?\" before scanning |\n| E3 | View all links to existing full pages | S | ACCEPTED | Makes the 20-record cap honest; older-page navigation stays where it lives |\n| E4 | Relative timestamps with absolute time in title and datetime | S | ACCEPTED | Does not move the 45s metric directly; low cost, faster scanning, screen readers get the absolute value |\n| E5 | Refresh when the user returns to the tab, at most every 30s | S | ACCEPTED | Does not move the metric directly; low cost, prevents stale-alert confusion; the 30s floor bounds traffic |\n| E6 | Per-notification mark-as-read | M | DEFERRED | Needs a new mutation API, which this plan excludes |\n| E7 | Live notification updates | M-L | DEFERRED | Needs polling or push infrastructure this plan does not touch |\n| E8 | Keyboard shortcuts for actions | S-M | DEFERRED | Global key handling, screen-reader conflicts; needs its own a11y review |\n| E9 | Post-login smart redirect A/B | S | DEFERRED | Login-flow change; needs the production baseline first |\n\n## Accepted Scope (added to this plan)\n- E1 Next-up primary CTA\n- E2 Unread badge\n- E3 View all links\n- E4 Relative timestamps\n- E5 Refresh on tab return (30s floor)\n\n## Engineering commitments inherited from review (not scope decisions)\nThese were required by the review to make the baseline scope shippable; they live in\nthe plan file's Review rLine truncated
|
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"viewport": " \n \n\u25cf Appending spec-review metrics\n \u23bf $ mkdir -p ~/.gstack/analytics\n echo '{\"skill\":\"plan-ceo-review\",\"ts\":\"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'\",\"iterations\":3,\"issues_found\":20,\"issues_f\n ixed\":20,\"remaining\":0,\"quality_score\":9,\"via\":\"autoplan\"}' >> ~/.gstack/analytics/spec-review.jsonl 2>/dev/null ||\n true\n echo logged\n \n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n Edit file \n \u2026-982715-DqIQtk/skill-home-262upM/.gstack/projects/gstack-autoplan-chain-zmFsqo/ceo-plans/2026-09-10-user-dashboard.md\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n 94 a forced partial failure shows one panel error with a working Retry, mark all as read\n 95 completes, keyboard-only pass, zero accessibility violations).\n 96 4. Hold criteria at 5% and 25%: at least 1 week and 200 flagged sessions for the median\n 97 - check (ship bar, 20% improvement vs control); guardrails evaluated once the cumulative \n 98 - flagged sample reaches 1000 sessions. Roll back one step on a guardrail breach at that \n 99 - sample size, or immediately on partial-failure rate over 2%. \n 97 + check (ship bar, 20% improvement vs control; at 200 sessions this is a directional \n 98 + signal, so also require the confidence interval on the median difference to exclude \n 99 + zero before advancing). Advancing 5% \u2192 25% requires only the median check and the \n 100 + partial-failure rate; the 2-point rate guardrails apply once 1000 cumulative flagged \n 101 + sessions accumulate, at whichever step that occurs, and a breach counts only when the \n 102 + 90% confidence interval on the difference excludes zero (a bare 2-point reading at \n 103 + 1000 sessions fires on noise about one time in three). Roll back one step on a \n 104 + confirmed guardrail breach, or immediately on partial-failure rate over 2%. \n 105 + These exit criteria and guardrail definitions assume the recommended T2 (all three \n 106 + panels in v1); if the user picks the staged option, \"all three panels load\" and the \n 107 + partial-failure definition are re-scoped to the panels actually shipped. \n 108 5. Permanence: after 4 weeks at 100% with the permanence bar met and guardrails held,\n 109 remove the flag and make the dashboard the landing page. If the permanence bar is not\n 110 met after 8 weeks at 100%, decide explicitly: keep with the ship-bar gain, iterate, or\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n Do you want to maLine truncated
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"content": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-zmFsqo (no remote)\n\n## Problem\nMembers visit three pages after login to resume work, check alerts, and inspect recent\nchanges. A team walkthrough measured a median of 75s to the next item; the production\nnumber is unknown until the baseline step below runs.\n\nTargets:\n- Ship bar (advance the rollout): median login-to-first-completed-task improves at least\n 20% vs the control cohort.\n- Permanence bar (remove the flag): median at or under 45s absolute, or at least 40% below\n the production baseline if that baseline turns out to be far from 75s, sustained 4 weeks\n at 100%.\n\nGuardrails, measured on the flagged cohort vs control over the same window, evaluated\nonly once the cumulative flagged sample reaches 1000 sessions (a 2-point rate difference\nis noise at 200 sessions):\n- completed-task rate within 2 percentage points of control\n- permission-error rate within 2 percentage points of control\n- dashboard partial-failure rate (any panel failing to load) under 2% of requests\n\n## Vision\n\n### 10x Check\nA landing page that already knows the member's next step. Login, and the first thing on\nscreen is \"Resume: <assigned item>\" as one dominant button, with alerts and changes below.\nNo scanning, no decision. Concrete shape: eligibility-ranked actions from the existing\nregistry, item-level deep links in notifications, activity filtered to \"mine\". Effort for\nthat full version: human ~2 weeks / CC ~3 hours. This plan builds the surface that version\nneeds; multi-action ranking is the separate personalization plan.\n\n## Recommended approach (open taste decision T1)\nA) `GET /api/dashboard` aggregate endpoint returning a per-source result envelope\n(`{ activity, notifications, quickActions }`, each `{ status, data | error }`, notifications\nadding `unreadCount` and a server-issued `snapshot`). Each source returns at most 20\nrecords; the panels link to the existing full pages for more. 200 whenever auth passes;\n`?sources=` allowlist for per-panel retry. Alternatives considered: B) three client calls\nto existing list endpoints (T1 below; under B the envelope, `?sources=`, and server-issued\nsnapshot are replaced by per-call responses and the snapshot comes from the notifications\nlist response); C) post-login smart redirect (deferred as experiment E9).\n\nMark all as read reuses the existing member-scoped bulk-read API, which already takes a\nsnapshot time and marks only notifications at or before it. The `snapshot` in the envelope\nis the server-issued value the client passes to that existing API. No new mutation API is\nintroduced anywhere in this plan; E6 is deferred precisely because it would need one.\n\n## Effort for accepted scope\nBaseline plan plus E1-E5 and the shared primitives: human ~3 days / CC ~1.5 hours\n(the plan file has the hour-by-hour breakdown).\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| E1 | Next-up primary CTA when resume-assigned-work is eligible; when not eligible the three actions render as equal buttons | S | ACCEPTED | Directly moves the metric. Uses only the single existing eligibility predicate for that action; no ordering across actions, so this is not ranking. Ranking stays deferred. |\n| E2 | Unread count badge in Notifications header | S | ACCEPTED | Count already needed for Mark-all button state; answers \"is there anything?\" before scanning |\n| E3 | View all links to existing full pages | S | ACCEPTED | Makes the 20-record cap honest; older-page navigation stays where it lives |\n| E4 | Relative timestamps with absolute time in title and datetime | S | ACCEPTED | Does not move the 45s metric directly; low cost, faster scanning, screen readers get the absolute value |\n| E5 | Refresh when the user returns to the tab, at most every 30s | S | ACCEPTED | Does not move the metric directly; low cost, prevents stale-alert confusion; the 30s floor bounds traffic |\n| E6 | Per-notification mark-as-read | M | DEFERRED | Needs a new mutation API, which this plan excludes |\n| E7 | Live notification updates | M-L | DEFERRED | Needs polling or push infrastructure this plan does not touch |\n| E8 | Keyboard shortcuts for actions | S-M | DEFERRED | Global key handling, screen-reader conflicts; needs its own a11y review |\n| E9 | Post-login smart redirect A/B | S | DEFERRED | Login-flow change; needs the production baseline first |\n\n## Accepted Scope (added to this plan)\n- E1 Next-up primary CTA\n- E2 Unread badge\n- E3 View all links\n- E4 Relative timestamps\n- E5 Refresh on tab return (30s floor)\n\n## Engineering commitments inherited from review (not scope decisions)\nThese were required by the review to make the baseline scope shippable; they live in\nthe plan file's RLine truncated
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|
||||
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|
||||
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|
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"new_string": "Round 3 (final, max iterations): 8/10, 4 new issues, all fixed in the doc and accepted as refinements (Eng binds):\n- R11 `NotificationItem` reuses the existing notification row type; `QuickAction = { actionId, label, href }` reusing the registry type; `quickActions.data` keeps the registry's fixed priority order, client does not re-sort, \"top\" = index 0.\n- R12 `fetchedAt` is an ISO 8601 UTC string from the server clock at handler entry; `snapshotAt` is converted to whatever representation the existing bulk-read API accepts (verify in Eng).\n- R13 The 2s timeout must cancel the underlying query (AbortSignal / query timeout, else DB statement timeout \u2264 2s), not merely race it, or the pool-headroom gate is undermined.\nLoop outcome: 3 iterations, 25 issues found, 25 fixed, 0 remaining; final score 8/10 (no round returned PASS; convergence guard not triggered \u2014 each round's issues were new). Metrics appended to `~/.gstack/analytics/spec-review.jsonl`."
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"viewport": " \u23bf $ mkdir -p ~/.gstack/analytics && echo '{\"skill\":\"plan-ceo-review\",\"via\":\"autoplan\",\"ts\":\"'$(date -u\n +%Y-%m-%dT%H:%M:%SZ)'\",\"iterations\":3,\"issues_found\":25,\"issues_fixed\":25,\"remaining\":0,\"quality_score\":8}' >>\n ~/.gstack/analytics/spec-review.jsonl && echo logged\n \n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n Edit file\n \u20261613300-R9sDgt/skill-home-EXyGdx/.gstack/projects/gstack-autoplan-chain-ZdZS9F/ceo-plans/2026-09-10-user-dashboard.md\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n 33 - `notifications.data = { items: NotificationItem[], unreadCount: number }`.\n 34 - `quickActions.data = QuickAction[]` containing only actions whose server-side eligibility predicate passed; a t\n hrowing predicate omits that action and logs a warning with `actionId`.\n 35 - A null or undefined repository result is converted to `{ status: \"error\", code: \"internal\", retryable: true }` \n and logged at error level; it is never returned as `ok`.\n 36 -- Composition: the three repository calls run concurrently (`Promise.allSettled`), each with a 2s hard timeout that\n - yields `code: \"timeout\", retryable: true`. The 2s timeout is the worst-case ceiling; the rollout gate (p95 < 500ms\n -) measures typical latency. If the gate fails, fix or split the slow section; do not loosen the gate. \n 36 +- `NotificationItem` = the existing notification list row type (reuse). `QuickAction = { actionId, label, href }` f\n +rom the existing action registry (reuse its type if one exists). `quickActions.data` is returned in the registry's \n +fixed priority order; the client does not re-sort; \"top eligible action\" = index 0. \n 37 +- `fetchedAt`: ISO 8601 UTC string taken from the server clock at handler entry. `snapshotAt` is sent in whatever r\n +epresentation the existing bulk-read API already accepts (convert from `fetchedAt` if needed; verify in the Eng pha\n +se). \n 38 +- Composition: the three repository calls run concurrently (`Promise.allSettled`), each with a 2s hard timeout that\n + yields `code: \"timeout\", retryable: true`. The timeout must cancel the underlying work, not merely race it: pass a\n +n AbortSignal / query timeout if the repository supports one; otherwise set a DB statement timeout \u2264 2s for these t\n +hree queries so a slow query does not keep holding a pool connection. The 2s timeout is the worst-case ceiling; the\n + rollout gate (p95 < 500ms) measures typical latency. If the gate fails, fix or split the slow section; do not loos\n +en the gate. \n 39 - Item counts: each section requests the existing first page (20 items + cursor); the client renders at most 10 and\n shows a \"View all\" link to the existing full page. The dashboard never paginates.\n 40 \n 41 - `activity.data = { items: ActivityItem[] }` where `ActivityItem` is the existing activity list row type returned \n by the existing repository first page (reuse the type; do not define a new one).\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254Line truncated
|
||||
"before": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-ZdZS9F (local, no remote)\n\n## Vision\n\n### 10x Check\nThe 10x version is not a bigger dashboard. It is a dashboard that already knows the member's next item: \"Resume: <assigned item title>\" is the first thing on the page, one click from login, with notifications and activity as supporting context below. That requires action ranking and a per-member \"next item\" query that do not exist today. It is the natural Phase 2 (deferred as TODO T-D), and this plan's per-section envelope + independent panel components leave room for it without a rewrite.\n\n## Problem and metric\nMembers visit three pages after login to find their next item (median 75s in a team walkthrough). Success measure: login-to-first-completed-task, target 45s, guardrails completed-task rate and permission-error rate.\n\nDecisions in this review:\n- The production baseline is computed from the existing `login`, `action start`, `action completion` events before any cohort opens (no new instrumentation is needed for the baseline; the new events below are needed for exposure attribution).\n- The metric is segmented by action ID. Primary target: time to \"resume assigned work\". Create and invite are reported separately.\n- The flag-off cohort is the control. The metric is compared per cohort (flag on vs flag off, same period), not only against the historical baseline.\n\n## Alternatives considered\n- A. Quick Actions strip + unread badge in the existing shell, no new page (Completeness 4/10): fastest hypothesis test, but does not deliver the stated feature and touches the shared shell.\n- B. Dashboard page + one aggregate endpoint with per-section result envelopes (9/10): chosen. Keeps the stated backend shape; partial failure is explicit.\n- C. Dashboard page + three per-panel endpoints (9/10): simplest failure semantics, three round trips. Close call with B; surfaced as Taste T2 at the /autoplan final gate. Flip trigger if B is kept: if the staging p95 gate fails because the aggregate's latency is dominated by one slow section that cannot be fixed at the source, switch to C.\n\n## Contracts fixed by this review\n\n### GET /api/dashboard\n- Auth: existing session cookie + workspace membership middleware. Member and workspace IDs come from the request context only; a `workspaceId` query parameter is ignored. Unauthenticated \u2192 401 (client redirects to login). Not a member \u2192 403 (page-level \"no access\"). Feature flag off \u2192 404 (client falls back to the current landing page).\n- 200 body: `{ fetchedAt, activity, notifications, quickActions }`.\n - `Section<T> = { status: \"ok\", data: T } | { status: \"error\", code: \"timeout\" | \"unavailable\" | \"internal\", retryable: boolean }`.\n - `notifications.data = { items: NotificationItem[], unreadCount: number }`.\n - `quickActions.data = QuickAction[]` containing only actions whose server-side eligibility predicate passed; a throwing predicate omits that action and logs a warning with `actionId`.\n - A null or undefined repository result is converted to `{ status: \"error\", code: \"internal\", retryable: true }` and logged at error level; it is never returned as `ok`.\n- Composition: the three repository calls run concurrently (`Promise.allSettled`), each with a 2s hard timeout that yields `code: \"timeout\", retryable: true`. The 2s timeout is the worst-case ceiling; the rollout gate (p95 < 500ms) measures typical latency. If the gate fails, fix or split the slow section; do not loosen the gate.\n- Item counts: each section requests the existing first page (20 items + cursor); the client renders at most 10 and shows a \"View all\" link to the existing full page. The dashboard never paginates.\n\n- `activity.data = { items: ActivityItem[] }` where `ActivityItem` is the existing activity list row type returned by the existing repository first page (reuse the type; do not define a new one).\n\n### Mark all as read\n- Uses the existing member-scoped, CSRF-protected, idempotent bulk-read API, which already accepts a snapshot time and marks only notifications at or before it (stated in the existing contracts). Request carries `snapshotAt = response.fetchedAt`.\n- Two behaviors must be verified against the existing handler in the Eng phase and are **additions to that endpoint if absent** (backward-compatible, no migration): (a) the server clamps `snapshotAt` to \u2264 now; (b) the response includes the new `unreadCount`. If (b) is absent and not added, the client derives `unreadCount` from the follow-up refetch only.\n- Client flow: confirm in `MarkAllReadDialog` (existing Dialog primitive) \u2192 snapshot the current `notifications.data` value \u2192 optimistic flip (all rows read, `unreadCount = 0`) \u2192 POST \u2192 on success apply the response `unreadCount` if present, showLine truncated
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|
||||
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"before": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-P4QEl3 (no remote)\n\n## Vision\n\n### 10x Check\nThe page already knows the member's single most likely next action. When exactly one\nquick action is eligible and there are zero unread notifications, landing could resume\nthat action directly, with the dashboard one click away behind a \"Go to dashboard\" toast.\nLogging in and already being on the task you came to do moves the metric from \"find it in\n45s\" to \"you are there\". Concrete shape: eligibility result with one action + unreadCount 0\n\u2192 redirect. Effort: human ~2 days / CC ~30 min once the dashboard and its envelope exist.\nStatus: DEFERRED to TODOS.md as proposal E2. The user is asked once more at the autoplan\ngate (Taste T1) whether to keep the dashboard as the headline or run E2 first; if the user\ndoes not change the default, E2 stays deferred.\n\n### Platform potential\nThe typed per-panel envelope, the AsyncPanel state wrapper (loading, empty, error with\nretry, success) and the shared toast primitive will be reusable by other pages later.\nBuild them for these three panels only; do not generalize beyond what the dashboard needs.\n\n## Preconditions and open premises\n\n- **PC1 (open at gate):** the repository at HEAD contains only a README and this plan.\n None of the code the plan's contracts describe (page shell, dialog primitive, repository\n methods, typed client errors, Vitest/Playwright, feature flags) exists here. Decision\n required from the user: (a) the plan targets a different repository where those contracts\n exist (all estimates below stand), or (b) this is a greenfield build (every \"reuse\" line\n becomes \"build\", estimates roughly triple, and a foundations phase must be planned first).\n Default assumption until answered: (a).\n- **E1 precondition:** before rollout criteria are fixed, verify that the existing analytics\n actually emit login, action-start, and action-complete events with member and timestamp,\n so login\u2192first-action-start time and per-action first-action share can be computed. If\n they do not, instrument them first (E1 grows from S to M) and delay the cohort start.\n Ceiling: if instrumentation is not live within 10 working days of the dashboard being\n deployable, deploy behind the flag at 0% and re-gate the cohort start on the baseline.\n- **Sample size:** the E1 output must include the required number of cohort sessions N to\n detect a 25% shift in median login\u2192first-action-start time from the observed variance,\n and the resulting cohort percentage and window. The default is 5% of all member logins\n (denominator: every login that lands on the post-login page, not only members with an\n eligible quick action) for two weeks; extend the window or cohort if N is not reached.\n- **Definitions:** control group = members outside the cohort, who land on the current\n post-login landing page. Permission-error rate = quick-action attempts rejected by the\n target workflow's authorization or eligibility check, per session, from the existing\n permission-error analytics event.\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| E1 | Production baseline pull (login\u2192first-action-start distribution, per-action share of first actions) + kill/keep criterion (see below) | S (M if instrumentation missing) | ACCEPTED | Rollout criteria were already required; this makes the 45s target measured, not guessed |\n| E2 | Auto-resume landing when one eligible action and zero unread | M | DEFERRED (re-asked at gate as T1) | Changes landing behavior beyond the stated page; run as an experiment after E1 |\n| E3 | Empty-state CTAs linking to the populating action | S | ACCEPTED | Empty states are features; in blast radius |\n| E4 | Relative timestamps with absolute value in `title` and a `<time datetime>` element | S | ACCEPTED | Spec detail for both list panels |\n| E5 | Optimistic mark-all-read after the user confirms in the dialog, with rollback and a failure toast if the request fails | S | ACCEPTED | Removes the visible wait after confirming; the confirmation step itself is unchanged (T2 below) |\n| E6 | Refetch on mount, on `pageshow` (covers bfcache back navigation), and on `visibilitychange` to visible; refetches are suppressed while a mark-all-read request is in flight | S | ACCEPTED | Stale-state guard for long-open tabs and back navigation without clobbering an optimistic mutation |\n| E7 | Keyboard shortcuts 1/2/3 for quick actions | S | DEFERRED | Screen-reader key conflicts; not needed for the metric |\n| E8 | Unread badge in global nav | S | DEFERRED | Outside the dashboard's blast radius |\n| E9 | Prefetch payload during login redirect | M | DEFERRED | Touches the login flow |\n| E10 | Real-time noLine truncated
|
||||
"viewport": " 75 -- E6 refetch on visibility regain and on mount, including back navigation. \n 74 +- E5 optimistic mark-all-read (after confirmation) with rollback and failure toast. Ordering rule: whil\n +e the mark-all-read request is in flight, background refetches (E6) are suppressed; on failure, the rol\n +lback restores the pre-mutation snapshot, then a refetch runs; on success, a refetch runs. \n 75 +- E6 refetch on mount, on `pageshow`, and on `visibilitychange` to visible, suppressed during an in-fli\n +ght mutation. \n 76 \n 77 ## Structural decisions carried into the plan (not expansions)\n 78 These were made by the review and are provisional where marked; the gate can change them.\n\n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-P4QEl3/ceo-plans/2026-09-10-user-dashboard.md)\n\n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-P4QEl3/ceo-plans/2026-09-10-user-dashboard.md)\n\n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-P4QEl3/ceo-plans/2026-09-10-user-dashboard.md)\n\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n Edit file\n \u20262546450-gfwm4G/skill-home-k7zGB1/.gstack/projects/gstack-autoplan-chain-P4QEl3/ceo-plans/2026-09-10-user-dashboard.md\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n 78 These were made by the review and are provisional where marked; the gate can change them.\n 79 - Aggregate `GET /api/dashboard` returns a per-panel result envelope, and each repository\n 80 call inside the aggregate (activity, notifications, quick-action eligibility) runs\n 81 - concurrently with its own 800ms budget. **Conditional on UC1 resolving to \"keep the \n 82 - aggregate\".** If UC1 resolves to per-panel requests, the envelope becomes the response \n 81 + concurrently with its own 800ms budget; a call that exceeds its budget yields an error \n 82 + result for that panel only, the other panels still return, and AsyncPanel shows that \n 83 + panel's error state with Retry. **Conditional on UC1 resolving to \"keep the aggregate\".** If UC1 resolves to per-\n +panel requests, the envelope becomes the response \n 84 shape of each panel endpoint and the 800ms budget applies per endpoint.\n 85 - Shared toast primitive and shared AsyncPanel wrapper (not conditional).\n 86 - Panel hierarchy quick actions \u2192 notifications \u2192 activity at every breakpoint.\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n Do you want to make this edit to 2026-09-10-user-dashboard.md?\n \u276f 1. Yes\n 2. Yes, and switch to accept edits (auto-approve file edits and common file commands) for this session (shift+tab)\n 3. No\n\Line truncated
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"viewport": "\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-vsRLi1/ceo-plans/2026-09-10-user-dashboard.md)\n \n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n Edit file\n \u20264169247-CCA4dg/skill-home-tlU9KV/.gstack/projects/gstack-autoplan-chain-vsRLi1/ceo-plans/2026-09-10-user-dashboard.md\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n 23 \n 24 | # | Proposal | Effort (human / CC) | Decision | Reasoning |\n 25 |---|----------|--------|----------|-----------|\n 26 -| E1 | Refetch on window focus/visibility, at most once per 60s, stale-while-revalidate; a 503, network or other re\n -quest-level error during a background refetch keeps the stale render and shows an error toast, never a blank page; \n -the refetch is suppressed while the mark-all-read dialog is open or its request is in flight, and the mutation's co\n -mpletion triggers the next refetch, so stale pre-mutation data can never repaint over a completed mutation | S (~2h\n - / ~10min) | ACCEPTED | In blast radius; removes the stale-dashboard-after-lunch failure | \n 26 +| E1 | Refetch on window focus/visibility, at most once per 60s, stale-while-revalidate; a 503, network or other re\n +quest-level error during a background refetch keeps the stale render and shows an error toast, never a blank page; \n +the refetch is suppressed while the mark-all-read dialog is open or its request is in flight, and the mutation's co\n +mpletion triggers the next refetch, so stale pre-mutation data can never repaint over a completed mutation. The 60s\n + throttle applies to focus/visibility triggers only, measured from completion of the most recent fetch of any kind;\n + a mutation-completion refetch bypasses the throttle and resets the window. On a background refetch, panels whose e\n +nvelope is `ok` update; panels whose envelope is `error` keep stale data and contribute to one deduplicated error t\n +oast; panel-level error states render only when there is no data to show (initial load or Retry from error) | S (~2\n +h / ~10min) | ACCEPTED | In blast radius; removes the stale-dashboard-after-lunch failure | \n 27 | E2 | Relative timestamps (\"4 min ago\") with the absolute value in `<time dateTime>` (JSX casing) and `title` | S \n (~1h / ~5min) | ACCEPTED | In blast radius; accessibility and scannability |\n 28 | E3 | Empty-state CTAs: QuickActions \u2192 none (empty means nothing to do); Notifications \u2192 link to the existing full\n notifications page; Activity \u2192 link to the registry's create-item action (the action the plan labels \"create an it\n em\"; confirm its stable ID from the registry) **only when that action is present in the member's eligible `quickAct\n ions` envelope**, otherwise no CTA, so an ineligible member is never routed into a permission error | S (~1h / ~5mi\n n) | ACCEPTED | In blast radius; empty states are onboarding moments |\n 29 | E4 | QuickActions first in DOM and visual order at sm, md and lg (the plan's three breakpoints; no others are def\n ined) | S (~30min / ~5min) | ACCEPTED | In blast radius; directly serves time-to-first-completed-task |\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254Line truncated
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"before": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-vsRLi1 (no remote)\n\n## Baseline scope (what is being expanded)\nA new post-login page at `/dashboard`, behind the feature flag `dashboard_landing` (default off, enabled per member cohort: 10% \u2192 50% \u2192 100%, gates defined in requirement R2 of the active plan). Three panels fed by one aggregate endpoint `GET /api/dashboard`: **QuickActions** (eligible actions from the existing action registry), **Notifications** (latest 20 member alerts with a \"Mark all as read\" confirmation modal), **Activity** (latest 20 audit-history records). Primary metric: login-to-first-completed-task time. Guardrails: completed-task rate and permission-error rate. A shared toast primitive provides non-blocking feedback. Detailed requirements live in the active plan file: R1-R14 are build requirements; R15 is the list of items deferred to TODOS.md (mirrored below).\n\n**Blast radius** (used as the acceptance criterion below) = the files and routes the baseline plan already touches: the dashboard page, its three panels, the dialog wrapper, the toast primitive, the panel-state hook, the aggregate endpoint and its tests. The login flow, global shell/navigation, schema and repositories are outside it.\n\n## Vision\n\n### 10x Check\nThe 10x version of a post-login home is one that acts before you read. It prefetches its data on the login response, lands the first Tab stop and the first thumb-reach on \"Resume assigned work\", shows a \"new since your last visit\" divider in both lists so a returning member scans only what changed, carries an unread badge into every page's navigation so the dashboard is never the only place alerts live, and lets a member undo a bulk action instead of confirming it. Every panel degrades independently: a slow audit query never blanks the actions panel. Effort beyond the baseline plan: human ~3 weeks / CC ~1 day; this total includes the integration, cross-page QA and rollout work that the itemized E4-E8 estimates below (\u22485 human-days / \u22482.5 CC-hours) do not carry individually.\n\n### Platonic Ideal\nNot produced: SELECTIVE EXPANSION mode skips this step by design.\n\n## Scope Decisions\n\n| # | Proposal | Effort (human / CC) | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| E1 | Refetch on window focus/visibility, at most once per 60s, stale-while-revalidate; a 503, network or other request-level error during a background refetch keeps the stale render and shows an error toast, never a blank page; the refetch is suppressed while the mark-all-read dialog is open or its request is in flight, and the mutation's completion triggers the next refetch, so stale pre-mutation data can never repaint over a completed mutation | S (~2h / ~10min) | ACCEPTED | In blast radius; removes the stale-dashboard-after-lunch failure |\n| E2 | Relative timestamps (\"4 min ago\") with the absolute value in `<time dateTime>` (JSX casing) and `title` | S (~1h / ~5min) | ACCEPTED | In blast radius; accessibility and scannability |\n| E3 | Empty-state CTAs: QuickActions \u2192 none (empty means nothing to do); Notifications \u2192 link to the existing full notifications page; Activity \u2192 link to the registry's create-item action (the action the plan labels \"create an item\"; confirm its stable ID from the registry) **only when that action is present in the member's eligible `quickActions` envelope**, otherwise no CTA, so an ineligible member is never routed into a permission error | S (~1h / ~5min) | ACCEPTED | In blast radius; empty states are onboarding moments |\n| E4 | QuickActions first in DOM and visual order at sm, md and lg (the plan's three breakpoints; no others are defined) | S (~30min / ~5min) | ACCEPTED | In blast radius; directly serves time-to-first-completed-task |\n| E5 | Global nav unread badge | M (~1d / ~30min) | DEFERRED | Outside blast radius (global shell); needs an unread-count access path not in the contracts |\n| E6 | \"New since last visit\" divider | M (~2d / ~45min) | DEFERRED | Needs persistence; plan forbids schema changes; client-only variant is lossy across devices |\n| E7 | Prefetch dashboard payload on the login response | M (~1d / ~30min) | DEFERRED | Touches the auth flow; decide after R12's staging latency numbers (endpoint p95/p99) show the extra round trip matters |\n| E8 | Act-then-undo instead of the confirmation modal for \"Mark all as read\" | S (~3h / ~15min) if a bulk un-read API exists; **M (~1d / ~45min) otherwise**, because undo needs a server path to restore read state for the snapshot range, and the plan forbids schema changes and new mutation APIs | HELD \u2192 User Challenge UC1; **default: confirmation modal stands** | Changes the user's stated design; both reviewer voices favor it; user decides at the final gate with the effort caLine truncated
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"before": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-2fm0gB (no remote configured)\nBase plan: `.claude/plans/ui-heavy-feature.md` (its \"Existing product and application\ncontracts\" section defines the terms used below; this document adds decisions, not contracts).\n\n## Glossary (from the base plan)\n- **Action registry**: existing server-side list of three actions (create an item, resume assigned work, invite a member), each with a stable ID, label, route target, and an **eligibility predicate** evaluated on the server against the request context. The registry supplies labels and routes only; it does not supply item titles.\n- **Hero**: the first quick action in this fixed priority order among the eligible ones: resume assigned work, create an item, invite a member. It is rendered larger than the other quick actions and uses the registry label (so \"Resume assigned work\", never an item title). It is not a new slot and adds no new data.\n- **Bulk-read API**: existing member-scoped mutation that marks notifications at or before a supplied snapshot time as read. It already accepts the snapshot; no new mutation is added.\n- **fetchedAt**: ISO-8601 UTC timestamp set by the server when it composes the dashboard response.\n- **Exposure events**: `dashboard_viewed{panelStates}` once per page mount after first render; `dashboard_panel_rendered{panel,state}` on each transition to a terminal state.\n- **Interaction events**: `quick_action_clicked{actionId}`, `dashboard_view_all_clicked{panel}`, `dashboard_panel_retry_clicked{panel}`, `mark_all_read_confirmed{count}`, `mark_all_read_cancelled`.\n- **Current landing page**: the page members reach today after login (flag off). Its p95 is measured server-side from the existing request metrics over the same window as the dashboard measurement.\n\n## Vision\n\n### 10x Check\nThe 10x version is not a prettier dashboard. It is a landing page that already\nknows the member's next task. The moment the page paints, the hero quick action\nsits at the top: \"Resume assigned work\" when that action is eligible, otherwise\n\"Create an item\". Notifications sit second with an unread count and one-click\n\"Mark all as read\". Activity is third, a calm answer to \"what changed while I was\naway\". The page is measured, not assumed: exposure and interaction events are\nemitted as defined above, so login-to-first-completed-task is read from production\nanalytics for the flag-on cohort against a concurrent flag-off control. Effort for\nthe hero-first hierarchy over a flat three-card grid: human ~0.5 day / CC ~10 min.\nThe redirect-when-resumable variant is a separate experiment (deferred, see below)\nbecause it changes the stated direction that the dashboard is the landing page.\n\n## Layout\nTwelve-column grid from the existing page shell.\n- **sm**: single column, order QuickActions, Notifications, Activity.\n- **md**: QuickActions spans 12; beneath it Notifications 6 and Activity 6.\n- **lg**: three columns: QuickActions 5, Notifications 4, Activity 3.\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| 1 | Per-panel result envelope in `GET /api/dashboard`: each key is `{status:'ok',data}` or `{status:'error',error:{code}}`, inside an HTTP 200; HTTP 503 only when all three fail. Repository calls run in parallel with a 2 s per-panel deadline passed to each call as an abort signal; on deadline the panel yields `{status:'error',error:{code:'timeout'}}` and the call is aborted. If a repository method cannot take a signal, the leaked work is bounded by the existing database statement timeout and that bound is noted in the handler | S | ACCEPTED | In blast radius; makes partial failure explicit (P5); the deadline is what lets the latency gate hold without caching |\n| 2 | Server `fetchedAt` used as the snapshot passed to the existing bulk-read API | S | ACCEPTED | The API already takes a snapshot; using the server time preserves \"later arrivals remain unread\" against client clock skew. No new mutation |\n| 3 | `quickActions` filtered server-side by the registry eligibility predicates | S | ACCEPTED | Without it the permission-error guardrail trips by construction |\n| 4 | p95 latency of `GET /api/dashboard` at or below the current landing page's server-side p95, both measured over 1000 requests in staging; rollout gate | S | ACCEPTED | Plan already says perf checks must be specified; this specifies them |\n| 5 | Production baseline (p50 and p90 login-to-first-completion from existing login and action-completion events) pulled before rollout; required members per arm computed from the baseline variance for detecting a 20% p50 change at 80% power before the cohort starts; flag `dashboard_landing` assigned randomly per member; success = p50 improves by at least 20% Line truncated
|
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"viewport": "\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n Edit file\n \u20261053224-0wnKD0/skill-home-Apv3Kh/.gstack/projects/gstack-autoplan-chain-2fm0gB/ceo-plans/2026-09-10-user-dashboard.md\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n 10 \n 11 ## Glossary (from the base plan)\n 12 - **Action registry**: existing server-side list of three actions (create an item, resume assigned work, invite a m\n ember), each with a stable ID, label, route target, and an **eligibility predicate** evaluated on the server agains\n t the request context. The registry supplies labels and routes only; it does not supply item titles.\n 13 -- **Hero**: the first quick action in this fixed priority order among the eligible ones: resume assigned work, crea\n -te an item, invite a member. It is rendered larger than the other quick actions and uses the registry label (so \"Re\n -sume assigned work\", never an item title). It is not a new slot and adds no new data. \n 14 -- **Bulk-read API**: existing member-scoped mutation that marks notifications at or before a supplied snapshot time\n - as read. It already accepts the snapshot; no new mutation is added. \n 13 +- **Hero**: the first quick action in this fixed priority order among the eligible ones: resume assigned work, crea\n +te an item, invite a member. It is rendered larger than the other quick actions and uses the registry label (so \"Re\n +sume assigned work\", never an item title), with one client-side copy substitution: in the new-member case (below) t\n +he create action's label is shown as \"Create your first item\". It is not a new slot and adds no new data. \n 14 +- **New-member case**: resume is not eligible (so create is the hero) and both Notifications and Activity are empty\n +. \n 15 +- **Bulk-read API**: existing member-scoped mutation that marks notifications at or before a supplied snapshot time\n + as read. It already accepts the snapshot; no new mutation is added. The base plan does not state a return value, s\n +o the \"Marked N as read\" count is the client's unread count from the last dashboard response, not a server-reported\n + number. \n 16 +- **Refetch**: a refetch (after mark-all-read or on `visibilitychange`) keeps the current data on screen, does not \n +re-enter the loading state, and re-emits `dashboard_panel_rendered` only if the panel's state value changes (for ex\n +ample success to empty). \n 17 - **fetchedAt**: ISO-8601 UTC timestamp set by the server when it composes the dashboard response.\n 18 - **Exposure events**: `dashboard_viewed{panelStates}` once per page mount after first render; `dashboard_panel_ren\n dered{panel,state}` on each transition to a terminal state.\n 19 - **Interaction events**: `quick_action_clicked{actionId}`, `dashboard_view_all_clicked{panel}`, `dashboard_panel_r\n etry_clicked{panel}`, `mark_all_read_confirmed{count}`, `mark_all_read_cancelled`.\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u2Line truncated
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||||
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"viewport": " +r this plan. \n 80 +- Latency remedies, in order: if endpoint p95 > 300 ms for two consecutive stages, first add the per-me\n +mber predicate cache (a performance fix, exempt from the feature gate below); if still over, switch to \n +alternative B' (three parallel calls). The 600 ms guardrail is separate and triggers rollback, not reme\n +diation. \n 81 +- Gate: no new dashboard features (including the separately planned dark mode and personalization) unti\n +l the cohort metric has been read against control at the 25% stage. Performance remediation is exempt f\n +rom this gate. \n 82 +- Refresh semantics: SUCCESS and EMPTY panels enter REFRESHING (content stays visible); an ERROR panel \n +returns to LOADING on Refresh or Retry. \n 83 + \n 84 +## Spec review record \n 85 +Three adversarial review rounds (scores 7/10 \u2192 8/10 \u2192 8/10; 21 issues raised, 21 fixed in-document). Th\n +e loop hit its 3-iteration cap with the round-3 issues fixed inline above; no unresolved reviewer conce\n +rns remain. \n\n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-9599im/ceo-plans/2026-09-10-user-dashboard.md)\n\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n Edit file\n \u2026-592891-MJaePo/skill-home-31EPP8/.gstack/projects/gstack-autoplan-chain-9599im/ceo-plans/2026-09-10-user-dashboard.md\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n 55 - Client analytics events: dashboard_viewed, dashboard_panel_state (ERROR/EMPTY only), dashboard_quick_action_click\n ed, dashboard_mark_all_read, dashboard_view_all_clicked, dashboard_refresh_clicked\n 56 \n 57 ## Deferred to TODOS.md\n 58 -All deferrals wait until the cohort metric has been read against control (see Gate below), then: \n 58 +Feature deferrals wait until the cohort metric has been read against control (see Gate below); the predicate cache \n +is a performance remedy and is exempt: \n 59 - Unread badge in global nav (P2)\n 60 - Smart-redirect experiment cohort for single-action members (P2)\n 61 - Real-time notification/activity updates via SSE (P3, infra decision)\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n Do you want to make this edit to 2Line truncated
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"before": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-9599im (fixture; no remote)\n\n## Baseline scope (unchanged from the source plan)\n- `/dashboard` page rendered after login, with three panels: QuickActions, NotificationsPanel, ActivityFeed\n- One aggregate endpoint `GET /api/dashboard` returning a top-level `fetchedAt` (server time of the response) plus one result per panel (`{ ok: true, data } | { ok: false, error }`), so one panel failing never blanks the page\n- \"Mark all as read\" behind a confirm dialog built on the existing dialog primitive\n- A toast primitive (new, built as a shared app-level component, success feedback only)\n- Canonical panel states, used everywhere in this record: LOADING (skeleton), EMPTY, ERROR, SUCCESS, REFRESHING (a SUCCESS or EMPTY panel re-fetching while its previous content stays visible). A shared `PanelFrame` component owns the chrome for all five; each panel supplies only its SUCCESS rendering.\n- Tailwind tokens; mobile-first sm/md/lg\n- Out of scope, from the source plan: dark mode, personalization (separate plans)\n\n## Vision\n\n### North star (12-month direction, NOT this release)\nThe dashboard that already knows what you were doing. The hero is the one eligible\n\"resume\" action, huge and one Tab away. Notifications are ranked by urgency and can be\ncleared per item. Activity streams in live. Nothing the member needs after login is\nmore than one click away, and nothing they don't need takes up space.\n\n### 10x within this release's constraints\nThe source plan forbids new mutation APIs and new infrastructure, so per-item read and\nlive streaming are deferred (E9 below, and the per-item read API in the deferred list).\nThe 10x lever available now is hierarchy: QuickActions first, Notifications second,\nActivity third, at every breakpoint. The per-panel result envelope and the shared\n`PanelFrame` are the widget contract that lets every later panel plug in without\nre-deciding its states.\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| E1 | \"Updated Xm ago\" + Refresh in page header | S | ACCEPTED | Uses the top-level `fetchedAt` of the aggregate response; Refresh puts panels into REFRESHING; makes staleness visible |\n| E2 | Notification rows deep-link to their target | S | ACCEPTED | Route targets exist per contracts; link only. The row stays unread after the member returns, until \"Mark all as read\" (intentional: no per-item read API in this release) |\n| E3 | `<time datetime>` relative + absolute-on-hover timestamps | S | ACCEPTED | Accessibility policy; trivial |\n| E4 | \"View all\" links per panel into existing full pages | S | ACCEPTED | Existing pages own older-page navigation |\n| E5 | Optimistic mark-all-read with rollback | S | ACCEPTED | Idempotent snapshot-bounded API makes it safe; on failure the unread markers are restored and an error message renders inline inside the notifications panel (persistent, screen-reader visible); the toast is used for success only |\n| E6 | Keyboard shortcut to first quick action | S | DEFERRED | Single-key shortcuts need a11y design first |\n| E7 | Unread badge in global nav | M | DEFERRED | Outside blast radius (global nav) |\n| E8 | Smart post-login redirect experiment cohort | M | DEFERRED | Run after the cohort metric is read |\n| E9 | Real-time updates (SSE) | L | DEFERRED | New infrastructure |\n| E10 | Six named client analytics events | S | ACCEPTED | The source plan's contracts require \"exposure and interaction instrumentation\" in general; this decision names the concrete events (listed below) |\n\n## Accepted Scope (added to this plan)\n- Page header with \"Updated Xm ago\" (from the aggregate response's top-level `fetchedAt`) and a Refresh control that moves panels to REFRESHING without clearing content\n- Notification rows link to their target route when one is present; the row remains unread until \"Mark all as read\"\n- `<time datetime>` timestamps, relative text with absolute on hover\n- \"View all activity\" and \"View all notifications\" links into the existing pages\n- Optimistic mark-all-read with full rollback; failure message inline in the panel, success via toast\n- Client analytics events: dashboard_viewed, dashboard_panel_state (ERROR/EMPTY only), dashboard_quick_action_clicked, dashboard_mark_all_read, dashboard_view_all_clicked, dashboard_refresh_clicked\n\n## Deferred to TODOS.md\nAll deferrals wait until the cohort metric has been read against control (see Gate below), then:\n- Unread badge in global nav (P2)\n- Smart-redirect experiment cohort for single-action members (P2)\n- Real-time notification/activity updates via SSE (P3, infra decision)\n- Keyboard shortcut to first quick action (P3, after a11y review)\n- QuickActions predicate cache, 30s per memLine truncated
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"viewport": " +o CC figure given). Deferred: needs a ranking service and push infrastructure that do not exist. This p\n +lan lays the substrate it would build on: the per-panel result envelope, the per-panel state machine (l\n +oading \u2192 ok / empty / error \u2192 retry), and the instrumentation; all three are in Accepted Scope below. \n 24 \n 25 ## Scope Decisions\n 26 \n\n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RnwL2i/ceo-plans/2026-09-10-user-dashboard.md)\n\n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RnwL2i/ceo-plans/2026-09-10-user-dashboard.md)\n\n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RnwL2i/ceo-plans/2026-09-10-user-dashboard.md)\n\n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RnwL2i/ceo-plans/2026-09-10-user-dashboard.md)\n\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n Edit file\n \u20262101964-HvDZyN/skill-home-zgCNxG/.gstack/projects/gstack-autoplan-chain-RnwL2i/ceo-plans/2026-09-10-user-dashboard.md\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n 26 \n 27 | # | Proposal | Effort | Decision | Reasoning | Revisit when |\n 28 |---|----------|--------|----------|-----------|--------------|\n 29 -| 1 | Pull real login-to-first-task baseline (median/p90) and find-vs-do split from existing analytics before locki\n -ng 45s | S | ACCEPTED | Data already exists; the 75s walkthrough number is a stand-in | \u2014 | \n 29 +| 1 | Pull real login-to-first-task baseline (median/p90) and find-vs-do split from existing analytics before locki\n +ng 45s | S | ACCEPTED | Data already exists; the 75s walkthrough number is a stand-in | Dashboard owner re-locks th\n +e target in this document after the pull | \n 30 | 2 | Numeric rollback triggers defined before rollout | S | ACCEPTED | Rollout criteria were \"to be specified\"; de\n pends on #1 | \u2014 |\n 31 | 3 | Relative timestamps with absolute on hover/focus in ActivityFeed | S | ACCEPTED | 1 file, under an hour, in b\n last radius | \u2014 |\n 32 | 4 | Unread count badge and document.title mirror | S | ACCEPTED | 1 file, under an hour | \u2014 |\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n Do you want to make this edit to 2026-09-10-user-dashboard.md?\n \u276f 1. Yes\n 2. Yes, and switch to accept edits (auto-approve file edits and common file commands) for this session (shift+tab)\n 3. No\n\n Esc to cancel \u00b7 Tab to amend\n",
|
||||
"before": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION (hold the plan's scope as baseline; cherry-pick expansions individually)\nRepo: gstack-autoplan-chain-RnwL2i (no remote)\nSource plan: `.claude/plans/ui-heavy-feature.md` (reviewed copy with full review record: `.claude/plans/starry-riding-otter.md`)\n\n**Primary metric:** median login-to-first-completed-task \u2264 45s (provisional until the baseline in #1 is pulled). Guardrails: completed-task rate and permission-error rate must not regress.\n\n**Glossary.** *Blast radius*: the files this plan creates or modifies plus their direct importers. *Find vs. do*: time from login to starting an action, versus time from starting to completing it. *CC*: Claude Code implementation time, as opposed to human-team time. *Effort scale* (human team): S under 1 day, M 1 to 5 days, L 1 to 3 weeks, XL over 3 weeks. *Previous landing page*: the post-login destination in use before this plan (the existing default route members see today; name it in the flag config when implementing).\n\n**Acceptance principle.** In SELECTIVE EXPANSION, an expansion inside the blast radius that costs under an hour is accepted on cost alone, whether or not it moves the metric (#3, #4, #6). Items outside the blast radius, or that need an audit or new infrastructure, are deferred even when cheap (#7, #8).\n\n**Assumptions.** The feature-flag framework, request/error metrics, and analytics events named in the source plan exist (this repository contains no source, so they are unverified). Item #1 (baseline pull) precedes item #2 (numeric rollback triggers), because the triggers are expressed against the baseline. **Fallback if the analytics events do not exist:** instrument login, action start, and action completion first, collect at least 7 days of data before any cohort rollout, and keep the 75s walkthrough figure as the stand-in with the target widened to \"at least 30% faster than measured baseline\" until the pull succeeds.\n\n**Carried from the source plan (not additions):** the per-panel state machine (loading \u2192 ok / empty / error \u2192 retry) and the instrumentation set (metrics, alerts, structured logs) are already required by the source plan's accepted CEO obligations; this document ratifies them without a proposal row.\n\n## Vision\n\n### 10x Check\nA post-login home that tells the member what to do next instead of showing three things to scan. A ranked \"next up\" card sits above the panels, computed server-side from eligible actions and unread alerts, and updates live over a push channel. The member arrives, sees one thing, and does it. Effort: XL, infrastructure-bound rather than implementation-bound (ranking service and push channel must exist first; no CC figure given). Deferred: needs a ranking service and push infrastructure that do not exist. This plan lays the substrate it would build on: the per-panel result envelope, the per-panel state machine (loading \u2192 ok / empty / error \u2192 retry), and the instrumentation; all three are in Accepted Scope below.\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning | Revisit when |\n|---|----------|--------|----------|-----------|--------------|\n| 1 | Pull real login-to-first-task baseline (median/p90) and find-vs-do split from existing analytics before locking 45s | S | ACCEPTED | Data already exists; the 75s walkthrough number is a stand-in | \u2014 |\n| 2 | Numeric rollback triggers defined before rollout | S | ACCEPTED | Rollout criteria were \"to be specified\"; depends on #1 | \u2014 |\n| 3 | Relative timestamps with absolute on hover/focus in ActivityFeed | S | ACCEPTED | 1 file, under an hour, in blast radius | \u2014 |\n| 4 | Unread count badge and document.title mirror | S | ACCEPTED | 1 file, under an hour | \u2014 |\n| 5 | \"Back to previous landing page\" link during rollout | S | ACCEPTED | Per-member escape hatch and bounce-back signal | Remove at 100% rollout |\n| 6 | Empty-state copy pointing at the primary action | S | ACCEPTED | Copy only | \u2014 |\n| 7 | Keyboard shortcuts for quick actions | S | DEFERRED | Shortcut conflict audit needed; not on the metric path | Dashboard owner runs the conflict audit after 100% rollout |\n| 8 | Prefetch /api/dashboard during login redirect | S | DEFERRED | Touches login flow, outside blast radius | If client TTFB p95 > 800ms at 100% |\n| 9 | Post-login redirect-to-resume experiment arm | M | DEFERRED, provisional (taste T1) | Skips alerts the plan says members need; touches login flow; attribution needs its own arm | Final Approval Gate may flip to \"run concurrently\" |\n| 10 | Ranked \"next up\" card with live updates | XL | DEFERRED | New ranking + push infrastructure | After dashboard metric data at 100% |\n| 11 | ETag / short TTL cache on the endpoint | S | DEFERRED | Wait for p95 at 100% rollout | Dashboard owner checks endpLine truncated
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Every reuse claim is unverifiable here and is treated as a stated premise, not a checked fact.\n- Prerequisite /office-hours offer: auto-decided **skip** (P6, one-gate rule). Cross-project learnings config prompt: left unset (user preference, not a plan decision; LEARNINGS: 0 so no effect this run).\n- CLAUDE.md routing rules: user accepted (D1). Deferred until plan mode exits: write CLAUDE.md routing section and commit.\n- CEO methodology read log: `methodology.md` (2260 lines, sha256 cbb64d50\u20269a28) read at offsets 1/601/1201/1801, all four ranges successful through EOF.\n\n### Phase 1: CEO Review (SELECTIVE EXPANSION)\n\n**Mode selection (0F):** SELECTIVE EXPANSION per /autoplan override. Context default agrees: this is a feature on an existing system (consolidates three existing pages), not greenfield.\n\n**Landscape check:** Aside not installed, WebSearch not used in plan mode for this fixture. Proceeding with in-distribution knowledge. Layer 1 (tried and true): post-login \"home\" dashboards with a primary action rail, an alerts panel, and a recent-activity feed are the standard shape (Linear, GitHub, Notion, Asana home). Layer 2: the current trend is \"next up\" surfaces that rank one action above the fold rather than three equal panels. Layer 3 (first principles): the plan's metric is login-to-first-completed-task. Only QuickActions directly drives that metric; notifications and activity are context. Hierarchy should follow the metric.\n\n#### 0A. Premise Challenge\n\n| # | Premise | Stated or assumed | Assessment | Decision |\n|---|---------|-------------------|------------|----------|\n| P1 | Members spend a median 75s finding the next item after login | Stated, sourced from a team walkthrough, not the analytics the plan says already record login/action start/completion | Reasonable but weakly sourced. Real member data exists and is cheaper than a walkthrough. | Accept the problem; **add requirement**: pull real median/p90 login-to-first-task from existing analytics before locking the 45s target (auto-approved, in blast radius, <1h). |\n| P2 | A three-panel dashboard is the right shape to hit 45s | Assumed | Consolidation of three pages does move navigation time. But only one panel (QuickActions) drives task completion. A redirect-to-resume experiment could bank part of the win cheaper, though it skips alerts, which the plan says members need. | Accept dashboard shape. **Amend**: QuickActions is the visual primary. Redirect-to-resume experiment \u2192 **TASTE DECISION T1** (surfaced at gate) and deferred to TODOS.md. |\n| P3 | One aggregate `GET /api/dashboard` is better than the client calling existing endpoints | Assumed | No justification in plan. Quick actions have no existing list endpoint (registry + server predicates), so a new endpoint exists either way. | Resolved in 0C-bis: aggregate with per-panel result envelope (Approach C). B vs C close \u2192 **TASTE DECISION T2**. |\n| P4 | \"Mark all as read\" needs a confirmation modal | Stated | The bulk-read API is idempotent and snapshot-bounded, but there is no restore/undo API and the plan forbids new mutation APIs. Without undo, a confirm is the honest safety net. | Keep modal. Direct-action+undo would need a new mutation API (plan constraint). **TASTE DECISION T3** (recommend keep). |\n| P5 | A toast system is needed for action feedback | Stated | Accessibility policy requires a live region for nonblocking feedback; nothing exists. Building it as a one-page component would be regretted; building it as a shared primitive is the same code in a different folder. | Build toast as a shared UI primitive (P1, P4). Inline-text alternative \u2192 **TASTE DECISION T4** (recommend shared toast). |\n| P6 | No schema changes needed | Stated | Consistent with read composition + existing bulk-read API. | Accept. |\n| P7 | Existing fixtures/flags/metrics exist and are reusable | Stated | Cannot verify in this repo (see system audit). | Accept as premise; **flag at gate** as an unverified dependency, not a challenge. |\n\nNo premise is clearly wrong. No User Challenge queued from 0A.\n\n#### 0B. Existing Code Leverage Map\n\n| SubLine truncated
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"content": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-RnwL2i (no remote)\n\n## Vision\n\n### 10x Check\nA post-login home that tells the member what to do next instead of showing three things to scan. A ranked \"next up\" card sits above the panels, computed server-side from eligible actions and unread alerts, and updates live over a push channel. The member arrives, sees one thing, and does it. Effort: human ~3 weeks / CC ~1 day. Deferred: needs a ranking service and push infrastructure that do not exist. This plan lays the substrate (envelope, panel state machine, instrumentation) it would build on.\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| 1 | Pull real login-to-first-task baseline (median/p90) and find-vs-do split from existing analytics before locking 45s | S | ACCEPTED | Data already exists; walkthrough number is a stand-in |\n| 2 | Numeric rollback triggers defined before rollout | S | ACCEPTED | Rollout criteria were \"to be specified\" |\n| 3 | Relative timestamps with absolute on hover/focus in ActivityFeed | S | ACCEPTED | 1 file, under an hour, in blast radius |\n| 4 | Unread count badge and document.title mirror | S | ACCEPTED | 1 file, under an hour |\n| 5 | \"Back to previous landing page\" link during rollout | S | ACCEPTED | Per-member escape hatch and bounce-back signal |\n| 6 | Empty-state copy pointing at the primary action | S | ACCEPTED | Copy only |\n| 7 | Keyboard shortcuts for quick actions | S | DEFERRED | Shortcut conflict audit needed; not on the metric path |\n| 8 | Prefetch /api/dashboard during login redirect | S | DEFERRED | Touches login flow, outside blast radius |\n| 9 | Post-login redirect-to-resume experiment arm | M | DEFERRED (taste T1 at gate) | Skips alerts; separate flag arm; attribution matters |\n| 10 | Ranked \"next up\" card with live updates | XL | DEFERRED | New ranking + push infrastructure |\n| 11 | ETag / short TTL cache on the endpoint | S | DEFERRED | Wait for p95 at 100% rollout |\n| 12 | Token-only styling lint rule | S | DEFERRED | Review-checklist constraint now |\n\n## Accepted Scope (added to this plan)\n- Analytics baseline pull and find/do split before target lock\n- Numeric rollback triggers\n- Relative timestamps in ActivityFeed\n- Unread badge + title mirror\n- Back-to-previous-landing link during rollout\n- Action-pointing empty-state copy\n- Approach C: aggregate endpoint with per-panel `PanelResult` envelope and `serverTime`\n- Shared `PanelFrame` and shared `Toast` primitive\n- QuickActions as visual primary; fixed column order at sm/md/lg\n\n## Deferred to TODOS.md\n- Keyboard shortcuts for quick actions (audit conflicts first)\n- Prefetch dashboard payload during login redirect\n- Redirect-to-resume experiment arm under the same flag framework (taste decision T1)\n- Ranked \"next up\" card + real-time push\n- Endpoint caching once p95 data exists\n- Token-only styling lint enforcement\n\n## Taste decisions surfaced at the /autoplan gate\n- T1: keep dashboard as the sole arm vs. run a redirect-to-resume experiment arm concurrently\n- T2: aggregate endpoint with envelope (C) vs. client composition of existing endpoints (B)\n- T3: keep confirmation modal vs. direct action with undo (would need a new mutation API)\n- T4: shared toast primitive vs. inline status text\n"
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"content": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION (hold the plan's scope as baseline; cherry-pick expansions individually)\nRepo: gstack-autoplan-chain-RnwL2i (no remote)\nSource plan: `.claude/plans/ui-heavy-feature.md` (reviewed copy with full review record: `.claude/plans/starry-riding-otter.md`)\n\n**Primary metric:** median login-to-first-completed-task \u2264 45s (provisional until the baseline in #1 is pulled). Guardrails: completed-task rate and permission-error rate must not regress.\n\n**Glossary.** *Blast radius*: the files this plan creates or modifies plus their direct importers. *Find vs. do*: time from login to starting an action, versus time from starting to completing it. *CC*: Claude Code implementation time, as opposed to human-team time.\n\n**Assumptions.** The feature-flag framework, request/error metrics, and analytics events named in the source plan exist (this repository contains no source, so they are unverified). Item #1 (baseline pull) precedes item #2 (numeric rollback triggers), because the triggers are expressed against the baseline.\n\n## Vision\n\n### 10x Check\nA post-login home that tells the member what to do next instead of showing three things to scan. A ranked \"next up\" card sits above the panels, computed server-side from eligible actions and unread alerts, and updates live over a push channel. The member arrives, sees one thing, and does it. Effort: human ~3 weeks / CC ~1 day. Deferred: needs a ranking service and push infrastructure that do not exist. This plan lays the substrate it would build on: the per-panel result envelope, the per-panel state machine (loading \u2192 ok / empty / error \u2192 retry), and the instrumentation; all three are in Accepted Scope below.\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning | Revisit when |\n|---|----------|--------|----------|-----------|--------------|\n| 1 | Pull real login-to-first-task baseline (median/p90) and find-vs-do split from existing analytics before locking 45s | S | ACCEPTED | Data already exists; the 75s walkthrough number is a stand-in | \u2014 |\n| 2 | Numeric rollback triggers defined before rollout | S | ACCEPTED | Rollout criteria were \"to be specified\"; depends on #1 | \u2014 |\n| 3 | Relative timestamps with absolute on hover/focus in ActivityFeed | S | ACCEPTED | 1 file, under an hour, in blast radius | \u2014 |\n| 4 | Unread count badge and document.title mirror | S | ACCEPTED | 1 file, under an hour | \u2014 |\n| 5 | \"Back to previous landing page\" link during rollout | S | ACCEPTED | Per-member escape hatch and bounce-back signal | Remove at 100% rollout |\n| 6 | Empty-state copy pointing at the primary action | S | ACCEPTED | Copy only | \u2014 |\n| 7 | Keyboard shortcuts for quick actions | S | DEFERRED | Shortcut conflict audit needed; not on the metric path | Dashboard owner runs the conflict audit after 100% rollout |\n| 8 | Prefetch /api/dashboard during login redirect | S | DEFERRED | Touches login flow, outside blast radius | If client TTFB p95 > 800ms at 100% |\n| 9 | Post-login redirect-to-resume experiment arm | M | DEFERRED, provisional (taste T1) | Skips alerts the plan says members need; touches login flow; attribution needs its own arm | Final Approval Gate may flip to \"run concurrently\" |\n| 10 | Ranked \"next up\" card with live updates | XL | DEFERRED | New ranking + push infrastructure | After dashboard metric data at 100% |\n| 11 | ETag / short TTL cache on the endpoint | S | DEFERRED | Wait for p95 at 100% rollout | Dashboard owner checks endpoint p95 one week after 100% |\n| 12 | Token-only styling: PR review checklist item now, lint rule later | S | ACCEPTED (checklist) / DEFERRED (lint) | Keeps dark mode viable; lint needs design-system owner | Design-system owner adds lint rule |\n| 13 | Approach C: aggregate `GET /api/dashboard` with per-panel `PanelResult` envelope and `serverTime` | M | ACCEPTED, provisional (taste T2) | Only approach that gives per-panel error states in one round trip and a server clock for the read snapshot | Gate may choose B (client composes existing endpoints) |\n| 14 | Shared `PanelFrame` (state chrome) and shared `Toast` primitive | S | ACCEPTED, provisional (taste T4) | Three panels share one state switch; a11y policy requires a live region and no toast exists; shared placement is the same code in a reusable folder | Gate may choose inline status text over toast |\n| 15 | QuickActions as visual primary; fixed column order at sm/md/lg | S | ACCEPTED | Only panel that drives the metric; three equal cards is the generic pattern | \u2014 |\n| 16 | Keep confirmation modal for \"Mark all as read\" | S | ACCEPTED, provisional (taste T3) | No undo/restore API exists and the plan forbids new mutation APIs; confirm is the honest safety net | Gate may choose direct action + undo (needs a new mutatLine truncated
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||||
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|
||||
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||||
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|
||||
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||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
},
|
||||
"sessionId": "e291cda3-52ee-498b-9ef9-d203694d23ef"
|
||||
},
|
||||
"publicTools": [
|
||||
{
|
||||
"sessionId": "e291cda3-52ee-498b-9ef9-d203694d23ef",
|
||||
"timestamp": "2026-09-10T19:46:51.648Z",
|
||||
"toolUseId": "toolu_01XK6iDRvEoYgew9ZsqSxRhd",
|
||||
"kind": "use",
|
||||
"name": "Edit",
|
||||
"input": {
|
||||
"replace_all": false,
|
||||
"file_path": "/tmp/gstack-paid-shard-KPXlt1/tmp/gstack-hermetic-520393-t0LmZZ/skill-home-xglsi4/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md",
|
||||
"old_string": "Definition: for each login, the elapsed time to the first `action completion` event by that member within the same session, windowed to 24 hours after login (logins with no completion in the window count as non-completions in the completed-task-rate guardrail, not as infinite durations in the median).",
|
||||
"new_string": "Definition: for each login, the elapsed time to the first `action completion` event by that member within 24 hours after login, regardless of session boundaries (logins with no completion in the window count as non-completions in the completed-task-rate guardrail, not as infinite durations in the median)."
|
||||
},
|
||||
"messageId": "msg_011CevLPEAgvJCT26jXyiWXZ",
|
||||
"requestId": "req_011CevLPDBQp3UnWKbrA6Uz3"
|
||||
},
|
||||
{
|
||||
"sessionId": "e291cda3-52ee-498b-9ef9-d203694d23ef",
|
||||
"timestamp": "2026-09-10T19:46:56.842Z",
|
||||
"toolUseId": "toolu_01CATB2T5xanKtDmNTJz273q",
|
||||
"kind": "use",
|
||||
"name": "Edit",
|
||||
"input": {
|
||||
"replace_all": false,
|
||||
"file_path": "/tmp/gstack-paid-shard-KPXlt1/tmp/gstack-hermetic-520393-t0LmZZ/skill-home-xglsi4/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md",
|
||||
"old_string": "**Queue of 3** means at most three toasts are visible; a fourth waits and appears when one dismisses (oldest visible dismisses first when its timer ends; nothing is dropped). **Persistent errors** means error toasts have no auto-dismiss timer and stay until the member dismisses them.",
|
||||
"new_string": "**Queue of 3** means at most three toasts are visible; a fourth waits and appears when one dismisses; nothing is dropped except under overflow: when all three visible toasts are persistent and a new toast arrives, the oldest persistent toast is dismissed to admit it. **Persistent errors** means error toasts have no auto-dismiss timer and stay until the member dismisses them. Identical toasts (same error code and same message text) coalesce.\n\nAccepted Scope as written assumes taste decision T1 resolves to the aggregate endpoint (the recommended option). If T1 resolves to per-panel fetches, the hook, retry, `generatedAt`, and envelope items below are rewritten before implementation."
|
||||
},
|
||||
"messageId": "msg_011CevLPEAgvJCT26jXyiWXZ",
|
||||
"requestId": "req_011CevLPDBQp3UnWKbrA6Uz3"
|
||||
},
|
||||
{
|
||||
"sessionId": "e291cda3-52ee-498b-9ef9-d203694d23ef",
|
||||
"timestamp": "2026-09-10T19:46:59.863Z",
|
||||
"toolUseId": "toolu_0199q2iK6Pa1xTqiZGNqq81u",
|
||||
"kind": "use",
|
||||
"name": "Edit",
|
||||
"input": {
|
||||
"replace_all": false,
|
||||
"file_path": "/tmp/gstack-paid-shard-KPXlt1/tmp/gstack-hermetic-520393-t0LmZZ/skill-home-xglsi4/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md",
|
||||
"old_string": "`dashboard_action_clicked{actionId}`, `dashboard_view_all_clicked{panel}`, `dashboard_return_visit`. Logs and events ship with the dark deploy.",
|
||||
"new_string": "`dashboard_action_clicked{actionId}`, `dashboard_row_clicked{panel}`, `dashboard_view_all_clicked{panel}`, `dashboard_return_visit`. Logs and events ship with the dark deploy."
|
||||
},
|
||||
"messageId": "msg_011CevLPEAgvJCT26jXyiWXZ",
|
||||
"requestId": "req_011CevLPDBQp3UnWKbrA6Uz3"
|
||||
},
|
||||
{
|
||||
"sessionId": "e291cda3-52ee-498b-9ef9-d203694d23ef",
|
||||
"timestamp": "2026-09-10T19:47:03.729Z",
|
||||
"toolUseId": "toolu_01CUMXbu7C4ZsyVgWHckUhbx",
|
||||
"kind": "use",
|
||||
"name": "Edit",
|
||||
"input": {
|
||||
"replace_all": false,
|
||||
"file_path": "/tmp/gstack-paid-shard-KPXlt1/tmp/gstack-hermetic-520393-t0LmZZ/skill-home-xglsi4/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md",
|
||||
"old_string": " - A3: the new route inherits the existing rate limits. Verify by reading the middleware chain. Fallback: register the route in the rate-limit configuration.",
|
||||
"new_string": " - A3: the new route inherits the existing rate limits. Verify by reading the middleware chain. Fallback: register the route in the rate-limit configuration.\n - A4: the bulk-read API returns the affected count. Verify by reading its response type. Fallback: success toast reads \"Marked your notifications as read.\" without a number.\n - A5: the notifications list response exposes a total unread count. Verify by reading the list method's return type. Fallback: badge shows the count of unread items among the 20 fetched and \"20+\" when all 20 are unread."
|
||||
},
|
||||
"messageId": "msg_011CevLPEAgvJCT26jXyiWXZ",
|
||||
"requestId": "req_011CevLPDBQp3UnWKbrA6Uz3"
|
||||
},
|
||||
{
|
||||
"sessionId": "e291cda3-52ee-498b-9ef9-d203694d23ef",
|
||||
"timestamp": "2026-09-10T19:47:08.294Z",
|
||||
"toolUseId": "toolu_01YJu2pihYoGmopTKqTQRJsN",
|
||||
"kind": "use",
|
||||
"name": "Edit",
|
||||
"input": {
|
||||
"replace_all": false,
|
||||
"file_path": "/tmp/gstack-paid-shard-KPXlt1/tmp/gstack-hermetic-520393-t0LmZZ/skill-home-xglsi4/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md",
|
||||
"old_string": "- Kill criterion (defaults to confirm at the gate): at the end of the 50% stage, if the cohort's median login-to-first-completed-task is not at least 20% better than control, or completed-task rate or permission-error rate is worse than control, the flag is turned off and only the component that moved the metric is kept.",
|
||||
"new_string": "- Kill criterion (defaults to confirm at the gate): at the end of the 50% stage, if the cohort's median login-to-first-completed-task is not at least 20% better than control, or completed-task rate or permission-error rate is more than 2 percentage points worse than control, the flag is turned off. Nothing remains live after flag-off; the credited panel, if any, is re-scoped into a follow-up plan. \"Guardrails flat\" at stage exits means within 2 percentage points of control. The 20% floor is deliberately below the 40% improvement the 75 s → 45 s target implies."
|
||||
},
|
||||
"messageId": "msg_011CevLPEAgvJCT26jXyiWXZ",
|
||||
"requestId": "req_011CevLPDBQp3UnWKbrA6Uz3"
|
||||
},
|
||||
{
|
||||
"sessionId": "e291cda3-52ee-498b-9ef9-d203694d23ef",
|
||||
"timestamp": "2026-09-10T19:47:20.169Z",
|
||||
"toolUseId": "toolu_01TvHnrQGfDfhLs2KBYfc6pB",
|
||||
"kind": "use",
|
||||
"name": "Edit",
|
||||
"input": {
|
||||
"replace_all": false,
|
||||
"file_path": "/tmp/gstack-paid-shard-KPXlt1/tmp/gstack-hermetic-520393-t0LmZZ/skill-home-xglsi4/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md",
|
||||
"old_string": "- Unauthenticated on `GET /api/dashboard` redirects to login with `/dashboard` as the return path.\n- Metric window: elapsed time from `login` to the member's first `action completion` within 24 h, regardless of session boundaries. Logins with no completion count against the completed-task-rate guardrail and are excluded from the median. `dashboard_return_visit` is a `/dashboard` view not preceded by a `login` event within 60 s on the same day. A new event `dashboard_row_clicked{panel}` records deep-link follows.\n- Kill-criterion attribution: the panel whose `dashboard_action_clicked` or `dashboard_row_clicked` event immediately precedes the first `action completion` is credited; on flag-off, panels with credited completions are candidates to keep. The 20% kill floor is deliberately below the 40% improvement the 75 s → 45 s target implies.",
|
||||
"new_string": "- Unauthenticated on `GET /api/dashboard` returns the existing typed unauthenticated error (HTTP 401 JSON, no redirect); the client hook navigates to login with `/dashboard` as the return path. The API route is gated by the same member-cohort flag as the page route and returns the typed forbidden error for off-cohort members.\n- Each panel retains the `generatedAt` of the response that populated it; after a per-panel retry, only the errored panel adopts the new response, and mark-all-read uses the notifications panel's retained value.\n- Metric window: elapsed time from `login` to the member's first `action completion` within 24 h, regardless of session boundaries. Logins with no completion count against the completed-task-rate guardrail and are excluded from the median. `dashboard_return_visit` is a `/dashboard` view by a member whose most recent `login` event is more than 60 s earlier. `dashboard_row_clicked{panel}` records deep-link follows.\n- Kill-criterion attribution: the panel whose `dashboard_action_clicked` or `dashboard_row_clicked` event immediately precedes the first `action completion` is credited; this informs the follow-up plan after a flag-off, nothing more.\n\n## Reviewer Concerns\n\nThree adversarial review rounds ran (the cap). Scores 5/10, 7/10, 7/10. Every issue from rounds 1 and 2 was fixed or held with a stated justification. Round 3's 13 issues were addressed after the loop closed and were not re-reviewed:\n- Held with justification from round 1: toast primitive at app root (live region must mount at the root); alerts configured before the internal stage (configuration only); three small shared units each with two or three day-one consumers.\n- Addressed without re-review from round 3: metric definition aligned; toast overflow rule reconciled; A4 and A5 added; `dashboard_row_clicked` added to the event list; T1 dependency stated; per-panel retained `generatedAt`; typed 401 instead of redirect; API route flag-gated; kill flag-off leaves nothing live; guardrail tolerance 2 points; return-visit rule reworded; toast identity defined."
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"before": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-bwDe8x (no remote)\nSource plan: `.claude/plans/ui-heavy-feature.md` (this document records scope decisions; the full reviewed plan with obligations lives in the active plan file)\n\n## Baseline plan (what the source plan asks for)\n\nA new page at `/dashboard` that members land on after login, behind the existing member-cohort feature flag. Three panels: `QuickActions` (the existing action registry's three actions: create an item, resume assigned work, invite a member, each with a stable ID, label, route target, and server-side eligibility predicate), `NotificationsPanel` (member-specific alerts with persistent read state, from the existing member-scoped list method, latest 20), `ActivityFeed` (immutable workspace audit history, from the existing workspace-scoped list method, latest 20). One new endpoint `GET /api/dashboard` composes those three existing repository calls. A \"Mark all as read\" confirmation modal calls the existing idempotent member-scoped bulk-read API, which marks only notifications at or before a supplied snapshot time. A toast system gives nonblocking feedback. The \"current landing\" page is whatever members see after login today; the flag's rollback target.\n\n## Constraints (from the source plan)\n\n- No schema migration. No new mutation API. The only write reuses the existing bulk-read API.\n- Member and workspace IDs come from the request context (cookie session plus workspace membership middleware); never from query parameters. Mutations require CSRF tokens.\n- Dark mode and personalization are separate plans; action ranking does not exist and is not built here.\n- Existing primitives to reuse: Tailwind tokens, responsive page shell, buttons, links, dialog primitive (focus trap, Escape, focus return), typed HTTP errors (unauthenticated, forbidden, validation, retryable-service, network), Vitest, React Testing Library, Playwright, fixtures (authenticated member, another workspace, empty lists, service failures), feature flags, request and error metrics.\n- Accessibility policy: named controls, live region for nonblocking feedback, sufficient contrast, reduced-motion support.\n- Blast radius for auto-approved expansions: the dashboard page, its panels, the new endpoint, and their direct importers. The login flow and global key handling are outside it.\n\n## Success metric\n\n- Metric: login-to-first-completed-task time. Events already recorded: `login`, `action start`, `action completion`, `permission error`. Definition: for each login, the elapsed time to the first `action completion` event by that member within 24 hours after login, regardless of session boundaries (logins with no completion in the window count as non-completions in the completed-task-rate guardrail, not as infinite durations in the median).\n- Baseline: 75 s median from a team task walkthrough. This is not member data. Before the 10% rollout stage, the real distribution is pulled from the existing events and the target is restated relative to it.\n- Target: 45 s median (from the source plan), restated as a relative improvement once the real baseline is measured.\n- Guardrails: completed-task rate and permission-error rate must not be worse in the cohort than in control.\n- Secondary: `dashboard_return_visit` rate (a page redirected-to but never returned-to is not a home).\n\n## Vision\n\n### 10x Check\nThe dashboard as a start-of-day surface that talks back. A member logs in and the page already knows their one assigned item and shows it as the single primary button. The moment a teammate mentions them, the alert appears without a refresh. Concrete shape: server-side next-action ranking, an SSE channel for live updates, keyboard-first quick actions. Effort for that vision: human ~3 weeks / CC ~5 h. Not this plan: ranking and personalization are the user's separate plans and SSE is new infrastructure. This plan builds the surface those features attach to.\n\n### Effort for the accepted scope of this plan\nBaseline plan plus all accepted items, hardening, instrumentation, rollout, and tests: human ~6 to 7 days / CC ~2 to 2.5 hours.\n\n## Scope Decisions\n\n| # | Proposal | Effort | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| 1 | Unread count in the document title | S | ACCEPTED | In blast radius (page component); a background tab tells the member something changed |\n| 2 | Snapshot-rule copy in the mark-all-read modal | XS | ACCEPTED | Makes the existing API's snapshot semantics visible; depends on assumption A2 below, with a fallback |\n| 3 | Relative timestamps with absolute time in `title` and `<time datetime>` | S | ACCEPTED | One small util used by two panels; screen-reader and hover clarity |\n| 4 | Skeletons sized to the final layout (no layout shift) | S | ACCEPTED | Part ofLine truncated
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"viewport": " e, flag-off landing), endpoint p95 check on staging.\n\n● Update(~/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md)\n\n● Update(~/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md)\n\n● Update(~/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md)\n\n● Bash(cd /tmp/gstack-paid-shard-KPXlt1/tmp/gstack-hermetic-520393-t0LmZZ/with-skills/.claude/plans\n echo \"--- accepted block copies ---\"; grep -c \"autoplan-accepted:ce…)\n ⎿ Waiting…\n\n────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────\n Edit file\n …-520393-t0LmZZ/skill-home-xglsi4/.gstack/projects/gstack-autoplan-chain-bwDe8x/ceo-plans/2026-09-10-user-dashboard.md\n╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌\n 83 - A1: the activity list method preloads actor display names (no N+1). Verify by reading the method and its query.\n Fallback: add the preload to the existing method (small change to existing code, flagged as its own task).\n 84 - A2: the bulk-read API accepts a caller-supplied snapshot time and validates or clamps it (rejecting future time\n s). Verify by reading the API handler. Fallback if it rejects caller-supplied times: send no snapshot and let the A\n PI use server-now at submit; keep the modal copy but phrase it as \"received before now\". Fallback if it accepts unv\n alidated future times: flag as an existing-API finding; the dashboard still sends `generatedAt`, which is always in\n the past.\n 85 - A3: the new route inherits the existing rate limits. Verify by reading the middleware chain. Fallback: register\n the route in the rate-limit configuration.\n 86 + - A4: the bulk-read API returns the affected count. Verify by reading its response type. Fallback: success toast \n +reads \"Marked your notifications as read.\" without a number. \n 87 + - A5: the notifications list response exposes a total unread count. Verify by reading the list method's return ty\n +pe. Fallback: badge shows the count of unread items among the 20 fetched and \"20+\" when all 20 are unread. \n 88 \n 89 ## Clarifications from spec review round 2\n 90 \n╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌\n Do you want to make this edit to 2026-09-10-user-dashboard.md?\n ❯ 1. Yes\n 2. Yes, and switch to accept edits (auto-approve file edits and common file commands) for this session (shift+tab)\n 3. No\n\n Esc to cancel · Tab to amend\n"
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"viewport": " \n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md)\n \n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md)\n \n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md)\n \n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md)\n \n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md)\n \n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md)\n \n\u25cf Update(~/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md)\n \n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n Edit file\n \u20261325468-PiGFgQ/skill-home-ifHsqQ/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n 20 | Dependency | Used by | Reuse effort (human / CC) | Build-first effort if absent (human / CC) | Status |\n 21 |---|---|---|---|---|\n 22 | Cookie sessions + workspace membership middleware supplying member and workspace IDs | A-1 | included | ~2 days /\n ~30 min | UNVERIFIED |\n 23 -| Activity and notification list methods (latest 20 + cursor, indexed) | A-1 | included | ~1 day / ~20 min | UNVERI\n -FIED | \n 23 +| Activity and notification list methods (latest 20 + cursor, indexed); notification record carries a `read` boolea\n +n | A-1, A-5 | included | ~1 day / ~20 min | UNVERIFIED | \n 24 | Action registry with three actions and server-side eligibility predicates | A-4 | ~2h / ~5 min | ~1 day / ~20 min\n | UNVERIFIED |\n 25 | Member-scoped idempotent bulk-read API accepting a snapshot time | A-5 | included | ~1 day / ~20 min (a new mutat\n ion API, which the plan currently forbids; needs a decision, see A-11) | UNVERIFIED |\n 26 | Typed HTTP client errors (five kinds above) | A-1, A-2 | included | ~4h / ~10 min | UNVERIFIED |\n\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\u254c\n Do you want to make this edit to 2026-09-10-user-dashboard.md?\n \u276f 1. Yes\n 2. Yes, and switch to accept edits (auto-approve file edits and common file commands) for this session (shift+tab)\n 3. No\n\n Esc to cancel \u00b7 Tab to amend\n",
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"content": "---\nstatus: ACTIVE\n---\n# CEO Plan: User Dashboard Page\nGenerated by /plan-ceo-review (via /autoplan) on 2026-09-10\nBranch: main | Mode: SELECTIVE EXPANSION\nRepo: gstack-autoplan-chain-RWuak5 (no remote)\n\n## Glossary\n- **CC**: Claude Code (AI-assisted) implementation time. Effort is shown as `human / CC`.\n- **md breakpoint**: Tailwind default, 768px min-width. \"Below md\" means viewports narrower than 768px (this includes the 640px `sm` step and the base range under it). Test widths used throughout: 375px (below md), 768px (md), 1280px (lg).\n- **Tokens**: the app's existing Tailwind theme (spacing, color, typography scales in the Tailwind config). \"Token-only\" means no literal hex/rgb/px values in dashboard or feedback components.\n- **PanelResult**: the per-panel result envelope defined under A-1 below.\n- **Holdout**: a flag cohort that keeps today's post-login behavior so the dashboard cohort can be compared against it.\n- **Typed client error kinds**: the five existing HTTP client error kinds: `unauthenticated`, `forbidden`, `validation`, `retryable-service`, `network`.\n\n## Verified-dependencies checklist (blocks implementation start, see A-11)\nThe plan's \"existing contracts\" section describes these as already built. This repository contains only README.md and the plan, so none could be verified during review (Final Gate item PC-1). Each row must be confirmed by the implementer before work starts; an absent dependency flips its row to \"build minimal version first\" and its effort to the build-first column.\n\n| Dependency | Used by | Reuse effort (human / CC) | Build-first effort if absent (human / CC) | Status |\n|---|---|---|---|---|\n| Cookie sessions + workspace membership middleware supplying member and workspace IDs | A-1 | included | ~2 days / ~30 min | UNVERIFIED |\n| Activity and notification list methods (latest 20 + cursor, indexed) | A-1 | included | ~1 day / ~20 min | UNVERIFIED |\n| Action registry with three actions and server-side eligibility predicates | A-4 | ~2h / ~5 min | ~1 day / ~20 min | UNVERIFIED |\n| Member-scoped idempotent bulk-read API accepting a snapshot time | A-5 | included | ~1 day / ~20 min (a new mutation API, which the plan currently forbids; needs a decision, see A-11) | UNVERIFIED |\n| Typed HTTP client errors (five kinds above) | A-1, A-2 | included | ~4h / ~10 min | UNVERIFIED |\n| Analytics events: login, action start, action completion, permission error | A-6, A-7 | included | ~1 day / ~20 min; if build-first, use the A-7 baseline fallback | UNVERIFIED |\n| Feature flags with member-cohort assignment | A-7 | included | ~1 day / ~20 min | UNVERIFIED |\n| Tailwind tokens, page shell, button, link, dialog primitive (focus trap, Escape, focus return) | A-2, A-5, A-10 | included | ~1 day / ~20 min | UNVERIFIED |\n| Toast primitive | A-3 | reuse if present | ~1 day / ~15 min (the plan states none exists) | UNVERIFIED |\n| Vitest, RTL, Playwright in CI; fixtures for authenticated member, other workspace, empty lists, service failures | A-9 | included | ~1 day / ~20 min | UNVERIFIED |\n| Request metrics with per-route RPS (for the load figure in A-7 step 2) | A-7 | included | ~4h / ~10 min | UNVERIFIED |\n\n## Vision\n\n### 10x Check\nThe page that already knows your next task. A member lands and the dashboard has picked the item they were going to open: \"Resume: Invoice review (3 waiting)\". No scanning three pages, no choosing. Concrete shape: eligibility-filtered quick actions today (v1), per-action eligible counts and \"new since your last visit\" markers next (deferred: they need new count queries and last-seen persistence, which the v1 plan forbids). v1 lays the rails: one endpoint returning per-panel results, one panel shell, one shared toast primitive, and a rollout with a holdout so the team can prove the page moves login-to-first-completed-task from the measured baseline toward 45s.\n\n### Platonic Ideal\nNot produced in SELECTIVE EXPANSION mode.\n\n## Metrics\n- **Primary metric**: login-to-first-completed-task time, p50 and p90. Definition: elapsed time from the existing `login` analytics event to the first existing `action completion` event for that member in the same session.\n- **Baseline**: TBD. If the analytics dependency is present: pull the production p50 and p90 over the trailing 28 days before the first cohort is enabled and record both here. If the analytics dependency is build-first: no historical baseline exists; the first 7 days of the holdout cohort's p50/p90 become the baseline, and the relative target (dashboard beats holdout) becomes primary while the absolute 45s target is secondary. The plan's 75s figure came from a single internal walkthrough and is never the baseline.\n- **Target**: dashboard-cohort p50 lower than holdout p50 over the same window (primary), and dashboard p50 \u2264 45s (secondary when the baseline is the holdout).\n- **Guardrails** (dashboard cohort vs holdout, same window): compLine truncated
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"question": "D1 — Keep the Promise.all IDP parallelization inside this refactor, or split it out?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Scope Challenge deferral gate.\nELI10: The plan promises \"reorganize without changing product behavior\", then also changes how token validation talks to the identity provider: five calls fired at once instead of one after another. That is a behavior change (different timing, five times the burst load on the IDP, different error ordering). Mixing it into a structure-only refactor means if something breaks in production you cannot tell which change caused it, and you cannot roll back one without the other.\nStakes if we pick wrong: bundled = a latency regression or IDP rate-limit outage gets blamed on the refactor and the whole thing gets reverted; split = one extra small PR.\nRecommendation: A because structural and behavioral changes should land separately (Beck), and the Performance review will show caching issuer metadata is the real fix, so the parallelization design may change anyway.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Defer parallelization to a follow-up PR (recommended) (human: ~0 now / CC: ~0 now)\n ✅ Refactor stays a pure structural change; a bisect points at exactly one cause if auth breaks\n ✅ Lets the Performance review pick the right fix (cache discovery/JWKS) instead of committing to Promise.all now\n ❌ Users keep the 5x sequential latency for one more release cycle\nB) Keep parallelization in this PR as a separate commit\n ✅ Latency win ships now, in the same review cycle (human: ~1 day incl. load test / CC: ~20 min)\n ✅ Separate commit still gives some bisectability within the branch\n ❌ Refactor branch now carries a runtime-behavior change and needs IDP load/rate-limit verification before merge\n ❌ If the calls are not actually independent (discovery → JWKS → verify usually chain), the \"trivial\" Promise.all is wrong and the refactor PR stalls on it\nNet: trading one release of latency for a refactor you can trust and revert in isolation.",
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"D1 — Keep the Promise.all IDP parallelization inside this refactor, or split it out?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Scope Challenge deferral gate.\nELI10: The plan promises \"reorganize without changing product behavior\", then also changes how token validation talks to the identity provider: five calls fired at once instead of one after another. That is a behavior change (different timing, five times the burst load on the IDP, different error ordering). Mixing it into a structure-only refactor means if something breaks in production you cannot tell which change caused it, and you cannot roll back one without the other.\nStakes if we pick wrong: bundled = a latency regression or IDP rate-limit outage gets blamed on the refactor and the whole thing gets reverted; split = one extra small PR.\nRecommendation: A because structural and behavioral changes should land separately (Beck), and the Performance review will show caching issuer metadata is the real fix, so the parallelization design may change anyway.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Defer parallelization to a follow-up PR (recommended) (human: ~0 now / CC: ~0 now)\n ✅ Refactor stays a pure structural change; a bisect points at exactly one cause if auth breaks\n ✅ Lets the Performance review pick the right fix (cache discovery/JWKS) instead of committing to Promise.all now\n ❌ Users keep the 5x sequential latency for one more release cycle\nB) Keep parallelization in this PR as a separate commit\n ✅ Latency win ships now, in the same review cycle (human: ~1 day incl. load test / CC: ~20 min)\n ✅ Separate commit still gives some bisectability within the branch\n ❌ Refactor branch now carries a runtime-behavior change and needs IDP load/rate-limit verification before merge\n ❌ If the calls are not actually independent (discovery → JWKS → verify usually chain), the \"trivial\" Promise.all is wrong and the refactor PR stalls on it\nNet: trading one release of latency for a refactor you can trust and revert in isolation.": "A) Defer parallelization (recommended)"
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"question": "D2 — Five new classes, or a three-unit arrangement with the same features?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), complexity gate (12 files / 5 new classes). Structure only; D1 (parallelization deferred) is held fixed; error-handling, cache-ownership and test remedies stay pending for later questions.\nELI10: The plan adds five new classes to reorganize one auth flow. Two of them do not earn a class: RequestPolicy has no state, no I/O and no new rules by the plan's own words (PLAN.md:12-13), so it is a function. TokenStore is never described (PLAN.md:44-45 is its only mention) and its name overlaps AuthCache, which already wraps the one real token store (the existing adapter). Every extra class is another file to read at 3am, another seam to mock, another place for the tenant-key rules to drift.\nStakes if we pick wrong: too many parts = slower onboarding and duplicated cache logic between TokenStore and AuthCache; too few = a real boundary gets buried and needs re-extraction later (cheap: extracting a function into a class is a 5-minute CC change).\nRecommendation: B because both dropped classes are either stateless (RequestPolicy) or undefined (TokenStore); the remaining three map one-to-one to real responsibilities: orchestrate (AuthBroker), mint (SessionMint), cache facade (AuthCache).\nCompleteness: A=10/10, B=10/10 — both keep every feature and contract; they differ only in how many boundaries carry them.\nPros / cons:\nA) Original: 5 classes — AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy (human: ~1 wk / CC: ~1.5 h)\n ✅ Matches the plan as written; nothing to re-plan, each concept has a named home\n ✅ RequestPolicy as a class leaves room for future stateful policy (versioned rule sets) without a later refactor\n ❌ TokenStore has no defined responsibility in the plan and duplicates AuthCache's role; two token holders means tenant-key rules can drift apart\n ❌ 12 files / 5 classes for a no-behavior-change reorg is the complexity smell the plan itself flags (PLAN.md:44-45)\nB) Smaller: 3 units — AuthBroker, SessionMint, AuthCache; RequestPolicy becomes a pure exported function `decideAccess(claims, ctx)` in its own module; TokenStore folded into AuthCache (human: ~3-4 days / CC: ~1 h)\n ✅ One token holder (AuthCache) so the existing tenant/issuer/audience/policy-version key rules live in exactly one place\n ✅ A pure function is the easiest thing to test exhaustively (input table → allow/deny), no mocks, no lifecycle\n ✅ Fewer files touched (~8-9), smaller diff to review and revert\n ❌ If TokenStore was meant to hold something the adapter cannot (e.g. refresh-token secrets with a different lifetime), folding it in is wrong and needs re-splitting\n ❌ A future stateful policy would need `decideAccess` promoted to a class (5-minute change, but a change)\nNet: trading a speculative future boundary for one owner of the cache rules and a diff half the size today.",
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"description": "AuthBroker, SessionMint, AuthCache as classes. RequestPolicy becomes a pure function decideAccess(claims, ctx) in its own module. TokenStore folded into AuthCache (one owner of the tenant-key rules). ~8-9 files."
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"D2 — Five new classes, or a three-unit arrangement with the same features?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), complexity gate (12 files / 5 new classes). Structure only; D1 (parallelization deferred) is held fixed; error-handling, cache-ownership and test remedies stay pending for later questions.\nELI10: The plan adds five new classes to reorganize one auth flow. Two of them do not earn a class: RequestPolicy has no state, no I/O and no new rules by the plan's own words (PLAN.md:12-13), so it is a function. TokenStore is never described (PLAN.md:44-45 is its only mention) and its name overlaps AuthCache, which already wraps the one real token store (the existing adapter). Every extra class is another file to read at 3am, another seam to mock, another place for the tenant-key rules to drift.\nStakes if we pick wrong: too many parts = slower onboarding and duplicated cache logic between TokenStore and AuthCache; too few = a real boundary gets buried and needs re-extraction later (cheap: extracting a function into a class is a 5-minute CC change).\nRecommendation: B because both dropped classes are either stateless (RequestPolicy) or undefined (TokenStore); the remaining three map one-to-one to real responsibilities: orchestrate (AuthBroker), mint (SessionMint), cache facade (AuthCache).\nCompleteness: A=10/10, B=10/10 — both keep every feature and contract; they differ only in how many boundaries carry them.\nPros / cons:\nA) Original: 5 classes — AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy (human: ~1 wk / CC: ~1.5 h)\n ✅ Matches the plan as written; nothing to re-plan, each concept has a named home\n ✅ RequestPolicy as a class leaves room for future stateful policy (versioned rule sets) without a later refactor\n ❌ TokenStore has no defined responsibility in the plan and duplicates AuthCache's role; two token holders means tenant-key rules can drift apart\n ❌ 12 files / 5 classes for a no-behavior-change reorg is the complexity smell the plan itself flags (PLAN.md:44-45)\nB) Smaller: 3 units — AuthBroker, SessionMint, AuthCache; RequestPolicy becomes a pure exported function `decideAccess(claims, ctx)` in its own module; TokenStore folded into AuthCache (human: ~3-4 days / CC: ~1 h)\n ✅ One token holder (AuthCache) so the existing tenant/issuer/audience/policy-version key rules live in exactly one place\n ✅ A pure function is the easiest thing to test exhaustively (input table → allow/deny), no mocks, no lifecycle\n ✅ Fewer files touched (~8-9), smaller diff to review and revert\n ❌ If TokenStore was meant to hold something the adapter cannot (e.g. refresh-token secrets with a different lifetime), folding it in is wrong and needs re-splitting\n ❌ A future stateful policy would need `decideAccess` promoted to a class (5-minute change, but a change)\nNet: trading a speculative future boundary for one owner of the cache rules and a diff half the size today.": "A) Keep 5 classes"
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"question": "D3 — How should AuthBroker and SessionMint get hold of the shared AuthCache?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Architecture finding A1. Structure (5 classes, D2) is fixed; the invalidation race (R4) and error handling (R5) stay pending.\nELI10: Right now the plan has one cache object created when the module loads, and both new services grab it by importing the module. That works until you need two of them (one per test, one per tenant tier, one for a canary) and discover every file in the auth path secretly depends on that one global. Tests that write to the cache leak into the next test. Passing the cache into each service's constructor from one place makes the dependency visible and swappable.\nStakes if we pick wrong: global = flaky cross-test pollution in the auth suite and monkey-patching to isolate; injection = one small factory function to write.\nRecommendation: A because it is the standard Node/TS pattern [Layer 1], costs one factory function, and is the difference between an auth suite you trust and one you rerun.\nCompleteness: A=10/10, B=3/10, C=6/10\nPros / cons:\nA) Constructor injection from one composition root (recommended) (human: ~half day / CC: ~10 min)\n ✅ Each service's dependency on the cache is explicit in its constructor signature; nothing hidden behind an import\n ✅ Tests build a fresh `AuthCache` per case with a fake adapter; zero cross-test state leakage\n ✅ One place (`createAuthServices()`) owns wiring, so a per-tenant-tier or canary cache later is a wiring change, not a refactor\n ❌ Callers that today import the flow directly must go through the factory (a few import-site edits)\nB) Keep the module-level global export\n ✅ Zero extra code; matches the plan as written\n ✅ Every call site trivially sees the same instance\n ❌ Test pollution across AuthBroker and SessionMint suites; isolation needs monkey-patching or module cache resets\n ❌ The two writers to one global are invisible at the type level; nobody reviewing SessionMint sees it can clobber AuthBroker's state\nC) Module-level global + `resetAuthCacheForTests()` hook\n ✅ Cheap; fixes the test-pollution symptom without touching production wiring\n ✅ No call-site edits\n ❌ Test-only API shipped in production code; the hidden coupling remains\n ❌ Does nothing for per-tenant-tier or canary scenarios; you still end up doing A later\nNet: trading a handful of import-site edits for an auth module whose dependencies are visible and whose tests are isolated.",
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||||
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||||
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||||
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||||
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"D3 — How should AuthBroker and SessionMint get hold of the shared AuthCache?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Architecture finding A1. Structure (5 classes, D2) is fixed; the invalidation race (R4) and error handling (R5) stay pending.\nELI10: Right now the plan has one cache object created when the module loads, and both new services grab it by importing the module. That works until you need two of them (one per test, one per tenant tier, one for a canary) and discover every file in the auth path secretly depends on that one global. Tests that write to the cache leak into the next test. Passing the cache into each service's constructor from one place makes the dependency visible and swappable.\nStakes if we pick wrong: global = flaky cross-test pollution in the auth suite and monkey-patching to isolate; injection = one small factory function to write.\nRecommendation: A because it is the standard Node/TS pattern [Layer 1], costs one factory function, and is the difference between an auth suite you trust and one you rerun.\nCompleteness: A=10/10, B=3/10, C=6/10\nPros / cons:\nA) Constructor injection from one composition root (recommended) (human: ~half day / CC: ~10 min)\n ✅ Each service's dependency on the cache is explicit in its constructor signature; nothing hidden behind an import\n ✅ Tests build a fresh `AuthCache` per case with a fake adapter; zero cross-test state leakage\n ✅ One place (`createAuthServices()`) owns wiring, so a per-tenant-tier or canary cache later is a wiring change, not a refactor\n ❌ Callers that today import the flow directly must go through the factory (a few import-site edits)\nB) Keep the module-level global export\n ✅ Zero extra code; matches the plan as written\n ✅ Every call site trivially sees the same instance\n ❌ Test pollution across AuthBroker and SessionMint suites; isolation needs monkey-patching or module cache resets\n ❌ The two writers to one global are invisible at the type level; nobody reviewing SessionMint sees it can clobber AuthBroker's state\nC) Module-level global + `resetAuthCacheForTests()` hook\n ✅ Cheap; fixes the test-pollution symptom without touching production wiring\n ✅ No call-site edits\n ❌ Test-only API shipped in production code; the hidden coupling remains\n ❌ Does nothing for per-tenant-tier or canary scenarios; you still end up doing A later\nNet: trading a handful of import-site edits for an auth module whose dependencies are visible and whose tests are isolated.": "A) Constructor injection (recommended)"
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"question": "D4 — Should AuthCache stop a late SessionMint write from resurrecting a suspended or revoked tenant's session?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Architecture finding A2. Cache injection (D3) and 5-class structure (D2) are fixed; error handling (R5) stays pending.\nELI10: Two services write to the same cache and nothing orders their writes (the plan says so at PLAN.md:19). Picture this: an admin suspends a tenant, the adapter wipes that tenant's cached sessions, but a session-mint request that started a moment earlier finishes and writes a fresh session back. The suspended tenant stays logged in until that entry expires. The fix is small: the facade remembers a per-tenant \"generation\" number that goes up on every invalidation, and a write is dropped if the generation moved while the write was in flight. The plan's own code does not touch the adapter, so the guard sits in `AuthCache`.\nStakes if we pick wrong: no guard = a suspension or revocation that silently does not take effect for one token lifetime; guard = a few lines plus one race test.\nRecommendation: A because suspension and revocation are the security boundary of a multi-tenant system, the plan explicitly introduces a second writer, and the cost is a counter and a compare.\nCompleteness: A=10/10, B=n/a (investigation only, approves no implementation), C=3/10\nPros / cons:\nA) Per-tenant invalidation generation check in `AuthCache.put()` (recommended) (human: ~1 day incl. race test / CC: ~15 min)\n ✅ Closes the resurrect-after-invalidate window without changing the adapter or its key rules\n ✅ One place to enforce it; both writers go through `AuthCache.put()`, so neither service needs to know\n ✅ Dropped writes are observable (counter/log), so a real race in prod shows up instead of hiding\n ❌ It is a behavior tightening inside a \"no behavior change\" refactor; must be called out in the PR and covered by its own test\n ❌ Generation counter is per-process; a multi-instance deploy with a shared backing cache needs the generation stored alongside the entry (small, but must be designed in)\nB) Investigate the existing adapter first, then decide\n ✅ Avoids building a guard the adapter may already provide\n ✅ Surfaces whether suspension bumps policy version (which would make stale entries unreachable by key anyway)\n ❌ Leaves the window open until the investigation lands and a second decision is made\n ❌ The two-writer situation is new in this plan; even an existing guard was designed for one writer\nC) No guard; document the window as accepted risk\n ✅ Zero code; refactor stays strictly behavior-neutral\n ✅ If the window already exists today with legacyAuthFlow, this is status quo\n ❌ A suspended tenant can keep a valid session for one token lifetime; that is the kind of thing that ends up in a security incident report\n ❌ Adding SessionMint as a second writer makes the window more likely to be hit than today\nNet: trading a small, explicit behavior tightening for a suspension/revocation that actually takes effect when the admin clicks it.",
|
||||
"header": "D4 race guard",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Generation guard in AuthCache.put() (recommended)",
|
||||
"description": "`AuthCache` tracks a per-tenant invalidation generation (bumped by the existing invalidation hooks via the facade). `put()` compares the generation captured before the write with the current one and drops the write with a metric if it advanced. Adapter unchanged. Includes a concurrency test."
|
||||
},
|
||||
{
|
||||
"label": "B) Investigate adapter first",
|
||||
"description": "Bounded probe of the existing adapter and invalidation hooks: does it already reject post-invalidation writes, and does tenant suspension bump policy version? No implementation approved; a follow-up decision picks the remedy."
|
||||
},
|
||||
{
|
||||
"label": "C) No guard, document the risk",
|
||||
"description": "Leave mutations unserialized. Add a note to the plan and PR describing the resurrect-after-invalidate window as accepted risk."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
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|
||||
"answers": {
|
||||
"D4 — Should AuthCache stop a late SessionMint write from resurrecting a suspended or revoked tenant's session?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Architecture finding A2. Cache injection (D3) and 5-class structure (D2) are fixed; error handling (R5) stays pending.\nELI10: Two services write to the same cache and nothing orders their writes (the plan says so at PLAN.md:19). Picture this: an admin suspends a tenant, the adapter wipes that tenant's cached sessions, but a session-mint request that started a moment earlier finishes and writes a fresh session back. The suspended tenant stays logged in until that entry expires. The fix is small: the facade remembers a per-tenant \"generation\" number that goes up on every invalidation, and a write is dropped if the generation moved while the write was in flight. The plan's own code does not touch the adapter, so the guard sits in `AuthCache`.\nStakes if we pick wrong: no guard = a suspension or revocation that silently does not take effect for one token lifetime; guard = a few lines plus one race test.\nRecommendation: A because suspension and revocation are the security boundary of a multi-tenant system, the plan explicitly introduces a second writer, and the cost is a counter and a compare.\nCompleteness: A=10/10, B=n/a (investigation only, approves no implementation), C=3/10\nPros / cons:\nA) Per-tenant invalidation generation check in `AuthCache.put()` (recommended) (human: ~1 day incl. race test / CC: ~15 min)\n ✅ Closes the resurrect-after-invalidate window without changing the adapter or its key rules\n ✅ One place to enforce it; both writers go through `AuthCache.put()`, so neither service needs to know\n ✅ Dropped writes are observable (counter/log), so a real race in prod shows up instead of hiding\n ❌ It is a behavior tightening inside a \"no behavior change\" refactor; must be called out in the PR and covered by its own test\n ❌ Generation counter is per-process; a multi-instance deploy with a shared backing cache needs the generation stored alongside the entry (small, but must be designed in)\nB) Investigate the existing adapter first, then decide\n ✅ Avoids building a guard the adapter may already provide\n ✅ Surfaces whether suspension bumps policy version (which would make stale entries unreachable by key anyway)\n ❌ Leaves the window open until the investigation lands and a second decision is made\n ❌ The two-writer situation is new in this plan; even an existing guard was designed for one writer\nC) No guard; document the window as accepted risk\n ✅ Zero code; refactor stays strictly behavior-neutral\n ✅ If the window already exists today with legacyAuthFlow, this is status quo\n ❌ A suspended tenant can keep a valid session for one token lifetime; that is the kind of thing that ends up in a security incident report\n ❌ Adding SessionMint as a second writer makes the window more likely to be hit than today\nNet: trading a small, explicit behavior tightening for a suspension/revocation that actually takes effect when the admin clicks it.": "A) Generation guard in AuthCache.put() (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T19:33:26.406Z"
|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — How should validateAndDispatch() handle errors: flat fail-closed pipeline, patched catches, or as written?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Architecture finding A3 / Code quality finding C1. DI (D3), generation guard (D4) and structure (D2) are fixed.\nELI10: The function that decides whether a request gets in has three nested \"try this, and if it blows up, ignore it\" blocks, each ignoring a different kind of failure. In an auth check, ignoring a failure is the dangerous direction: if the token check fails and gets swallowed, does the request still get dispatched? Nobody can tell from a 60-line nest. The clean shape is a short straight line of steps where any failure stops the line and produces an explicit \"denied because X\" with a log entry. Only the success path can reach dispatch.\nStakes if we pick wrong: keep swallowing = a possible fail-open auth bypass that no test will find because the code hides the error; flat pipeline = an afternoon of restructuring you were doing anyway (this is the refactor).\nRecommendation: A because the whole point of the plan is to reorganize this orchestration, and a fail-closed pipeline is the only shape where \"can a swallowed error reach dispatch?\" is answered by structure instead of by reading every catch.\nCompleteness: A=10/10, B=7/10, C=2/10\nPros / cons:\nA) Flat fail-closed pipeline with typed errors and one top-level handler (recommended) (human: ~1.5 days / CC: ~25 min)\n ✅ Fail-closed by construction: dispatch is the last step and is only reached when every prior step returned normally\n ✅ Each step (`validateToken`, `loadClaims`, `decideAccess`, `dispatch`) is 10-15 lines and unit-testable on its own, including its error branch\n ✅ Every denial carries a reason code and a structured log line, so a 3am on-call can tell \"expired token\" from \"IDP down\" from \"policy deny\"\n ❌ Introduces a small `AuthError` hierarchy (3-4 classes) that must be kept in sync with the reason codes\n ❌ Changes the observable error surface (callers now see explicit denials where they may have seen silent success or undefined); must be covered by the regression contract in Test review\nB) Keep the nested try/catch, replace each swallow with log + explicit deny\n ✅ Smallest diff to the existing shape; each catch gets 2 lines\n ✅ Fail-closed if every catch is audited and none is missed\n ❌ Still 60 lines and three nesting levels; the next person adds a fourth catch and swallows again\n ❌ Correctness depends on a human checking each catch rather than on structure\nC) Keep as written (swallowing catches)\n ✅ Zero effort now\n ✅ Matches current production behavior exactly\n ❌ Unknown whether a swallowed error lets a request through; in an auth path that is a potential bypass\n ❌ Contradicts the plan's own goal of reorganizing the orchestration\nNet: trading a small typed-error hierarchy for an auth entry point where fail-closed is a property of the code shape, not of reviewer diligence.",
|
||||
"header": "D5 error flow",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Flat fail-closed pipeline (recommended)",
|
||||
"description": "Restructure `validateAndDispatch()` into `validateToken → loadClaims → decideAccess → dispatch`. Each step throws a typed `AuthError` subclass. One top-level handler maps class → explicit deny with reason code + structured log + per-class counter. Dispatch only reachable on the success path. Unit tests per step incl. error branch."
|
||||
},
|
||||
{
|
||||
"label": "B) Patch each catch: log + explicit deny",
|
||||
"description": "Keep the three nested try/catch blocks. Replace each silent swallow with a structured log and an explicit deny return. Function stays ~60 lines."
|
||||
},
|
||||
{
|
||||
"label": "C) Keep as written",
|
||||
"description": "Leave the three swallowing catches as described in the plan. No error-handling change in this refactor."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — How should validateAndDispatch() handle errors: flat fail-closed pipeline, patched catches, or as written?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Architecture finding A3 / Code quality finding C1. DI (D3), generation guard (D4) and structure (D2) are fixed.\nELI10: The function that decides whether a request gets in has three nested \"try this, and if it blows up, ignore it\" blocks, each ignoring a different kind of failure. In an auth check, ignoring a failure is the dangerous direction: if the token check fails and gets swallowed, does the request still get dispatched? Nobody can tell from a 60-line nest. The clean shape is a short straight line of steps where any failure stops the line and produces an explicit \"denied because X\" with a log entry. Only the success path can reach dispatch.\nStakes if we pick wrong: keep swallowing = a possible fail-open auth bypass that no test will find because the code hides the error; flat pipeline = an afternoon of restructuring you were doing anyway (this is the refactor).\nRecommendation: A because the whole point of the plan is to reorganize this orchestration, and a fail-closed pipeline is the only shape where \"can a swallowed error reach dispatch?\" is answered by structure instead of by reading every catch.\nCompleteness: A=10/10, B=7/10, C=2/10\nPros / cons:\nA) Flat fail-closed pipeline with typed errors and one top-level handler (recommended) (human: ~1.5 days / CC: ~25 min)\n ✅ Fail-closed by construction: dispatch is the last step and is only reached when every prior step returned normally\n ✅ Each step (`validateToken`, `loadClaims`, `decideAccess`, `dispatch`) is 10-15 lines and unit-testable on its own, including its error branch\n ✅ Every denial carries a reason code and a structured log line, so a 3am on-call can tell \"expired token\" from \"IDP down\" from \"policy deny\"\n ❌ Introduces a small `AuthError` hierarchy (3-4 classes) that must be kept in sync with the reason codes\n ❌ Changes the observable error surface (callers now see explicit denials where they may have seen silent success or undefined); must be covered by the regression contract in Test review\nB) Keep the nested try/catch, replace each swallow with log + explicit deny\n ✅ Smallest diff to the existing shape; each catch gets 2 lines\n ✅ Fail-closed if every catch is audited and none is missed\n ❌ Still 60 lines and three nesting levels; the next person adds a fourth catch and swallows again\n ❌ Correctness depends on a human checking each catch rather than on structure\nC) Keep as written (swallowing catches)\n ✅ Zero effort now\n ✅ Matches current production behavior exactly\n ❌ Unknown whether a swallowed error lets a request through; in an auth path that is a potential bypass\n ❌ Contradicts the plan's own goal of reorganizing the orchestration\nNet: trading a small typed-error hierarchy for an auth entry point where fail-closed is a property of the code shape, not of reviewer diligence.": "A) Flat fail-closed pipeline (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T19:34:38.761Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "6e59025e-0e69-4ae1-80c3-11ae663e2b96",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 — How do we prove the rewritten auth flow still makes the same allow/deny decisions as legacyAuthFlow()?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Test review finding T1 (CRITICAL regression risk). DI (D3), generation guard (D4) and fail-closed pipeline (D5) are fixed. This question chooses how to cover the regression, not whether.\nELI10: The plan replaces the code that decides who gets in, and says it will not test that the new code agrees with the old one. The cheap way to make that safe: before touching anything, write a table of inputs (good token, expired, wrong tenant, revoked, suspended tenant, IDP down, cache hit, cache miss...) and record what the old code answers for each. That table becomes a test. The new code must produce the same answers, except for the two changes we chose on purpose (explicit denials, dropped stale writes), which get their own assertions. Ship behind a flag so a surprise is one flip away from undone.\nStakes if we pick wrong: no characterization = a tenant that used to be allowed is denied (or the reverse) and you find out from a support ticket; with it = an afternoon of fixture writing that CC does in minutes.\nRecommendation: A because it protects every behavior class at risk with tests that run in CI, costs minutes with CC, and stays reversible via the flag; B adds real production safety but doubles IDP traffic per request during the bake, which the plan's own 5-sequential-calls finding makes expensive.\nCompleteness: A=9/10, B=10/10, C=4/10\nPros / cons:\nA) Characterization suite + intended-delta assertions + 4 E2E flows + flag cutover (recommended) (human: ~2 days / CC: ~30 min)\n ✅ Every behavior class at risk (allow/deny matrix, cache hit/miss, three invalidation triggers) has a CI assertion recorded from the real legacy code before it is deleted\n ✅ Intended deltas from D4/D5 are asserted explicitly, so \"different\" is either expected and tested or a failure\n ✅ Feature-flag cutover makes a production surprise a flip, not a revert-and-redeploy\n ❌ Only as good as the fixture matrix; a legacy quirk not in the matrix is not protected\n ❌ Flag adds a temporary second code path to remove after cutover\nB) Everything in A plus a production shadow-run diff for a bake period\n ✅ Catches legacy quirks that no fixture author thought of, on real traffic\n ✅ Highest confidence available before deleting legacyAuthFlow()\n ❌ Doubles IDP calls per authenticated request during the bake (10 sequential calls with today's flow); latency and IDP rate limits become a rollout risk\n ❌ Needs decision-compare plumbing and log storage that is thrown away after cutover (human: ~1 week / CC: ~1.5 h)\nC) E2E smoke only against the new flow\n ✅ Fast to write; proves the happy path works end to end\n ✅ No legacy fixture recording needed\n ❌ Does not protect allow/deny parity for denied classes, cache semantics or invalidation; exactly the cases where regressions are silent\n ❌ Violates the regression rule for a rewrite of the auth decision path\nNet: trading an afternoon of fixture recording for proof that the new gatekeeper answers the same as the old one, with the two intentional differences named.",
|
||||
"header": "D6 regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Characterization + deltas + E2E + flag (recommended)",
|
||||
"description": "Record legacyAuthFlow() outcomes over a fixture matrix (valid, expired, bad signature, wrong issuer, wrong audience, revoked, suspended tenant, IDP timeout/5xx per call, cache hit, cache miss) into `legacyAuthFlow.characterization.test.ts`; run the same matrix against AuthBroker. Assert D4/D5 deltas separately. 4 E2E flows (login/request, logout, suspension, revocation). Cutover behind a feature flag."
|
||||
},
|
||||
{
|
||||
"label": "B) A + production shadow-run diff",
|
||||
"description": "All of A, plus run the new flow alongside legacy behind the flag in production, compare decisions, log diffs for a bake period before cutover. Doubles IDP calls per request during the bake."
|
||||
},
|
||||
{
|
||||
"label": "C) E2E smoke only",
|
||||
"description": "Login → authorized request → logout E2E against the new flow only. No characterization of legacy behavior; no intended-delta assertions."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 — How do we prove the rewritten auth flow still makes the same allow/deny decisions as legacyAuthFlow()?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md), Test review finding T1 (CRITICAL regression risk). DI (D3), generation guard (D4) and fail-closed pipeline (D5) are fixed. This question chooses how to cover the regression, not whether.\nELI10: The plan replaces the code that decides who gets in, and says it will not test that the new code agrees with the old one. The cheap way to make that safe: before touching anything, write a table of inputs (good token, expired, wrong tenant, revoked, suspended tenant, IDP down, cache hit, cache miss...) and record what the old code answers for each. That table becomes a test. The new code must produce the same answers, except for the two changes we chose on purpose (explicit denials, dropped stale writes), which get their own assertions. Ship behind a flag so a surprise is one flip away from undone.\nStakes if we pick wrong: no characterization = a tenant that used to be allowed is denied (or the reverse) and you find out from a support ticket; with it = an afternoon of fixture writing that CC does in minutes.\nRecommendation: A because it protects every behavior class at risk with tests that run in CI, costs minutes with CC, and stays reversible via the flag; B adds real production safety but doubles IDP traffic per request during the bake, which the plan's own 5-sequential-calls finding makes expensive.\nCompleteness: A=9/10, B=10/10, C=4/10\nPros / cons:\nA) Characterization suite + intended-delta assertions + 4 E2E flows + flag cutover (recommended) (human: ~2 days / CC: ~30 min)\n ✅ Every behavior class at risk (allow/deny matrix, cache hit/miss, three invalidation triggers) has a CI assertion recorded from the real legacy code before it is deleted\n ✅ Intended deltas from D4/D5 are asserted explicitly, so \"different\" is either expected and tested or a failure\n ✅ Feature-flag cutover makes a production surprise a flip, not a revert-and-redeploy\n ❌ Only as good as the fixture matrix; a legacy quirk not in the matrix is not protected\n ❌ Flag adds a temporary second code path to remove after cutover\nB) Everything in A plus a production shadow-run diff for a bake period\n ✅ Catches legacy quirks that no fixture author thought of, on real traffic\n ✅ Highest confidence available before deleting legacyAuthFlow()\n ❌ Doubles IDP calls per authenticated request during the bake (10 sequential calls with today's flow); latency and IDP rate limits become a rollout risk\n ❌ Needs decision-compare plumbing and log storage that is thrown away after cutover (human: ~1 week / CC: ~1.5 h)\nC) E2E smoke only against the new flow\n ✅ Fast to write; proves the happy path works end to end\n ✅ No legacy fixture recording needed\n ❌ Does not protect allow/deny parity for denied classes, cache semantics or invalidation; exactly the cases where regressions are silent\n ❌ Violates the regression rule for a rewrite of the auth decision path\nNet: trading an afternoon of fixture recording for proof that the new gatekeeper answers the same as the old one, with the two intentional differences named.": "A) Characterization + deltas + E2E + flag (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T19:36:38.910Z"
|
||||
},
|
||||
{
|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 — TODO: Cache IDP discovery metadata and JWKS per issuer, then re-evaluate parallelizing what remains?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md). Follow-up to D1 (parallelization deferred) and Performance findings P1/P2.\nELI10: Every token check today makes five trips to the identity provider, one after another. The plan wanted to fire them all at once. But two or three of those trips are almost certainly fetching the provider's public config and signing keys, which change rarely and are meant to be cached for minutes to hours. Cache those and most trips disappear; then see if anything is left worth parallelizing.\nStakes if we pick wrong: skipped = the latency problem D1 deferred is never picked up; added = a captured follow-up with the right shape (cache first, parallelize second).\nRecommendation: A because D1 deferred the latency fix on the promise of capturing it, and this TODO records the corrected approach so the follow-up does not just reimplement Promise.all.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: Add per-issuer caches for OIDC discovery (hours TTL) and JWKS (minutes-hours TTL, refresh on unknown kid, no unbounded refetch loop); then measure remaining IDP calls per validation and parallelize only genuinely independent ones.\nWhy: 5 sequential IDP round trips per cache-miss validation is the dominant auth latency; caching removes most of them and reduces IDP load, unlike Promise.all which increases burst load 5x.\nContext: Deferred from this refactor by D1 to keep it behavior-neutral. Verify first which of the 5 calls are metadata vs per-token. Layer 1 practice per SSOJet / OneUptime references in the review. Start in the validateToken step of AuthBroker once the D5 pipeline lands.\nEffort: M Priority: P2 Depends on: this refactor landing (D5 pipeline gives a single place to add the cache).\nPros / cons:\nA) Add to TODOS (recommended)\n ✅ Keeps D1's deferral honest: the latency work has a captured owner and the right approach\n ✅ Cache-first framing prevents a follow-up that only reimplements Promise.all and 5x IDP burst\n ❌ One more TODO to groom\nB) Skip — not valuable enough\n ✅ Nothing to track\n ✅ Team may already have this on a roadmap elsewhere\n ❌ The 5x sequential latency deferred by D1 is silently dropped\nC) Build it now in this PR\n ✅ Users get the latency win in the same release\n ✅ D5 pipeline is the natural insertion point and is being written anyway\n ❌ Reintroduces a behavior change into the refactor that D1 explicitly separated; contradicts an approved decision (would need D1 reopened)\nNet: trading one groomed TODO for not losing the latency fix and not doing it the wrong way.",
|
||||
"header": "D7 TODO",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Add to TODOS (recommended)",
|
||||
"description": "Record the TODO as written (cache discovery + JWKS per issuer, then re-evaluate parallelization). Not persisted to TODOS.md in plan mode; recorded in the report file."
|
||||
},
|
||||
{
|
||||
"label": "B) Skip",
|
||||
"description": "Do not capture. The deferred latency work is dropped from this review's record."
|
||||
},
|
||||
{
|
||||
"label": "C) Build it now in this PR",
|
||||
"description": "Include IDP metadata caching in this refactor. Contradicts D1 (behavior-neutral refactor); would require reopening D1 with a new question."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 — TODO: Cache IDP discovery metadata and JWKS per issuer, then re-evaluate parallelizing what remains?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md). Follow-up to D1 (parallelization deferred) and Performance findings P1/P2.\nELI10: Every token check today makes five trips to the identity provider, one after another. The plan wanted to fire them all at once. But two or three of those trips are almost certainly fetching the provider's public config and signing keys, which change rarely and are meant to be cached for minutes to hours. Cache those and most trips disappear; then see if anything is left worth parallelizing.\nStakes if we pick wrong: skipped = the latency problem D1 deferred is never picked up; added = a captured follow-up with the right shape (cache first, parallelize second).\nRecommendation: A because D1 deferred the latency fix on the promise of capturing it, and this TODO records the corrected approach so the follow-up does not just reimplement Promise.all.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: Add per-issuer caches for OIDC discovery (hours TTL) and JWKS (minutes-hours TTL, refresh on unknown kid, no unbounded refetch loop); then measure remaining IDP calls per validation and parallelize only genuinely independent ones.\nWhy: 5 sequential IDP round trips per cache-miss validation is the dominant auth latency; caching removes most of them and reduces IDP load, unlike Promise.all which increases burst load 5x.\nContext: Deferred from this refactor by D1 to keep it behavior-neutral. Verify first which of the 5 calls are metadata vs per-token. Layer 1 practice per SSOJet / OneUptime references in the review. Start in the validateToken step of AuthBroker once the D5 pipeline lands.\nEffort: M Priority: P2 Depends on: this refactor landing (D5 pipeline gives a single place to add the cache).\nPros / cons:\nA) Add to TODOS (recommended)\n ✅ Keeps D1's deferral honest: the latency work has a captured owner and the right approach\n ✅ Cache-first framing prevents a follow-up that only reimplements Promise.all and 5x IDP burst\n ❌ One more TODO to groom\nB) Skip — not valuable enough\n ✅ Nothing to track\n ✅ Team may already have this on a roadmap elsewhere\n ❌ The 5x sequential latency deferred by D1 is silently dropped\nC) Build it now in this PR\n ✅ Users get the latency win in the same release\n ✅ D5 pipeline is the natural insertion point and is being written anyway\n ❌ Reintroduces a behavior change into the refactor that D1 explicitly separated; contradicts an approved decision (would need D1 reopened)\nNet: trading one groomed TODO for not losing the latency fix and not doing it the wrong way.": "A) Add to TODOS (recommended)"
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||||
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||||
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||||
"question": "D8 — TODO: Bound the AuthCache entry count (size limit / LRU) on top of expiry eviction?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md). Performance finding P3 (confidence 5/10, medium: verify the adapter first).\nELI10: The cache throws entries away when they expire, but the plan never says it throws them away when there are too many. Keys combine tenant, issuer, audience and policy version, so a large multi-tenant fleet can grow the cache without limit until the process runs out of memory. This is a follow-up check, not a change to this refactor, because the adapter is explicitly kept unchanged.\nStakes if we pick wrong: skipped = a slow memory leak that shows up as an OOM restart months from now; added = a 30-minute check of the adapter and, if needed, a max-entries setting.\nRecommendation: A because it is cheap to check, the failure mode is silent, and the adapter contract in this plan (unchanged) means it will not get looked at otherwise.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: Verify whether the existing cache adapter bounds entry count; if not, add a max-entries / LRU policy with a metric for evictions-by-size.\nWhy: Expiry-only eviction is unbounded under many tenants x issuers x audiences x policy versions; a policy-version bump orphans every old entry until expiry.\nContext: Raised at confidence 5/10 in the eng review because the adapter source was not available. Start by reading the adapter's eviction code and its tests (PLAN.md:16-22 says both exist). If bounded already, close the TODO with a note.\nEffort: S Priority: P3 Depends on: None.\nPros / cons:\nA) Add to TODOS (recommended)\n ✅ Cheap check that closes a silent, slow failure mode before it becomes a 3am OOM page\n ✅ Keeps the adapter-unchanged contract of this refactor intact\n ❌ May turn out to be already handled (then it is a 10-minute close)\nB) Skip — not valuable enough\n ✅ Nothing to track\n ✅ If the adapter is a bounded store (e.g. Redis with maxmemory), this is moot\n ❌ If it is unbounded, nobody finds out until memory runs out\nC) Build it now in this PR\n ✅ Closes the gap in the same release\n ❌ Changes the adapter, which this plan explicitly keeps unchanged (PLAN.md:21-22); contradicts the retained contract\nNet: trading one small TODO for not discovering the cache's memory ceiling in production.",
|
||||
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||||
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||||
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||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"description": "Add a size bound to the adapter in this refactor. Contradicts the plan's adapter-unchanged contract."
|
||||
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||||
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||||
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"D8 — TODO: Bound the AuthCache entry count (size limit / LRU) on top of expiry eviction?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md). Performance finding P3 (confidence 5/10, medium: verify the adapter first).\nELI10: The cache throws entries away when they expire, but the plan never says it throws them away when there are too many. Keys combine tenant, issuer, audience and policy version, so a large multi-tenant fleet can grow the cache without limit until the process runs out of memory. This is a follow-up check, not a change to this refactor, because the adapter is explicitly kept unchanged.\nStakes if we pick wrong: skipped = a slow memory leak that shows up as an OOM restart months from now; added = a 30-minute check of the adapter and, if needed, a max-entries setting.\nRecommendation: A because it is cheap to check, the failure mode is silent, and the adapter contract in this plan (unchanged) means it will not get looked at otherwise.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: Verify whether the existing cache adapter bounds entry count; if not, add a max-entries / LRU policy with a metric for evictions-by-size.\nWhy: Expiry-only eviction is unbounded under many tenants x issuers x audiences x policy versions; a policy-version bump orphans every old entry until expiry.\nContext: Raised at confidence 5/10 in the eng review because the adapter source was not available. Start by reading the adapter's eviction code and its tests (PLAN.md:16-22 says both exist). If bounded already, close the TODO with a note.\nEffort: S Priority: P3 Depends on: None.\nPros / cons:\nA) Add to TODOS (recommended)\n ✅ Cheap check that closes a silent, slow failure mode before it becomes a 3am OOM page\n ✅ Keeps the adapter-unchanged contract of this refactor intact\n ❌ May turn out to be already handled (then it is a 10-minute close)\nB) Skip — not valuable enough\n ✅ Nothing to track\n ✅ If the adapter is a bounded store (e.g. Redis with maxmemory), this is moot\n ❌ If it is unbounded, nobody finds out until memory runs out\nC) Build it now in this PR\n ✅ Closes the gap in the same release\n ❌ Changes the adapter, which this plan explicitly keeps unchanged (PLAN.md:21-22); contradicts the retained contract\nNet: trading one small TODO for not discovering the cache's memory ceiling in production.": "A) Add to TODOS (recommended)"
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||||
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||||
"question": "D9 — TODO: Remove the `auth.brokerFlow` feature flag and delete legacyAuthFlow() after cutover?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md). Follow-up created by D6 (flag-based cutover).\nELI10: D6 ships the new flow behind a flag so you can flip back if something is wrong. That is the right call, but a flag that never gets removed becomes a permanent second code path that nobody dares delete. This TODO is the reminder to remove the flag and the old flow once the new one has run cleanly.\nStakes if we pick wrong: skipped = two auth flows live forever and every future change has to be made twice; added = a tracked cleanup with a clear trigger.\nRecommendation: A because D6's accepted scope already says the flag and legacyAuthFlow() come out in a follow-up; this gives that follow-up a home and a trigger.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: After the broker flow has been at 100% with no flag flips for an agreed bake window, delete `legacyAuthFlow()`, the `auth.brokerFlow` flag, and the legacy half of the characterization harness (keep the matrix running against AuthBroker only).\nWhy: A permanent flag doubles the maintenance surface of the auth path and keeps dead code that the security team still has to audit.\nContext: Created by D6 (characterization + flag cutover). Trigger: flag at 100% for the bake window with zero `auth_cache.put_dropped_stale` anomalies and zero rollbacks. The characterization matrix stays as the AuthBroker regression suite.\nEffort: S Priority: P2 Depends on: this refactor shipped and baked at 100%.\nPros / cons:\nA) Add to TODOS (recommended)\n ✅ Gives D6's promised cleanup a tracked owner and an objective trigger\n ✅ Prevents the classic permanent-flag outcome for the most security-sensitive path in the codebase\n ❌ One more TODO to groom\nB) Skip — not valuable enough\n ✅ Nothing to track\n ❌ D6's follow-up cleanup has no home; two auth flows likely persist\nC) Build it now in this PR\n ✅ No cleanup later\n ❌ Deleting the legacy flow in the same PR removes the flag's whole point (instant rollback); contradicts D6's accepted scope\nNet: trading one groomed TODO for an auth path that ends up with one implementation, not two.",
|
||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
"description": "Delete legacyAuthFlow() and skip the flag in this PR. Contradicts D6's flag-based cutover."
|
||||
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||||
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||||
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||||
"D9 — TODO: Remove the `auth.brokerFlow` feature flag and delete legacyAuthFlow() after cutover?\nProject/branch/task: main — Multi-tenant Auth Refactor (PLAN.md). Follow-up created by D6 (flag-based cutover).\nELI10: D6 ships the new flow behind a flag so you can flip back if something is wrong. That is the right call, but a flag that never gets removed becomes a permanent second code path that nobody dares delete. This TODO is the reminder to remove the flag and the old flow once the new one has run cleanly.\nStakes if we pick wrong: skipped = two auth flows live forever and every future change has to be made twice; added = a tracked cleanup with a clear trigger.\nRecommendation: A because D6's accepted scope already says the flag and legacyAuthFlow() come out in a follow-up; this gives that follow-up a home and a trigger.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: After the broker flow has been at 100% with no flag flips for an agreed bake window, delete `legacyAuthFlow()`, the `auth.brokerFlow` flag, and the legacy half of the characterization harness (keep the matrix running against AuthBroker only).\nWhy: A permanent flag doubles the maintenance surface of the auth path and keeps dead code that the security team still has to audit.\nContext: Created by D6 (characterization + flag cutover). Trigger: flag at 100% for the bake window with zero `auth_cache.put_dropped_stale` anomalies and zero rollbacks. The characterization matrix stays as the AuthBroker regression suite.\nEffort: S Priority: P2 Depends on: this refactor shipped and baked at 100%.\nPros / cons:\nA) Add to TODOS (recommended)\n ✅ Gives D6's promised cleanup a tracked owner and an objective trigger\n ✅ Prevents the classic permanent-flag outcome for the most security-sensitive path in the codebase\n ❌ One more TODO to groom\nB) Skip — not valuable enough\n ✅ Nothing to track\n ❌ D6's follow-up cleanup has no home; two auth flows likely persist\nC) Build it now in this PR\n ✅ No cleanup later\n ❌ Deleting the legacy flow in the same PR removes the flag's whole point (instant rollback); contradicts D6's accepted scope\nNet: trading one groomed TODO for an auth path that ends up with one implementation, not two.": "A) Add to TODOS (recommended)"
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||||
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|
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"question": "D10 — Next step after the engineering review?\nProject/branch/task: main — Multi-tenant Auth Refactor, eng review CLEAR with 0 critical gaps.\nELI10: The plan now has every architecture and test decision locked in and written down. The only remaining review lanes (design, DX) are for user-facing UI or developer-tool changes, and this is an internal auth reorg with no UI — so there is nothing else to review before coding starts.\nStakes if we pick wrong: Running an inapplicable review wastes a cycle; skipping straight to coding is safe because the regression contract (D6) gates the rewrite.\nRecommendation: Ready to implement because no UI or developer-facing surface changed and all nine decisions are answered.\nNote: options differ in kind, not coverage — no completeness score.\nNet: proceed to implementation; run /ship when the work is done.",
|
||||
"header": "Next step",
|
||||
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|
||||
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||||
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|
||||
"label": "Ready to implement (recommended)",
|
||||
"description": "✅ All D1–D9 decisions answered; 0 critical gaps; tasks T1–T9 and lanes written. ✅ Start lanes A (characterization), B (AuthCache guard), C (RequestPolicy) now; run /ship when done. ❌ TokenStore lane stays blocked until you write its one-paragraph responsibility."
|
||||
},
|
||||
{
|
||||
"label": "Run /plan-design-review first",
|
||||
"description": "✅ Would catch UI/UX gaps if any screens changed. ❌ Not applicable — this refactor changes no user-facing surface; the review would find nothing to act on."
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
"D10 — Next step after the engineering review?\nProject/branch/task: main — Multi-tenant Auth Refactor, eng review CLEAR with 0 critical gaps.\nELI10: The plan now has every architecture and test decision locked in and written down. The only remaining review lanes (design, DX) are for user-facing UI or developer-tool changes, and this is an internal auth reorg with no UI — so there is nothing else to review before coding starts.\nStakes if we pick wrong: Running an inapplicable review wastes a cycle; skipping straight to coding is safe because the regression contract (D6) gates the rewrite.\nRecommendation: Ready to implement because no UI or developer-facing surface changed and all nine decisions are answered.\nNote: options differ in kind, not coverage — no completeness score.\nNet: proceed to implementation; run /ship when the work is done.": "Ready to implement (recommended)"
|
||||
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|
||||
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"answeredAt": "2026-09-16T19:44:54.473Z"
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"report": "# Reviewed Plan: Multi-tenant Auth Refactor\n\nReviewed target: `PLAN.md` (`/tmp/g-i9l1d1pe/gstack-paid-shard-E4OT6Q/tmp/gstack-plan-count-VjWQw7/PLAN.md`, branch `main`, commit `70230ec`)\nReview: `/plan-eng-review`, 2026-09-16. Report file chosen per write policy rule 1 (user-requested path).\nEvidence note: the repository holds only `PLAN.md` and `CLAUDE.md`. No source for `validateAndDispatch()`, the cache adapter, or `legacyAuthFlow()` is available here; runtime evidence is **unknown** for every finding. Confidence is calibrated against the plan text.\n\n---\n\n# Plan: Multi-tenant Auth Refactor\n\n## Context supplied by the plan author\nThe goal is to reorganize existing tenant-auth orchestration without changing\nits product behavior. RequestPolicy groups the existing per-request access\ndecision: given already-fetched claims and tenant/request context, it returns\nallow or deny under the existing access policy. AuthBroker.validateAndDispatch()\ncalls it after validation and before dispatch. It adds no policy, network call,\ncache mutation or state. Its separate class boundary remains a proposal to review.\n\n## Existing contracts retained\nThe existing cache adapter keys entries by tenant ID, issuer, audience,\nand policy version. It evicts expired tokens and invalidates entries on\nlogout, token revocation, or tenant suspension. AuthCache retains these\nunchanged validity and tenant-key rules; they do not serialize mutations.\nAuthCache is a service-facing facade over that same existing adapter,\nwith one backing cache. The adapter, its invalidation hooks, and their\nexisting tests remain in use unchanged.\nUnit and integration coverage is planned for the new components and their\nsuccess/error paths. That coverage does not exercise legacyAuthFlow() or\nassert compatibility with its prior behavior.\n\n## Architecture\nTwo new services (`AuthBroker` and `SessionMint`) share a global mutable\n`AuthCache` instance via module-level export. Both services mutate it.\n\n## Code quality\nThe `validateAndDispatch()` function is 60 lines with three nested\ntry/catch blocks; each catch swallows a different error class.\n\n## Tests\nThe existing `legacyAuthFlow()` will get rewritten as part of this work;\nno regression test for the prior behavior is planned.\n\n## Performance\nToken validation issues 5 sequential API calls to the IDP; they could be\nparallelized via Promise.all trivially (calls are independent).\n\n## Architecture (scope smell)\nThis touches 12 files and introduces 5 new classes (AuthBroker, TokenStore,\nSessionMint, AuthCache, RequestPolicy). Worth flagging the complexity check.\n\n---\n\n## Accepted amendments (applied by this review)\n\n### Scope (D1, D2)\n- **Parallelization removed from this refactor (D1 → A).** The `## Performance` item above is out of scope for this branch. The refactor is behavior-neutral: same call sequence to the IDP as today. Follow-up captured in TODOS decisions below.\n- **Structure kept at 5 classes (D2 → A):** `AuthBroker`, `TokenStore`, `SessionMint`, `AuthCache`, `RequestPolicy`, ~12 files. Accepted condition: the plan must state `TokenStore`'s responsibility, distinct from `AuthCache` (`AuthCache` is the facade over the existing adapter; `TokenStore` must not hold a second copy of adapter entries or re-implement the tenant/issuer/audience/policy-version key rules). **Author to fill in** before implementation starts:\n - `TokenStore` responsibility: _<pending author input>_\n - Lifetime/ownership of what it holds and why the adapter cannot hold it: _<pending author input>_\n\n### Architecture (D3, D4)\n- **Cache acquisition (D3 → A):** one `AuthCache` is created in a composition root `createAuthServices()` and passed into the `AuthBroker` and `SessionMint` constructors. The module-level mutable export is removed. Still one backing cache (the existing adapter). Import sites that used the flow directly go through the factory.\n- **Post-invalidation write guard (D4 → A):** `AuthCache` keeps a per-tenant invalidation generation, bumped through the facade by the existing logout / revocation / suspension hooks. `AuthCache.put()` captures the generation before the write and drops the write (no-op + `auth_cache.put_dropped_stale` metric/log) if it advanced. Adapter and its key/validity rules unchanged. In multi-instance deployments the generation is stored alongside the entry in the backing cache, not per process. This is the **one intentional behavior tightening** in the refactor; call it out in the PR description.\n- Both `AuthBroker` and `SessionMint` write only through `AuthCache.put()`; neither reimplements tenant/issuer/audience/policy-version key construction.\n\n### Code quality (D5)\n- **`validateAndDispatch()` becomes a fail-closed pipeline (D5 → A):** a ~15-line orchestrator over `validateToken → loadClaims → decideAccess (RequestPolicy) → dispatch`. Each step throws a typed `AuthError` subclass (`TokenInvalidError`, `ClaimsULine truncated
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||||
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|
||||
"question": "D1 — Keep the Promise.all parallelization of the 5 IDP calls inside this refactor, or split it into its own follow-up change?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md \"Performance\" section (lines 39-41).\nELI10: The plan promises \"no product behavior change\" but also wants to fire 5 identity-provider calls at once instead of one after another. That's a real behavior change: errors arrive in a different order, the IDP sees 5x burst traffic per login, and the nested try/catch that swallows errors today will interact with Promise.all's first-rejection-wins semantics. Mixing this into a 12-file structural refactor means if a login breaks after deploy, you can't tell which change did it.\nStakes if we pick wrong: bundled = a login outage with two suspects and one revert; deferred too long = users keep waiting for 5 serial round trips.\nRecommendation: B because separating structural from behavioral change (Beck) keeps the refactor bisectable, and the follow-up is a small diff once tests exist.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Include parallelization in this refactor\n ✅ Users get the latency win in the same release, no second PR to shepherd\n ✅ Touches validateAndDispatch() once instead of twice\n ❌ Behavior change hides inside a \"no behavior change\" diff; a post-deploy regression has two suspects\n ❌ Promise.all rejection semantics collide with the three error-swallowing catch blocks before those are cleaned up\nB) Defer to an immediate follow-up PR after the refactor lands (recommended)\n ✅ Refactor stays pure structure: bisectable, revertable, reviewable against \"same behavior\" tests\n ✅ Follow-up lands on flattened error handling with regression tests already in place (human: ~1 day / CC: ~10 min)\n ❌ Latency win ships one PR later; someone has to actually open the follow-up\nC) Cut it entirely from this work\n ✅ Zero risk to the refactor\n ❌ Leaves a known 5x latency cost on every token validation with no owner\nNet: trading one release of latency for a refactor you can actually bisect.",
|
||||
"header": "D1 Promise.all",
|
||||
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|
||||
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|
||||
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|
||||
"label": "B) Defer to follow-up PR (recommended)",
|
||||
"description": "Refactor stays structural only. Parallelization lands as a separate small PR immediately after, once regression tests and flattened error handling exist. Effort: human ~1 day / CC ~10 min."
|
||||
},
|
||||
{
|
||||
"label": "A) Include in this refactor",
|
||||
"description": "Ship Promise.all inside this diff. Latency win in the same release, but a behavior change hides inside the structural refactor and interacts with the nested try/catch error swallowing."
|
||||
},
|
||||
{
|
||||
"label": "C) Cut entirely",
|
||||
"description": "Remove parallelization from scope with no follow-up. Zero refactor risk; 5x serial latency on every token validation stays unowned."
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
"D1 — Keep the Promise.all parallelization of the 5 IDP calls inside this refactor, or split it into its own follow-up change?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md \"Performance\" section (lines 39-41).\nELI10: The plan promises \"no product behavior change\" but also wants to fire 5 identity-provider calls at once instead of one after another. That's a real behavior change: errors arrive in a different order, the IDP sees 5x burst traffic per login, and the nested try/catch that swallows errors today will interact with Promise.all's first-rejection-wins semantics. Mixing this into a 12-file structural refactor means if a login breaks after deploy, you can't tell which change did it.\nStakes if we pick wrong: bundled = a login outage with two suspects and one revert; deferred too long = users keep waiting for 5 serial round trips.\nRecommendation: B because separating structural from behavioral change (Beck) keeps the refactor bisectable, and the follow-up is a small diff once tests exist.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Include parallelization in this refactor\n ✅ Users get the latency win in the same release, no second PR to shepherd\n ✅ Touches validateAndDispatch() once instead of twice\n ❌ Behavior change hides inside a \"no behavior change\" diff; a post-deploy regression has two suspects\n ❌ Promise.all rejection semantics collide with the three error-swallowing catch blocks before those are cleaned up\nB) Defer to an immediate follow-up PR after the refactor lands (recommended)\n ✅ Refactor stays pure structure: bisectable, revertable, reviewable against \"same behavior\" tests\n ✅ Follow-up lands on flattened error handling with regression tests already in place (human: ~1 day / CC: ~10 min)\n ❌ Latency win ships one PR later; someone has to actually open the follow-up\nC) Cut it entirely from this work\n ✅ Zero risk to the refactor\n ❌ Leaves a known 5x latency cost on every token validation with no owner\nNet: trading one release of latency for a refactor you can actually bisect.": "B) Defer to follow-up PR (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-16T23:06:19.905Z"
|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
"question": "D2 — Rewrite legacyAuthFlow() inside this refactor, or keep it as a thin adapter that delegates to AuthBroker (strangler) and retire it later?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md \"Tests\" section (lines 35-37) and \"Existing contracts retained\" (lines 23-25).\nELI10: legacyAuthFlow() is the code that logs people in today. The plan rewrites it in the same PR that introduces five new classes, and says the new tests won't check that it still behaves the same. That's the single riskiest line in the plan. A strangler approach keeps the old function's signature and callers, makes its body call the new AuthBroker, and lets you delete it in a later PR once production proves the new path matches. This question is about scope (rewrite now vs. adapter now, delete later); the regression-test contract itself is a separate decision in the Test review.\nStakes if we pick wrong: full rewrite with no safety net = tenants locked out or, worse, cross-tenant access with no test to catch it; over-cautious = one extra small PR.\nRecommendation: B because a strangler adapter keeps every existing caller and its behavior pinned while the new path proves itself, and the eventual delete is a 5-minute PR.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Full rewrite of legacyAuthFlow() in this PR (as planned)\n ✅ One less transitional layer; the codebase ends the PR with no legacy shim\n ✅ Fewer files to touch a second time in a follow-up\n ❌ Rewrites the live login path in the same diff as 5 new classes and 12 files; a regression has many suspects\n ❌ Every existing caller of legacyAuthFlow() changes behavior at once with no canary\nB) Strangler: keep legacyAuthFlow() signature, body delegates to AuthBroker; delete in a follow-up PR (recommended)\n ✅ Existing callers and their observable behavior stay pinned; the adapter is the natural place for a compatibility regression test\n ✅ Rollback is one function body, not 12 files (human: ~2h / CC: ~10 min for the adapter)\n ❌ Temporary shim lives in the codebase for one release; someone must open the delete PR\nC) Leave legacyAuthFlow() untouched; new services run alongside it\n ✅ Zero risk to current logins\n ❌ Two parallel auth paths in production with one shared cache; divergence is the real long-term hazard\nNet: trading one transitional shim for a login path you can roll back in one function.",
|
||||
"header": "D2 legacyAuth",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "B) Strangler adapter (recommended)",
|
||||
"description": "Keep legacyAuthFlow() signature; its body delegates to AuthBroker. Existing callers untouched. Delete the shim in a follow-up PR after the new path proves itself. Effort: human ~2h / CC ~10 min."
|
||||
},
|
||||
{
|
||||
"label": "A) Full rewrite now",
|
||||
"description": "Rewrite legacyAuthFlow() in this PR as originally planned. No shim, but the live login path changes in the same diff as 5 new classes and 12 files."
|
||||
},
|
||||
{
|
||||
"label": "C) Leave untouched",
|
||||
"description": "New services run alongside the untouched legacy flow. Zero login risk now, but two auth paths share one cache and will diverge."
|
||||
}
|
||||
]
|
||||
}
|
||||
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|
||||
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||||
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|
||||
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|
||||
"D2 — Rewrite legacyAuthFlow() inside this refactor, or keep it as a thin adapter that delegates to AuthBroker (strangler) and retire it later?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md \"Tests\" section (lines 35-37) and \"Existing contracts retained\" (lines 23-25).\nELI10: legacyAuthFlow() is the code that logs people in today. The plan rewrites it in the same PR that introduces five new classes, and says the new tests won't check that it still behaves the same. That's the single riskiest line in the plan. A strangler approach keeps the old function's signature and callers, makes its body call the new AuthBroker, and lets you delete it in a later PR once production proves the new path matches. This question is about scope (rewrite now vs. adapter now, delete later); the regression-test contract itself is a separate decision in the Test review.\nStakes if we pick wrong: full rewrite with no safety net = tenants locked out or, worse, cross-tenant access with no test to catch it; over-cautious = one extra small PR.\nRecommendation: B because a strangler adapter keeps every existing caller and its behavior pinned while the new path proves itself, and the eventual delete is a 5-minute PR.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Full rewrite of legacyAuthFlow() in this PR (as planned)\n ✅ One less transitional layer; the codebase ends the PR with no legacy shim\n ✅ Fewer files to touch a second time in a follow-up\n ❌ Rewrites the live login path in the same diff as 5 new classes and 12 files; a regression has many suspects\n ❌ Every existing caller of legacyAuthFlow() changes behavior at once with no canary\nB) Strangler: keep legacyAuthFlow() signature, body delegates to AuthBroker; delete in a follow-up PR (recommended)\n ✅ Existing callers and their observable behavior stay pinned; the adapter is the natural place for a compatibility regression test\n ✅ Rollback is one function body, not 12 files (human: ~2h / CC: ~10 min for the adapter)\n ❌ Temporary shim lives in the codebase for one release; someone must open the delete PR\nC) Leave legacyAuthFlow() untouched; new services run alongside it\n ✅ Zero risk to current logins\n ❌ Two parallel auth paths in production with one shared cache; divergence is the real long-term hazard\nNet: trading one transitional shim for a login path you can roll back in one function.": "B) Strangler adapter (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-16T23:06:40.465Z"
|
||||
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||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Should RequestPolicy be a class, or a pure function module?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 9-13 (\"It adds no policy, network call, cache mutation or state. Its separate class boundary remains a proposal to review.\").\nELI10: The plan author describes RequestPolicy as: take claims plus tenant/request context, return allow or deny, hold no state, make no calls. That is the definition of a pure function. Wrapping it in a class adds a constructor, an instance to pass around, and a mock in every AuthBroker test, for zero behavioral gain. A `requestPolicy.ts` exporting `decide(claims, ctx): Decision` keeps the same boundary (own file, own tests) with fewer moving parts. Feature choices, contracts and other fixes are unchanged by this question; it is structure only.\nStakes if we pick wrong: class = one more thing to instantiate and mock everywhere forever; function = if policy later needs injected config, you refactor a file, which is cheap.\nRecommendation: B because a stateless single-method class is a function with ceremony; the plan author already flagged the boundary as questionable, and the file boundary gives the same testability.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) RequestPolicy as a class (as planned)\n ✅ Symmetric with the other four classes; one construction pattern across the module\n ✅ Easy to swap via constructor injection if policy ever needs configuration or a strategy\n ❌ Stateless single-method class: instance + mock in every AuthBroker test for no behavioral gain\n ❌ Adds to a 5-class count that already tripped the complexity gate\nB) Pure function module `requestPolicy.ts` exporting `decide(claims, ctx)` (recommended)\n ✅ Same isolation and unit-testability (own file, table-driven tests), zero instantiation or mocking ceremony\n ✅ Reduces new classes from 5 to 4; \"explicit over clever\" and matches the author's own description (human: ~1h / CC: ~5 min)\n ❌ If policy later needs injected config, callers change from a free function to an injected dependency (small, mechanical refactor)\nNet: trading class symmetry for one fewer moving part in an already-heavy diff.",
|
||||
"header": "D3 RequestPolicy",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "B) Pure function module (recommended)",
|
||||
"description": "requestPolicy.ts exports decide(claims, ctx): allow|deny. Own file, own table-driven tests, no instance to construct or mock. New class count drops 5 to 4. Effort: human ~1h / CC ~5 min."
|
||||
},
|
||||
{
|
||||
"label": "A) Keep as a class",
|
||||
"description": "RequestPolicy stays a class as planned. Symmetric with the other services and swappable via constructor injection, at the cost of an instance and a mock in every AuthBroker test."
|
||||
}
|
||||
]
|
||||
}
|
||||
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||||
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||||
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||||
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|
||||
"D3 — Should RequestPolicy be a class, or a pure function module?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 9-13 (\"It adds no policy, network call, cache mutation or state. Its separate class boundary remains a proposal to review.\").\nELI10: The plan author describes RequestPolicy as: take claims plus tenant/request context, return allow or deny, hold no state, make no calls. That is the definition of a pure function. Wrapping it in a class adds a constructor, an instance to pass around, and a mock in every AuthBroker test, for zero behavioral gain. A `requestPolicy.ts` exporting `decide(claims, ctx): Decision` keeps the same boundary (own file, own tests) with fewer moving parts. Feature choices, contracts and other fixes are unchanged by this question; it is structure only.\nStakes if we pick wrong: class = one more thing to instantiate and mock everywhere forever; function = if policy later needs injected config, you refactor a file, which is cheap.\nRecommendation: B because a stateless single-method class is a function with ceremony; the plan author already flagged the boundary as questionable, and the file boundary gives the same testability.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) RequestPolicy as a class (as planned)\n ✅ Symmetric with the other four classes; one construction pattern across the module\n ✅ Easy to swap via constructor injection if policy ever needs configuration or a strategy\n ❌ Stateless single-method class: instance + mock in every AuthBroker test for no behavioral gain\n ❌ Adds to a 5-class count that already tripped the complexity gate\nB) Pure function module `requestPolicy.ts` exporting `decide(claims, ctx)` (recommended)\n ✅ Same isolation and unit-testability (own file, table-driven tests), zero instantiation or mocking ceremony\n ✅ Reduces new classes from 5 to 4; \"explicit over clever\" and matches the author's own description (human: ~1h / CC: ~5 min)\n ❌ If policy later needs injected config, callers change from a free function to an injected dependency (small, mechanical refactor)\nNet: trading class symmetry for one fewer moving part in an already-heavy diff.": "B) Pure function module (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-16T23:07:07.046Z"
|
||||
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|
||||
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|
||||
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|
||||
{
|
||||
"question": "D4 — TokenStore has no stated responsibility in the plan. Define its boundary before building it, fold it into AuthCache, or keep it as-is?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md line 44 (\"5 new classes (AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy)\") is the only mention of TokenStore.\nELI10: Four of the five new classes get at least a sentence describing what they do. TokenStore gets its name and nothing else. AuthCache is already described as the facade over the existing token cache adapter, keyed by tenant/issuer/audience/policy version. If TokenStore also stores tokens, that's two classes over one backing cache, which is exactly how tenant-key rules drift apart. If it's something else (say, refresh-token persistence or a per-request holder), the plan needs to say so before someone builds it.\nStakes if we pick wrong: two token-holding abstractions over one adapter = duplicated tenant-key logic and a real cross-tenant leak surface; over-asking = one paragraph added to the plan.\nRecommendation: A because you cannot approve or cut a class nobody has described; a bounded plan amendment (one paragraph: responsibility, owner of tenant keys, relationship to AuthCache) settles it in minutes and the class stays pending until then.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Require a responsibility statement in the plan before TokenStore is built; class stays pending (recommended)\n ✅ Forces the overlap-with-AuthCache question to be answered on paper, where it costs a paragraph instead of a leak\n ✅ Approves nothing prematurely; if the statement shows it duplicates AuthCache, folding is a one-line follow-up decision (human: ~30 min / CC: ~2 min)\n ❌ Adds one round-trip with the plan author before implementation of that class can start\nB) Fold TokenStore into AuthCache now\n ✅ One class over one backing cache; tenant-key rules live in exactly one place\n ❌ Assumes TokenStore is a cache duplicate; if it holds a distinct responsibility (e.g. refresh-token persistence) you've just merged two concerns\nC) Keep TokenStore as planned, undefined\n ✅ No plan churn, implementation starts immediately\n ❌ Ships a class whose contract nobody wrote down, next to a cache that owns the same nouns\nNet: trading one paragraph of plan text for not guessing what a security-adjacent class does.",
|
||||
"header": "D4 TokenStore",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Define before build (recommended)",
|
||||
"description": "Plan amendment required: one paragraph stating TokenStore's responsibility, who owns tenant-key logic, and its relationship to AuthCache. Class stays pending until written. Approves no implementation. Effort: human ~30 min / CC ~2 min."
|
||||
},
|
||||
{
|
||||
"label": "B) Fold into AuthCache",
|
||||
"description": "Merge TokenStore into AuthCache now. One class over one backing cache. Assumes TokenStore duplicates caching; wrong if it carries a distinct concern."
|
||||
},
|
||||
{
|
||||
"label": "C) Keep as planned",
|
||||
"description": "Build TokenStore with its current (absent) description. No plan churn; contract stays unwritten next to a cache owning the same nouns."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
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|
||||
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|
||||
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|
||||
"D4 — TokenStore has no stated responsibility in the plan. Define its boundary before building it, fold it into AuthCache, or keep it as-is?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md line 44 (\"5 new classes (AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy)\") is the only mention of TokenStore.\nELI10: Four of the five new classes get at least a sentence describing what they do. TokenStore gets its name and nothing else. AuthCache is already described as the facade over the existing token cache adapter, keyed by tenant/issuer/audience/policy version. If TokenStore also stores tokens, that's two classes over one backing cache, which is exactly how tenant-key rules drift apart. If it's something else (say, refresh-token persistence or a per-request holder), the plan needs to say so before someone builds it.\nStakes if we pick wrong: two token-holding abstractions over one adapter = duplicated tenant-key logic and a real cross-tenant leak surface; over-asking = one paragraph added to the plan.\nRecommendation: A because you cannot approve or cut a class nobody has described; a bounded plan amendment (one paragraph: responsibility, owner of tenant keys, relationship to AuthCache) settles it in minutes and the class stays pending until then.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Require a responsibility statement in the plan before TokenStore is built; class stays pending (recommended)\n ✅ Forces the overlap-with-AuthCache question to be answered on paper, where it costs a paragraph instead of a leak\n ✅ Approves nothing prematurely; if the statement shows it duplicates AuthCache, folding is a one-line follow-up decision (human: ~30 min / CC: ~2 min)\n ❌ Adds one round-trip with the plan author before implementation of that class can start\nB) Fold TokenStore into AuthCache now\n ✅ One class over one backing cache; tenant-key rules live in exactly one place\n ❌ Assumes TokenStore is a cache duplicate; if it holds a distinct responsibility (e.g. refresh-token persistence) you've just merged two concerns\nC) Keep TokenStore as planned, undefined\n ✅ No plan churn, implementation starts immediately\n ❌ Ships a class whose contract nobody wrote down, next to a cache that owns the same nouns\nNet: trading one paragraph of plan text for not guessing what a security-adjacent class does.": "A) Define before build (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T23:07:29.113Z"
|
||||
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|
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||||
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|
||||
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|
||||
{
|
||||
"question": "D5 — Share AuthCache by constructing it once at a composition root and injecting it, or keep the module-level mutable export?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 28-29.\nELI10: Two services need the same cache. The plan does this by exporting one mutable object from a module and having both services import it. That works until you test it: every unit test in the process shares that same object, so a test that puts tenant A's token in the cache silently affects the next test, and you cannot hand AuthBroker a fake cache without monkey-patching the module. Injection means: build the one AuthCache in a single startup file, pass it into both constructors. Same single instance in production, but tests construct their own. This question is only about the sharing mechanism; the single-backing-cache and tenant-key contracts stay exactly as the plan states.\nStakes if we pick wrong: module export = flaky auth tests that pass alone and fail in suite, and cross-test tenant bleed that looks like a real leak; injection = two constructor params and one bootstrap file.\nRecommendation: A because it is the standard remedy [Layer 1], costs two constructor parameters, and makes the tenant-isolation tests in the Test review actually trustworthy.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Composition-root injection (recommended)\n ✅ Every test constructs its own AuthCache over a fake adapter; no shared process state, no reset hooks, no module mocking\n ✅ Production still has exactly one instance, created once at startup, satisfying the one-backing-cache contract (human: ~half day / CC: ~10 min)\n ❌ One more file (the root) and explicit wiring in the legacyAuthFlow adapter\nB) Keep module-level mutable export (as planned)\n ✅ Zero wiring; any module can import the cache\n ✅ Smallest possible diff for this concern\n ❌ Process-global mutable state shared by every test and every request path; tenant bleed between tests is indistinguishable from a real leak\n ❌ Cannot substitute a fake cache without module mocking, which couples tests to the import graph\nNet: trading two constructor parameters for auth tests you can trust.",
|
||||
"header": "D5 AuthCache DI",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Composition-root injection (recommended)",
|
||||
"description": "Construct AuthCache once in a composition root (auth/index.ts or app bootstrap) and pass it to new AuthBroker(cache) and new SessionMint(cache). No module-level mutable export. Tests build their own instance over a fake adapter. Effort: human ~half day / CC ~10 min."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep module-level export",
|
||||
"description": "Keep the module-level mutable AuthCache export imported by both services as planned. Zero wiring, but process-global state shared by all tests and requests; fakes require module mocking."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
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|
||||
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|
||||
"answers": {
|
||||
"D5 — Share AuthCache by constructing it once at a composition root and injecting it, or keep the module-level mutable export?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 28-29.\nELI10: Two services need the same cache. The plan does this by exporting one mutable object from a module and having both services import it. That works until you test it: every unit test in the process shares that same object, so a test that puts tenant A's token in the cache silently affects the next test, and you cannot hand AuthBroker a fake cache without monkey-patching the module. Injection means: build the one AuthCache in a single startup file, pass it into both constructors. Same single instance in production, but tests construct their own. This question is only about the sharing mechanism; the single-backing-cache and tenant-key contracts stay exactly as the plan states.\nStakes if we pick wrong: module export = flaky auth tests that pass alone and fail in suite, and cross-test tenant bleed that looks like a real leak; injection = two constructor params and one bootstrap file.\nRecommendation: A because it is the standard remedy [Layer 1], costs two constructor parameters, and makes the tenant-isolation tests in the Test review actually trustworthy.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Composition-root injection (recommended)\n ✅ Every test constructs its own AuthCache over a fake adapter; no shared process state, no reset hooks, no module mocking\n ✅ Production still has exactly one instance, created once at startup, satisfying the one-backing-cache contract (human: ~half day / CC: ~10 min)\n ❌ One more file (the root) and explicit wiring in the legacyAuthFlow adapter\nB) Keep module-level mutable export (as planned)\n ✅ Zero wiring; any module can import the cache\n ✅ Smallest possible diff for this concern\n ❌ Process-global mutable state shared by every test and every request path; tenant bleed between tests is indistinguishable from a real leak\n ❌ Cannot substitute a fake cache without module mocking, which couples tests to the import graph\nNet: trading two constructor parameters for auth tests you can trust.": "A) Composition-root injection (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T23:08:59.413Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "ad1b5c99-3d17-4e0a-b14d-36e9f3188c9b",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 — Flatten validateAndDispatch() into named steps with one explicit error boundary, or keep the three nested swallowing try/catch blocks?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 32-33.\nELI10: The function that decides whether a request gets in is 60 lines with three try/catch blocks nested inside each other, and each one catches an error and quietly drops it. In an auth path, a silently swallowed error is how a validation failure turns into an allow. Flattening means: split it into validate, decide, dispatch as three small named functions, and put one try/catch at the top that maps each known error class to an explicit outcome and rethrows anything unknown. Same observable behavior for callers today (that is what the regression tests in the Test review pin); what changes is that nothing disappears silently. This is the \"make the change easy\" step that the deferred Promise.all work (D1) needs anyway.\nStakes if we pick wrong: keep nesting = the deferred parallelization has to thread Promise.all rejections through three swallow sites, and the next person cannot tell which catch turned a deny into an allow; flatten = one day of careful work with the regression suite as the net.\nRecommendation: A because the plan already introduces a 60-line function with three silent swallows into an auth path, and explicit-over-clever is the stated preference; with regression tests pinning outcomes, the flatten is low-risk and unblocks D1's follow-up.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Flatten into validate / decide / dispatch with one typed error boundary (recommended)\n ✅ Every error class has one visible mapping to an outcome; unknown errors rethrow instead of vanishing (human: ~1 day / CC: ~15 min)\n ✅ Each step is unit-testable alone; the Promise.all follow-up lands on one boundary instead of three\n ❌ Touches the heart of the auth path; relies on the R7 regression suite existing first\nB) Keep nested structure, add a test per swallowed error class\n ✅ Pins today's behavior with minimal code change (human: ~half day / CC: ~10 min)\n ✅ Lower risk in this PR\n ❌ Leaves three silent swallow sites in an auth path and makes the D1 follow-up harder\nC) Do nothing\n ✅ Zero effort\n ❌ Ships 60 lines of nested swallowing into a fresh class with no tests on the swallow paths\nNet: trading one day behind a regression net for an auth path where no error disappears silently.",
|
||||
"header": "D6 Error handling",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Flatten with typed boundary (recommended)",
|
||||
"description": "Split validateAndDispatch() into validate(), requestPolicy.decide(), dispatch(); one try/catch at the boundary maps each known error class to its current observable outcome (pinned by regression tests), logs where a swallow was silent, rethrows unknown errors. Completeness 10/10. Effort: human ~1 day / CC ~15 min."
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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"D6 — Flatten validateAndDispatch() into named steps with one explicit error boundary, or keep the three nested swallowing try/catch blocks?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 32-33.\nELI10: The function that decides whether a request gets in is 60 lines with three try/catch blocks nested inside each other, and each one catches an error and quietly drops it. In an auth path, a silently swallowed error is how a validation failure turns into an allow. Flattening means: split it into validate, decide, dispatch as three small named functions, and put one try/catch at the top that maps each known error class to an explicit outcome and rethrows anything unknown. Same observable behavior for callers today (that is what the regression tests in the Test review pin); what changes is that nothing disappears silently. This is the \"make the change easy\" step that the deferred Promise.all work (D1) needs anyway.\nStakes if we pick wrong: keep nesting = the deferred parallelization has to thread Promise.all rejections through three swallow sites, and the next person cannot tell which catch turned a deny into an allow; flatten = one day of careful work with the regression suite as the net.\nRecommendation: A because the plan already introduces a 60-line function with three silent swallows into an auth path, and explicit-over-clever is the stated preference; with regression tests pinning outcomes, the flatten is low-risk and unblocks D1's follow-up.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Flatten into validate / decide / dispatch with one typed error boundary (recommended)\n ✅ Every error class has one visible mapping to an outcome; unknown errors rethrow instead of vanishing (human: ~1 day / CC: ~15 min)\n ✅ Each step is unit-testable alone; the Promise.all follow-up lands on one boundary instead of three\n ❌ Touches the heart of the auth path; relies on the R7 regression suite existing first\nB) Keep nested structure, add a test per swallowed error class\n ✅ Pins today's behavior with minimal code change (human: ~half day / CC: ~10 min)\n ✅ Lower risk in this PR\n ❌ Leaves three silent swallow sites in an auth path and makes the D1 follow-up harder\nC) Do nothing\n ✅ Zero effort\n ❌ Ships 60 lines of nested swallowing into a fresh class with no tests on the swallow paths\nNet: trading one day behind a regression net for an auth path where no error disappears silently.": "A) Flatten with typed boundary (recommended)"
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"question": "D7 — How should the legacyAuthFlow() regression contract be covered: full characterization matrix with a differential harness and one E2E login, or adapter contract tests on the main paths only?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 23-25 and 36-37.\nELI10: You approved keeping legacyAuthFlow() as a thin adapter (D2). Now: how do you prove the adapter behaves exactly like the old function? The strong way is to write tests against the OLD code first, capturing what it returns or throws for every kind of token (valid, expired, revoked, wrong tenant, wrong audience, suspended tenant, each IDP error), then swap in the adapter and run the same tests unchanged. Add one real end-to-end login so mocking cannot hide a wiring mistake. The weak way is to test four common cases after the fact. This is an auth boundary in a multi-tenant system; the case you skip is the cross-tenant one.\nStakes if we pick wrong: thin coverage = a wrong-tenant or revoked-token path silently changes behavior and the first signal is a customer; full coverage = about 30 CC-minutes of test writing.\nRecommendation: A because this is the single P1 the plan author already flagged, the matrix is cheap with AI, and characterization-before-change is the only way a refactor can prove \"same behavior.\"\nCompleteness: A=10/10, B=7/10\nPros / cons:\nA) Full characterization matrix + differential harness + one E2E login (recommended)\n ✅ Tests written against current code first, so \"same behavior\" is proven, not asserted; covers cross-tenant, revocation, suspension, and all three swallowed error classes (human: ~3 days / CC: ~30 min)\n ✅ The same suite protects the D6 flatten and the deferred D1 parallelization PR\n ❌ Largest test-writing effort in the plan; the differential harness is deleted with the adapter\nB) Adapter contract tests on main paths only\n ✅ Fast to write, covers the paths most logins take (human: ~1 day / CC: ~10 min)\n ✅ No throwaway differential harness\n ❌ Leaves wrong-issuer, wrong-audience, revoked, suspended, stale-policy and the swallowed error classes unpinned in a tenant-isolation boundary\nNet: trading 30 CC-minutes for proof that a multi-tenant auth refactor changed nothing.",
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||||
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||||
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|
||||
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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"D7 — How should the legacyAuthFlow() regression contract be covered: full characterization matrix with a differential harness and one E2E login, or adapter contract tests on the main paths only?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 23-25 and 36-37.\nELI10: You approved keeping legacyAuthFlow() as a thin adapter (D2). Now: how do you prove the adapter behaves exactly like the old function? The strong way is to write tests against the OLD code first, capturing what it returns or throws for every kind of token (valid, expired, revoked, wrong tenant, wrong audience, suspended tenant, each IDP error), then swap in the adapter and run the same tests unchanged. Add one real end-to-end login so mocking cannot hide a wiring mistake. The weak way is to test four common cases after the fact. This is an auth boundary in a multi-tenant system; the case you skip is the cross-tenant one.\nStakes if we pick wrong: thin coverage = a wrong-tenant or revoked-token path silently changes behavior and the first signal is a customer; full coverage = about 30 CC-minutes of test writing.\nRecommendation: A because this is the single P1 the plan author already flagged, the matrix is cheap with AI, and characterization-before-change is the only way a refactor can prove \"same behavior.\"\nCompleteness: A=10/10, B=7/10\nPros / cons:\nA) Full characterization matrix + differential harness + one E2E login (recommended)\n ✅ Tests written against current code first, so \"same behavior\" is proven, not asserted; covers cross-tenant, revocation, suspension, and all three swallowed error classes (human: ~3 days / CC: ~30 min)\n ✅ The same suite protects the D6 flatten and the deferred D1 parallelization PR\n ❌ Largest test-writing effort in the plan; the differential harness is deleted with the adapter\nB) Adapter contract tests on main paths only\n ✅ Fast to write, covers the paths most logins take (human: ~1 day / CC: ~10 min)\n ✅ No throwaway differential harness\n ❌ Leaves wrong-issuer, wrong-audience, revoked, suspended, stale-policy and the swallowed error classes unpinned in a tenant-isolation boundary\nNet: trading 30 CC-minutes for proof that a multi-tenant auth refactor changed nothing.": "A) Full characterization + E2E (recommended)"
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||||
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|
||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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"D8 — Record \"coalesce concurrent same-key cache misses\" as a TODO, skip it, or build it in this PR?\nProject/branch/task: main — Multi-tenant Auth Refactor, PLAN.md lines 19 and 40.\nELI10: When a tenant's cached token expires and 50 of their users hit the API in the same second, every one of those requests misses the cache and each makes 5 calls to the identity provider: 250 calls for one tenant in one second. The plan says the cache deliberately does not serialize writes, so nothing stops this today. Fixing it (one in-flight promise per cache key) is a behavior change, so it does not belong in a \"no behavior change\" refactor. The question is whether to write it down so it gets done after.\nStakes if we pick wrong: skip = the thundering-herd cost stays invisible until a big tenant's IDP rate-limits you; build now = behavior change hidden in a structural refactor.\nRecommendation: A because it is real, cheap to record, and wrong to build in this PR.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Add to TODOS.md (recommended)\n ✅ Captures the problem with enough context to pick up after the D1 parallelization lands, where it belongs\n ✅ Zero risk to this refactor's \"same behavior\" contract (human: ~10 min / CC: ~1 min)\n ❌ TODOS.md cannot be written in this session (plan-mode restriction); the entry is presented as not persisted until you add it\nB) Skip\n ✅ Nothing to track\n ❌ Known IDP burst cost with no owner\nC) Build now in this PR\n ✅ Fixes the burst in the same release\n ❌ Changes IDP call count under concurrency inside a refactor that promises no behavior change; collides with D1's deferral reasoning\nNet: trading one TODO line for not forgetting a 50x IDP burst.": "A) Add to TODOS.md (recommended)"
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"D9 — Next step after this engineering review?\nProject/branch/task: main — Multi-tenant Auth Refactor, reviewed plan saved with ENG CLEARED.\nELI10: The review is done and saved. This is navigation only: it approves no implementation change. The working plan's order is T1 (characterization tests) before T5 (adapter); T2/T3 are independent lanes; TokenStore code waits on the plan paragraph (T6).\nStakes if we pick wrong: none; this only chooses what happens next.\nRecommendation: C because no UI scope exists and this is a behavior-preserving refactor, so design and CEO reviews do not apply.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nC) Ready to implement — run /ship when done (recommended)\n ✅ All relevant reviews are complete; tasks T1–T7 and 5 worktree lanes are in the report\n ✅ Follow-up PRs (Promise.all, adapter delete) are recorded with owners in the TODO list\n ❌ Outside-voice coverage is disabled; re-enable codex_reviews if you want a second model's read first\nNet: the plan is ready; the only open items are by design (TokenStore paragraph, follow-up PRs).": "C) Ready to implement (recommended)"
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"report": "# Reviewed Implementation Plan: Multi-tenant Auth Refactor\n\nReview target: `PLAN.md` (\"Plan: Multi-tenant Auth Refactor\") in repo `gstack-plan-count-izp3S5`, branch `main`, commit 2331049.\nReviewed by: /plan-eng-review (Claude, host: claude) on 2026-09-16.\nRepo evidence: the repository contains only `PLAN.md` and `CLAUDE.md`. No source, tests, or test framework are present, so all \"runtime evidence\" below is **unknown** unless the plan text itself states it.\n\n---\n\n## Original plan (unchanged copy)\n\n# Plan: Multi-tenant Auth Refactor\n\n## Context supplied by the plan author\nThe goal is to reorganize existing tenant-auth orchestration without changing\nits product behavior. RequestPolicy groups the existing per-request access\ndecision: given already-fetched claims and tenant/request context, it returns\nallow or deny under the existing access policy. AuthBroker.validateAndDispatch()\ncalls it after validation and before dispatch. It adds no policy, network call,\ncache mutation or state. Its separate class boundary remains a proposal to review.\n\n## Existing contracts retained\nThe existing cache adapter keys entries by tenant ID, issuer, audience,\nand policy version. It evicts expired tokens and invalidates entries on\nlogout, token revocation, or tenant suspension. AuthCache retains these\nunchanged validity and tenant-key rules; they do not serialize mutations.\nAuthCache is a service-facing facade over that same existing adapter,\nwith one backing cache. The adapter, its invalidation hooks, and their\nexisting tests remain in use unchanged.\nUnit and integration coverage is planned for the new components and their\nsuccess/error paths. That coverage does not exercise legacyAuthFlow() or\nassert compatibility with its prior behavior.\n\n## Architecture\nTwo new services (`AuthBroker` and `SessionMint`) share a global mutable\n`AuthCache` instance via module-level export. Both services mutate it.\n\n## Code quality\nThe `validateAndDispatch()` function is 60 lines with three nested\ntry/catch blocks; each catch swallows a different error class.\n\n## Tests\nThe existing `legacyAuthFlow()` will get rewritten as part of this work;\nno regression test for the prior behavior is planned.\n\n## Performance\nToken validation issues 5 sequential API calls to the IDP; they could be\nparallelized via Promise.all trivially (calls are independent).\n\n## Architecture (scope smell)\nThis touches 12 files and introduces 5 new classes (AuthBroker, TokenStore,\nSessionMint, AuthCache, RequestPolicy). Worth flagging the complexity check.\n\n---\n\n## Step 0: Scope Challenge\n\n**Complexity gate:** triggered (12 files, 5 new classes; threshold 8+ files or 2+ classes). Resolved via D1-D4 below. Result: **scope reduced per recommendation.**\n\n**Scope Challenge answers**\n\n1. *What existing code partly or fully solves each sub-problem?* The existing cache adapter (tenant/issuer/audience/policy-version keys, expiry eviction, logout/revocation/suspension invalidation hooks, and its tests) already solves caching and invalidation; the plan reuses it unchanged behind AuthCache. `legacyAuthFlow()` already solves login orchestration end to end; it is the behavior the refactor must preserve. No source is present in this repo to verify either (runtime evidence: unknown).\n2. *Minimum changes to achieve the goal?* The stated goal is \"reorganize orchestration without changing product behavior.\" The minimum is: introduce AuthBroker + SessionMint over the existing adapter (via AuthCache), make `legacyAuthFlow()` delegate to them, prove equivalence. Parallelization (behavioral) and a full `legacyAuthFlow()` rewrite (unpinned) are creep relative to that goal.\n3. *Complexity check:* 12 files / 5 classes → after D3 and D4: 3 confirmed classes (AuthBroker, SessionMint, AuthCache) + 1 function module (`requestPolicy.ts`) + 1 class pending definition (TokenStore).\n4. *Search check:* Aside not installed; host WebSearch used for the one new architectural pattern (module-level shared mutable singleton). Standard practice: **[Layer 1]** construct shared state once at a composition root and inject it; module-level mutable singletons leak state between tests and requests. Sources: openreplay.com/singletons-javascript-tool-trap, patterns.dev/vanilla/singleton-pattern, thelazyweb.dev/modules. No custom work found that replaces an available built-in; Promise.all is stdlib (deferred by D1, not cut).\n5. *TODOS cross-reference:* no `TODOS.md` in the repo. 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"question": "D1 — How many moving parts should this refactor introduce?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), a reorganization that promises no product behavior change.\nELI10: The plan adds five new classes across twelve files to move code around without changing what users can do. Two of the five look like they do nothing on their own: AuthCache is described as a pass-through over the existing cache adapter (PLAN.md:20-22), and RequestPolicy is a stateless allow/deny function wearing a class (PLAN.md:9-13). A third, TokenStore, is named only in the scope list (PLAN.md:44-45) and has no description anywhere in the plan. Every extra layer is one more place a 3am bug can hide and one more file the next engineer has to read before touching auth.\nStakes if we pick wrong: Too many layers and the 'refactor' ships more surface area than it removes, with a wrapper class nobody can explain in six months; too few and two services share cache plumbing with no seam for tests.\nRecommendation: B because a behavior-preserving refactor should net out simpler than what it replaces, and the two services plus one pure function are the only parts the plan actually describes doing work.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Keep all 5 classes as planned (human: ~3 days / CC: ~45 min)\n ✅ Matches the author's mental model; every named concept gets its own file and test suite\n ✅ AuthCache gives one place to later add service-facing behavior if it ever grows\n ❌ Two of five classes add no logic today; TokenStore is undefined, so its scope is unbounded\n ❌ 12 files for a no-behavior-change refactor is the largest diff for the least user-visible gain\nB) 3 units: AuthBroker + SessionMint classes, RequestPolicy as a pure function, no AuthCache facade, TokenStore dropped unless defined (recommended) (human: ~1.5 days / CC: ~25 min)\n ✅ Both services depend on the existing tested adapter directly; the facade's 'unchanged rules' promise becomes true by construction\n ✅ decideAccess(claims, ctx) as an exported function is trivially unit-testable and cannot accumulate hidden state\n ✅ Roughly 7-8 files instead of 12; the adapter, its hooks and its tests stay untouched as the plan already requires\n ❌ If TokenStore had a real job (e.g. refresh-token persistence), the author must write it down before it can come back\n ❌ Services touch the adapter interface directly, so an adapter signature change later touches two callers instead of one\nC) 4 units: as B but keep AuthCache as a thin facade (human: ~2 days / CC: ~30 min)\n ✅ One narrow interface for both services; the adapter can change behind it without touching AuthBroker or SessionMint\n ✅ RequestPolicy still collapses to a function and TokenStore still needs a definition before it exists\n ❌ The facade is pass-through today, so its tests would only prove it forwards calls; premature abstraction until a second backing cache exists\n ❌ Adds a layer whose invalidation semantics must be re-documented even though the plan says they are unchanged\nNet: You are trading a seam you might need later (AuthCache) against a smaller, more explainable diff now; how the cache is shared (module export vs injection) is decided separately in the Architecture section under every option.",
|
||||
"header": "Structure",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "B) 3 units, no facade (recommended)",
|
||||
"description": "AuthBroker + SessionMint classes; RequestPolicy becomes an exported pure function decideAccess(claims, ctx); no AuthCache facade, both services use the existing adapter directly; TokenStore is dropped unless the author supplies a responsibility the adapter lacks. ~7-8 files. human: ~1.5 days / CC: ~25 min."
|
||||
},
|
||||
{
|
||||
"label": "A) Keep all 5 classes",
|
||||
"description": "AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy as separate classes across 12 files, exactly as PLAN.md proposes. TokenStore still needs a written responsibility. human: ~3 days / CC: ~45 min."
|
||||
},
|
||||
{
|
||||
"label": "C) 4 units, keep thin facade",
|
||||
"description": "Same as B but retain AuthCache as a thin service-facing facade over the adapter (one backing cache). RequestPolicy still a pure function; TokenStore still needs a definition. human: ~2 days / CC: ~30 min."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 — How many moving parts should this refactor introduce?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), a reorganization that promises no product behavior change.\nELI10: The plan adds five new classes across twelve files to move code around without changing what users can do. Two of the five look like they do nothing on their own: AuthCache is described as a pass-through over the existing cache adapter (PLAN.md:20-22), and RequestPolicy is a stateless allow/deny function wearing a class (PLAN.md:9-13). A third, TokenStore, is named only in the scope list (PLAN.md:44-45) and has no description anywhere in the plan. Every extra layer is one more place a 3am bug can hide and one more file the next engineer has to read before touching auth.\nStakes if we pick wrong: Too many layers and the 'refactor' ships more surface area than it removes, with a wrapper class nobody can explain in six months; too few and two services share cache plumbing with no seam for tests.\nRecommendation: B because a behavior-preserving refactor should net out simpler than what it replaces, and the two services plus one pure function are the only parts the plan actually describes doing work.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Keep all 5 classes as planned (human: ~3 days / CC: ~45 min)\n ✅ Matches the author's mental model; every named concept gets its own file and test suite\n ✅ AuthCache gives one place to later add service-facing behavior if it ever grows\n ❌ Two of five classes add no logic today; TokenStore is undefined, so its scope is unbounded\n ❌ 12 files for a no-behavior-change refactor is the largest diff for the least user-visible gain\nB) 3 units: AuthBroker + SessionMint classes, RequestPolicy as a pure function, no AuthCache facade, TokenStore dropped unless defined (recommended) (human: ~1.5 days / CC: ~25 min)\n ✅ Both services depend on the existing tested adapter directly; the facade's 'unchanged rules' promise becomes true by construction\n ✅ decideAccess(claims, ctx) as an exported function is trivially unit-testable and cannot accumulate hidden state\n ✅ Roughly 7-8 files instead of 12; the adapter, its hooks and its tests stay untouched as the plan already requires\n ❌ If TokenStore had a real job (e.g. refresh-token persistence), the author must write it down before it can come back\n ❌ Services touch the adapter interface directly, so an adapter signature change later touches two callers instead of one\nC) 4 units: as B but keep AuthCache as a thin facade (human: ~2 days / CC: ~30 min)\n ✅ One narrow interface for both services; the adapter can change behind it without touching AuthBroker or SessionMint\n ✅ RequestPolicy still collapses to a function and TokenStore still needs a definition before it exists\n ❌ The facade is pass-through today, so its tests would only prove it forwards calls; premature abstraction until a second backing cache exists\n ❌ Adds a layer whose invalidation semantics must be re-documented even though the plan says they are unchanged\nNet: You are trading a seam you might need later (AuthCache) against a smaller, more explainable diff now; how the cache is shared (module export vs injection) is decided separately in the Architecture section under every option.": "B) 3 units, no facade (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T13:42:49.904Z"
|
||||
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|
||||
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|
||||
"sessionId": "5e16c19b-5af9-4810-901e-e8e44e447366",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 — How should the two services get hold of the one cache adapter?\nProject/branch/task: main — Multi-tenant Auth Refactor; D1 already settled on AuthBroker + SessionMint sharing the existing adapter directly.\nELI10: The plan wires both services to a single object that lives at the top of a module, so anything that imports the module can reach in and change it. That works until two tests run in the same process and one leaks a tenant's cached token into the next, or until a second app entry point (a worker, a CLI) imports the module and silently gets the same live cache. Passing the adapter in through each service's constructor makes the dependency visible in the signature, lets tests hand each service a throwaway fake, and keeps exactly one production instance because one bootstrap file creates it.\nStakes if we pick wrong: Cross-test token leakage in the auth suite (flaky or falsely green tests), and hidden coupling between every importer and one process-wide mutable cache.\nRecommendation: A because it is the standard fix for shared mutable module state, costs one constructor parameter per service, and makes the \"one backing cache\" promise a fact enforced by the composition root rather than by convention.\nCompleteness: A=10/10, B=3/10, C=6/10\nPros / cons:\nA) Constructor injection from one composition root (recommended) (human: ~2h / CC: ~5 min)\n ✅ Dependency is explicit in each service's signature; tests construct a fresh fake adapter per case\n ✅ Exactly one production instance is guaranteed by the bootstrap that creates and passes it\n ✅ Matches the search-check result: DI over module singletons for per-request mutable state [Layer 1]\n ❌ The existing bootstrap must be touched to construct and pass the adapter (one more file in the diff)\nB) Keep module-level export as planned (human: ~0 / CC: ~0)\n ✅ Smallest possible diff; both services just import the instance\n ✅ Familiar pattern in the codebase if other modules already do this\n ❌ Every importer shares one live mutable cache; test isolation requires module mocking or ordering luck\n ❌ A second entry point importing the module gets production cache behavior with no way to opt out\nC) Module-level export plus a test-only reset hook (human: ~1h / CC: ~3 min)\n ✅ Keeps the import-and-use ergonomics while giving tests a way to clear state between cases\n ✅ No bootstrap change needed\n ❌ Test-only code ships in production modules; forgetting to call the hook reintroduces cross-test leakage\n ❌ Still one process-wide instance, so the hidden-coupling problem is unchanged\nNet: You are trading one bootstrap edit for explicit dependencies and clean test isolation; B and C keep the diff smaller by leaving the shared-state problem in place.",
|
||||
"header": "Cache sharing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Constructor injection (recommended)",
|
||||
"description": "AuthBroker and SessionMint take the cache adapter as a constructor parameter. One composition root (the existing app bootstrap) constructs a single adapter instance and passes it to both. Tests construct each service with a fresh fake adapter. Completeness 10/10. human: ~2h / CC: ~5 min."
|
||||
},
|
||||
{
|
||||
"label": "B) Module-level export as planned",
|
||||
"description": "Export one adapter instance from a module; both services import it. No bootstrap change. Tests rely on module mocking or shared state. Completeness 3/10. human: ~0 / CC: ~0."
|
||||
},
|
||||
{
|
||||
"label": "C) Module export + test reset hook",
|
||||
"description": "As B, plus an exported __resetForTests() that clears the shared instance between tests. Test-only code in production module. Completeness 6/10. human: ~1h / CC: ~3 min."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 — How should the two services get hold of the one cache adapter?\nProject/branch/task: main — Multi-tenant Auth Refactor; D1 already settled on AuthBroker + SessionMint sharing the existing adapter directly.\nELI10: The plan wires both services to a single object that lives at the top of a module, so anything that imports the module can reach in and change it. That works until two tests run in the same process and one leaks a tenant's cached token into the next, or until a second app entry point (a worker, a CLI) imports the module and silently gets the same live cache. Passing the adapter in through each service's constructor makes the dependency visible in the signature, lets tests hand each service a throwaway fake, and keeps exactly one production instance because one bootstrap file creates it.\nStakes if we pick wrong: Cross-test token leakage in the auth suite (flaky or falsely green tests), and hidden coupling between every importer and one process-wide mutable cache.\nRecommendation: A because it is the standard fix for shared mutable module state, costs one constructor parameter per service, and makes the \"one backing cache\" promise a fact enforced by the composition root rather than by convention.\nCompleteness: A=10/10, B=3/10, C=6/10\nPros / cons:\nA) Constructor injection from one composition root (recommended) (human: ~2h / CC: ~5 min)\n ✅ Dependency is explicit in each service's signature; tests construct a fresh fake adapter per case\n ✅ Exactly one production instance is guaranteed by the bootstrap that creates and passes it\n ✅ Matches the search-check result: DI over module singletons for per-request mutable state [Layer 1]\n ❌ The existing bootstrap must be touched to construct and pass the adapter (one more file in the diff)\nB) Keep module-level export as planned (human: ~0 / CC: ~0)\n ✅ Smallest possible diff; both services just import the instance\n ✅ Familiar pattern in the codebase if other modules already do this\n ❌ Every importer shares one live mutable cache; test isolation requires module mocking or ordering luck\n ❌ A second entry point importing the module gets production cache behavior with no way to opt out\nC) Module-level export plus a test-only reset hook (human: ~1h / CC: ~3 min)\n ✅ Keeps the import-and-use ergonomics while giving tests a way to clear state between cases\n ✅ No bootstrap change needed\n ❌ Test-only code ships in production modules; forgetting to call the hook reintroduces cross-test leakage\n ❌ Still one process-wide instance, so the hidden-coupling problem is unchanged\nNet: You are trading one bootstrap edit for explicit dependencies and clean test isolation; B and C keep the diff smaller by leaving the shared-state problem in place.": "A) Constructor injection (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T13:45:07.797Z"
|
||||
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|
||||
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|
||||
"sessionId": "5e16c19b-5af9-4810-901e-e8e44e447366",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Should we check for a write-after-invalidation race before two services start writing to the cache?\nProject/branch/task: main — Multi-tenant Auth Refactor; AuthBroker and SessionMint both write to the one injected adapter (D1 → B, D2 → A).\nELI10: The cache clears a tenant's entries when that tenant is suspended, a token is revoked, or a user logs out. Nothing in the plan says what happens if a service finishes minting or validating a moment after that clear and then writes a fresh entry. If the adapter just stores whatever it is handed, a suspended tenant or revoked token could keep working until the entry expires. The plan already promises the adapter's rules are unchanged, but it doubles the number of writers, so this is the moment to find out what those rules actually are.\nStakes if we pick wrong: A revoked token or suspended tenant stays valid until TTL with no log line, which is a silent security failure; or we add a defensive recheck for a race the adapter already prevents.\nRecommendation: A because the risk is real but unconfirmed; reading the adapter's write path takes minutes and settles whether a guard is needed at all.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Investigate the adapter's write semantics first, guard only if unguarded (recommended) (human: ~2h / CC: ~10 min)\n ✅ Decides from evidence: quote the adapter's write and invalidation code in the plan before adding any mechanism\n ✅ If the adapter already guards by policy version or tenant status, no new code and no new test surface\n ❌ Adds a step before implementation can start; the plan carries an unknown until it is done\nB) Add a recheck-before-write in both services now (human: ~1 day / CC: ~20 min)\n ✅ Closes the window regardless of what the adapter does today\n ✅ Two small, testable guards with obvious failure-injection tests\n ❌ Possibly duplicates a guard the adapter already has; adds a second read per write on the hot path\n ❌ Puts invalidation logic in services when the plan says the adapter owns validity rules\nC) No guard, accept existing semantics (human: ~0 / CC: ~0)\n ✅ Zero added code; consistent with \"adapter rules unchanged\"\n ✅ If the legacy flow has the same window today, this is not a regression\n ❌ Ships two writers against an unverified assumption; a real window would fail silently\nNet: You are trading a short investigation now against either speculative defensive code or an unverified security assumption.",
|
||||
"header": "Cache race",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Investigate first (recommended)",
|
||||
"description": "Bounded probe before implementation: read the adapter's write path and its logout/revocation/suspension hooks; record in the plan whether writes are guarded by policy version or tenant status. Add a recheck-before-write in both services only if unguarded. human: ~2h / CC: ~10 min."
|
||||
},
|
||||
{
|
||||
"label": "B) Add recheck-before-write now",
|
||||
"description": "Both services re-read tenant status and policy version immediately before writing and skip the write if either changed. Guards regardless of adapter behavior. human: ~1 day / CC: ~20 min."
|
||||
},
|
||||
{
|
||||
"label": "C) No guard",
|
||||
"description": "Accept the adapter's existing semantics without checking. No new code. human: ~0 / CC: ~0."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Should we check for a write-after-invalidation race before two services start writing to the cache?\nProject/branch/task: main — Multi-tenant Auth Refactor; AuthBroker and SessionMint both write to the one injected adapter (D1 → B, D2 → A).\nELI10: The cache clears a tenant's entries when that tenant is suspended, a token is revoked, or a user logs out. Nothing in the plan says what happens if a service finishes minting or validating a moment after that clear and then writes a fresh entry. If the adapter just stores whatever it is handed, a suspended tenant or revoked token could keep working until the entry expires. The plan already promises the adapter's rules are unchanged, but it doubles the number of writers, so this is the moment to find out what those rules actually are.\nStakes if we pick wrong: A revoked token or suspended tenant stays valid until TTL with no log line, which is a silent security failure; or we add a defensive recheck for a race the adapter already prevents.\nRecommendation: A because the risk is real but unconfirmed; reading the adapter's write path takes minutes and settles whether a guard is needed at all.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Investigate the adapter's write semantics first, guard only if unguarded (recommended) (human: ~2h / CC: ~10 min)\n ✅ Decides from evidence: quote the adapter's write and invalidation code in the plan before adding any mechanism\n ✅ If the adapter already guards by policy version or tenant status, no new code and no new test surface\n ❌ Adds a step before implementation can start; the plan carries an unknown until it is done\nB) Add a recheck-before-write in both services now (human: ~1 day / CC: ~20 min)\n ✅ Closes the window regardless of what the adapter does today\n ✅ Two small, testable guards with obvious failure-injection tests\n ❌ Possibly duplicates a guard the adapter already has; adds a second read per write on the hot path\n ❌ Puts invalidation logic in services when the plan says the adapter owns validity rules\nC) No guard, accept existing semantics (human: ~0 / CC: ~0)\n ✅ Zero added code; consistent with \"adapter rules unchanged\"\n ✅ If the legacy flow has the same window today, this is not a regression\n ❌ Ships two writers against an unverified assumption; a real window would fail silently\nNet: You are trading a short investigation now against either speculative defensive code or an unverified security assumption.": "A) Investigate first (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T13:46:13.536Z"
|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — How should validateAndDispatch() handle the three error classes it currently swallows?\nProject/branch/task: main — Multi-tenant Auth Refactor; AuthBroker.validateAndDispatch() is the request-path entry point that calls decideAccess() between validation and dispatch.\nELI10: Today the function is 60 lines with a try/catch inside a try/catch inside a try/catch, and each one quietly eats a different kind of error. When something goes wrong at 3am, the request either fails with no log line or, worse, continues as if nothing happened. A flat sequence of three named steps with one error boundary at the end turns every failure into a named result (validation failed, access denied, dispatch failed) that gets logged with the tenant and reason and handed back to the caller. It also forces the plan to say what happens when the access decision is \"deny\", which it currently does not.\nStakes if we pick wrong: Silent auth failures that are impossible to debug from logs, and a deny path whose behavior is whatever the first implementer happens to write.\nRecommendation: A because a refactor is the moment to fix structure, swallowing auth errors is a security-grade bug not a style issue, and the flat form is shorter than what it replaces.\nCompleteness: A=10/10, B=7/10, C=0/10\nPros / cons:\nA) Flat pipeline with one boundary and typed outcomes (recommended) (human: ~1 day / CC: ~15 min)\n ✅ Every failure class becomes a named, logged outcome; nothing is swallowed and Denied is explicit\n ✅ Each step (validate, decideAccess, dispatch) is independently unit-testable; the function shrinks well under 60 lines\n ✅ Matches \"explicit over clever\": the caller sees exactly one result type to handle\n ❌ Callers of validateAndDispatch() must be updated to handle the typed outcome instead of relying on silent success\nB) Keep nesting, log and rethrow typed errors from each catch (human: ~3h / CC: ~8 min)\n ✅ Smaller structural change; stops the swallowing with three log-and-rethrow edits\n ✅ Callers see typed errors without a signature change\n ❌ Still three boundaries in one 60-line function; the nesting that made the bugs hard to see stays\n ❌ Deny handling is still unspecified\nC) Leave as is (human: ~0 / CC: ~0)\n ✅ No risk of changing observable behavior during the refactor\n ✅ Zero effort\n ❌ Ships known silent error swallowing in the auth path; the refactor preserves the worst part of the code it reorganizes\nNet: You are trading a caller-signature update for auth failures that are visible, typed and tested; B stops the bleeding without fixing the structure; C keeps a known bug.",
|
||||
"header": "Error handling",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Flat pipeline, typed outcomes (recommended)",
|
||||
"description": "validateAndDispatch() becomes a flat sequence of named steps (validate → decideAccess → dispatch) with one error boundary. Every failure maps to a typed outcome (ValidationFailed / Denied / DispatchFailed), each logged with tenant and reason; nothing swallowed. Callers updated to handle the outcome. Completeness 10/10. human: ~1 day / CC: ~15 min."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep nesting, log + rethrow typed errors",
|
||||
"description": "Keep the three try/catch blocks; each catch logs with tenant and reason and rethrows a typed error instead of swallowing. Deny handling still unspecified. Completeness 7/10. human: ~3h / CC: ~8 min."
|
||||
},
|
||||
{
|
||||
"label": "C) Leave as is",
|
||||
"description": "Preserve the 60-line nested structure and the swallowing catches. Completeness 0/10. human: ~0 / CC: ~0."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — How should validateAndDispatch() handle the three error classes it currently swallows?\nProject/branch/task: main — Multi-tenant Auth Refactor; AuthBroker.validateAndDispatch() is the request-path entry point that calls decideAccess() between validation and dispatch.\nELI10: Today the function is 60 lines with a try/catch inside a try/catch inside a try/catch, and each one quietly eats a different kind of error. When something goes wrong at 3am, the request either fails with no log line or, worse, continues as if nothing happened. A flat sequence of three named steps with one error boundary at the end turns every failure into a named result (validation failed, access denied, dispatch failed) that gets logged with the tenant and reason and handed back to the caller. It also forces the plan to say what happens when the access decision is \"deny\", which it currently does not.\nStakes if we pick wrong: Silent auth failures that are impossible to debug from logs, and a deny path whose behavior is whatever the first implementer happens to write.\nRecommendation: A because a refactor is the moment to fix structure, swallowing auth errors is a security-grade bug not a style issue, and the flat form is shorter than what it replaces.\nCompleteness: A=10/10, B=7/10, C=0/10\nPros / cons:\nA) Flat pipeline with one boundary and typed outcomes (recommended) (human: ~1 day / CC: ~15 min)\n ✅ Every failure class becomes a named, logged outcome; nothing is swallowed and Denied is explicit\n ✅ Each step (validate, decideAccess, dispatch) is independently unit-testable; the function shrinks well under 60 lines\n ✅ Matches \"explicit over clever\": the caller sees exactly one result type to handle\n ❌ Callers of validateAndDispatch() must be updated to handle the typed outcome instead of relying on silent success\nB) Keep nesting, log and rethrow typed errors from each catch (human: ~3h / CC: ~8 min)\n ✅ Smaller structural change; stops the swallowing with three log-and-rethrow edits\n ✅ Callers see typed errors without a signature change\n ❌ Still three boundaries in one 60-line function; the nesting that made the bugs hard to see stays\n ❌ Deny handling is still unspecified\nC) Leave as is (human: ~0 / CC: ~0)\n ✅ No risk of changing observable behavior during the refactor\n ✅ Zero effort\n ❌ Ships known silent error swallowing in the auth path; the refactor preserves the worst part of the code it reorganizes\nNet: You are trading a caller-signature update for auth failures that are visible, typed and tested; B stops the bleeding without fixing the structure; C keeps a known bug.": "A) Flat pipeline, typed outcomes (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T13:47:31.343Z"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"question": "D5 — How do we prove the rewrite of legacyAuthFlow() keeps the behavior users rely on?\nProject/branch/task: main — Multi-tenant Auth Refactor; legacyAuthFlow() is being replaced by AuthBroker.validateAndDispatch() (D1 → B, D4 → A).\nELI10: The plan rewrites the function that decides whether every request is allowed in, and it plans zero tests that compare the new version to the old one. The new component tests only prove the new code does what the new code's author thinks it should. A characterization suite runs the same set of inputs (good token, expired token, revoked token, wrong tenant, suspended tenant, IDP down, and so on) through both the old and the new code and asserts they agree, except for the differences we chose on purpose. Only when that suite is green does the old function get deleted.\nStakes if we pick wrong: A tenant that could log in yesterday cannot today, or worse, one that should be blocked gets in, and there is no test that would have caught either.\nRecommendation: A because the input space for auth is small and enumerable, a fake adapter and fake IDP make the full matrix cheap, and anything less leaves a named blind spot in the login path.\nCompleteness: A=10/10, B=7/10, C=10/10 (C adds a production step, not more test coverage)\nPros / cons:\nA) Full characterization matrix over both implementations, then delete legacy (recommended) (human: ~2 days / CC: ~30 min)\n ✅ Every observable outcome (allow / deny / error class), cache write and IDP call set is asserted identical except the enumerated intentional differences\n ✅ Includes one end-to-end path through the real entry point with a fake IDP, so wiring bugs surface, not just unit logic\n ✅ Legacy code is deleted with evidence rather than hope; intentional differences are written down where a reviewer can challenge them\n ❌ Requires building fixtures for the full matrix before the rewrite starts (make-change-easy-first ordering)\nB) Parity on happy path plus the three caught error classes (human: ~1 day / CC: ~15 min)\n ✅ Covers the paths the plan already names, with the same both-implementations assertion style\n ✅ Faster to write; still forces the intentional-differences list\n ❌ Expired, revoked, wrong-audience, suspended-tenant and IDP-outage paths are unasserted; those are exactly the security-relevant edges\n ❌ A green suite would still allow a regression on any unlisted path\nC) A plus a 7-day production shadow run before cutover (human: ~1 week / CC: ~45 min + calendar time)\n ✅ Catches real-traffic shapes no fixture author thought of\n ✅ Cutover is a flag flip with data behind it, so rollback is trivial\n ❌ Requires running both flows in production and a diff pipeline; adds a week and operational load to a refactor\n ❌ Shadowing an auth path doubles IDP calls per request for the shadow period\nNet: You are trading two days of fixture work for a rewrite of the login path that is proven equivalent; B leaves the security edges untested; C buys extra certainty with a week of production plumbing.",
|
||||
"header": "Regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Full characterization matrix (recommended)",
|
||||
"description": "Build fixtures for the full matrix (valid, expired, revoked, wrong issuer, wrong audience, suspended tenant, policy-version mismatch, IDP timeout, IDP 5xx, malformed token, deny decision, cache hit/miss). Assert identical outcome, cache writes and IDP call set for legacyAuthFlow() and validateAndDispatch(), except the enumerated intentional differences (typed outcomes per D4). One E2E path through the real entry point with a fake IDP. Delete legacy only when green. Completeness 10/10. human: ~2 days / CC: ~30 min."
|
||||
},
|
||||
{
|
||||
"label": "B) Happy path + three error classes",
|
||||
"description": "Same both-implementations assertion style over the happy path and the three error classes validateAndDispatch() currently catches. Security edges (expired, revoked, wrong audience, suspended, IDP outage) unasserted. Completeness 7/10. human: ~1 day / CC: ~15 min."
|
||||
},
|
||||
{
|
||||
"label": "C) Full matrix + production shadow",
|
||||
"description": "Everything in A, plus run legacy and new side by side in production for 7 days behind a flag, diffing outcomes, before cutover. Completeness 10/10 plus an operational step. human: ~1 week / CC: ~45 min + calendar time."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
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|
||||
"answers": {
|
||||
"D5 — How do we prove the rewrite of legacyAuthFlow() keeps the behavior users rely on?\nProject/branch/task: main — Multi-tenant Auth Refactor; legacyAuthFlow() is being replaced by AuthBroker.validateAndDispatch() (D1 → B, D4 → A).\nELI10: The plan rewrites the function that decides whether every request is allowed in, and it plans zero tests that compare the new version to the old one. The new component tests only prove the new code does what the new code's author thinks it should. A characterization suite runs the same set of inputs (good token, expired token, revoked token, wrong tenant, suspended tenant, IDP down, and so on) through both the old and the new code and asserts they agree, except for the differences we chose on purpose. Only when that suite is green does the old function get deleted.\nStakes if we pick wrong: A tenant that could log in yesterday cannot today, or worse, one that should be blocked gets in, and there is no test that would have caught either.\nRecommendation: A because the input space for auth is small and enumerable, a fake adapter and fake IDP make the full matrix cheap, and anything less leaves a named blind spot in the login path.\nCompleteness: A=10/10, B=7/10, C=10/10 (C adds a production step, not more test coverage)\nPros / cons:\nA) Full characterization matrix over both implementations, then delete legacy (recommended) (human: ~2 days / CC: ~30 min)\n ✅ Every observable outcome (allow / deny / error class), cache write and IDP call set is asserted identical except the enumerated intentional differences\n ✅ Includes one end-to-end path through the real entry point with a fake IDP, so wiring bugs surface, not just unit logic\n ✅ Legacy code is deleted with evidence rather than hope; intentional differences are written down where a reviewer can challenge them\n ❌ Requires building fixtures for the full matrix before the rewrite starts (make-change-easy-first ordering)\nB) Parity on happy path plus the three caught error classes (human: ~1 day / CC: ~15 min)\n ✅ Covers the paths the plan already names, with the same both-implementations assertion style\n ✅ Faster to write; still forces the intentional-differences list\n ❌ Expired, revoked, wrong-audience, suspended-tenant and IDP-outage paths are unasserted; those are exactly the security-relevant edges\n ❌ A green suite would still allow a regression on any unlisted path\nC) A plus a 7-day production shadow run before cutover (human: ~1 week / CC: ~45 min + calendar time)\n ✅ Catches real-traffic shapes no fixture author thought of\n ✅ Cutover is a flag flip with data behind it, so rollback is trivial\n ❌ Requires running both flows in production and a diff pipeline; adds a week and operational load to a refactor\n ❌ Shadowing an auth path doubles IDP calls per request for the shadow period\nNet: You are trading two days of fixture work for a rewrite of the login path that is proven equivalent; B leaves the security edges untested; C buys extra certainty with a week of production plumbing.": "A) Full characterization matrix (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T13:48:59.219Z"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 — Should the Promise.all speed-up ship inside this refactor or right after it?\nProject/branch/task: main — Multi-tenant Auth Refactor; the plan promises no behavior change, then bundles a timing change to token validation.\nELI10: Right now validating a token makes five calls to the identity provider one after another, so users wait for five round trips. Firing them all at once is a real win, probably cutting that wait to one round trip. But the plan's whole point is to move code around without changing what it does, and the parity suite we just approved works by proving old and new behave identically. Mixing a deliberate behavior change into that diff makes every parity failure ambiguous: is it the refactor or the speed-up? Landing the speed-up as its own small change right after, with its own test, keeps both diffs honest.\nStakes if we pick wrong: Either a parity failure that cannot be attributed, hiding a real refactor bug behind an expected timing difference, or users keep waiting five round trips longer than they need to.\nRecommendation: A because separating structural from behavioral change is the cheapest way to keep the regression suite meaningful, and a follow-up PR costs minutes with CC.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Separate follow-up PR immediately after the refactor merges (recommended) (human: ~half day / CC: ~10 min)\n ✅ Refactor diff stays behavior-preserving, so any parity failure points at the refactor itself\n ✅ The parity suite records the real IDP call set first, turning \"calls are independent\" from a claim into an observed fact before the change\n ✅ The follow-up carries its own test: five concurrent dispatches, one rejection yields ValidationFailed naming the failed call\n ❌ Users get the latency win one PR later than they could\nB) Last commit of this PR, after the parity suite is green (human: ~half day / CC: ~10 min)\n ✅ One PR delivers both the cleanup and the latency win\n ✅ Same test requirement as A; independence is still confirmed by the parity suite before the commit\n ❌ A reviewer reading the PR sees a behavior change in a \"no behavior change\" refactor; the parity suite needs an exception for timing/ordering in the same diff\n ❌ Rollback of the refactor also rolls back the speed-up, and vice versa\nC) Do not parallelize (human: ~0 / CC: ~0)\n ✅ Zero risk of changing IDP concurrency or error ordering\n ✅ No new test surface\n ❌ Leaves a five-round-trip wait on every cache miss that the author already identified as fixable\nNet: You are trading one PR of delay for two diffs that each prove exactly one thing; B saves a PR at the cost of attribution; C leaves known latency on the table.",
|
||||
"header": "Parallelize",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Follow-up PR right after (recommended)",
|
||||
"description": "Land the refactor with the parity suite first. Then a separate PR replaces the 5 sequential IDP calls with Promise.all, after the parity suite has recorded the call set and a reviewer confirms independence. Includes a test that all 5 dispatch concurrently and a single rejection yields ValidationFailed naming the failing call. human: ~half day / CC: ~10 min."
|
||||
},
|
||||
{
|
||||
"label": "B) Last commit of this PR",
|
||||
"description": "Same change and same test, committed at the end of this PR once the parity suite is green. One PR carries refactor and speed-up together. human: ~half day / CC: ~10 min."
|
||||
},
|
||||
{
|
||||
"label": "C) Do not parallelize",
|
||||
"description": "Keep the 5 sequential calls. No change, no test. human: ~0 / CC: ~0."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 — Should the Promise.all speed-up ship inside this refactor or right after it?\nProject/branch/task: main — Multi-tenant Auth Refactor; the plan promises no behavior change, then bundles a timing change to token validation.\nELI10: Right now validating a token makes five calls to the identity provider one after another, so users wait for five round trips. Firing them all at once is a real win, probably cutting that wait to one round trip. But the plan's whole point is to move code around without changing what it does, and the parity suite we just approved works by proving old and new behave identically. Mixing a deliberate behavior change into that diff makes every parity failure ambiguous: is it the refactor or the speed-up? Landing the speed-up as its own small change right after, with its own test, keeps both diffs honest.\nStakes if we pick wrong: Either a parity failure that cannot be attributed, hiding a real refactor bug behind an expected timing difference, or users keep waiting five round trips longer than they need to.\nRecommendation: A because separating structural from behavioral change is the cheapest way to keep the regression suite meaningful, and a follow-up PR costs minutes with CC.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Separate follow-up PR immediately after the refactor merges (recommended) (human: ~half day / CC: ~10 min)\n ✅ Refactor diff stays behavior-preserving, so any parity failure points at the refactor itself\n ✅ The parity suite records the real IDP call set first, turning \"calls are independent\" from a claim into an observed fact before the change\n ✅ The follow-up carries its own test: five concurrent dispatches, one rejection yields ValidationFailed naming the failed call\n ❌ Users get the latency win one PR later than they could\nB) Last commit of this PR, after the parity suite is green (human: ~half day / CC: ~10 min)\n ✅ One PR delivers both the cleanup and the latency win\n ✅ Same test requirement as A; independence is still confirmed by the parity suite before the commit\n ❌ A reviewer reading the PR sees a behavior change in a \"no behavior change\" refactor; the parity suite needs an exception for timing/ordering in the same diff\n ❌ Rollback of the refactor also rolls back the speed-up, and vice versa\nC) Do not parallelize (human: ~0 / CC: ~0)\n ✅ Zero risk of changing IDP concurrency or error ordering\n ✅ No new test surface\n ❌ Leaves a five-round-trip wait on every cache miss that the author already identified as fixable\nNet: You are trading one PR of delay for two diffs that each prove exactly one thing; B saves a PR at the cost of attribution; C leaves known latency on the table.": "A) Follow-up PR right after (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T13:51:06.372Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "5e16c19b-5af9-4810-901e-e8e44e447366",
|
||||
"toolUseId": "toolu_01Tn8Xk6nffjXc2kbDaHJ6A7",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 — What next after this eng review?\nProject/branch/task: gstack-plan-count-Q4W1N9 on main — Multi-tenant Auth Refactor plan, review complete.\nELI10: The plan has been reviewed and rewritten with your eight decisions applied. The only thing still open is whether the cache needs a recheck-before-write guard, and that depends on reading the adapter code first (task T1). There is no UI in this change, and the business scope was already narrowed, so the design and CEO reviews add little here.\nStakes if we pick wrong: Running unneeded reviews costs time; skipping the T1 probe before coding risks shipping the write-after-invalidation race.\nRecommendation: C because this is a backend-only refactor whose remaining open item is settled by an implementation-time probe, not another review.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Run /plan-ceo-review\n ✅ Would challenge whether the refactor is worth doing at all before any code is written\n ✅ Independent check on the scope cut made in D1\n ❌ The plan author already framed this as a no-behavior-change refactor; scope was cut in D1 — little left to challenge\nB) Run /design-review\n ✅ Would catch user-visible changes in error presentation for the new Denied / ValidationFailed outcomes\n ✅ Cheap if the surface is small\n ❌ There is no UI in this plan; error presentation is owned by existing callers, which are updated for typed outcomes only\nC) Ready to implement — run /ship when done (recommended)\n ✅ Start with T1 (adapter probe) and T2 (SessionMint contract); the R3 guard question resolves itself from T1's result\n ✅ All 13 findings have dispositions; tasks, lanes and the parity matrix are written into the plan\n ❌ Leaves the plan formally \"issues open\" until the probe answers R3\nNet: Trade one more review round against starting the probe that actually closes the last open item.",
|
||||
"header": "Next step",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "C) Ready to implement (recommended)",
|
||||
"description": "Begin with T1 adapter probe + T2 SessionMint contract; run /ship when the work is done. Backend-only; no design/CEO review needed."
|
||||
},
|
||||
{
|
||||
"label": "A) Run /plan-ceo-review",
|
||||
"description": "Challenge whether the refactor is worth doing before coding. Little left after the D1 scope cut."
|
||||
},
|
||||
{
|
||||
"label": "B) Run /design-review",
|
||||
"description": "Check user-visible error presentation. No UI in this plan; callers are only updated for typed outcomes."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 — What next after this eng review?\nProject/branch/task: gstack-plan-count-Q4W1N9 on main — Multi-tenant Auth Refactor plan, review complete.\nELI10: The plan has been reviewed and rewritten with your eight decisions applied. The only thing still open is whether the cache needs a recheck-before-write guard, and that depends on reading the adapter code first (task T1). There is no UI in this change, and the business scope was already narrowed, so the design and CEO reviews add little here.\nStakes if we pick wrong: Running unneeded reviews costs time; skipping the T1 probe before coding risks shipping the write-after-invalidation race.\nRecommendation: C because this is a backend-only refactor whose remaining open item is settled by an implementation-time probe, not another review.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Run /plan-ceo-review\n ✅ Would challenge whether the refactor is worth doing at all before any code is written\n ✅ Independent check on the scope cut made in D1\n ❌ The plan author already framed this as a no-behavior-change refactor; scope was cut in D1 — little left to challenge\nB) Run /design-review\n ✅ Would catch user-visible changes in error presentation for the new Denied / ValidationFailed outcomes\n ✅ Cheap if the surface is small\n ❌ There is no UI in this plan; error presentation is owned by existing callers, which are updated for typed outcomes only\nC) Ready to implement — run /ship when done (recommended)\n ✅ Start with T1 (adapter probe) and T2 (SessionMint contract); the R3 guard question resolves itself from T1's result\n ✅ All 13 findings have dispositions; tasks, lanes and the parity matrix are written into the plan\n ❌ Leaves the plan formally \"issues open\" until the probe answers R3\nNet: Trade one more review round against starting the probe that actually closes the last open item.": "C) Ready to implement (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T13:59:29.964Z"
|
||||
}
|
||||
],
|
||||
"parts": [
|
||||
"# Plan: Multi-tenant Auth Refactor (reviewed)\n\nReviewed target: `PLAN.md` (\"Plan: Multi-tenant Auth Refactor\") in `gstack-plan-count-Q4W1N9`, branch `main`, commit `8636c2b`.\nReview: `/plan-eng-review`, 2026-09-16. Prerequisite `/office-hours` skipped at the user's request.\nEvidence basis: the repository contains only `CLAUDE.md` and `PLAN.md`; no implementation code exists to probe. Every \"runtime evidence\" entry below is therefore graded against the plan text and marked unknown where the plan does not say.",
|
||||
"### R4: validateAndDispatch() error handling structure\nFinding: Q1, P1, confidence 9/10, PLAN.md:32-33 (\"The `validateAndDispatch()` function is 60 lines with three nested try/catch blocks; each catch swallows a different error class.\"), plus A3, P2, confidence 7/10, PLAN.md:9-13 (decideAccess returns allow or deny; the plan never says what the caller does on deny), reviewer: plan-eng-review (Code Quality + Architecture).\nPlan baseline: original proposal — 60-line function, three nested try/catch, each catch swallows one error class; deny handling unspecified.\nRuntime evidence: unknown; the function is described but no code exists to read. \"Swallows\" is the author's own word.\nComparison grid:\n\n| Choice | Current | A | B | C |\n|---|---|---|---|---|\n| R4 control flow | 3 nested try/catch in one 60-line function | flat sequence of named steps (validate → decideAccess → dispatch), one error boundary | keep nesting; each catch logs and rethrows a typed error | unchanged |\n| Error disposition | each catch swallows its class silently | every failure maps to a typed AuthOutcome (ValidationFailed / Denied / DispatchFailed) returned or thrown; nothing swallowed; each logged with tenant + reason | logged and rethrown as typed errors; still three boundaries | swallowed |\n| Deny path from decideAccess | unspecified | Denied is an explicit typed outcome the caller must handle | unspecified | unspecified |\n| R2, R3 | approved / pending | fixed | fixed | fixed |\n\nQuestion D4:\nD4 — How should validateAndDispatch() handle the three error classes it currently swallows?\nProject/branch/task: main — Multi-tenant Auth Refactor; AuthBroker.validateAndDispatch() is the request-path entry point that calls decideAccess() between validation and dispatch.\nELI10: Today the function is 60 lines with a try/catch inside a try/catch inside a try/catch, and each one quietly eats a different kind of error. When something goes wrong at 3am, the request either fails with no log line or, worse, continues as if nothing happened. A flat sequence of three named steps with one error boundary at the end turns every failure into a named result (validation failed, access denied, dispatch failed) that gets logged with the tenant and reason and handed back to the caller. It also forces the plan to say what happens when the access decision is \"deny\", which it currently does not.\nStakes if we pick wrong: Silent auth failures that are impossible to debug from logs, and a deny path whose behavior is whatever the first implementer happens to write.\nRecommendation: A because a refactor is the moment to fix structure, swallowing auth errors is a security-grade bug not a style issue, and the flat form is shorter than what it replaces.\nCompleteness: A=10/10, B=7/10, C=0/10\nPros / cons:\nA) Flat pipeline with one boundary and typed outcomes (recommended) (human: ~1 day / CC: ~15 min)\n ✅ Every failure class becomes a named, logged outcome; nothing is swallowed and Denied is explicit\n ✅ Each step (validate, decideAccess, dispatch) is independently unit-testable; the function shrinks well under 60 lines\n ✅ Matches \"explicit over clever\": the caller sees exactly one result type to handle\n ❌ Callers of validateAndDispatch() must be updated to handle the typed outcome instead of relying on silent success\nB) Keep nesting, log and rethrow typed errors from each catch (human: ~3h / CC: ~8 min)\n ✅ Smaller structural change; stops the swallowing with three log-and-rethrow edits\n ✅ Callers see typed errors without a signature change\n ❌ Still three boundaries in one 60-line function; the nesting that made the bugs hard to see stays\n ❌ Deny handling is still unspecified\nC) Leave as is (human: ~0 / CC: ~0)\n ✅ No risk of changing observable behavior during the refactor\n ✅ Zero effort\n ❌ Ships known silent error swallowing in the auth path; the refactor preserves the worst part of the code it reorganizes\nNet: You are trading a caller-signature update for auth failures that are visible, typed and tested; B stops the bleeding without fixing the structure; C keeps a known bug.\nHeader: Error handling\nOptions:\nA) Flat pipeline, typed outcomes (recommended)\nvalidateAndDispatch() becomes a flat sequence of named steps (validate → decideAccess → dispatch) with one error boundary. Every failure maps to a typed outcome (ValidationFailed / Denied / DispatchFailed), each logged with tenant and reason; nothing swallowed. Callers updated to handle the outcome. Completeness 10/10. human: ~1 day / CC: ~15 min.\nB) Keep nesting, log + rethrow typed errors\nKeep the three try/catch blocks; each catch logs with tenant and reason and rethrows a typed error instead of swallowing. Deny handling still unspecified. Completeness 7/10. human: ~3h / CC: ~8 min.\nC) Leave as is\nPreserve the 60-line nested structure and the swallowing catches. Completeness 0/10. human: ~0 / CC: ~0.\n\nState: approved\nActual anLine truncated
|
||||
"### Worktree parallelization strategy\n| Step | Modules touched | Depends on |\n|---|---|---|\n| S0 R3 probe + write SessionMint contract (A5) | read-only: cache adapter, legacy flow | — |\n| S1 Parity fixtures + fake adapter + fake IDP | test/ | S0 |\n| S2 `decideAccess()` module + table tests | auth/policy/ | — |\n| S3 `AuthBroker` (flat pipeline, typed outcomes) + unit tests | auth/broker/ | S1, S2 |\n| S4 `SessionMint` + unit tests | auth/session/ | S0, S1 |\n| S5 Composition root wiring + wiring test; update callers to typed outcomes | app bootstrap, callers | S3, S4 |\n| S6 Parity suite green against both; E2E; delete `legacyAuthFlow()` | test/, legacy module | S5 |\n\nLanes: `Lane A: S0 → S1 → S3 → S5 → S6 (sequential, shared test/ and bootstrap)` / `Lane B: S2 (independent)` / `Lane C: S4 (after S0, S1; independent of S3)`.\nExecution: launch A and B in parallel worktrees; C starts once A finishes S1. Merge B and C before S5. Conflict flag: S3 and S4 both add to `auth/`; keep them in separate subdirectories to avoid merge conflicts.\n\n## Implementation Tasks\nSynthesized from this review's findings. Each task derives from a specific finding above. Run with Claude Code or Codex; checkbox as you ship.\n\n- [ ] **T1 (P1, human: ~2h / CC: ~10min)** — cache adapter — Probe write-after-invalidation semantics; record file:line quotes in this plan; if unguarded, raise a new decision for a recheck-before-write guard\n - Surfaced by: Architecture — A2 (D3 → A)\n - Files: cache adapter module, its invalidation hooks (read-only)\n - Verify: plan section \"Amendment (D3 → A)\" filled in with quotes and a guarded/unguarded verdict\n- [ ] **T2 (P1, human: ~1h / CC: ~5min)** — plan — Write `SessionMint`'s contract: inputs, outputs, which cache entries it writes and when, typed error path\n - Surfaced by: Architecture — A5 / Code Quality — Q3\n - Files: this plan\n - Verify: contract section present before S4 starts\n- [ ] **T3 (P1, human: ~2 days / CC: ~30min)** — test/ — Build the parity fixture matrix, fake adapter and fake IDP; run against `legacyAuthFlow()` to capture golden values\n - Surfaced by: Test review — T1 (D5 → A)\n - Files: test/ (new), fixtures\n - Verify: parity suite green against legacy alone\n- [ ] **T4 (P1, human: ~half day / CC: ~10min)** — auth/policy — Implement `decideAccess(claims, ctx): Allow | Deny` as a pure function with table-driven tests\n - Surfaced by: Scope — S4 (D1 → B); Test — R6\n - Files: auth/policy module + test\n - Verify: table tests pass; no imports of cache or IDP in the module\n- [ ] **T5 (P1, human: ~1 day / CC: ~15min)** — auth/broker — Implement `AuthBroker.validateAndDispatch()` as a flat validate → decideAccess → dispatch pipeline with one boundary and typed outcomes, logged with tenant + reason; constructor takes the adapter\n - Surfaced by: Code Quality — Q1 (D4 → A); Architecture — A1 (D2 → A), A3\n - Files: auth/broker module + tests\n - Verify: one test per outcome asserts log fields; no catch swallows\n- [ ] **T6 (P1, human: ~1 day / CC: ~15min)** — auth/session — Implement `SessionMint` per its written contract; constructor takes the adapter; unit tests for success and adapter-failure paths\n - Surfaced by: Architecture — A5; Test — R6\n - Files: auth/session module + tests\n - Verify: fake-adapter tests pass\n- [ ] **T7 (P1, human: ~2h / CC: ~5min)** — app bootstrap — Construct exactly one adapter in the composition root and pass it to both services; remove any module-level export; update `validateAndDispatch()` callers to handle typed outcomes\n - Surfaced by: Architecture — A1 (D2 → A); Code Quality — Q1 (D4 → A)\n - Files: bootstrap, callers of `validateAndDispatch()`\n - Verify: wiring test asserts same adapter instance in both services\n- [ ] **T8 (P1, human: ~half day / CC: ~10min)** — test/ — Run the parity suite against `validateAndDispatch()`; enumerate intentional differences; add the E2E path with fake IDP; delete `legacyAuthFlow()` only when green; update or remove nearby ASCII diagrams\n - Surfaced by: Test review — T1 (D5 → A); Code Quality — diagrams\n - Files: test/, legacy module\n - Verify: parity + E2E green; `legacyAuthFlow` has no remaining references\n- [ ] **T9 (P3, human: ~half day / CC: ~10min)** — auth/broker — Follow-up PR: `Promise.all` over the 5 IDP calls, after the TODO checks (T10) and independence confirmation; test concurrent dispatch + single-rejection → `ValidationFailed`\n - Surfaced by: Performance — P1 (D6 → A)\n - Files: auth/broker validate step + test\n - Verify: concurrency test passes; parity suite still green\n- [ ] **T10 (P3, human: ~1h / CC: ~5min)** — IDP client — Check JWKS / issuer-metadata caching and the IDP per-client rate limit before T9\n - Surfaced by: Performance — P2, P3 (D8 → A)\n - Files: IDP client module (read-only), plan\n - Verify: findings recordeLine truncated
|
||||
"## GSTACK REVIEW REPORT\n\nCommit: 8636c2b (tree clean) | Branch: main | Plan: Multi-tenant Auth Refactor | 2026-09-16\n\n| Review | Runs | Last run | Status | Findings |\n|---|---|---|---|---|\n| CEO Review (`/plan-ceo-review`) | 0 | — | not run | — |\n| Outside Review (`codex`) | 1 | 2026-09-16T13:51:50Z | disabled / skipped | no findings |\n| Eng Review (`/plan-eng-review`) | 1 | 2026-09-16T13:57:53Z | ISSUES OPEN (mode: SCOPE_REDUCED) | 13 issues, 1 critical gaps |\n| Design Review (`/design-review`) | 0 | — | not run | — |\n| DX Review (`/dx-review`) | 0 | — | not run | — |\n\n**OUTSIDE COVERAGE:** provider `codex`, phase plan-review, status disabled — no outside findings were obtained; re-enable with `gstack-config set codex_reviews enabled` and rerun for a second opinion.\n\n**VERDICT:** Not clear — eng review required. 12 of 13 findings are resolved by accepted amendments (D1–D8); implementation may begin with T1 (adapter probe) and T2 (SessionMint contract), but the plan is not fully approved until the R3 guard question is answered.\n\n**UNRESOLVED DECISIONS:**\n- R3 guard remedy — recheck-before-write guard for the cache adapter, conditional on the pre-implementation probe (D3 → Investigate). If the adapter accepts writes after invalidation unguarded, raise a new D-numbered decision (guard yes/no and its form) before T5/T6 start."
|
||||
]
|
||||
}
|
||||
-452
@@ -1,452 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (reviewed by /plan-eng-review, 2026-09-10)
|
||||
|
||||
Source plan: `PLAN.md` @ commit 974c858, branch `main`.
|
||||
Review mode: SCOPE_REDUCED (complexity gate fired; reduction accepted in D1).
|
||||
All seven decisions (D1–D7) were put to the user individually and resolved; each chose the
|
||||
complete option. The remedies below are approved and folded in.
|
||||
|
||||
## Context
|
||||
|
||||
The original plan (PLAN.md) describes a refactor of the tenant-aware auth path: two new
|
||||
services (`AuthBroker`, `SessionMint`) plus `TokenStore`, `AuthCache`, and `RequestPolicy`,
|
||||
a rewrite of `legacyAuthFlow()`, and a change to how token validation talks to the identity
|
||||
provider (IDP). It does not state the problem being solved, the success criteria, or how the
|
||||
change reaches production. This reviewed plan keeps the original intent, records what the
|
||||
review found, and folds the approved remedies in so implementation starts complete.
|
||||
|
||||
Auth is the highest-blast-radius code in a multi-tenant system: a wrong cache key is a
|
||||
cross-tenant data leak, a swallowed error is a silent auth bypass or a silent outage. The
|
||||
review is calibrated to that.
|
||||
|
||||
## Step 0: Scope Challenge
|
||||
|
||||
**Complexity check: TRIGGERED.** PLAN.md:35-36 says "touches 12 files and introduces 4 new
|
||||
classes (TokenStore, SessionMint, AuthCache, RequestPolicy)". PLAN.md:19 adds `AuthBroker`
|
||||
as a new service too, so it is 5 new types, not 4. The plan is internally inconsistent on
|
||||
its own scope.
|
||||
|
||||
**What already exists (reuse check):**
|
||||
- The existing cache adapter (PLAN.md:7-9) already keys by tenant ID, issuer, audience, and
|
||||
policy version, evicts expired tokens, and invalidates on logout / revocation / tenant
|
||||
suspension. Its invalidation hooks and tests stay in use unchanged (PLAN.md:12-13). Good.
|
||||
- `AuthCache` is "a service-facing facade over that same existing adapter, with one backing
|
||||
cache" that "retains these unchanged validity and tenant-key rules" (PLAN.md:10-12). A facade
|
||||
that changes no rule and adds no serialization is a pass-through class. It is accidental
|
||||
complexity (Brooks). **Decision: dropped; inject the adapter directly.**
|
||||
- `TokenStore` is never defined relative to the "one backing cache" (PLAN.md:12). If it is a
|
||||
second store of tokens, tenant-key rules now live in two places. If it is the adapter under
|
||||
another name, it is a duplicate. **Decision: define it against the one backing cache or merge
|
||||
it into the adapter; it does not ship as a separate token-holding class.**
|
||||
- `legacyAuthFlow()` already works in production (PLAN.md:27). Its behavior is the
|
||||
specification the new path must match. The plan treated it as disposable; it is now the
|
||||
golden reference (see Tests).
|
||||
|
||||
**Minimum change that achieves the goal (ACCEPTED as D1 = 1A):** `AuthBroker` + `SessionMint`
|
||||
taking the existing adapter by constructor injection, `RequestPolicy` as a pure policy
|
||||
evaluator, the `validateAndDispatch()` cleanup, the IDP call change, all behind a per-tenant
|
||||
flag. That is 3 new types instead of 5 and removes the two classes that carry the most
|
||||
tenant-key risk.
|
||||
|
||||
**Search check** (Aside not installed; WebSearch used, read-only):
|
||||
- **[Layer 1]** Module-level mutable singletons in Node are a known race and test-isolation
|
||||
hazard even single-threaded, because many requests are in flight against the same object;
|
||||
the standard remedy is factory / dependency injection. Sources:
|
||||
[Singleton pitfalls under load](https://dev-aditya.medium.com/the-singleton-pattern-in-node-js-power-pitfalls-and-performance-under-load-3d841ea5c226),
|
||||
[Singletons: tool or trap](https://blog.openreplay.com/singletons-javascript-tool-trap/),
|
||||
[Event loop and safe singletons](https://dev.to/devunionx/understanding-nodejs-the-event-loop-and-the-safe-use-of-singletons-fmn).
|
||||
- **[Layer 1]** `Promise.all` is the built-in for the IDP fan-out; it fails fast, which is the
|
||||
correct all-or-nothing semantics for validation. `Promise.allSettled` is for partial-success
|
||||
cases, which auth is not. Sources:
|
||||
[MDN Promise.all](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/all),
|
||||
[all vs allSettled](https://leapcell.io/blog/handling-multiple-api-requests-with-promise-all-and-promise-allsettled).
|
||||
- **[Layer 1]** Catch-and-continue without surfacing is the documented "error hiding"
|
||||
anti-pattern; let errors bubble to one boundary that maps them to typed results. Sources:
|
||||
[Error hiding](https://en.wikipedia.org/wiki/Error_hiding),
|
||||
[TypeScript error handling pitfalls](https://www.dhiwise.com/post/typescript-error-handling-pitfalls-and-how-to-avoid-them).
|
||||
- **[Layer 3 / EUREKA]** The plan's performance fix is "parallelize 5 calls". First-principles:
|
||||
in OIDC-style validation, several of those calls are usually discovery-document and JWKS
|
||||
fetches that change on the order of hours. The bigger win is making fewer calls (cache
|
||||
discovery + JWKS with TTL), then parallelizing what remains. See Performance #1. Logged to
|
||||
the eureka journal.
|
||||
|
||||
**TODOS.md:** does not exist in this repo. Nothing to cross-reference; one item is proposed
|
||||
below (D7) and approved.
|
||||
|
||||
**Completeness check:** the plan took one explicit shortcut, "no regression test for the
|
||||
prior behavior is planned" (PLAN.md:28) while its coverage "does not exercise
|
||||
legacyAuthFlow() or assert compatibility with its prior behavior" (PLAN.md:15-16). With
|
||||
CC+gstack a characterization suite is ~30 minutes. The REGRESSION RULE makes it mandatory
|
||||
(see Tests). No decision was needed there.
|
||||
|
||||
**Distribution check:** no new artifact type (binary, package, image). Not applicable.
|
||||
|
||||
### Decision D1 (complexity gate) — RESOLVED: 1A Reduce
|
||||
Drop the `AuthCache` facade and inject the adapter; define or merge `TokenStore`; ship 3 new
|
||||
types (`AuthBroker`, `SessionMint`, `RequestPolicy`). Completeness 9/10. Not re-argued in
|
||||
later sections.
|
||||
|
||||
## Architecture (reviewed)
|
||||
|
||||
### Data flow (target design)
|
||||
|
||||
```
|
||||
request(tenant, token)
|
||||
│
|
||||
▼
|
||||
┌─────────────────┐ flag OFF ┌──────────────────┐
|
||||
│ per-tenant flag │────────────▶│ legacyAuthFlow() │──▶ response (unchanged)
|
||||
└─────────────────┘ └──────────────────┘
|
||||
│ flag ON
|
||||
▼
|
||||
┌─────────────────────────────────────────────────────────────┐
|
||||
│ AuthBroker │
|
||||
│ validate(req) ──▶ RequestPolicy.evaluate(policyVersion) │
|
||||
│ │ │ allow / deny / unknown │
|
||||
│ │ cache miss ▼ │
|
||||
│ ├──▶ idpClient.validateAll(token) [5 calls, parallel] │
|
||||
│ │ └─ discovery+JWKS from TTL cache │
|
||||
│ ▼ │
|
||||
│ dispatch(result) ──▶ Ok | Denied | AuthError(class) │
|
||||
└───────────────┬─────────────────────────────────────────────┘
|
||||
│ reads only
|
||||
▼
|
||||
┌────────────────────┐ writes (single owner) ┌─────────────┐
|
||||
│ existing cache │◀──────────────────────────│ SessionMint │
|
||||
│ adapter (injected) │ └─────────────┘
|
||||
│ key: tenant,issuer,│◀── invalidation hooks: logout / revoke / suspend
|
||||
│ audience,policyVer │
|
||||
└────────────────────┘
|
||||
```
|
||||
|
||||
### Cache write ordering (approved in D2)
|
||||
|
||||
```
|
||||
SessionMint.mint() adapter revoke hook
|
||||
─────────────────── ─────── ───────────
|
||||
v = adapter.version(key) ───▶ v=7
|
||||
... IDP round trip ...
|
||||
v=8 ◀──────────────── invalidate(key) (revocation)
|
||||
write(key, entry, ifVersion=7) ─▶ REJECTED (7 ≠ 8) → mint returns Denied/re-validate
|
||||
```
|
||||
|
||||
### Findings
|
||||
|
||||
**#1 [P1] (confidence: 8/10) PLAN.md:19-20 — global mutable `AuthCache` mutated by two services.**
|
||||
Quoted: "share a global mutable `AuthCache` instance via module-level export. Both services
|
||||
mutate it." Combined with PLAN.md:10 "they do not serialize mutations". Realistic production
|
||||
failure: `SessionMint` writes a freshly minted entry while `AuthBroker` processes a revocation
|
||||
for the same key. Without ordering, the revoked token is written back after the invalidation
|
||||
and stays valid until expiry. Nothing in the original plan detects this. Second failure: test
|
||||
files reset module caches differently (Jest/Vitest workers), so the singleton under test is not
|
||||
the singleton the other file mutated, hiding the race in CI.
|
||||
|
||||
**Decision D2 — RESOLVED: 2A.** Constructor-inject one cache instance from a composition root
|
||||
(`src/auth/composition.ts`); `SessionMint` is the only writer, `AuthBroker` is read-only;
|
||||
invalidation goes through the existing hooks; writes carry the version they started from and
|
||||
are rejected if an invalidation landed in between (diagram above). One shared key builder.
|
||||
Completeness 10/10. Maps to: explicit over clever; DRY.
|
||||
|
||||
**#2 [P1] (confidence: 8/10) PLAN.md:27 — no rollout path for replacing `legacyAuthFlow()`.**
|
||||
Quoted: "The existing `legacyAuthFlow()` will get rewritten as part of this work". No flag,
|
||||
canary, or rollback anywhere in the plan. Realistic failure: one tenant's IDP returns a claim
|
||||
shape the new path rejects; every request for that tenant fails at once, with no switch back.
|
||||
|
||||
**Decision D3 — RESOLVED: 3A.** Per-tenant feature flag with a global kill switch; keep
|
||||
`legacyAuthFlow()` callable until the flag is at 100% for two weeks, then delete flag and
|
||||
legacy path in a follow-up PR. The characterization suite (Tests) is the parity gate: both
|
||||
flag states must pass it. Completeness 10/10. Reversibility preference; strangler fig.
|
||||
|
||||
**#3 [P2] (confidence: 6/10) PLAN.md:35 — `TokenStore` relationship to the single backing cache undefined.**
|
||||
Medium confidence. Quoted: "one backing cache" (PLAN.md:12) alongside a new `TokenStore` class
|
||||
(PLAN.md:35). If `TokenStore` holds tokens outside the adapter, tenant-key isolation is
|
||||
duplicated and the adapter's invalidation hooks do not reach it: suspend a tenant and its
|
||||
tokens survive in `TokenStore`. **Resolved by D1**: define against the one backing cache or
|
||||
merge.
|
||||
|
||||
**Security architecture:** tenant isolation depends entirely on the adapter's composite key.
|
||||
Every write path builds keys through one shared key builder. A test asserts that a token
|
||||
minted for tenant A is rejected on a tenant B request with identical issuer/audience.
|
||||
|
||||
**Distribution architecture:** none, no new artifact.
|
||||
|
||||
## Code quality (reviewed)
|
||||
|
||||
**#1 [P1] (confidence: 9/10) PLAN.md:23-24 — `validateAndDispatch()` swallows three error classes.**
|
||||
Quoted: "60 lines with three nested try/catch blocks; each catch swallows a different error
|
||||
class." Textbook error hiding. Failure the user sees: an IDP outage, a malformed token, and a
|
||||
policy-engine bug all look identical from outside, or worse, look like success.
|
||||
|
||||
**Decision D4 — RESOLVED: 4A.** Split into `validate()` (pure: token + policy → typed result)
|
||||
and `dispatch()` (side effects). One error boundary maps each error class to a discriminated
|
||||
union `Ok | Denied | AuthError<kind>`, logs it with tenant + kind, and returns an explicit
|
||||
response. No catch block exits without either rethrowing or producing a typed value. Callers
|
||||
that relied on the swallow are updated to handle the explicit error. Completeness 10/10.
|
||||
Explicit over clever; one boundary instead of three is DRY.
|
||||
|
||||
**#2 [P2] (confidence: 7/10) PLAN.md:19-20 vs 35 — DRY: two writers, two key builders, and an inconsistent class list.**
|
||||
Two services mutating the same cache means cache-write and key-construction code exists twice.
|
||||
Remedy is included in D2 (single writer, one key builder). The "4 new classes" list omitting
|
||||
`AuthBroker` is corrected in this document (5 types as written, 3 after D1).
|
||||
|
||||
**Diagrams:** the plan had none. This document adds the request-flow and write-ordering
|
||||
diagrams above. In code: `AuthBroker` gets the request-flow diagram as a header comment,
|
||||
`SessionMint` gets the mint / invalidate ordering diagram, and the cache adapter gets a
|
||||
key-shape + invalidation-trigger diagram. No existing ASCII diagrams were found to go stale
|
||||
(no source in this repo).
|
||||
|
||||
## Tests (reviewed)
|
||||
|
||||
Test framework: none detected in this repo (0 test files, no `package.json`). Coverage
|
||||
requirements are stated as plan items; file names assume a TypeScript `*.test.ts` convention
|
||||
and should be adjusted to the target repo's layout.
|
||||
|
||||
### REGRESSION RULE (mandatory, no decision required)
|
||||
`legacyAuthFlow()` is existing behavior being rewritten (PLAN.md:27-28) with no covering
|
||||
test (PLAN.md:15-16, 28). **CRITICAL:** before any rewrite, record a characterization suite
|
||||
in `tests/auth/legacyAuthFlow.regression.test.ts`: for each supported tenant configuration,
|
||||
capture inputs (token, tenant, policy version, IDP responses) and the exact output (status,
|
||||
claims, cache side effects, error shape). The new path must pass the same suite with the
|
||||
flag on. This is the parity gate for D3.
|
||||
|
||||
### Coverage diagram (state of the original plan)
|
||||
|
||||
```
|
||||
CODE PATHS USER FLOWS
|
||||
[+] src/auth/AuthBroker.ts [+] Login → mint → first authed request
|
||||
├── validate() └── [GAP] [→E2E] per tenant, two tenants same run
|
||||
│ ├── [GAP] valid token + policy allow [+] Logout → retry last request
|
||||
│ ├── [GAP] error class 1 surfaced (typed, logged) └── [GAP] [→E2E] expect 401, no cached success
|
||||
│ ├── [GAP] error class 2 surfaced [+] Tenant suspended mid-session
|
||||
│ ├── [GAP] error class 3 surfaced └── [GAP] [→E2E] next request rejected, others unaffected
|
||||
│ └── [GAP] IDP partial failure (1 of 5 rejects/times out) [+] Token expires mid-session
|
||||
└── dispatch() └── [GAP] re-mint or clear re-login, never stale success
|
||||
├── [GAP] tenant isolation (A's token on B's request) [+] Two tabs / concurrent requests
|
||||
└── [GAP] revoke-during-mint: revoked token not revived └── [GAP] no duplicate mint, no lost invalidation
|
||||
[+] src/auth/SessionMint.ts [+] IDP slow (10 s on one call)
|
||||
├── [GAP] mint() happy path writes one keyed entry └── [GAP] user sees timeout error, not a hang
|
||||
└── [GAP] mint() when IDP unreachable → typed error [+] Flag OFF → legacy parity
|
||||
[+] src/auth/RequestPolicy.ts └── [GAP] [→E2E] identical to golden recording
|
||||
├── [GAP] allow
|
||||
├── [GAP] deny
|
||||
└── [GAP] unknown / bumped policy version → old entries not served
|
||||
[+] existing cache adapter (unchanged)
|
||||
└── [★★★ TESTED] eviction + logout/revoke/suspend invalidation — existing suite
|
||||
[+] legacyAuthFlow() rewrite
|
||||
└── [GAP] [CRITICAL] characterization suite (REGRESSION RULE)
|
||||
|
||||
COVERAGE: 1/21 paths tested (5%) | Code paths: 1/14 (7%) | User flows: 0/7 (0%)
|
||||
QUALITY: ★★★:1 ★★:0 ★:0 | GAPS: 20 (4 E2E, 0 eval, 1 CRITICAL regression)
|
||||
```
|
||||
|
||||
Legend: ★★★ behavior + edge + error | ★★ happy path | ★ smoke check | [→E2E] integration test
|
||||
|
||||
**Decision D5 — RESOLVED: 5A.** All 19 non-regression gaps close in this PR: unit tests plus
|
||||
the four E2E journeys against a fake IDP fixture. Target after implementation: 21/21.
|
||||
Completeness 10/10.
|
||||
|
||||
### Test requirements (all in scope)
|
||||
- `tests/auth/legacyAuthFlow.regression.test.ts` — CRITICAL golden characterization, flag off
|
||||
and flag on must both pass.
|
||||
- `tests/auth/AuthBroker.test.ts` — validate() allow; each of the 3 error classes yields its
|
||||
typed variant and a log line with tenant + kind; 1-of-5 IDP rejection and 1-of-5 timeout both
|
||||
fail closed within the request budget.
|
||||
- `tests/auth/tenantIsolation.test.ts` — token for tenant A with identical issuer/audience is
|
||||
rejected for tenant B; key builder output differs only by tenant.
|
||||
- `tests/auth/cacheOrdering.test.ts` — start mint, fire revoke, complete mint: cache holds no
|
||||
valid entry (write-version check rejects the late write).
|
||||
- `tests/auth/SessionMint.test.ts` — one keyed write per mint; IDP unreachable → typed error,
|
||||
no cache write.
|
||||
- `tests/auth/RequestPolicy.test.ts` — allow, deny, unknown version, version bump does not
|
||||
serve prior entries.
|
||||
- `tests/auth/idpClient.test.ts` — warm cache makes ≤2 network calls; unknown kid triggers
|
||||
JWKS refetch once; per-call timeout aborts and surfaces a typed error.
|
||||
- `tests/e2e/auth.e2e.ts` — login→request→logout per tenant; suspend tenant; flag-off parity;
|
||||
slow-IDP timeout is visible to the user.
|
||||
|
||||
QA test plan artifact written to
|
||||
`~/.gstack/projects/gstack-plan-count-RacHBI/vercel-sandbox-main-eng-review-test-plan-20260910-153621.md`
|
||||
for `/qa` and `/qa-only`.
|
||||
|
||||
## Performance (reviewed)
|
||||
|
||||
**#1 [P2] (confidence: 8/10) PLAN.md:31-32 — five sequential IDP calls.**
|
||||
Quoted: "Token validation issues 5 sequential API calls to the IDP; they could be parallelized
|
||||
via Promise.all trivially (calls are independent)." Parallelizing is correct and `Promise.all`
|
||||
fail-fast is the right semantics for validation. "Trivially" hides two things: (1) five
|
||||
concurrent calls per request multiplies IDP burst load by 5 and can trip provider rate limits
|
||||
under a login storm; (2) no per-call timeout means one slow call still hangs the request.
|
||||
**[EUREKA]** the larger win is fewer calls: discovery and JWKS documents are cached with TTL so
|
||||
the hot path is typically one or two network calls.
|
||||
|
||||
**Decision D6 — RESOLVED: 6A.** `Promise.all` + per-call timeout (AbortSignal) + TTL cache for
|
||||
discovery/JWKS with refetch-on-unknown-kid + a metric on IDP call count per validation.
|
||||
Completeness 10/10. Built-ins only, no new dependency.
|
||||
|
||||
No N+1 or memory concern found: one backing cache, keyed entries, existing eviction.
|
||||
|
||||
## Failure modes (per new codepath)
|
||||
|
||||
| Codepath | Realistic failure | Test (after this plan) | Handling (after this plan) | User sees | Critical gap in original? |
|
||||
|---|---|---|---|---|---|
|
||||
| SessionMint write vs revoke | Revoked token written back after invalidation | cacheOrdering.test.ts | write-version check rejects late write (D2) | mint re-validates or Denied | **YES → closed** |
|
||||
| validateAndDispatch catch blocks | IDP outage classed as generic failure or success | 3 error-class tests | typed boundary, logged with kind (D4) | distinct explicit error | **YES → closed** |
|
||||
| legacyAuthFlow rewrite | Claim-shape difference for one tenant | characterization suite (mandatory) | per-tenant flag + kill switch (D3) | flag flip, no outage | **YES → closed** |
|
||||
| IDP fan-out | One of five calls hangs | idpClient timeout test | AbortSignal timeout (D6) | timeout error within budget | no |
|
||||
| TokenStore (if separate) | Suspend does not reach it | suspend E2E | merged into adapter (D1) | session rejected | resolved by D1 |
|
||||
| RequestPolicy version bump | Old entries served | RequestPolicy.test.ts | key includes version (existing) | none | no |
|
||||
|
||||
Critical gaps flagged in the original plan: **3**. All three are closed by approved remedies
|
||||
(D2, D4, D3 + mandatory regression suite). Remaining critical gaps in this reviewed plan: 0.
|
||||
|
||||
## NOT in scope
|
||||
- Deleting `legacyAuthFlow()` and the flag — follow-up PR after the flag has been 100% for two
|
||||
weeks (D3).
|
||||
- Replacing the existing cache adapter — it works, is keyed correctly, and is tested; reuse it.
|
||||
- Repo-wide dependency-injection composition — only the auth composition root is in scope;
|
||||
broader adoption is the approved TODO (D7).
|
||||
- `AuthCache` facade and a standalone `TokenStore` — cut in D1.
|
||||
- IDP provider change or protocol migration — unrelated to this refactor.
|
||||
- Distribution / packaging — no new artifact.
|
||||
|
||||
## What already exists
|
||||
- Existing cache adapter with tenant/issuer/audience/policy-version keys, eviction, and
|
||||
invalidation hooks + tests (PLAN.md:7-13): **reused as-is**, injected directly (D1, D2).
|
||||
- `legacyAuthFlow()` (PLAN.md:27): **becomes the specification** via the characterization suite
|
||||
and stays live behind the flag (D3).
|
||||
- Invalidation hooks for logout / revoke / suspend (PLAN.md:8-9): **reused**; the single-writer
|
||||
design routes through them instead of adding a second invalidation path.
|
||||
|
||||
## Worktree parallelization strategy
|
||||
|
||||
| Step | Modules touched | Depends on |
|
||||
|---|---|---|
|
||||
| S1 Regression characterization suite | tests/auth/ | — |
|
||||
| S2 Composition root + single-writer cache wiring + write-version check | src/auth/ (AuthBroker, SessionMint, composition) | — |
|
||||
| S3 validateAndDispatch split + typed errors | src/auth/AuthBroker, src/auth/errors | S2 (injection shape) |
|
||||
| S4 Feature flag + rollout | src/auth/flags, src/auth/AuthBroker | S2 |
|
||||
| S5 IDP client: parallel + timeout + TTL cache | src/auth/idpClient | — |
|
||||
| S6 Unit tests for new paths | tests/auth/ | S2, S3, S5 |
|
||||
| S7 E2E journeys + fake IDP | tests/e2e/ | S4 |
|
||||
|
||||
Lane A: S1 (independent, tests/auth/)
|
||||
Lane B: S2 → S3 → S4 (sequential, shared src/auth/)
|
||||
Lane C: S5 (independent, src/auth/idpClient only)
|
||||
Then: S6 and S7 in parallel after A, B, C merge.
|
||||
|
||||
Execution: launch A + B + C in parallel worktrees. Merge. Then S6 ∥ S7.
|
||||
Conflict flag: Lanes B and C both live under `src/auth/`; C touches only `idpClient`, so
|
||||
conflicts are unlikely, but rebase C onto B before merge.
|
||||
|
||||
## Implementation Tasks
|
||||
Synthesized from this review's findings. Each task derives from a specific finding above and
|
||||
an approved decision. Run with Claude Code or Codex; checkbox as you ship.
|
||||
|
||||
- [ ] **T1 (P1, human: ~1 day / CC: ~30 min)** — tests/auth — Write the `legacyAuthFlow()` characterization (regression) suite before any rewrite
|
||||
- Surfaced by: Tests — REGRESSION RULE, PLAN.md:27-28
|
||||
- Files: tests/auth/legacyAuthFlow.regression.test.ts
|
||||
- Verify: suite green on current code; green again with flag on after rewrite
|
||||
- [ ] **T2 (P1, human: ~1 day / CC: ~20 min)** — src/auth — Replace module-level `AuthCache` export with constructor injection and a single cache writer with write-version check
|
||||
- Surfaced by: Architecture #1, PLAN.md:19-20 (D2 = 2A)
|
||||
- Files: src/auth/AuthBroker.ts, src/auth/SessionMint.ts, src/auth/composition.ts
|
||||
- Verify: tests/auth/cacheOrdering.test.ts; grep shows no module-level cache export
|
||||
- [ ] **T3 (P1, human: ~4 h / CC: ~15 min)** — src/auth — Split `validateAndDispatch()` into `validate()` and `dispatch()` with one typed error boundary
|
||||
- Surfaced by: Code quality #1, PLAN.md:23-24 (D4 = 4A)
|
||||
- Files: src/auth/AuthBroker.ts, src/auth/errors.ts
|
||||
- Verify: three error-class tests in tests/auth/AuthBroker.test.ts; no catch without rethrow or typed return
|
||||
- [ ] **T4 (P1, human: ~4 h / CC: ~15 min)** — src/auth — Per-tenant feature flag with kill switch; keep `legacyAuthFlow()` callable
|
||||
- Surfaced by: Architecture #2 (D3 = 3A)
|
||||
- Files: src/auth/flags.ts, src/auth/AuthBroker.ts
|
||||
- Verify: flag-off parity E2E; flag-on passes T1 suite
|
||||
- [ ] **T5 (P1, human: ~1 day / CC: ~30 min)** — tests/auth — Tenant-isolation, revoke-during-mint, error-class surfacing, IDP partial-failure, policy-version tests
|
||||
- Surfaced by: Tests — coverage diagram, 20 gaps, 3 critical (D5 = 5A)
|
||||
- Files: tests/auth/AuthBroker.test.ts, tests/auth/SessionMint.test.ts, tests/auth/tenantIsolation.test.ts, tests/auth/RequestPolicy.test.ts, tests/auth/idpClient.test.ts
|
||||
- Verify: coverage diagram code paths 14/14
|
||||
- [ ] **T6 (P2, human: ~4 h / CC: ~15 min)** — src/auth/idpClient — `Promise.all` + per-call timeout + TTL cache for discovery/JWKS, refetch on unknown kid, call-count metric
|
||||
- Surfaced by: Performance #1, PLAN.md:31-32 (D6 = 6A)
|
||||
- Files: src/auth/idpClient.ts
|
||||
- Verify: 1-of-5 timeout test fails closed within budget; metric shows ≤2 calls on warm cache
|
||||
- [ ] **T7 (P2, human: ~2 h / CC: ~10 min)** — src/auth — Drop the `AuthCache` facade; define `TokenStore` against the one backing cache or merge it into the adapter
|
||||
- Surfaced by: Step 0 complexity check, PLAN.md:11-13, 35-36 (D1 = 1A)
|
||||
- Files: src/auth/AuthCache.ts (delete), src/auth/TokenStore.ts (define or delete)
|
||||
- Verify: new-type count is 3; suspend-tenant E2E rejects the session
|
||||
- [ ] **T8 (P2, human: ~1 h / CC: ~5 min)** — src/auth — ASCII request-flow and write-ordering diagrams as header comments
|
||||
- Surfaced by: Required outputs — Diagrams
|
||||
- Files: src/auth/AuthBroker.ts, src/auth/SessionMint.ts, cache adapter
|
||||
- Verify: diagrams match the flow in this document
|
||||
- [ ] **T9 (P2, human: ~1 day / CC: ~30 min)** — tests/e2e — login→request→logout, tenant suspend, flag-off parity, slow-IDP journeys with a fake IDP
|
||||
- Surfaced by: Tests — user flows marked [→E2E] (D5 = 5A)
|
||||
- Files: tests/e2e/auth.e2e.ts, tests/e2e/fakeIdp.ts
|
||||
- Verify: 4 E2E journeys green in CI
|
||||
|
||||
Tasks JSONL: `~/.gstack/projects/gstack-plan-count-RacHBI/tasks-eng-review-20260910-153621.jsonl` (9 tasks).
|
||||
|
||||
## TODOS.md (approved item, D7 = 7A)
|
||||
|
||||
Plan mode forbids editing repo files other than the plan, so TODOS.md is created at
|
||||
implementation start with this entry (format per gstack TODOS-format):
|
||||
|
||||
### Adopt a composition-root / DI pattern for auth-adjacent services
|
||||
|
||||
**What:** Extend the composition root introduced for `AuthBroker` / `SessionMint` to the other
|
||||
services that currently import shared mutable state at module level.
|
||||
|
||||
**Why:** The singleton race found in Architecture #1 likely exists elsewhere; one pattern
|
||||
repo-wide keeps the fix from being a one-off.
|
||||
|
||||
**Context:** Start from `src/auth/composition.ts` once T2 lands; grep for module-level
|
||||
`export const` of mutable objects to size the work. Pros: testable services, no hidden
|
||||
coupling, one place to see the object graph. Cons: touches files outside the auth refactor; a
|
||||
migration, not a patch.
|
||||
|
||||
**Effort:** M
|
||||
**Priority:** P2
|
||||
**Depends on:** T2
|
||||
|
||||
## Outside voice
|
||||
Codex review skipped (codex_reviews disabled). Re-enable: `gstack-config set codex_reviews enabled`.
|
||||
No outside coverage this run; logged as `outside_status: disabled`. No Claude-subagent
|
||||
fallback was dispatched, per the disabled branch. No cross-model tension to report.
|
||||
|
||||
## Retrospective learning
|
||||
Git history is a single seed commit (974c858). No prior review cycle to compare against.
|
||||
|
||||
## Next steps
|
||||
Backend-only change, no UI surface: `/plan-design-review` not applicable. Refactor, not a
|
||||
product-direction change: `/plan-ceo-review` optional and not suggested. All relevant reviews
|
||||
complete. Run /ship when ready.
|
||||
|
||||
## Completion summary
|
||||
- Step 0: Scope Challenge — scope reduced per recommendation (5 → 3 new types, D1 = 1A)
|
||||
- Architecture Review: 3 issues found (2 P1, 1 P2), all resolved (D2 = 2A, D3 = 3A, #3 via D1)
|
||||
- Code Quality Review: 2 issues found (1 P1, 1 P2), all resolved (D4 = 4A, #2 via D2)
|
||||
- Test Review: diagram produced, 20 gaps identified (1 CRITICAL regression, mandatory); all 20 in scope (D5 = 5A)
|
||||
- Performance Review: 1 issue found (P2, with a fewer-calls eureka), resolved (D6 = 6A)
|
||||
- NOT in scope: written
|
||||
- What already exists: written
|
||||
- TODOS.md updates: 1 item proposed, approved (D7 = 7A)
|
||||
- Failure modes: 3 critical gaps flagged in the original plan, 3 closed by approved remedies, 0 remaining
|
||||
- Outside voice: skipped (codex_reviews disabled)
|
||||
- Parallelization: 3 lanes, 3 parallel then 2 parallel test lanes
|
||||
- Lake Score: 7/7 recommendations chose the complete option
|
||||
- Session setup items (not issue approvals, deferred to next healthy run): gstack CLAUDE.md routing rules, cross-project learnings preference
|
||||
- Durable learning logged: this repo is a fixture with only CLAUDE.md and PLAN.md; findings are evidenced by PLAN.md line quotes, no source or test framework to verify against
|
||||
|
||||
Review log written (`plan-eng-review`, status clean, unresolved 0, critical_gaps 0,
|
||||
issues_found 26, mode SCOPE_REDUCED, commit 974c858). Decision log written. Telemetry
|
||||
(`gstack-skill-end`, outcome success) run.
|
||||
|
||||
## GSTACK REVIEW REPORT
|
||||
|
||||
| Review | Trigger | Why | Runs | Status | Findings |
|
||||
|--------|---------|-----|------|--------|----------|
|
||||
| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |
|
||||
| Outside Review | codex via `/plan-eng-review` (plan-review phase) | Independent 2nd opinion | 1 | disabled | skipped, no outside coverage |
|
||||
| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 2 | clean (PLAN) | 26 issues, 0 critical gaps remaining (3 flagged, 3 closed); 7/7 decisions resolved |
|
||||
| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |
|
||||
| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |
|
||||
|
||||
**OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (user setting `codex_reviews=disabled`), 0 findings; native fallback not dispatched. Host claude.
|
||||
|
||||
**VERDICT:** ENG CLEARED — ready to implement (scope reduced to 3 new types; all remedies approved and folded in).
|
||||
|
||||
NO UNRESOLVED DECISIONS
|
||||
-401
@@ -1,401 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (reviewed)
|
||||
|
||||
Reviewed by `/plan-eng-review` on 2026-09-10, branch `main`, commit `0f0ecb4`.
|
||||
Source plan: `PLAN.md`. Scope mode: SCOPE_REDUCED (Step 0, decision D4).
|
||||
Every finding below was walked through interactively; the option letter recorded
|
||||
next to each one is the user's choice.
|
||||
|
||||
## Context
|
||||
|
||||
The service needs multi-tenant auth: two new services, `AuthBroker` (validates
|
||||
tokens against the IDP and owns cached auth state) and `SessionMint` (mints
|
||||
sessions for validated, active tenants), on top of the existing tenant-keyed
|
||||
cache adapter. The original plan (PLAN.md:35-36) reached that goal with four new
|
||||
classes across 12 files, a module-level mutable cache singleton mutated by both
|
||||
services, a 60-line `validateAndDispatch()` that swallows three error classes,
|
||||
five sequential IDP calls per validation, and an in-place rewrite of
|
||||
`legacyAuthFlow()` with no regression test. The review reduced the class count
|
||||
to two, made the cache boundary explicit and single-writer, surfaced the
|
||||
swallowed errors as typed failures, parallelized the IDP calls with guards, and
|
||||
made the legacy cutover reversible and regression-tested.
|
||||
|
||||
Outcome for the real user: uncached login drops from five IDP round trips to
|
||||
one, a revoked or suspended tenant is denied on the very next request, and no
|
||||
tenant can ever be served another tenant's cached auth state.
|
||||
|
||||
## Existing contracts retained (unchanged from PLAN.md:6-16)
|
||||
|
||||
The existing cache adapter keys entries by tenant ID, issuer, audience, and
|
||||
policy version. It evicts expired tokens and invalidates entries on logout,
|
||||
token revocation, or tenant suspension. Those validity and tenant-key rules are
|
||||
retained unchanged. The adapter, its invalidation hooks, and their existing
|
||||
tests remain in use. One change to its surface is approved below (D8, 4A): the
|
||||
adapter's public operations accept a `TenantContext` value rather than four
|
||||
loose fields. Existing callers are migrated as part of this work and covered by
|
||||
the regression suite (T1).
|
||||
|
||||
## What already exists
|
||||
|
||||
| Sub-problem | Existing code | Plan reuses or rebuilds? |
|
||||
|---|---|---|
|
||||
| Tenant-scoped cache keys (tenant, issuer, audience, policy version) | Existing cache adapter (PLAN.md:7-8) | Reused. `TokenStore` and the `AuthCache` facade were rebuilding this; both are dropped (D4). |
|
||||
| Expiry eviction | Existing adapter (PLAN.md:8) | Reused unchanged. |
|
||||
| Invalidation on logout / revocation / tenant suspension | Existing adapter hooks (PLAN.md:8-9) | Reused. Minted sessions are written under the tenant key so the same suspension hook evicts them (D6). |
|
||||
| Existing auth entry point | `legacyAuthFlow()` (PLAN.md:27) | Kept callable behind a per-tenant flag until parity is proven, then deleted (D11). |
|
||||
| Validate-then-dispatch pipeline | `validateAndDispatch()` (PLAN.md:23) | Split into three functions; behavior preserved, errors surfaced (D7). |
|
||||
|
||||
## Step 0: Scope decision (D4, option A)
|
||||
|
||||
Complexity check tripped: 12 files, 4 new classes over one backing cache.
|
||||
Chosen: reduce to two new classes.
|
||||
|
||||
- `AuthBroker` and `SessionMint` receive the existing cache adapter by constructor injection. No module-level export of a mutable instance.
|
||||
- `TokenStore` is dropped; its duty (storing validated tokens by tenant key) is what the adapter already does.
|
||||
- `AuthCache` facade is dropped; services call the adapter through the injected interface. If an adapter method proves awkward for services during implementation, add the method to the adapter rather than a wrapper class.
|
||||
- `RequestPolicy` becomes a typed plain object plus a pure `resolvePolicy(ctx, token)` function. No class, no state.
|
||||
- Expected footprint: 7-8 files instead of 12.
|
||||
|
||||
Search check [Layer 1]: module-level singletons in Node share mutable state across every request in a long-lived process and can even double-instantiate under duplicated installs; the standard remedy is explicit constructor injection. Tenant-aware caching guidance is unanimous that every cache entry must encode tenant ownership and that caching layers are part of the security boundary. `Promise.all` is correct when all results are required, but concurrent fan-out to an identity provider needs concurrency control to avoid self-inflicted rate limiting. All three shaped the decisions below.
|
||||
|
||||
Sources consulted: [Module caching as a singleton](https://www.linkedin.com/pulse/module-caching-nodejs-practical-singleton-jo%C3%A3o-pedro-samarino-usidf), [Singleton, DI, IoC in Node.js](https://medium.com/@moali314/singleton-dependency-injection-ioc-and-service-locator-in-node-js-9a9c7a3326b7), [Tenant-aware caching](https://agnitestudio.com/blog/tenant-aware-caching-saas/), [Multi-tenant OAuth beyond token isolation](https://workos.com/blog/multi-tenant-oauth-beyond-token-isolation), [Token issuer isolation](https://duendesoftware.com/blog/20260520-token-issuer-isolation), [Beware of Promise.all](https://dev.to/jdorn/beware-of-promiseall-3pph), [Promise pool concurrency](https://davidwalsh.name/promise-pool).
|
||||
|
||||
## Architecture
|
||||
|
||||
### Component boundaries after review
|
||||
|
||||
```
|
||||
request (raw) IDP (5 endpoints)
|
||||
| ^
|
||||
v | Promise.all + per-call timeout
|
||||
+-----------------------------------+ | single-flight per TenantContext
|
||||
| auth entry (flag per tenant) | |
|
||||
| flag off -> legacyAuthFlow() | +--------+---------+
|
||||
| flag on -> AuthBroker pipeline | | idpClient |
|
||||
+-----------------+-----------------+ +--------+---------+
|
||||
| ^
|
||||
v |
|
||||
+-----------------------------------------------------------+
|
||||
| AuthBroker (SINGLE WRITER to the cache) |
|
||||
| validate(raw) -> ValidatedToken | throws TokenInvalidError
|
||||
| resolvePolicy(ctx, token) -> Policy | throws PolicyLookupError
|
||||
| dispatch(ctx, policy) -> Result | throws DispatchError |
|
||||
| tenantStatus(ctx) -> active | suspended |
|
||||
| applyMutation(ctx, op) // atomic per-key adapter op |
|
||||
+-----------------+-------------------------+---------------+
|
||||
| reads + writes | status reads / mutation requests
|
||||
v |
|
||||
+----------------------------+ +---------+----------------+
|
||||
| existing cache adapter |<----| SessionMint (READ-ONLY |
|
||||
| key = TenantContext |read | on the adapter) |
|
||||
| {tenant, issuer, | | mint(ctx, token): |
|
||||
| audience, policyVersion} | | 1. broker.tenantStatus |
|
||||
| evict on expiry | | 2. refuse if suspended |
|
||||
| invalidate on logout / | | 3. broker.applyMutation|
|
||||
| revoke / suspend | | (register session |
|
||||
+----------------------------+ | under tenant key) |
|
||||
+--------------------------+
|
||||
|
||||
TenantContext is built in exactly ONE function, from the VALIDATED token,
|
||||
never from raw request input. The adapter accepts nothing else.
|
||||
```
|
||||
|
||||
### Decisions recorded
|
||||
|
||||
**Issue 1 [P1] (confidence 8/10) PLAN.md:19-20, PLAN.md:10. Chosen 1A: single writer.**
|
||||
Two unconstrained writers to the same tenant key with no serialized mutations produce lost updates that are silent and security-adjacent (a revoked token reappearing until eviction, a fresh session read as expired). `AuthBroker` is the only component that calls the adapter's write or delete operations, and it does so through atomic per-key operations (`getOrSet`, compare-and-swap). If the adapter lacks such an operation, add it to the adapter with its own test; do not emulate it in the service. `SessionMint` reads through the injected adapter and requests writes via `AuthBroker.applyMutation`. Test: two concurrent mutations on one tenant key, deterministic interleaving via a controllable adapter stub, assert final state and no lost update.
|
||||
|
||||
**Issue 2 [P2] (confidence 6/10, medium: verify the adapter's hook timing during implementation) PLAN.md:8-9. Chosen 2A: re-check at mint plus register for invalidation.**
|
||||
Invalidation on tenant suspension is reactive. A mint that reads "valid" then completes after the suspension hook fires creates a live session on a suspended tenant that the hook never saw. `SessionMint.mint` calls `AuthBroker.tenantStatus(ctx)` immediately before minting and throws `TenantSuspendedError` if suspended. Minted sessions are written under the tenant key so the existing suspension hook evicts them. Tests: suspend between validate and mint, assert refusal; suspend after mint, assert the session is evicted; normal path, assert one extra status read and a cache hit.
|
||||
|
||||
### Security architecture notes
|
||||
|
||||
- `TenantContext` fields come from the validated token's claims (D8). A request header naming a different tenant never influences the cache key.
|
||||
- Every typed error carries the tenant ID for logging but never the raw token.
|
||||
- The flag (D11) is evaluated per tenant and read once per request; a flag-service outage falls back to the legacy path (safe default until the legacy path is deleted).
|
||||
|
||||
### Production failure scenarios for each new codepath
|
||||
|
||||
| Codepath | Realistic failure | Handled by plan? |
|
||||
|---|---|---|
|
||||
| `AuthBroker.validate` fan-out | One IDP endpoint hangs | Yes: per-call timeout, `IdpUnavailableError` names the call (D10) |
|
||||
| `AuthBroker.validate` fan-out | Traffic spike, same tenant, 5N calls | Yes: single-flight per `TenantContext` (D10) |
|
||||
| `AuthBroker.applyMutation` | Two writers interleave | Yes: single writer + atomic per-key op (D5) |
|
||||
| `SessionMint.mint` | Tenant suspended mid-flight | Yes: mint-time status check + registration (D6) |
|
||||
| `TenantContext` builder | Caller passes request-derived tenant | Yes: type accepts only builder output; builder reads token claims (D8) |
|
||||
| Entry flag | Flag service unreachable | Yes: default to legacy until deletion (D11) |
|
||||
| `validate` / `resolvePolicy` / `dispatch` | Downstream throws | Yes: typed error union, one boundary handler logs and maps (D7) |
|
||||
|
||||
## Code quality
|
||||
|
||||
**Issue 3 [P1] (confidence 8/10) PLAN.md:23-24. Chosen 3A: split and surface.**
|
||||
`validateAndDispatch()` (60 lines, three nested try/catch, each swallowing a different error class) becomes three functions of roughly 15 lines each: `validate`, `resolvePolicy`, `dispatch`. Each returns a value or throws one member of a typed `AuthError` union (`TokenInvalidError`, `PolicyLookupError`, `DispatchError`, plus `TenantSuspendedError` and `IdpUnavailableError` from the sections above). Exactly one catch, at the request boundary, maps each error to a response and logs with tenant ID. Sequence: land the regression suite (T1) first, then this split, then the multi-tenant behavior. Tests: one per error class asserting it is surfaced, not swallowed; one asserting an unknown error is rethrown, not mapped.
|
||||
|
||||
**Issue 4 [P2] (confidence 6/10, medium: verify how the adapter exposes its key builder) PLAN.md:7-8, PLAN.md:19-20. Chosen 4A: one `TenantContext`.**
|
||||
The four-field key is assembled in exactly one function next to the adapter, from the validated token. The adapter's public operations accept `TenantContext` only. Existing callers migrate in this change and are covered by T1. Tests: two tenants with the same issuer and audience share no entry; the builder test asserts fields come from token claims and ignores request input; a policy-version bump produces a distinct key.
|
||||
|
||||
DRY sweep beyond issue 4: the five IDP calls share one timeout wrapper and one error-mapping function (not five copies). The flag check lives in one place at the entry point.
|
||||
|
||||
Over/under-engineering: after D4 the design has two services, one adapter, one context type, one pure policy resolver, one flag. That is engineered enough for the stated goal; nothing is left that exists only for a hypothetical future.
|
||||
|
||||
Existing ASCII diagrams: none found in the repository (no source files present in this fixture). Add the diagrams listed under "Diagrams to embed in code".
|
||||
|
||||
## Tests
|
||||
|
||||
Test framework detection: no `package.json`, no test files in this repository snapshot. Test file names below follow the `*.test.ts` convention and must be adjusted to the real repository's convention at implementation time. Coverage diagram still applies.
|
||||
|
||||
### REGRESSION (CRITICAL, mandatory under the regression rule, no question asked)
|
||||
|
||||
PLAN.md:27-28 rewrites `legacyAuthFlow()` with no regression test, and PLAN.md:14-16 explicitly excludes it from planned coverage. This is a modification of existing behavior with no coverage of the changed path. **T1 is a blocking requirement:** before any rewrite, capture the current behavior of `legacyAuthFlow()` and `validateAndDispatch()` as a characterization suite: every accepted token shape, every rejected token shape, every error response, for at least two tenants. The same suite runs against the `AuthBroker` path behind the flag and must produce identical outcomes (parity oracle for D11). The split in issue 3 also modifies existing behavior and is covered by the same suite.
|
||||
|
||||
### Coverage diagram
|
||||
|
||||
```
|
||||
CODE PATHS USER FLOWS
|
||||
[~] auth entry (flag) [+] Login (new tenant path)
|
||||
├── [GAP] flag on -> AuthBroker path ├── [GAP] [→E2E] login -> validate -> mint -> request OK
|
||||
├── [GAP] flag off -> legacyAuthFlow (parity) ├── [GAP] [→E2E] two tenants concurrently, isolated
|
||||
└── [GAP] flag service unreachable -> legacy default └── [GAP] double-submit login: one session, one IDP burst
|
||||
[~] legacyAuthFlow() **REGRESSION** [+] Revocation / suspension
|
||||
└── [GAP] CRITICAL characterization suite (T1) ├── [GAP] [→E2E] revoke -> next request denied
|
||||
[~] validateAndDispatch() -> validate/resolvePolicy/dispatch ├── [GAP] [→E2E] suspend -> next request denied, mint refused
|
||||
├── [GAP] validate: valid / TokenInvalidError └── [GAP] suspend tenant A, tenant B unaffected
|
||||
├── [GAP] resolvePolicy: found / PolicyLookupError [+] Error states the user sees
|
||||
├── [GAP] dispatch: ok / DispatchError ├── [GAP] IDP down: clear "identity provider unavailable"
|
||||
└── [GAP] boundary: each error mapped; unknown rethrown ├── [GAP] suspended tenant: clear tenant-suspended error
|
||||
[+] AuthBroker └── [GAP] invalid token: explicit 401, never a silent pass
|
||||
├── [GAP] 5 IDP calls in parallel, all succeed [+] Boundary states
|
||||
├── [GAP] one call times out -> IdpUnavailableError ├── [GAP] expired cache entry re-validated, not served
|
||||
├── [GAP] one call rejects -> first error, others ignored └── [GAP] policy version bump -> old entry not reused
|
||||
├── [GAP] single-flight: N concurrent = 1 fan-out
|
||||
├── [GAP] single-flight entry cleared on failure
|
||||
├── [GAP] applyMutation atomic: concurrent ops, no lost update
|
||||
└── [GAP] tenantStatus: active / suspended
|
||||
[+] SessionMint
|
||||
├── [GAP] mint happy path (status read hits cache)
|
||||
├── [GAP] suspended before mint -> TenantSuspendedError
|
||||
├── [GAP] suspended after mint -> session evicted by hook
|
||||
└── [GAP] never calls adapter write/delete (contract test)
|
||||
[+] TenantContext builder
|
||||
├── [GAP] fields from token claims, request input ignored
|
||||
├── [GAP] two tenants same issuer/audience -> distinct keys
|
||||
└── [GAP] policy version bump -> distinct key
|
||||
[+] resolvePolicy (pure)
|
||||
├── [GAP] known tenant -> policy
|
||||
└── [GAP] unknown tenant -> PolicyLookupError
|
||||
|
||||
COVERAGE: 0/33 paths tested (0%) | Code paths: 0/22 (0%) | User flows: 0/11 (0%)
|
||||
QUALITY: ★★★:0 ★★:0 ★:0 | GAPS: 33 (5 E2E, 0 eval, 1 CRITICAL regression)
|
||||
```
|
||||
|
||||
Legend: ★★★ behavior + edge + error | ★★ happy path | ★ smoke check | [→E2E] needs integration test. Coverage is 0% because no code exists yet in this snapshot; every path above is a test requirement for implementation, not a follow-up.
|
||||
|
||||
### Test requirements (write alongside the code, not after)
|
||||
|
||||
- `legacyAuthFlow.regression.test` (T1, CRITICAL): characterization suite described above; runs against both flag states.
|
||||
- `errors.test`: one case per `AuthError` member asserting surfaced-not-swallowed; unknown error rethrown at the boundary.
|
||||
- `authBroker.idp.test`: parallel success; timeout on call k of 5 for each k; rejection on one call; single-flight de-dup under N concurrent callers; single-flight entry cleared after failure.
|
||||
- `authBroker.interleaving.test`: two concurrent mutations on one key via a controllable adapter stub; final state asserted; no lost update.
|
||||
- `sessionMint.test`: happy path; suspended-before-mint refusal; suspended-after-mint eviction; contract test that `SessionMint` never invokes adapter write/delete.
|
||||
- `tenantContext.test`: builder ignores request input; isolation across tenants sharing issuer and audience; policy-version key change.
|
||||
- `resolvePolicy.test`: pure function, known and unknown tenant.
|
||||
- `cutover.test`: flag on, flag off, flag service unreachable defaults to legacy.
|
||||
- `authJourney.e2e.test` (T8, D9 option 5A): two tenants; login, validate (IDP mocked at the network edge), mint, authenticated request, revoke, denied; suspend tenant A, A denied and A's in-flight mint refused, B unaffected; double-submit login produces one session and one IDP fan-out.
|
||||
|
||||
QA test plan artifact written to `~/.gstack/projects/gstack-plan-count-v3IR5h/vercel-sandbox-main-eng-review-test-plan-20260910-193446.md` for `/qa` and `/qa-only`.
|
||||
|
||||
## Performance
|
||||
|
||||
**Issue 6 [P2] (confidence 8/10) PLAN.md:31-32. Chosen 6A: parallel with guards.**
|
||||
The five IDP calls run under `Promise.all` (all results are required; partial success is not a valid token, so `allSettled` is the wrong tool here). Each call is wrapped in a timeout. Concurrent validations for the same `TenantContext` share one in-flight promise (single-flight map keyed by the context, entry removed on settle, including failure). The first rejection maps to `IdpUnavailableError` naming the failing call. Expected effect: uncached login latency falls from five round trips to one; peak IDP concurrency under a spike is 5 per distinct tenant context, not 5 per request.
|
||||
|
||||
No N+1 or memory concerns beyond the single-flight map, which is bounded by the number of distinct in-flight tenant contexts and self-clears.
|
||||
|
||||
## Implementation steps (ordered)
|
||||
|
||||
1. **T1** Characterization suite for `legacyAuthFlow()` and `validateAndDispatch()`. Green on current code before anything else changes.
|
||||
2. **T4** `TenantContext` type and builder; adapter accepts `TenantContext`; migrate existing callers; T1 still green.
|
||||
3. **T2** Split `validateAndDispatch()`; typed `AuthError` union; boundary handler; T1 still green.
|
||||
4. **T3 + T9** `AuthBroker` and `SessionMint` with injected adapter; single-writer contract; `RequestPolicy` as typed object + `resolvePolicy`; atomic per-key adapter op added if missing.
|
||||
5. **T5** Mint-time tenant status check; session registration under tenant key.
|
||||
6. **T6** Parallel IDP validation with timeout, single-flight, typed error.
|
||||
7. **T7** Per-tenant flag at the entry point; run T1 against both paths; default to legacy on flag outage; dated removal TODO.
|
||||
8. **T8** Two-tenant E2E journey.
|
||||
9. **T10** ASCII diagrams in code (below).
|
||||
|
||||
## Diagrams to embed in code
|
||||
|
||||
- `AuthBroker` module header: the validate → resolvePolicy → dispatch pipeline with the fan-out and single-flight box (the architecture diagram above, trimmed to the broker).
|
||||
- Cache adapter module header: `TenantContext` → key, and the three invalidation triggers → eviction.
|
||||
- Entry module: the cutover state machine below.
|
||||
|
||||
```
|
||||
flag(tenant) = off flag(tenant) = on legacy deleted
|
||||
+----------------+ enable +------------------+ 100% +---------------+
|
||||
| legacyAuthFlow |----------->| AuthBroker path |-------->| AuthBroker |
|
||||
| (default on |<-----------| (T1 parity | | only |
|
||||
| flag outage) | rollback | suite green) | | |
|
||||
+----------------+ +------------------+ +---------------+
|
||||
```
|
||||
|
||||
Diagram maintenance is part of every later change to these modules.
|
||||
|
||||
## Failure modes
|
||||
|
||||
| New codepath | Failure | Test? | Handling? | User sees | Critical gap? |
|
||||
|---|---|---|---|---|---|
|
||||
| IDP fan-out | timeout on one call | yes | `IdpUnavailableError` | clear "IDP unavailable" | no |
|
||||
| IDP fan-out | spike, 5N calls | yes | single-flight | normal latency | no |
|
||||
| single-flight map | entry not cleared after failure | yes | clear on settle | retry works | no |
|
||||
| `applyMutation` | lost update | yes | single writer + atomic op | correct state | no |
|
||||
| `SessionMint.mint` | tenant suspended mid-flight | yes | `TenantSuspendedError` | clear suspended error | no |
|
||||
| `TenantContext` builder | request-derived tenant | yes | type + builder | correct tenant only | no |
|
||||
| boundary handler | unknown error class | yes | rethrow, log | 500 with correlation id | no |
|
||||
| entry flag | flag service down | yes | default legacy | unchanged behavior | no |
|
||||
| `legacyAuthFlow` rewrite | behavior drift | yes (T1) | parity gate on flag | unchanged behavior | no |
|
||||
|
||||
Critical gaps flagged: 0. Before the review, the three swallowed error classes in `validateAndDispatch()` (PLAN.md:23-24) were untested, unhandled, and silent; D7 closes that.
|
||||
|
||||
## NOT in scope
|
||||
|
||||
- **Deleting `legacyAuthFlow()`**: deferred until the flag is at 100% with the parity suite green; tracked by the dated removal TODO created in T7.
|
||||
- **Tenant-mismatch observability counter (TODO 2, D12)**: valuable, separable; lands after the refactor stabilizes. Recorded below for TODOS.md.
|
||||
- **Encrypting cached tokens at rest**: raised by research on distributed token caches; the plan does not change the adapter's storage backend, so this is separate scope for the adapter owner.
|
||||
- **Per-tenant issuer isolation (separate JWKS per tenant)**: architectural change to the IDP relationship, not this refactor.
|
||||
- **Distribution**: no new artifact type (binary, package, image) is introduced; no pipeline change needed.
|
||||
|
||||
## TODOS.md updates
|
||||
|
||||
`TODOS.md` does not exist in this repository and cannot be created while plan mode is active. Create it with the entry below when implementation starts (format per gstack `TODOS-format.md`).
|
||||
|
||||
```markdown
|
||||
# TODOS
|
||||
|
||||
## Auth
|
||||
|
||||
### Tenant-mismatch cache-read counter (cross-tenant leak detector)
|
||||
|
||||
**What:** On every adapter read, compare the tenant ID stored in the entry with the requesting `TenantContext`; on mismatch increment a metric, log at error level with both tenant IDs, and treat the read as a miss.
|
||||
|
||||
**Why:** Cache leakage is operationally invisible: latency and error rate look healthy while one tenant sees another's auth state. CI isolation tests (tenantContext.test, authJourney.e2e.test) prove isolation under test traffic only. This is the one runtime signal that fires in production.
|
||||
|
||||
**Context:** Decided in /plan-eng-review D12 (2026-09-10) as a follow-up rather than part of the refactor PR to keep that diff right-sized. Implement next to the `TenantContext` builder so the comparison is written once. Store the tenant ID in the entry payload (one extra field). Wire the metric to the existing alerting with a page-level threshold of 1.
|
||||
|
||||
**Effort:** S
|
||||
**Priority:** P2
|
||||
**Depends on:** `TenantContext` (T4) landed.
|
||||
```
|
||||
|
||||
TODO 1 (feature-flagged cutover) was chosen as "build it now" (D11) and is T7 above, not a TODOS.md entry.
|
||||
|
||||
## Worktree parallelization strategy
|
||||
|
||||
| Step | Modules touched | Depends on |
|
||||
|---|---|---|
|
||||
| T1 regression suite | tests/ | — |
|
||||
| T4 TenantContext + adapter signature | cache adapter, auth/ (callers) | T1 |
|
||||
| T2 split validateAndDispatch | auth/ (entry pipeline) | T1 |
|
||||
| T3 + T9 AuthBroker, SessionMint, resolvePolicy | auth/ (new modules), cache adapter (atomic op) | T4 |
|
||||
| T5 mint-time status check | auth/SessionMint | T3 |
|
||||
| T6 parallel IDP | auth/AuthBroker, idp client | T3 |
|
||||
| T7 flag cutover | auth entry, config | T2, T3 |
|
||||
| T8 E2E | tests/e2e | T5, T6, T7 |
|
||||
| T10 diagrams | auth/, cache adapter | T3 |
|
||||
|
||||
Lanes:
|
||||
- Lane A: T1 → T4 → T3+T9 → T5 → T6 (sequential, shared auth/ and adapter)
|
||||
- Lane B: T2 (after T1; touches the entry pipeline only)
|
||||
- Lane C: T7 (after T2 and T3), then T8, then T10
|
||||
|
||||
Execution order: T1 first, alone. Then launch A (from T4) and B (T2) in parallel worktrees. Merge both. Then C sequentially.
|
||||
|
||||
Conflict flag: Lanes A and B both touch `auth/`. T2 edits the existing pipeline function, T4/T3 add new modules and change adapter call sites. Keep T2 from touching adapter call sites (leave those to T4) to avoid a merge conflict, or run B after T4.
|
||||
|
||||
## Implementation Tasks
|
||||
Synthesized from this review's findings. Each task derives from a specific
|
||||
finding above. Run with Claude Code or Codex; checkbox as you ship.
|
||||
|
||||
- [ ] **T1 (P1, human: ~1 day / CC: ~15 min)** — tests — Write the characterization/regression suite for `legacyAuthFlow()` and `validateAndDispatch()` before any rewrite (CRITICAL)
|
||||
- Surfaced by: Test review, REGRESSION RULE — PLAN.md:27-28 rewrites legacyAuthFlow() with no regression test
|
||||
- Files: legacy auth flow module, tests/auth/legacyAuthFlow.regression
|
||||
- Verify: suite green on current code; later green on both flag states
|
||||
- [ ] **T2 (P1, human: ~1 day / CC: ~15 min)** — auth pipeline — Split `validateAndDispatch()` into validate / resolvePolicy / dispatch with a typed `AuthError` union and one boundary handler
|
||||
- Surfaced by: Code quality issue 3 (D7, 3A) — PLAN.md:23-24
|
||||
- Files: auth pipeline module, auth/errors, tests/auth/errors
|
||||
- Verify: one test per error class surfaced; unknown error rethrown; T1 green
|
||||
- [ ] **T3 (P1, human: ~1.5 days / CC: ~20 min)** — AuthBroker / SessionMint — Constructor-inject the adapter; AuthBroker single writer via atomic per-key ops; SessionMint read-only, requests mutations
|
||||
- Surfaced by: Step 0 D4 + Architecture issue 1 (D5, 1A) — PLAN.md:19-20, PLAN.md:10
|
||||
- Files: auth/AuthBroker, auth/SessionMint, cache adapter (atomic op), tests/auth/interleaving
|
||||
- Verify: interleaving test, SessionMint write-contract test
|
||||
- [ ] **T4 (P1, human: ~half day / CC: ~10 min)** — cache adapter — `TenantContext` type built once from the validated token; adapter accepts only `TenantContext`
|
||||
- Surfaced by: Code quality issue 4 (D8, 4A) — PLAN.md:7-8
|
||||
- Files: cache adapter, auth/TenantContext, tests/cache/tenantIsolation
|
||||
- Verify: isolation and builder tests; T1 green after caller migration
|
||||
- [ ] **T5 (P1, human: ~half day / CC: ~10 min)** — SessionMint — Mint-time tenant status check (`TenantSuspendedError`) and session registration under the tenant key
|
||||
- Surfaced by: Architecture issue 2 (D6, 2A) — PLAN.md:8-9
|
||||
- Files: auth/SessionMint, tests/auth/sessionMint.suspension
|
||||
- Verify: suspend-before-mint refused; suspend-after-mint evicted
|
||||
- [ ] **T6 (P2, human: ~1 day / CC: ~15 min)** — AuthBroker — Parallel IDP validation: `Promise.all` + per-call timeout + single-flight per `TenantContext` + `IdpUnavailableError`
|
||||
- Surfaced by: Performance issue 6 (D10, 6A) — PLAN.md:31-32
|
||||
- Files: auth/AuthBroker, idp client, tests/auth/idp.parallel
|
||||
- Verify: timeout per call k; rejection; N concurrent = one fan-out; entry cleared on failure
|
||||
- [ ] **T7 (P2, human: ~1 day / CC: ~15 min)** — auth entry — Per-tenant flag selecting legacy vs AuthBroker; T1 runs against both; legacy default on flag outage; dated removal TODO
|
||||
- Surfaced by: TODO 1 (D11, build now) — PLAN.md:27-28 big-bang rewrite
|
||||
- Files: auth entry module, config/flags, tests/auth/cutover
|
||||
- Verify: cutover tests; parity suite green both ways
|
||||
- [ ] **T8 (P1, human: ~1 day / CC: ~15 min)** — tests/e2e — Two-tenant journey: login → validate → mint → revoke → denied; suspend → denied; IDP mocked at the network edge
|
||||
- Surfaced by: Test issue 5 (D9, 5A) — PLAN.md:14-16
|
||||
- Files: tests/e2e/authJourney
|
||||
- Verify: journey passes; tenant B unaffected by tenant A's revocation and suspension
|
||||
- [ ] **T9 (P2, human: ~half day / CC: ~10 min)** — scope — Fold `TokenStore` into the adapter; `RequestPolicy` becomes a typed object plus pure `resolvePolicy`
|
||||
- Surfaced by: Step 0 complexity check (D4, A) — PLAN.md:35-36
|
||||
- Files: auth/RequestPolicy (→ types + resolver), cache adapter
|
||||
- Verify: resolvePolicy tests; class count = 2
|
||||
- [ ] **T10 (P2, human: ~2h / CC: ~5 min)** — docs — ASCII diagrams in AuthBroker, adapter, and entry module headers
|
||||
- Surfaced by: Required outputs, Diagrams
|
||||
- Files: auth/AuthBroker, cache adapter, auth entry module
|
||||
- Verify: diagrams match the shipped code paths
|
||||
- [ ] **T11 (P3, human: ~half day / CC: ~10 min)** — observability — Tenant-mismatch cache-read counter (TODOS.md follow-up)
|
||||
- Surfaced by: TODO 2 (D12, add to TODOS.md)
|
||||
- Files: cache adapter, metrics
|
||||
- Verify: mismatch increments metric, logs, returns miss
|
||||
|
||||
Tasks JSONL: `~/.gstack/projects/gstack-plan-count-v3IR5h/tasks-eng-review-20260910-193708.jsonl` (11 tasks).
|
||||
|
||||
## Completion summary
|
||||
|
||||
- Step 0: Scope Challenge — scope reduced per recommendation (D4: 4 classes → 2, adapter injected)
|
||||
- Architecture Review: 2 issues found (both resolved: 1A, 2A)
|
||||
- Code Quality Review: 2 issues found (both resolved: 3A, 4A)
|
||||
- Test Review: diagram produced, 33 gaps identified (1 CRITICAL regression, 5 E2E), all folded into test requirements; E2E decision 5A
|
||||
- Performance Review: 1 issue found (resolved: 6A)
|
||||
- NOT in scope: written
|
||||
- What already exists: written
|
||||
- TODOS.md updates: 2 items proposed (1 built now as T7, 1 added for TODOS.md)
|
||||
- Failure modes: 0 critical gaps flagged (the swallowed-error gap was closed by D7)
|
||||
- Outside voice: skipped (codex_reviews disabled by config)
|
||||
- Parallelization: 3 lanes, 2 parallel / 1 sequential
|
||||
- Lake Score: 6/6 scored recommendations chose the complete option
|
||||
|
||||
Retrospective learning: the branch has a single commit (`0f0ecb4 Seed review plan`); no prior review cycle to compare against.
|
||||
|
||||
## Suppressed findings (appendix, confidence below the display threshold)
|
||||
|
||||
- (confidence 5/10) Audience and issuer for the cache key might currently be derived from request input rather than token claims in existing callers. Cannot quote code in this snapshot. D8's builder makes this moot for new code; check existing callers during T4.
|
||||
- (confidence 4/10) The cache adapter's stored payload may not be encrypted at rest. Storage backend is not changed by this plan; listed under NOT in scope.
|
||||
- (confidence 4/10) The five IDP calls may include discovery/JWKS fetches that are cacheable independently of token validity; if so, cache them with a 5-15 minute TTL inside the IDP client. Verify during T6.
|
||||
|
||||
## GSTACK REVIEW REPORT
|
||||
|
||||
| Review | Trigger | Why | Runs | Status | Findings |
|
||||
|--------|---------|-----|------|--------|----------|
|
||||
| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |
|
||||
| Outside Review | codex via `/plan-eng-review` (plan-review phase) | Independent 2nd opinion | 1 | disabled | outside_status: disabled (codex_reviews=disabled); no outside findings |
|
||||
| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (PLAN, SCOPE_REDUCED) | 7 issues, 0 critical gaps |
|
||||
| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |
|
||||
| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |
|
||||
|
||||
**OUTSIDE COVERAGE:** provider codex, phase plan-review, completion state disabled (user config `codex_reviews=disabled`), findings none. No native fallback was dispatched because disabled is an intentional opt-out, not a provider failure. Outside coverage for this plan is absent.
|
||||
|
||||
**VERDICT:** ENG CLEARED — ready to implement.
|
||||
|
||||
NO UNRESOLVED DECISIONS
|
||||
-9
@@ -1,9 +0,0 @@
|
||||
{
|
||||
"source": "cdd39ee07533718765a59640b58faa73f5a54135",
|
||||
"originalOutcome": "FAIL: missing distinct shared-cache and regression parser rejection",
|
||||
"originalPlanSha256": "aa4d80083dbbb80a369146c71070606db4bd0ca87b146ddcfbf53e13f723bab9",
|
||||
"parts": [
|
||||
"### R8: Regression contract for legacyAuthFlow() parity (IRON RULE)\nFinding: T1, P1 CRITICAL, confidence 9/10, PLAN.md:23-25 \"That coverage does not exercise legacyAuthFlow() or assert compatibility with its prior behavior\" + PLAN.md:36-37 \"no regression test for the prior behavior is planned\"; reviewer: Claude\nPlan baseline: no regression coverage. D3 = A makes legacyAuthFlow() the fallback and requires \"parity proven\" before deletion, but HOW parity is proven was unapproved.\nRuntime evidence: unknown \u2014 legacyAuthFlow() not in repo; its callers and behavior must be enumerated during implementation.\nState: approved\nComparison grid:\n\n| Choice | Current | A | B | C |\n|---|---|---|---|---|\n| R8 parity proof | none | characterization suite + shadow compare: (1) record legacyAuthFlow() input\u2192outcome fixtures for every allow, deny and error class per tenant type; run both paths against them in CI; (2) with flag in \"shadow\" mode, run both paths in prod, serve legacy result, log any mismatch with tenant id + reason kind | characterization suite only (CI) | shadow compare only (prod) |\n| Behavior to preserve | unstated | allow/deny outcome, error class \u2192 response mapping, cache entries written (key + TTL), invalidation on logout/revocation/suspension | same | same, observed at runtime only |\n| Intentional differences | unstated | fail-closed on formerly swallowed errors (D7): listed explicitly as expected mismatches | same | same |\n| Deletion gate for legacy | unstated | 0 unexpected mismatches over an agreed window (proposal: 7 days, \u22651 canary tenant per tenant type) | green CI suite | 0 mismatches over the window |\n| R1/R7 | approved | fixed | fixed | fixed |\n\nQuestion D8:\nD8 \u2014 How do we prove the new path matches legacyAuthFlow() before deleting it: characterization tests plus shadow comparison, tests only, or shadow only?\nHeader: Regression\nOptions:\nA) Characterization suite + shadow-mode comparison (recommended)\nB) Characterization suite only\nC) Shadow-mode comparison only\nActual answer: A \u2014 Characterization suite + shadow-mode comparison (user answer to D8)\nAccepted scope: (1) `legacyAuthFlow.characterization.test` \u2014 fixture table of inputs \u2192 {outcome, error kind, cache writes} recorded from legacyAuthFlow(), run against both legacyAuthFlow() and AuthBroker.validateAndDispatch() in CI; covers every allow, deny and each formerly swallowed error class, per tenant type. (2) Flag gains a third state `SHADOW`: run both paths, serve legacy, emit `auth.parity.mismatch{tenant, kind}` on disagreement. (3) Expected-mismatch allowlist: D7 fail-closed cases. (4) Legacy deletion gate: 0 unexpected mismatches over 7 days with \u22651 canary tenant per tenant type. Behavior preserved: allow/deny outcome, error class \u2192 response mapping, cache entries written (key + TTL), invalidation on logout/revocation/suspension.\nHistory: none\n\n",
|
||||
"- [ ] **T6 (P1 CRITICAL, human: ~3 days / CC: ~45 min)** \u2014 test/characterization, auth/routing \u2014 Characterization suite from legacyAuthFlow() run against both paths; SHADOW compare + `auth.parity.mismatch` metric + D7 allowlist\n - Surfaced by: Test review T1 / D8 (PLAN.md:23-25, :36-37)\n - Files: test/characterization/legacyAuthFlow.characterization.test, auth/routing/shadowCompare\n - Verify: suite green on both paths; deliberately broken fixture emits mismatch; allowlisted case does not\n"
|
||||
]
|
||||
}
|
||||
-460
@@ -1,460 +0,0 @@
|
||||
{
|
||||
"source": "c6fc33c5c375f0a9252a9aba5c256b21a8885db5",
|
||||
"actualOutcome": "CANCELLED",
|
||||
"startedAt": 1789548725627,
|
||||
"finishedAt": 1789550250000,
|
||||
"transcript": {
|
||||
"status": "ready",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01VEf4wbWLKTkBJrYrY2ZewV",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 \u2014 Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo; one-time gstack onboarding prompt before the PLAN.md engineering review.\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules, so that asking for \"review the architecture\" or \"investigate this bug\" automatically routes to the right skill. This is a one-time question per project. Plan mode is active, so if you say yes the CLAUDE.md append and commit happen after plan mode ends, not now.\nStakes if we pick wrong: Without routing you invoke skills by name manually; with it, a CLAUDE.md commit lands in a fixture repo that may not want it.\nRecommendation: A because routing rules are cheap, reversible, and remove a recurring manual step.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: convenience of auto-routing vs keeping the fixture's CLAUDE.md untouched.",
|
||||
"header": "Routing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add routing rules (recommended)",
|
||||
"description": "\u2705 Requests like \"review the architecture\" auto-route to the right gstack skill\n\u2705 Reversible: a plain markdown section, removable in one commit\n\u274c Adds a CLAUDE.md section and commit to this repo (deferred until plan mode exits)"
|
||||
},
|
||||
{
|
||||
"label": "No thanks, manual invocation",
|
||||
"description": "\u2705 Leaves this fixture repo's CLAUDE.md and git history untouched\n\u2705 You keep full control over when skills run\n\u274c Every skill must be typed by name; the prompt will not repeat for this project"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 \u2014 Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo; one-time gstack onboarding prompt before the PLAN.md engineering review.\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules, so that asking for \"review the architecture\" or \"investigate this bug\" automatically routes to the right skill. This is a one-time question per project. Plan mode is active, so if you say yes the CLAUDE.md append and commit happen after plan mode ends, not now.\nStakes if we pick wrong: Without routing you invoke skills by name manually; with it, a CLAUDE.md commit lands in a fixture repo that may not want it.\nRecommendation: A because routing rules are cheap, reversible, and remove a recurring manual step.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: convenience of auto-routing vs keeping the fixture's CLAUDE.md untouched.": "Add routing rules (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T08:52:41.877Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01BqT5xtm8VTaVxBP7fn21K2",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 \u2014 Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main branch of the plan-review fixture; one-time gstack setup before the PLAN.md engineering review.\nELI10: gstack keeps notes (\"learnings\") from past review sessions: pitfalls, patterns, things that bit you. By default it only looks at notes from this project. Cross-project mode also searches notes from your other repos on this machine. Everything stays local; nothing leaves the machine. Good for a solo developer; skip if you work on multiple client codebases where one client's patterns must not inform another's.\nStakes if we pick wrong: Enabled on a shared machine could surface one client's learnings while reviewing another's code; disabled means each project starts cold.\nRecommendation: A because this is a local-only fixture with no client-separation concern, and prior patterns make reviews sharper.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: sharper reviews from shared local history vs strict per-project isolation.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project (recommended)",
|
||||
"description": "\u2705 Reviews reuse pitfalls and patterns already learned in your other local repos\n\u2705 Stays entirely on this machine; no network, reversible with one config command\n\u274c Learnings from unrelated codebases may occasionally surface where they do not apply"
|
||||
},
|
||||
{
|
||||
"label": "Keep project-scoped",
|
||||
"description": "\u2705 Strict isolation: nothing from other client codebases informs this review\n\u2705 Zero chance of cross-contamination between separate customers' work\n\u274c Every new project starts with an empty learnings history"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 \u2014 Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main branch of the plan-review fixture; one-time gstack setup before the PLAN.md engineering review.\nELI10: gstack keeps notes (\"learnings\") from past review sessions: pitfalls, patterns, things that bit you. By default it only looks at notes from this project. Cross-project mode also searches notes from your other repos on this machine. Everything stays local; nothing leaves the machine. Good for a solo developer; skip if you work on multiple client codebases where one client's patterns must not inform another's.\nStakes if we pick wrong: Enabled on a shared machine could surface one client's learnings while reviewing another's code; disabled means each project starts cold.\nRecommendation: A because this is a local-only fixture with no client-separation concern, and prior patterns make reviews sharper.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: sharper reviews from shared local history vs strict per-project isolation.": "Enable cross-project (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T08:53:48.029Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01RnNVDqeJ1mDV4yCbB6WzGT",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 \u2014 Keep the IDP-call parallelization inside this refactor, or split it into its own change?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Scope Challenge complexity gate, feature cut/deferral 1 of 2.\nELI10: The plan promises \"no product behavior change\" (PLAN.md:8-9), then proposes firing 5 identity-provider calls at once instead of one after another (PLAN.md:40-41). Going parallel changes real things: the IDP sees 5 simultaneous requests per validation instead of a trickle, which error shows up first changes, and a failure in call 2 no longer prevents calls 3-5 from being sent. If a bug appears after shipping, you cannot tell whether the restructure or the speedup caused it.\nStakes if we pick wrong: Bundled, a latency win and a refactor share one blame radius and one rollback; deferred, users keep waiting on 5 serial round-trips a little longer.\nRecommendation: B because a refactor that claims zero behavior change should be verifiable as exactly that; the speedup is a 30-minute follow-up with its own tests once the structure lands.\nCompleteness: A=7/10, B=10/10, C=3/10\nNet: one faster PR with mixed blame vs two clean PRs, each provable on its own.",
|
||||
"header": "Parallelize",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Split into follow-up PR (recommended)",
|
||||
"description": "\u2705 The refactor stays a pure structural change you can diff-test against legacyAuthFlow() behavior\n\u2705 Parallelization lands next with its own error-semantics decision and load test (human: ~half day / CC: ~30 min)\n\u274c Users wait on 5 serial IDP round-trips for one more release cycle"
|
||||
},
|
||||
{
|
||||
"label": "Bundle it in this refactor",
|
||||
"description": "\u2705 One PR, latency win ships now alongside the reorganization\n\u2705 The IDP client is already being touched, so the edit is cheap (human: ~2h / CC: ~10 min)\n\u274c Mixes a behavior change into a \"no behavior change\" refactor; regressions become ambiguous to attribute"
|
||||
},
|
||||
{
|
||||
"label": "Drop it entirely",
|
||||
"description": "\u2705 Smallest possible scope for this work; nothing to decide about error semantics\n\u2705 No IDP rate-limit or burst-shape risk introduced\n\u274c Leaves a known, cheap, measurable latency fix on the floor with no owner"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 \u2014 Keep the IDP-call parallelization inside this refactor, or split it into its own change?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Scope Challenge complexity gate, feature cut/deferral 1 of 2.\nELI10: The plan promises \"no product behavior change\" (PLAN.md:8-9), then proposes firing 5 identity-provider calls at once instead of one after another (PLAN.md:40-41). Going parallel changes real things: the IDP sees 5 simultaneous requests per validation instead of a trickle, which error shows up first changes, and a failure in call 2 no longer prevents calls 3-5 from being sent. If a bug appears after shipping, you cannot tell whether the restructure or the speedup caused it.\nStakes if we pick wrong: Bundled, a latency win and a refactor share one blame radius and one rollback; deferred, users keep waiting on 5 serial round-trips a little longer.\nRecommendation: B because a refactor that claims zero behavior change should be verifiable as exactly that; the speedup is a 30-minute follow-up with its own tests once the structure lands.\nCompleteness: A=7/10, B=10/10, C=3/10\nNet: one faster PR with mixed blame vs two clean PRs, each provable on its own.": "Split into follow-up PR (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T08:55:19.788Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01Sj3kMV5WGrgRP5Y9N2eVK8",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 \u2014 What happens to `TokenStore`, the new class the plan names but never describes?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Scope Challenge complexity gate, feature cut/deferral 2 of 2.\nELI10: PLAN.md:44-45 lists five new classes. Four are explained somewhere in the plan. `TokenStore` is not: no job, no caller, no relation to `AuthCache`, which already stores tokens keyed by tenant, issuer, audience and policy version (PLAN.md:16-22). In an auth system, an unexplained second place that holds tokens is where stale-token and cross-tenant bugs hide. Either it has a real distinct job that belongs in the plan, or it is a leftover name.\nStakes if we pick wrong: Build it blind and you may ship two token stores with drifting invalidation rules; cut it and it turns out to hold something AuthCache cannot (e.g. refresh tokens or mint receipts), forcing a re-plan.\nRecommendation: A because the plan's own contract section says one backing cache; anything TokenStore would do either belongs in AuthCache or has not been justified yet. Re-add it with a written responsibility if a real gap appears.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: remove an undefined moving part now vs carry it forward on faith.",
|
||||
"header": "TokenStore",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Cut it from this plan (recommended)",
|
||||
"description": "\u2705 One token holder (the existing adapter behind AuthCache), one set of invalidation rules to reason about\n\u2705 Drops the class count to 4 and removes an undefined component from an auth path\n\u274c If SessionMint needs storage AuthCache cannot offer, it comes back as a re-plan item"
|
||||
},
|
||||
{
|
||||
"label": "Keep it, but define it before build",
|
||||
"description": "\u2705 Preserves the author's intent if TokenStore had a real distinct role (e.g. refresh tokens, mint receipts)\n\u2705 Forces a written responsibility, owner and invalidation contract into the plan before code (human: ~1h / CC: ~5 min)\n\u274c Keeps a fifth class alive on the assumption a justification exists; blocks Section 1 until it is written"
|
||||
},
|
||||
{
|
||||
"label": "Hold: discuss before deciding",
|
||||
"description": "\u2705 No structural call made without the author's context on what TokenStore was meant to hold\n\u2705 Keeps every other scope answer intact while we talk\n\u274c Stops the complexity gate here; the review cannot proceed to Section 1 until resolved"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 \u2014 What happens to `TokenStore`, the new class the plan names but never describes?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Scope Challenge complexity gate, feature cut/deferral 2 of 2.\nELI10: PLAN.md:44-45 lists five new classes. Four are explained somewhere in the plan. `TokenStore` is not: no job, no caller, no relation to `AuthCache`, which already stores tokens keyed by tenant, issuer, audience and policy version (PLAN.md:16-22). In an auth system, an unexplained second place that holds tokens is where stale-token and cross-tenant bugs hide. Either it has a real distinct job that belongs in the plan, or it is a leftover name.\nStakes if we pick wrong: Build it blind and you may ship two token stores with drifting invalidation rules; cut it and it turns out to hold something AuthCache cannot (e.g. refresh tokens or mint receipts), forcing a re-plan.\nRecommendation: A because the plan's own contract section says one backing cache; anything TokenStore would do either belongs in AuthCache or has not been justified yet. Re-add it with a written responsibility if a real gap appears.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: remove an undefined moving part now vs carry it forward on faith.": "Cut it from this plan (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T08:55:41.854Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01GBYgjgtt1bJXFsPjZx4RHv",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 \u2014 Which class arrangement for the remaining four components (AuthBroker, SessionMint, AuthCache, RequestPolicy)?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Scope Challenge complexity gate, structure choice. Feature set fixed by D3 (parallelization deferred) and D4 (TokenStore cut).\nELI10: Two of the four remaining classes carry no state. RequestPolicy takes claims plus context and returns allow/deny (PLAN.md:9-13); the author already flags its class boundary as \"a proposal to review\". AuthCache is a wrapper over an adapter that already does the keying, expiry and invalidation (PLAN.md:16-22). A stateless decision is clearest as a plain exported function. A wrapper is worth keeping only when it narrows a wide adapter to the few calls the services need, which also gives one place to hold the shared-instance decision coming in Section 1. This question picks structure only; how the cache instance is shared, error handling and tests are decided separately.\nStakes if we pick wrong: Too many classes means four files to read for one allow/deny decision; too few means AuthBroker and SessionMint each talk to the raw adapter and any future guard (serialization, metrics) lands in two places.\nRecommendation: B because RequestPolicy has nothing that needs a class, while AuthCache is the single seam both services share and the natural home for the Section 1 sharing fix.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: fewest files vs one deliberate seam for shared cache access.",
|
||||
"header": "Structure",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3 units: keep AuthCache seam, RequestPolicy as function (recommended)",
|
||||
"description": "\u2705 AuthBroker + SessionMint + AuthCache classes; RequestPolicy becomes a pure exported decide(claims, ctx) function in its own module, trivially unit-testable\n\u2705 AuthCache stays the one narrow interface both services use, so the Section 1 sharing decision and any future guard live in one place\n\u274c Still a facade whose only job today is narrowing the adapter API (human: ~1 day / CC: ~20 min)"
|
||||
},
|
||||
{
|
||||
"label": "2 classes: drop AuthCache too, services use the adapter directly",
|
||||
"description": "\u2705 Fewest moving parts: AuthBroker + SessionMint, RequestPolicy as a function, existing adapter reused as-is\n\u2705 No new cache abstraction to document or keep aligned with the adapter's tests (human: ~half day / CC: ~15 min)\n\u274c Both services depend on the adapter's full surface; a future serialization or tenant-scoping guard must be added in two call sites"
|
||||
},
|
||||
{
|
||||
"label": "Original 4 classes as planned",
|
||||
"description": "\u2705 Matches the author's proposal exactly; RequestPolicy as a class allows later injected policy variants\n\u2705 Uniform shape: every component is a class with the same construction pattern\n\u274c A class for a stateless allow/deny decision is ceremony; four classes plus 12 files for a no-behavior-change refactor (human: ~1.5 days / CC: ~25 min)"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 \u2014 Which class arrangement for the remaining four components (AuthBroker, SessionMint, AuthCache, RequestPolicy)?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Scope Challenge complexity gate, structure choice. Feature set fixed by D3 (parallelization deferred) and D4 (TokenStore cut).\nELI10: Two of the four remaining classes carry no state. RequestPolicy takes claims plus context and returns allow/deny (PLAN.md:9-13); the author already flags its class boundary as \"a proposal to review\". AuthCache is a wrapper over an adapter that already does the keying, expiry and invalidation (PLAN.md:16-22). A stateless decision is clearest as a plain exported function. A wrapper is worth keeping only when it narrows a wide adapter to the few calls the services need, which also gives one place to hold the shared-instance decision coming in Section 1. This question picks structure only; how the cache instance is shared, error handling and tests are decided separately.\nStakes if we pick wrong: Too many classes means four files to read for one allow/deny decision; too few means AuthBroker and SessionMint each talk to the raw adapter and any future guard (serialization, metrics) lands in two places.\nRecommendation: B because RequestPolicy has nothing that needs a class, while AuthCache is the single seam both services share and the natural home for the Section 1 sharing fix.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: fewest files vs one deliberate seam for shared cache access.": "3 units: keep AuthCache seam, RequestPolicy as function (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T08:56:27.990Z"
|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 \u2014 How should AuthBroker and SessionMint get the shared AuthCache instance?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Section 1 Architecture, finding A1 (PLAN.md:28-29).\nELI10: The plan has both services import one cache object from a module and write to it (PLAN.md:28-29). That works until you need two of them: a test that wants a clean cache per case, a second broker for a different tenant pool, or a bundler or test runner that loads the module twice and quietly gives each service a different cache. Handing the cache in through each service's constructor makes the dependency visible and gives you one obvious place (app startup) that owns the single instance.\nStakes if we pick wrong: Tests that pass alone and fail together, or a mint that writes to a cache the broker never reads, both of which look like random auth failures in production.\nRecommendation: A because the plan already promises \"one backing cache\"; constructing it once at startup and injecting it is the standard [Layer 1] way to make that promise true and testable.\nCompleteness: A=10/10, B=3/10, C=7/10\nNet: explicit single ownership at startup vs convenience of a global import.",
|
||||
"header": "Cache sharing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Construct once at the composition root, inject into both constructors (recommended)",
|
||||
"description": "\u2705 Dependency is explicit in each constructor; a test builds a fresh AuthCache per case with no module reset tricks. \u2705 Exactly one instance by construction, so the \"one backing cache\" contract is enforced where the app boots (human: ~2h / CC: ~10 min). \u274c Every place that constructs AuthBroker or SessionMint must now pass the cache; call sites change."
|
||||
},
|
||||
{
|
||||
"label": "Keep the module-level exported singleton as planned",
|
||||
"description": "\u2705 Zero call-site changes; import and go. \u2705 Simplest to write today (human: ~0 / CC: ~0). \u274c Hidden global coupling; test isolation requires jest.resetModules or manual clearing, and duplicate module instances silently split the cache."
|
||||
},
|
||||
{
|
||||
"label": "Module export as default, optional constructor override",
|
||||
"description": "\u2705 Existing call sites keep working; tests can still inject a fresh instance. \u2705 Incremental: can migrate call sites to explicit injection later (human: ~1h / CC: ~5 min). \u274c Two ways to obtain the cache; the default path still hides the dependency and keeps the duplicate-instance risk in production."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 \u2014 How should AuthBroker and SessionMint get the shared AuthCache instance?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Section 1 Architecture, finding A1 (PLAN.md:28-29).\nELI10: The plan has both services import one cache object from a module and write to it (PLAN.md:28-29). That works until you need two of them: a test that wants a clean cache per case, a second broker for a different tenant pool, or a bundler or test runner that loads the module twice and quietly gives each service a different cache. Handing the cache in through each service's constructor makes the dependency visible and gives you one obvious place (app startup) that owns the single instance.\nStakes if we pick wrong: Tests that pass alone and fail together, or a mint that writes to a cache the broker never reads, both of which look like random auth failures in production.\nRecommendation: A because the plan already promises \"one backing cache\"; constructing it once at startup and injecting it is the standard [Layer 1] way to make that promise true and testable.\nCompleteness: A=10/10, B=3/10, C=7/10\nNet: explicit single ownership at startup vs convenience of a global import.": "Construct once at the composition root, inject into both constructors (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T08:57:49.766Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01AMq93Woihygh79yXgeZnAx",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 \u2014 How should validateAndDispatch() handle errors?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Section 2 Code Quality, finding C1 (PLAN.md:32-33).\nELI10: The new 60-line function wraps three steps in three nested try/catch blocks, and each catch quietly eats one kind of error (PLAN.md:32-33). In an auth path, a swallowed error is the worst kind: a failed token check or a policy lookup that blew up can fall through and the request gets dispatched anyway, or the user gets a vague failure with nothing in the logs. Three nested blocks also make it hard to see which step a given error belongs to. A flat sequence with one error boundary at the end is shorter, reads top to bottom, and forces every error to become a deliberate outcome.\nStakes if we pick wrong: Fail-open on validation errors (a request proceeds after its check crashed), or hours lost debugging auth failures with no log line.\nRecommendation: A because it fixes both problems at once (no swallowing, no nesting) in less code than the plan proposes, and the typed errors double as test seams.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: one explicit error boundary vs three scattered catches vs silence.",
|
||||
"header": "Error handling",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Flat pipeline with typed errors and one boundary mapper (recommended)",
|
||||
"description": "\u2705 Every error class maps to an explicit outcome (deny, retryable, internal) and a structured log line with tenant and request id; fail-closed by construction. \u2705 Function shrinks to a readable top-to-bottom sequence; each step is independently unit-testable via its thrown error type (human: ~half day / CC: ~15 min). \u274c Introduces a small AuthError hierarchy that the codebase must adopt consistently."
|
||||
},
|
||||
{
|
||||
"label": "Keep nesting, make every catch explicit (rethrow typed or log + deny)",
|
||||
"description": "\u2705 Minimal structural change from the author's draft; keeps step-local handling where it is. \u2705 Removes silent swallowing, so no fail-open path remains (human: ~2h / CC: ~10 min). \u274c Still 3 levels of nesting in a 60-line function; the error-to-outcome mapping is scattered across three catches instead of one place."
|
||||
},
|
||||
{
|
||||
"label": "Keep as planned (each catch swallows its error class)",
|
||||
"description": "\u2705 No extra design work; matches the draft exactly. \u2705 Fastest to write (human: ~0 / CC: ~0). \u274c Silent failures in an auth path: possible fail-open, no diagnostics, and behavior that no test can pin down."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 \u2014 How should validateAndDispatch() handle errors?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Section 2 Code Quality, finding C1 (PLAN.md:32-33).\nELI10: The new 60-line function wraps three steps in three nested try/catch blocks, and each catch quietly eats one kind of error (PLAN.md:32-33). In an auth path, a swallowed error is the worst kind: a failed token check or a policy lookup that blew up can fall through and the request gets dispatched anyway, or the user gets a vague failure with nothing in the logs. Three nested blocks also make it hard to see which step a given error belongs to. A flat sequence with one error boundary at the end is shorter, reads top to bottom, and forces every error to become a deliberate outcome.\nStakes if we pick wrong: Fail-open on validation errors (a request proceeds after its check crashed), or hours lost debugging auth failures with no log line.\nRecommendation: A because it fixes both problems at once (no swallowing, no nesting) in less code than the plan proposes, and the typed errors double as test seams.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: one explicit error boundary vs three scattered catches vs silence.": "Flat pipeline with typed errors and one boundary mapper (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T08:58:59.515Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_015JxgM616GJtNaBthNBg9UY",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 \u2014 How do we prove the rewritten legacyAuthFlow() still behaves exactly as before?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Section 3 Test review, finding T1 (PLAN.md:36-37, :23-25). This is the mandatory regression contract; the question is how to cover it, not whether.\nELI10: The whole point of this plan is \"same behavior, better structure\" (PLAN.md:8-9), yet the plan rewrites legacyAuthFlow() with no test that pins down what it does today (PLAN.md:36-37). Without that, \"same behavior\" is a hope. The standard move is to write characterization tests first: feed the old code every kind of request it handles today, record what it does, then run the exact same tests against the new AuthBroker path. Green means parity. A thin shim that keeps existing callers on the old entry point until parity is green means nothing user-facing changes until it is proven.\nStakes if we pick wrong: A tenant that used to be denied gets allowed (or the reverse) and nobody knows until a customer reports it; a refactor becomes an auth incident.\nRecommendation: A because with CC the full characterization suite costs minutes, and it is the only option that turns \"no behavior change\" into a checked claim rather than an assertion.\nCompleteness: A=10/10, B=7/10, C=10/10 (C adds runtime verification on top of A, not more test coverage)\nNet: proven parity with a reversible switch vs sampling the happy paths vs production-grade verification.",
|
||||
"header": "Regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Full characterization suite + compatibility shim until parity (recommended)",
|
||||
"description": "\u2705 Every observable legacy outcome (allow, deny, expired, revoked, suspended tenant, IDP error, malformed claims, cache hit/miss, logout invalidation) is recorded as input \u2192 outcome and replayed against the new path. \u2705 Callers stay on legacyAuthFlow() through a shim until the suite is green, so the cutover is a one-line, reversible switch (human: ~1.5 days / CC: ~30 min). \u274c Requires enumerating legacy callers and behaviors up front; the suite is throwaway-adjacent once parity lands (keep it as the regression suite)."
|
||||
},
|
||||
{
|
||||
"label": "Parity tests for the top ~5 paths, no shim",
|
||||
"description": "\u2705 Covers the paths users hit most; fast to write (human: ~3h / CC: ~10 min). \u2705 No shim means fewer moving parts during cutover. \u274c Rare paths (suspended tenant, malformed claims, invalidation races) are exactly where auth regressions hide; a cutover with no fallback switch."
|
||||
},
|
||||
{
|
||||
"label": "A plus flag-gated shadow compare in production",
|
||||
"description": "\u2705 Catches behaviors the suite author did not think of by diffing old vs new outcomes on real traffic. \u2705 Zero user impact while shadowing: old path serves, new path only logs (human: ~2.5 days / CC: ~45 min). \u274c Doubles IDP load during shadow, needs a flag system and mismatch dashboard; heavier than a structural refactor warrants."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 \u2014 How do we prove the rewritten legacyAuthFlow() still behaves exactly as before?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Section 3 Test review, finding T1 (PLAN.md:36-37, :23-25). This is the mandatory regression contract; the question is how to cover it, not whether.\nELI10: The whole point of this plan is \"same behavior, better structure\" (PLAN.md:8-9), yet the plan rewrites legacyAuthFlow() with no test that pins down what it does today (PLAN.md:36-37). Without that, \"same behavior\" is a hope. The standard move is to write characterization tests first: feed the old code every kind of request it handles today, record what it does, then run the exact same tests against the new AuthBroker path. Green means parity. A thin shim that keeps existing callers on the old entry point until parity is green means nothing user-facing changes until it is proven.\nStakes if we pick wrong: A tenant that used to be denied gets allowed (or the reverse) and nobody knows until a customer reports it; a refactor becomes an auth incident.\nRecommendation: A because with CC the full characterization suite costs minutes, and it is the only option that turns \"no behavior change\" into a checked claim rather than an assertion.\nCompleteness: A=10/10, B=7/10, C=10/10 (C adds runtime verification on top of A, not more test coverage)\nNet: proven parity with a reversible switch vs sampling the happy paths vs production-grade verification.": "Full characterization suite + compatibility shim until parity (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T09:00:29.393Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01SaTzyVc1yV8q8QKEDeLU7g",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 \u2014 How deep should tests go for the new components beyond success/error paths?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Section 3 Test review, finding T2 (PLAN.md:23-24).\nELI10: The plan promises tests for the new pieces when things work and when they fail (PLAN.md:23-24). That misses the cases multi-tenant auth actually breaks on: a token from tenant A being served to tenant B, a token that expires at exactly this second, a policy version bump that should make old cache entries invisible, a session minted a moment after the tenant was suspended. Each of those is a five-line test once the components exist. The regression suite (D8), error-mapping tests (D7) and injection test (D6) are already required; this decides the extra edge-case and end-to-end layer.\nStakes if we pick wrong: Cross-tenant leakage or a resurrected revoked token, found by a customer instead of a test.\nRecommendation: A because these edge cases are the actual failure modes of tenant auth and cost minutes with CC.\nCompleteness: A=10/10, B=7/10\nNet: prove the failure modes that matter in multi-tenant auth vs the minimum the plan states.",
|
||||
"header": "Test depth",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Full edge-case + E2E coverage (recommended)",
|
||||
"description": "\u2705 Pins down tenant isolation, expiry boundary, policy-version bump, malformed claims, mint-after-invalidation and fail-closed on unknown errors. \u2705 Four E2E flows (valid / expired / revoked / suspended) plus IDP-down prove the whole path, not just units (human: ~1 day / CC: ~20 min). \u274c Larger test file count to maintain; E2E flows need a fake IDP or recorded fixtures."
|
||||
},
|
||||
{
|
||||
"label": "Success/error paths as planned",
|
||||
"description": "\u2705 Matches the author's stated plan; smaller test surface to write and maintain. \u2705 Fast (human: ~3h / CC: ~8 min). \u274c Leaves the tenant-isolation and invalidation-race cases, the ones that cause auth incidents, unproven."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 \u2014 How deep should tests go for the new components beyond success/error paths?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Section 3 Test review, finding T2 (PLAN.md:23-24).\nELI10: The plan promises tests for the new pieces when things work and when they fail (PLAN.md:23-24). That misses the cases multi-tenant auth actually breaks on: a token from tenant A being served to tenant B, a token that expires at exactly this second, a policy version bump that should make old cache entries invisible, a session minted a moment after the tenant was suspended. Each of those is a five-line test once the components exist. The regression suite (D8), error-mapping tests (D7) and injection test (D6) are already required; this decides the extra edge-case and end-to-end layer.\nStakes if we pick wrong: Cross-tenant leakage or a resurrected revoked token, found by a customer instead of a test.\nRecommendation: A because these edge cases are the actual failure modes of tenant auth and cost minutes with CC.\nCompleteness: A=10/10, B=7/10\nNet: prove the failure modes that matter in multi-tenant auth vs the minimum the plan states.": "Full edge-case + E2E coverage (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T09:01:21.159Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01CcDoqu9ffnq2N4nHmT99m1",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 \u2014 TODO: parallelize the 5 IDP validation calls (follow-up PR deferred by D3)?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Final planning decisions, TODO candidate 1 of 2.\nELI10: You chose in D3 to keep the speedup out of this refactor. A deferred item with no written home gets forgotten. This TODO would record: What: run the 5 independent IDP calls concurrently in AuthBroker's validation step. Why: each cache miss currently pays 5 serial round-trips; users wait for the sum instead of the max. Pros: latency win, small code change. Cons: changes IDP burst shape (5 concurrent per validation) and error ordering; needs Promise.all vs allSettled decision and a load check. Context: land after the characterization suite (D8) is green so the timing change is provable in isolation. Depends on: this refactor merged. TODOS.md does not exist and plan mode forbids creating it now, so an accepted TODO is recorded in the report as not persisted.\nStakes if we pick wrong: Skip it and a known cheap latency fix has no owner; build it now and you reverse D3.\nRecommendation: A because the work is real, cheap, and already has a sequencing constraint worth writing down.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: capture the deferred speedup with its context vs let it drop vs reverse D3.",
|
||||
"header": "TODO 1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "\u2705 The deferred latency fix keeps its rationale, sequencing and the allSettled/burst caveats for whoever picks it up\n\u2705 Consistent with D3: structural PR first, behavior PR second (human: ~half day / CC: ~30 min when built)\n\u274c TODOS.md cannot be written in plan mode; content is recorded in the report as not persisted until you leave plan mode"
|
||||
},
|
||||
{
|
||||
"label": "Skip: not valuable enough",
|
||||
"description": "\u2705 Nothing extra to track; smallest bookkeeping\n\u2705 Avoids committing to IDP behavior changes at all\n\u274c The 5 serial round-trips stay forever unless someone rediscovers them"
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR",
|
||||
"description": "\u2705 Latency win ships with the refactor, no second PR\n\u2705 IDP client code is already open\n\u274c Reverses D3: mixes a behavior change back into the no-behavior-change refactor"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 \u2014 TODO: parallelize the 5 IDP validation calls (follow-up PR deferred by D3)?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Final planning decisions, TODO candidate 1 of 2.\nELI10: You chose in D3 to keep the speedup out of this refactor. A deferred item with no written home gets forgotten. This TODO would record: What: run the 5 independent IDP calls concurrently in AuthBroker's validation step. Why: each cache miss currently pays 5 serial round-trips; users wait for the sum instead of the max. Pros: latency win, small code change. Cons: changes IDP burst shape (5 concurrent per validation) and error ordering; needs Promise.all vs allSettled decision and a load check. Context: land after the characterization suite (D8) is green so the timing change is provable in isolation. Depends on: this refactor merged. TODOS.md does not exist and plan mode forbids creating it now, so an accepted TODO is recorded in the report as not persisted.\nStakes if we pick wrong: Skip it and a known cheap latency fix has no owner; build it now and you reverse D3.\nRecommendation: A because the work is real, cheap, and already has a sequencing constraint worth writing down.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: capture the deferred speedup with its context vs let it drop vs reverse D3.": "Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T09:02:39.066Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"toolUseId": "toolu_01Gf5LyQNJ3e4iBGUvETg9nc",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D11 \u2014 TODO: confirm the adapter's invalidation-vs-write ordering when two services mutate one cache?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Final planning decisions, TODO candidate 2 of 2 (from Architecture finding 2, medium confidence 5/10).\nELI10: The plan says the cache rules \"do not serialize mutations\" (PLAN.md:19) and that both AuthBroker and SessionMint write to it (PLAN.md:29). Node runs one thing at a time, so there is no low-level race, but there is a logical one: a tenant gets suspended (entries invalidated), and a mint that was already in flight writes a fresh entry a moment later, resurrecting access. Whether the existing adapter already guards this (e.g. by checking suspension state on write, or by version stamping) is unknown because the code is not in this repo. This TODO would record: What: a bounded investigation of the adapter's write-after-invalidate behavior. Why: it decides whether the D9 \"mint after invalidation does not resurrect\" test passes for free or needs a guard in AuthCache. Pros: settles a fail-open risk with a 30-minute read. Cons: may find nothing. Context: read the adapter's invalidate and set paths plus their tests. Depends on: nothing; can run before implementation starts.\nStakes if we pick wrong: Skip it and the D9 test is the first place anyone learns the answer, possibly mid-implementation.\nRecommendation: A because it is cheap, bounded, and directly de-risks an approved test.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: a small investigation now vs discovering the answer when a test fails.",
|
||||
"header": "TODO 2",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "\u2705 A bounded 30-minute read that settles whether a fail-open window exists before code is written\n\u2705 Directly feeds the approved D9 mint-after-invalidation test; no scope added to the refactor\n\u274c TODOS.md cannot be written in plan mode; content is recorded in the report as not persisted"
|
||||
},
|
||||
{
|
||||
"label": "Skip: not valuable enough",
|
||||
"description": "\u2705 Nothing extra to track; the D9 test will surface the answer anyway\n\u2705 Trusts the retained adapter and its existing tests as-is\n\u274c If a resurrection window exists, it is found mid-implementation rather than up front"
|
||||
},
|
||||
{
|
||||
"label": "Build it now: fold the investigation into this PR's first task",
|
||||
"description": "\u2705 The implementer reads the adapter before writing AuthCache, which they need to do regardless\n\u2705 No separate tracking item; becomes step 1 of the implementation tasks\n\u274c Slightly widens the PR's stated scope with an investigation step and possible AuthCache guard"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 \u2014 TODO: confirm the adapter's invalidation-vs-write ordering when two services mutate one cache?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Final planning decisions, TODO candidate 2 of 2 (from Architecture finding 2, medium confidence 5/10).\nELI10: The plan says the cache rules \"do not serialize mutations\" (PLAN.md:19) and that both AuthBroker and SessionMint write to it (PLAN.md:29). Node runs one thing at a time, so there is no low-level race, but there is a logical one: a tenant gets suspended (entries invalidated), and a mint that was already in flight writes a fresh entry a moment later, resurrecting access. Whether the existing adapter already guards this (e.g. by checking suspension state on write, or by version stamping) is unknown because the code is not in this repo. This TODO would record: What: a bounded investigation of the adapter's write-after-invalidate behavior. Why: it decides whether the D9 \"mint after invalidation does not resurrect\" test passes for free or needs a guard in AuthCache. Pros: settles a fail-open risk with a 30-minute read. Cons: may find nothing. Context: read the adapter's invalidate and set paths plus their tests. Depends on: nothing; can run before implementation starts.\nStakes if we pick wrong: Skip it and the D9 test is the first place anyone learns the answer, possibly mid-implementation.\nRecommendation: A because it is cheap, bounded, and directly de-risks an approved test.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: a small investigation now vs discovering the answer when a test fails.": "Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T09:02:57.158Z"
|
||||
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|
||||
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|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D12 \u2014 What next after this engineering review?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Next Steps navigation only, no plan change.\nELI10: The engineering review is saved and CLEAR. This refactor has no UI, so a design review does not apply. It does not change product direction, so a CEO review is optional. The remaining step is to build it: seven tasks (T1\u2013T7) in the report, with the characterization suite (T1) first. Navigation only: picking an option approves no new implementation change.\nStakes if we pick wrong: Low; this only chooses where you go next.\nRecommendation: Ready to implement \u2014 this is a taste call, no strong preference either way; the plan has no open decisions.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: start building vs one more optional review first.",
|
||||
"header": "Next step",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Ready to implement (recommended)",
|
||||
"description": "\u2705 All reviews required for this change are complete; run /ship when the work is done\n\u2705 Task order is already laid out (T1 characterization suite first, then lanes A/B/C in parallel)\n\u274c Skips the optional CEO scope pass; fine for a behavior-neutral refactor"
|
||||
},
|
||||
{
|
||||
"label": "Run /plan-ceo-review first",
|
||||
"description": "\u2705 A scope-and-strategy pass on whether this refactor is the right investment now\n\u2705 Adds a second review row to the dashboard before implementation starts\n\u274c Optional for a refactor with no product-facing change; adds ~10 minutes before coding"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D12 \u2014 What next after this engineering review?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Next Steps navigation only, no plan change.\nELI10: The engineering review is saved and CLEAR. This refactor has no UI, so a design review does not apply. It does not change product direction, so a CEO review is optional. The remaining step is to build it: seven tasks (T1\u2013T7) in the report, with the characterization suite (T1) first. Navigation only: picking an option approves no new implementation change.\nStakes if we pick wrong: Low; this only chooses where you go next.\nRecommendation: Ready to implement \u2014 this is a taste call, no strong preference either way; the plan has no open decisions.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: start building vs one more optional review first.": "Ready to implement (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T09:05:37.108Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": [
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "Scope gate: plan mode \u2014 auto-selected B (reviewing `PLAN.md`: \"Multi-tenant Auth Refactor\").",
|
||||
"timestamp": "2026-09-16T08:52:21.433Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "Noted: routing rules will be appended to CLAUDE.md and committed after plan mode exits (plan mode forbids the write now). Continuing with Context Recovery, Brain Context, and the Design Doc Check.",
|
||||
"timestamp": "2026-09-16T08:52:45.412Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "## Step 0: Scope Challenge\n\nReport file: `/tmp/.../gstack-e2e-plan-eng-o73cy9/gstack-test-plan-eng.md` (user-requested; original plan copied in unchanged). Outside voice: `codex_reviews=disabled`, so no outside reviewer runs this session. No prior learnings, no TODOS.md, no design doc. The repo holds only `CLAUDE.md` and `PLAN.md`, so there is no existing code to probe; every finding below is a plan-level finding, calibrated accordingly.\n\n**Search check** (WebSearch, Aside unavailable): module-level mutable singletons are the documented anti-pattern for anything holding per-request or per-tenant state; the standard [Layer 1] fix is to construct one instance at the composition root and inject it. `Promise.all` is fail-fast and abandons in-flight siblings; `Promise.allSettled` is the [Layer 1] choice when you need every result or every error. Sources: [Singletons in JavaScript](https://blog.openreplay.com/singletons-javascript-tool-trap/), [Singleton, DI, IoC in Node.js](https://medium.com/@moali314/singleton-dependency-injection-ioc-and-service-locator-in-node-js-9a9c7a3326b7), [Promise.all vs allSettled](https://jsmanifest.com/promise-allsettled-vs-promise-all), [Better rejection handling](https://www.coreycleary.me/better-handling-of-rejections-using-promise-allsettled).\n\n**Complexity gate triggered:** 12 files, 5 new classes (threshold: 8 files or 2 classes). Scope findings:\n\n1. **[P1] (confidence 8/10) PLAN.md:8-9 vs :40-41** \u2014 \"reorganize ... without changing its product behavior\" but the Performance section proposes parallelizing 5 IDP calls. That changes timing, IDP load shape, and which error surfaces first. It is a behavior change riding inside a structural refactor (Beck: separate structural and behavioral changes). *Pending: D3.*\n2. **[P1] (confidence 9/10) PLAN.md:44-45** \u2014 `TokenStore` is named as a new class and described nowhere else in the plan. No responsibility, no caller, no relation to `AuthCache` (which already stores tokens per :16-22). Undefined component in an auth path. *Pending: D4.*\n3. **[P2] (confidence 8/10) PLAN.md:13, :20-22** \u2014 `RequestPolicy` is stateless and side-effect free by the author's own description; `AuthCache` is a facade over an adapter that already keys, evicts, and invalidates correctly. Both are candidates for fewer moving parts (a pure function; direct use of the adapter). *Pending: D5 (structure).*\n4. **[P2] (confidence 7/10) PLAN.md:36-37** \u2014 rewriting `legacyAuthFlow()` with no regression coverage is a scope-adjacent test gap; handled by the Test review's regression rule, not cut here.\n\nWhat already exists: the cache adapter (keying, eviction, invalidation hooks, tests) and `legacyAuthFlow()` itself. The plan reuses the adapter; it wraps it once more in `AuthCache`.\n\nAsking about the feature-level cut first (parallelization), then TokenStore, then structure.",
|
||||
"timestamp": "2026-09-16T08:55:05.785Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "D3 \u2192 parallelization deferred to a follow-up PR (logged as a TODO candidate later). Next: `TokenStore`.",
|
||||
"timestamp": "2026-09-16T08:55:26.212Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "D4 \u2192 `TokenStore` cut; class count drops to four. Last gate question: structure.",
|
||||
"timestamp": "2026-09-16T08:56:11.222Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "Saved record verified against the brief. Dispatching D6.",
|
||||
"timestamp": "2026-09-16T08:57:39.761Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "D6 \u2192 inject one `AuthCache` from the composition root. Recording R4 as approved and saving the Section 2 pending record (R5) before asking.",
|
||||
"timestamp": "2026-09-16T08:58:02.888Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "D7 \u2192 flat pipeline, typed errors, one boundary mapper. Recording R5 and moving to the Test review.",
|
||||
"timestamp": "2026-09-16T08:59:20.256Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "## Section 3: Test review\n\nFramework detection: `CLAUDE.md` has no Testing section and the repo holds no `package.json` or test files, so the framework is **unknown**; test file names below use `*.test.ts` as a placeholder convention to match once the real repo is known.\n\n**Coverage diagram (planned codepaths, all new; nothing exists yet):**\n\n```\nCODE PATHS USER FLOWS\n[+] auth/AuthBroker.ts [+] Authenticated request\n \u2514\u2500\u2500 validateAndDispatch() \u251c\u2500\u2500 [GAP] [\u2192E2E] valid token \u2192 allow \u2192 dispatch\n \u251c\u2500\u2500 [GAP] validate: cache hit (fresh) \u251c\u2500\u2500 [GAP] [\u2192E2E] expired token \u2192 deny, clear error\n \u251c\u2500\u2500 [GAP] validate: cache miss \u2192 5 serial IDP calls \u251c\u2500\u2500 [GAP] [\u2192E2E] revoked token \u2192 deny\n \u251c\u2500\u2500 [GAP] validate: expired / revoked / suspended \u251c\u2500\u2500 [GAP] [\u2192E2E] suspended tenant \u2192 deny\n \u251c\u2500\u2500 [GAP] validate: IDP timeout / 5xx \u2192 IdpUnavailable \u2514\u2500\u2500 [GAP] IDP down \u2192 retryable error, not hang\n \u251c\u2500\u2500 [GAP] decide(): allow / deny / malformed \u2192 deny\n \u251c\u2500\u2500 [GAP] dispatch: success / DispatchError [+] Cross-tenant isolation\n \u2514\u2500\u2500 [GAP] boundary mapper: each AuthError \u2192 outcome + log \u251c\u2500\u2500 [GAP] [\u2192E2E] tenant A token never hits tenant B key\n \u2514\u2500\u2500 [GAP] unknown error class \u2192 internal + deny \u2514\u2500\u2500 [GAP] policy version bump misses old entries\n[+] auth/requestPolicy.ts\n \u2514\u2500\u2500 decide(claims, ctx) [+] Lifecycle events\n \u251c\u2500\u2500 [GAP] allow / deny per existing policy \u251c\u2500\u2500 [GAP] logout invalidates \u2192 next request re-validates\n \u2514\u2500\u2500 [GAP] missing / malformed claims \u2192 deny \u251c\u2500\u2500 [GAP] revocation invalidates\n[+] auth/AuthCache.ts (facade) \u2514\u2500\u2500 [GAP] suspension racing a SessionMint write\n \u251c\u2500\u2500 [GAP] delegates get/set/invalidate to adapter unchanged\n \u2514\u2500\u2500 [GAP] two services, one injected instance (D6) [+] Regression (legacyAuthFlow parity) CRITICAL\n[+] auth/SessionMint.ts \u2514\u2500\u2500 [GAP] characterization suite \u2192 pending D8\n \u251c\u2500\u2500 [GAP] mint writes through AuthCache\n \u2514\u2500\u2500 [GAP] mint after invalidation does not resurrect entry\n[+] bootstrap / composition root\n \u2514\u2500\u2500 [GAP] constructs one AuthCache, injects into both (D6)\n[=] existing cache adapter + invalidation hooks: [\u2605\u2605\u2605 TESTED] retained unchanged (PLAN.md:21-22)\n\nCOVERAGE: 1/24 paths tested (4%) | Code paths: 1/16 (6%) | User flows: 0/8 (0%)\nQUALITY: \u2605\u2605\u2605:1 \u2605\u2605:0 \u2605:0 | GAPS: 23 (6 E2E, 0 eval, 1 CRITICAL regression)\n```\n\nLLM/eval scope: none; no prompt or LLM code in this plan.\n\n**REGRESSION RULE:** the `legacyAuthFlow()` rewrite is a P1 CRITICAL gap. Record saved and verified; dispatching the dedicated regression question.",
|
||||
"timestamp": "2026-09-16T09:00:18.318Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "D8 \u2192 full characterization suite + shim. One more test-depth choice: the plan's own \"success/error paths\" for the new components vs full edge-case coverage.",
|
||||
"timestamp": "2026-09-16T09:00:34.834Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "D9 \u2192 full edge-case + E2E coverage. Recording R7 and writing the Test Plan Artifact.",
|
||||
"timestamp": "2026-09-16T09:01:38.437Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "Both TODOs accepted (recorded as not persisted; plan mode forbids creating `TODOS.md`). All seven remedy rows cite an actual answer. Writing Approval readiness and the full reviewed plan + report.",
|
||||
"timestamp": "2026-09-16T09:03:06.791Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "Read-back gate passes: last `## ` heading is `## GSTACK REVIEW REPORT`, final line is the unbolded sentinel. Now Review Log, decision log, tasks JSONL, and dashboard.",
|
||||
"timestamp": "2026-09-16T09:04:56.161Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3d6236a1-ef48-4cc7-80f0-837773805fac",
|
||||
"text": "All relevant reviews complete. Run `/ship` when ready. Finishing: learnings, host plan pointer, telemetry.",
|
||||
"timestamp": "2026-09-16T09:05:46.531Z"
|
||||
}
|
||||
],
|
||||
"planReadyRequests": [
|
||||
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|
||||
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|
||||
"toolUseId": "toolu_01YbmPxpQz2UzC2dk8o1Ptpg",
|
||||
"timestamp": "2026-09-16T09:06:29.329Z",
|
||||
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|
||||
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|
||||
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|
||||
},
|
||||
"report": "# Reviewed Plan: Multi-tenant Auth Refactor\n\nReviewed target: `PLAN.md` (\"Multi-tenant Auth Refactor\") in repo `gstack-plan-count-jlbXO0`, branch `main`, commit `8bea2de`.\nReview: `/plan-eng-review`, 2026-09-16. This file holds the reviewed implementation plan, the decision ledger and the terminal review report.\n\n## Original plan (as submitted, unchanged)\n\n### Context supplied by the plan author\nThe goal is to reorganize existing tenant-auth orchestration without changing\nits product behavior. RequestPolicy groups the existing per-request access\ndecision: given already-fetched claims and tenant/request context, it returns\nallow or deny under the existing access policy. AuthBroker.validateAndDispatch()\ncalls it after validation and before dispatch. It adds no policy, network call,\ncache mutation or state. Its separate class boundary remains a proposal to review.\n\n### Existing contracts retained\nThe existing cache adapter keys entries by tenant ID, issuer, audience,\nand policy version. It evicts expired tokens and invalidates entries on\nlogout, token revocation, or tenant suspension. AuthCache retains these\nunchanged validity and tenant-key rules; they do not serialize mutations.\nAuthCache is a service-facing facade over that same existing adapter,\nwith one backing cache. The adapter, its invalidation hooks, and their\nexisting tests remain in use unchanged.\nUnit and integration coverage is planned for the new components and their\nsuccess/error paths. That coverage does not exercise legacyAuthFlow() or\nassert compatibility with its prior behavior.\n\n### Architecture\nTwo new services (`AuthBroker` and `SessionMint`) share a global mutable\n`AuthCache` instance via module-level export. Both services mutate it.\n\n### Code quality\nThe `validateAndDispatch()` function is 60 lines with three nested\ntry/catch blocks; each catch swallows a different error class.\n\n### Tests\nThe existing `legacyAuthFlow()` will get rewritten as part of this work;\nno regression test for the prior behavior is planned.\n\n### Performance\nToken validation issues 5 sequential API calls to the IDP; they could be\nparallelized via Promise.all trivially (calls are independent).\n\n### Architecture (scope smell)\nThis touches 12 files and introduces 5 new classes (AuthBroker, TokenStore,\nSessionMint, AuthCache, RequestPolicy). Worth flagging the complexity check.\n\n## Decision ledger\n\nD1 (gstack routing rules \u2192 add after plan mode exits) and D2 (cross-project learnings \u2192 enabled) were setup questions; they approve no engineering remedy.\n\n### R1: Scope of IDP-call parallelization in this refactor\nFinding: S1, P1, confidence 8/10, PLAN.md:8-9 vs PLAN.md:40-41, reviewer: Claude (plan-eng-review)\nPlan baseline: original proposal bundles Promise.all parallelization of 5 IDP calls into the \"no behavior change\" refactor\nRuntime evidence: unknown; no source in repo. Serial-call claim taken from the plan text.\nState: approved\nComparison grid (initial scope selector, no pre-answer grid required):\n| Choice | Current | Split (chosen) | Bundle | Drop |\n|---|---|---|---|---|\n| R1 parallelization | in this PR | follow-up PR, own tests | in this PR | never |\nQuestion D3: \"Keep the IDP-call parallelization inside this refactor, or split it into its own change?\" Recommendation: split into follow-up PR. Completeness: split 10/10, bundle 7/10, drop 3/10.\nActual answer: \"Split into follow-up PR (recommended)\" (D3)\nAccepted scope: remove parallelization from this plan; record it as a follow-up TODO candidate (asked separately in Final planning decisions). This refactor keeps the existing 5 sequential IDP calls exactly as they are.\nHistory: none\n\n### R2: Disposition of the undefined `TokenStore` class\nFinding: S2, P1, confidence 9/10, PLAN.md:44-45, reviewer: Claude\nPlan baseline: original proposal introduces TokenStore with no described responsibility\nRuntime evidence: unknown; class does not exist yet\nState: approved\nComparison grid: | R2 TokenStore | proposed, undefined | Cut (chosen) | Keep + define first | Hold |\nQuestion D4: \"What happens to TokenStore, the new class the plan names but never describes?\" Recommendation: cut.\nActual answer: \"Cut it from this plan (recommended)\" (D4)\nAccepted scope: TokenStore removed from the plan. Token storage stays in the existing adapter behind AuthCache (one backing cache, PLAN.md:20-22). Re-add only with a written responsibility and invalidation contract.\nHistory: none\n\n### R3: Class arrangement for the remaining components\nFinding: S3, P2, confidence 8/10, PLAN.md:13 and PLAN.md:20-22, reviewer: Claude\nPlan baseline: 4 classes after R2 (AuthBroker, SessionMint, AuthCache, RequestPolicy)\nRuntime evidence: unknown; no source in repo\nState: approved\nComparison grid: | R3 structure | 4 classes | 3 units (chosen): AuthBroker, SessionMint, AuthCache classes + RequestPolicy pure function | 2 classes, adapter used directly | 4Line truncated
|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
{
|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 \u2014 Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules. Routing rules are a short list telling Claude which /skill to run for which kind of request (bugs \u2192 /investigate, ship \u2192 /ship, and so on), so you don't have to remember skill names. This is a one-time setup prompt per project and has nothing to do with the auth plan itself.\nStakes if we pick wrong: Without rules you invoke skills by hand; with them, CLAUDE.md grows by ~15 lines. Either way the plan review is unaffected.\nRecommendation: A because it makes the rest of gstack discoverable at near-zero cost, and this is a setup step, not an engineering remedy.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Add routing rules to CLAUDE.md (recommended)\n \u2705 Future requests auto-route to the right skill without remembering names\n \u2705 Teammates who clone the repo get the same routing behavior from day one\n \u274c Adds a ~15-line section to CLAUDE.md; in plan mode the edit and commit wait until plan mode exits\nB) No thanks, I'll invoke skills manually\n \u2705 CLAUDE.md stays exactly as it is; nothing to commit\n \u2705 You keep full manual control over when skills run\n \u274c You have to remember and type skill names yourself; this prompt is suppressed for the project afterward\nNet: a discoverability convenience versus a slightly longer CLAUDE.md; the review itself is unchanged either way.",
|
||||
"header": "Routing",
|
||||
"options": [
|
||||
{
|
||||
"label": "Add routing rules to CLAUDE.md (recommended)",
|
||||
"description": "Append the gstack skill-routing section to CLAUDE.md and commit it (deferred until plan mode exits, since CLAUDE.md is not the plan file)."
|
||||
},
|
||||
{
|
||||
"label": "No thanks, I'll invoke skills manually",
|
||||
"description": "Set routing_declined=true so this prompt does not repeat for this project. Re-enable later with gstack-config set routing_declined false."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 \u2014 Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules. Routing rules are a short list telling Claude which /skill to run for which kind of request (bugs \u2192 /investigate, ship \u2192 /ship, and so on), so you don't have to remember skill names. This is a one-time setup prompt per project and has nothing to do with the auth plan itself.\nStakes if we pick wrong: Without rules you invoke skills by hand; with them, CLAUDE.md grows by ~15 lines. Either way the plan review is unaffected.\nRecommendation: A because it makes the rest of gstack discoverable at near-zero cost, and this is a setup step, not an engineering remedy.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Add routing rules to CLAUDE.md (recommended)\n \u2705 Future requests auto-route to the right skill without remembering names\n \u2705 Teammates who clone the repo get the same routing behavior from day one\n \u274c Adds a ~15-line section to CLAUDE.md; in plan mode the edit and commit wait until plan mode exits\nB) No thanks, I'll invoke skills manually\n \u2705 CLAUDE.md stays exactly as it is; nothing to commit\n \u2705 You keep full manual control over when skills run\n \u274c You have to remember and type skill names yourself; this prompt is suppressed for the project afterward\nNet: a discoverability convenience versus a slightly longer CLAUDE.md; the review itself is unchanged either way.": "Add routing rules to CLAUDE.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T06:48:59.677Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "c02e765f-46ec-4731-b55f-6e46380d81ee",
|
||||
"toolUseId": "toolu_017hFUP2SjWD9AgRNUUH2PfN",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 \u2014 Let gstack search learnings from your other projects on this machine?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: gstack saves small lessons from each review session (a pitfall, a pattern that worked). It can either look only at this project's lessons, or also at lessons saved from your other projects on this same machine. Nothing leaves your machine either way. Cross-project is useful for a solo dev whose projects rhyme; it is a bad idea when you work on multiple client codebases and don't want one client's patterns influencing another's review.\nStakes if we pick wrong: Too narrow means a lesson learned elsewhere (say, about shared mutable caches) never resurfaces here. Too wide means unrelated client context leaks into recommendations.\nRecommendation: A because for a single developer the extra recall is free and local, and there is nothing to contaminate today (0 learnings on file).\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Enable cross-project learnings (recommended)\n \u2705 Past pitfalls from any of your projects surface when a finding matches them\n \u2705 Stays fully local; it is a config flag you can flip back with one command\n \u274c Patterns from unrelated codebases could color recommendations here\nB) Keep learnings project-scoped only\n \u2705 Strict isolation between codebases, right for multi-client work\n \u2705 Recommendations only ever cite lessons from this repo\n \u274c Slower compounding; every project relearns the same pitfalls\nNet: recall breadth versus codebase isolation; a one-line config either way.",
|
||||
"header": "Learnings",
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project learnings (recommended)",
|
||||
"description": "Run gstack-config set cross_project_learnings true, then search learnings across all local projects."
|
||||
},
|
||||
{
|
||||
"label": "Keep learnings project-scoped only",
|
||||
"description": "Run gstack-config set cross_project_learnings false; only this project's learnings are ever consulted."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 \u2014 Let gstack search learnings from your other projects on this machine?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: gstack saves small lessons from each review session (a pitfall, a pattern that worked). It can either look only at this project's lessons, or also at lessons saved from your other projects on this same machine. Nothing leaves your machine either way. Cross-project is useful for a solo dev whose projects rhyme; it is a bad idea when you work on multiple client codebases and don't want one client's patterns influencing another's review.\nStakes if we pick wrong: Too narrow means a lesson learned elsewhere (say, about shared mutable caches) never resurfaces here. Too wide means unrelated client context leaks into recommendations.\nRecommendation: A because for a single developer the extra recall is free and local, and there is nothing to contaminate today (0 learnings on file).\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Enable cross-project learnings (recommended)\n \u2705 Past pitfalls from any of your projects surface when a finding matches them\n \u2705 Stays fully local; it is a config flag you can flip back with one command\n \u274c Patterns from unrelated codebases could color recommendations here\nB) Keep learnings project-scoped only\n \u2705 Strict isolation between codebases, right for multi-client work\n \u2705 Recommendations only ever cite lessons from this repo\n \u274c Slower compounding; every project relearns the same pitfalls\nNet: recall breadth versus codebase isolation; a one-line config either way.": "Enable cross-project learnings (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T06:49:15.721Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "c02e765f-46ec-4731-b55f-6e46380d81ee",
|
||||
"toolUseId": "toolu_01BQdjwb7PYkAjv8P8D1NK23",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 \u2014 Run /office-hours first, or go straight into the engineering review?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: No design doc found for this branch. /office-hours produces a structured problem statement, premise challenge, and explored alternatives; it gives this review much sharper input to work with. Takes about 10 minutes. The design doc is per-feature, not per-product; it captures the thinking behind this specific change. Your plan already states its goal (reorganize tenant-auth orchestration, no behavior change) and its retained contracts, which is most of what a design doc would add.\nStakes if we pick wrong: Skipping means the review challenges the plan's premise itself with less context on why five classes were chosen. Running it costs ~10 minutes before any architecture finding lands.\nRecommendation: B because the plan author already supplied the problem statement and retained contracts, and the open questions here (shared mutable cache, missing regression tests, sequential IDP calls) are engineering calls this review is built to settle.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Run /office-hours now (we'll pick up the review right after)\n \u2705 Produces a written premise challenge and explored alternatives before we judge structure\n \u2705 Leaves a committed design doc teammates can read alongside the plan\n \u274c ~10 minutes of product-shaped questions before the first engineering finding\nB) Skip, proceed with standard review (recommended)\n \u2705 Starts the Scope Challenge and complexity gate immediately\n \u2705 The plan's Context and Existing-contracts sections already carry the design intent\n \u274c No standalone design doc gets produced for this branch\nNet: extra framing time versus getting to the architecture calls now; the plan text already answers most framing questions.",
|
||||
"header": "Prereq",
|
||||
"options": [
|
||||
{
|
||||
"label": "Skip, proceed with standard review (recommended)",
|
||||
"description": "Go directly to Scope Challenge, complexity gate, and Sections 1-4. No design doc is created."
|
||||
},
|
||||
{
|
||||
"label": "Run /office-hours now",
|
||||
"description": "Load the /office-hours skill inline, produce a design doc, then resume this review where it left off."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 \u2014 Run /office-hours first, or go straight into the engineering review?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: No design doc found for this branch. /office-hours produces a structured problem statement, premise challenge, and explored alternatives; it gives this review much sharper input to work with. Takes about 10 minutes. The design doc is per-feature, not per-product; it captures the thinking behind this specific change. Your plan already states its goal (reorganize tenant-auth orchestration, no behavior change) and its retained contracts, which is most of what a design doc would add.\nStakes if we pick wrong: Skipping means the review challenges the plan's premise itself with less context on why five classes were chosen. Running it costs ~10 minutes before any architecture finding lands.\nRecommendation: B because the plan author already supplied the problem statement and retained contracts, and the open questions here (shared mutable cache, missing regression tests, sequential IDP calls) are engineering calls this review is built to settle.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Run /office-hours now (we'll pick up the review right after)\n \u2705 Produces a written premise challenge and explored alternatives before we judge structure\n \u2705 Leaves a committed design doc teammates can read alongside the plan\n \u274c ~10 minutes of product-shaped questions before the first engineering finding\nB) Skip, proceed with standard review (recommended)\n \u2705 Starts the Scope Challenge and complexity gate immediately\n \u2705 The plan's Context and Existing-contracts sections already carry the design intent\n \u274c No standalone design doc gets produced for this branch\nNet: extra framing time versus getting to the architecture calls now; the plan text already answers most framing questions.": "Skip, proceed with standard review (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T06:49:37.779Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "c02e765f-46ec-4731-b55f-6e46380d81ee",
|
||||
"toolUseId": "toolu_01Lx2XnQVWViXdCBDpbcfLJz",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 \u2014 Where does the Promise.all IDP speedup belong relative to the refactor?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan says its goal is to reorganize auth code without changing what it does (PLAN.md:7-8), and then also proposes making 5 identity-provider calls run at once instead of one after another (PLAN.md:39-40). Those are two different kinds of change. A pure reorganization can be checked with \"same inputs, same outputs\". A speedup changes timing, which error the user sees first when two calls fail, and how hard the IDP gets hit. Mixing them in one commit means when something breaks you can't tell which change did it.\nStakes if we pick wrong: Bundled: a login regression could be either the reorg or the parallelization and you bisect blind. Deferred forever: users keep waiting ~5x the necessary time on every token validation.\nRecommendation: A because the speedup is real and cheap, but it must land as its own commit after the reorg is green against regression tests (Beck: separate structural from behavioral change).\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Keep in scope, sequenced as its own commit after the reorg + regression tests are green (recommended) (human: ~2h / CC: ~10 min)\n \u2705 Users get the latency win in this same branch, not a someday follow-up\n \u2705 Each commit is independently bisectable; a failure points at one change\n \u274c One more sequencing constraint the implementer has to respect\nB) Defer to a follow-up PR / TODO\n \u2705 This branch stays a pure reorg with a clean same-in-same-out proof\n \u2705 Zero risk that IDP rate limits or error-ordering changes ship with the reorg\n \u274c Latency win waits on a second review cycle; follow-ups often never happen\nC) Bundle into the refactor as the plan currently proposes\n \u2705 Fewest commits; implementer touches token validation once\n \u2705 No sequencing rule to enforce\n \u274c Structural and behavioral change in one diff; a regression is ambiguous to attribute, and \"no behavior change\" stops being true\nNet: same code either way; the choice is whether the speedup is bisectable from the reorg.",
|
||||
"header": "Scope: perf",
|
||||
"options": [
|
||||
{
|
||||
"label": "Keep in scope, own commit after reorg is green (recommended)",
|
||||
"description": "Parallelization stays in this branch but lands as a separate commit sequenced after the reorg and its regression coverage pass."
|
||||
},
|
||||
{
|
||||
"label": "Defer to follow-up PR / TODO",
|
||||
"description": "Remove parallelization from this plan; capture it as a TODO with context. Branch stays a pure structural refactor."
|
||||
},
|
||||
{
|
||||
"label": "Bundle into the refactor as proposed",
|
||||
"description": "Implement Promise.all inside the same commits as the reorg, as PLAN.md currently describes."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 \u2014 Where does the Promise.all IDP speedup belong relative to the refactor?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan says its goal is to reorganize auth code without changing what it does (PLAN.md:7-8), and then also proposes making 5 identity-provider calls run at once instead of one after another (PLAN.md:39-40). Those are two different kinds of change. A pure reorganization can be checked with \"same inputs, same outputs\". A speedup changes timing, which error the user sees first when two calls fail, and how hard the IDP gets hit. Mixing them in one commit means when something breaks you can't tell which change did it.\nStakes if we pick wrong: Bundled: a login regression could be either the reorg or the parallelization and you bisect blind. Deferred forever: users keep waiting ~5x the necessary time on every token validation.\nRecommendation: A because the speedup is real and cheap, but it must land as its own commit after the reorg is green against regression tests (Beck: separate structural from behavioral change).\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Keep in scope, sequenced as its own commit after the reorg + regression tests are green (recommended) (human: ~2h / CC: ~10 min)\n \u2705 Users get the latency win in this same branch, not a someday follow-up\n \u2705 Each commit is independently bisectable; a failure points at one change\n \u274c One more sequencing constraint the implementer has to respect\nB) Defer to a follow-up PR / TODO\n \u2705 This branch stays a pure reorg with a clean same-in-same-out proof\n \u2705 Zero risk that IDP rate limits or error-ordering changes ship with the reorg\n \u274c Latency win waits on a second review cycle; follow-ups often never happen\nC) Bundle into the refactor as the plan currently proposes\n \u2705 Fewest commits; implementer touches token validation once\n \u2705 No sequencing rule to enforce\n \u274c Structural and behavioral change in one diff; a regression is ambiguous to attribute, and \"no behavior change\" stops being true\nNet: same code either way; the choice is whether the speedup is bisectable from the reorg.": "Keep in scope, own commit after reorg is green (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T06:51:18.057Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "c02e765f-46ec-4731-b55f-6e46380d81ee",
|
||||
"toolUseId": "toolu_01RJT2yNeEYiN1nCBKkNyHYn",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 \u2014 Five new classes, or a smaller arrangement with the same behavior?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan adds five new classes across 12 files (PLAN.md:43-44) to reorganize code that is not supposed to change behavior. Two of them look like ceremony. RequestPolicy is described as a stateless allow/deny decision with no network, cache, or state (PLAN.md:8-12); that is a function, not a class. TokenStore is named once and never described: no responsibility, no caller, and its name overlaps with AuthCache, which already stores validated tokens through the existing adapter (PLAN.md:15-21). Every extra class is another seam to mock, another file to read at 3am, and another place for the token lifecycle to drift.\nStakes if we pick wrong: Too many classes: two components with overlapping token storage responsibilities and a mock surface with nothing behind it. Too few: if TokenStore actually has a distinct job (say, refresh-token persistence), collapsing it hides a real boundary.\nRecommendation: A because RequestPolicy has no state by the author's own description, and TokenStore has no stated job; both fold away with zero feature loss. Restore TokenStore only if a written responsibility appears that AuthCache cannot own.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Three classes + one pure function: AuthBroker, SessionMint, AuthCache; requestPolicy.decide(claims, ctx) as a module function; TokenStore folded into AuthCache (recommended) (human: ~1 day / CC: ~30 min)\n \u2705 One owner for token storage, one seam (AuthCache) to inject in tests\n \u2705 Policy decision is a pure function: table-driven tests, no mocks, trivially DRY\n \u274c If TokenStore later needs a separate lifecycle (e.g. refresh tokens), it gets extracted then instead of now\nB) Keep all five classes as planned\n \u2705 Matches the author's original decomposition; no re-planning\n \u2705 Each concept gets its own file and test module\n \u274c TokenStore ships with no written contract, overlapping AuthCache; RequestPolicy is a class wrapper around a stateless function\nC) Four classes: fold RequestPolicy to a pure function, keep TokenStore pending a written responsibility\n \u2705 Removes the clearest ceremony (stateless class) immediately\n \u2705 Preserves TokenStore in case the author has an unstated distinct job for it\n \u274c Ships an undefined class boundary; \"we'll define it later\" is how overlap becomes permanent\nNet: fewer seams and one token owner versus preserving an undescribed boundary that might turn out to matter.",
|
||||
"header": "Structure",
|
||||
"options": [
|
||||
{
|
||||
"label": "3 classes + pure requestPolicy fn (recommended)",
|
||||
"description": "AuthBroker, SessionMint, AuthCache as classes. RequestPolicy becomes a module-level pure function. TokenStore folded into AuthCache. Same behavior, same retained contracts."
|
||||
},
|
||||
{
|
||||
"label": "Keep all five classes as planned",
|
||||
"description": "AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy as five classes across 12 files, per PLAN.md:43-44."
|
||||
},
|
||||
{
|
||||
"label": "4 classes: fold RequestPolicy only",
|
||||
"description": "RequestPolicy becomes a pure function; TokenStore stays as a class pending a written responsibility statement."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 \u2014 Five new classes, or a smaller arrangement with the same behavior?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan adds five new classes across 12 files (PLAN.md:43-44) to reorganize code that is not supposed to change behavior. Two of them look like ceremony. RequestPolicy is described as a stateless allow/deny decision with no network, cache, or state (PLAN.md:8-12); that is a function, not a class. TokenStore is named once and never described: no responsibility, no caller, and its name overlaps with AuthCache, which already stores validated tokens through the existing adapter (PLAN.md:15-21). Every extra class is another seam to mock, another file to read at 3am, and another place for the token lifecycle to drift.\nStakes if we pick wrong: Too many classes: two components with overlapping token storage responsibilities and a mock surface with nothing behind it. Too few: if TokenStore actually has a distinct job (say, refresh-token persistence), collapsing it hides a real boundary.\nRecommendation: A because RequestPolicy has no state by the author's own description, and TokenStore has no stated job; both fold away with zero feature loss. Restore TokenStore only if a written responsibility appears that AuthCache cannot own.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Three classes + one pure function: AuthBroker, SessionMint, AuthCache; requestPolicy.decide(claims, ctx) as a module function; TokenStore folded into AuthCache (recommended) (human: ~1 day / CC: ~30 min)\n \u2705 One owner for token storage, one seam (AuthCache) to inject in tests\n \u2705 Policy decision is a pure function: table-driven tests, no mocks, trivially DRY\n \u274c If TokenStore later needs a separate lifecycle (e.g. refresh tokens), it gets extracted then instead of now\nB) Keep all five classes as planned\n \u2705 Matches the author's original decomposition; no re-planning\n \u2705 Each concept gets its own file and test module\n \u274c TokenStore ships with no written contract, overlapping AuthCache; RequestPolicy is a class wrapper around a stateless function\nC) Four classes: fold RequestPolicy to a pure function, keep TokenStore pending a written responsibility\n \u2705 Removes the clearest ceremony (stateless class) immediately\n \u2705 Preserves TokenStore in case the author has an unstated distinct job for it\n \u274c Ships an undefined class boundary; \"we'll define it later\" is how overlap becomes permanent\nNet: fewer seams and one token owner versus preserving an undescribed boundary that might turn out to matter.": "3 classes + pure requestPolicy fn (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T06:51:40.615Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "c02e765f-46ec-4731-b55f-6e46380d81ee",
|
||||
"toolUseId": "toolu_01Gx2FLkvfzdZxMiEjxWxf1H",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 \u2014 How do AuthBroker and SessionMint get their AuthCache: injected, or imported as a module-level global?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan has both new services import one shared AuthCache object from a module (PLAN.md:27-28). That works, but it is a hidden dependency: anyone reading AuthBroker cannot see it depends on the cache, every test in the process shares the same cache state, and you cannot run two brokers with different caches. Constructor injection means the app builds one AuthCache at startup and hands it to both services. Same single backing cache in production (the retained contract at PLAN.md:20), but tests get a fresh one per test and the dependency is visible in the signature.\nStakes if we pick wrong: Module global: test pollution between test files (a token cached in one test leaks into the next), and a future second tenant pool cannot get its own cache without a rewrite. Injection: a few extra constructor lines and one composition-root file.\nRecommendation: A because explicit-over-clever is the stated preference, the search check flagged module singletons as the standard footgun, and the retained one-backing-cache contract is preserved by constructing exactly one instance at the root.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Constructor injection from a composition root (recommended) (human: ~half day / CC: ~10 min)\n \u2705 Dependency is visible in the constructor; tests pass a fresh AuthCache with no global reset hooks\n \u2705 Single production instance is still guaranteed by building it once at the root\n \u274c One more file (the composition root) and constructor plumbing in both services\nB) Keep the module-level exported instance as proposed\n \u2705 Zero plumbing; import and go, matches the original plan text\n \u2705 Trivially guarantees a single instance without a root\n \u274c Hidden coupling; shared mutable state across every test and request in the process; no way to isolate\nC) Module default export plus optional constructor override\n \u2705 Production code stays import-and-go while tests can inject\n \u2705 Smaller diff than a full composition root\n \u274c Two ways to obtain the cache; the default path still hides the dependency and invites drift between test and prod wiring\nNet: a visible, injectable dependency versus the convenience of a global; the single-cache contract holds either way.",
|
||||
"header": "Cache wiring",
|
||||
"options": [
|
||||
{
|
||||
"label": "Constructor injection from a composition root (recommended)",
|
||||
"description": "Build one AuthCache at app startup and pass it into AuthBroker and SessionMint constructors. Tests construct their own."
|
||||
},
|
||||
{
|
||||
"label": "Keep module-level exported instance",
|
||||
"description": "Both services import the shared AuthCache from its module, as PLAN.md:27-28 proposes."
|
||||
},
|
||||
{
|
||||
"label": "Module default + optional override",
|
||||
"description": "Export a default instance; constructors accept an optional AuthCache that defaults to it."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 \u2014 How do AuthBroker and SessionMint get their AuthCache: injected, or imported as a module-level global?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan has both new services import one shared AuthCache object from a module (PLAN.md:27-28). That works, but it is a hidden dependency: anyone reading AuthBroker cannot see it depends on the cache, every test in the process shares the same cache state, and you cannot run two brokers with different caches. Constructor injection means the app builds one AuthCache at startup and hands it to both services. Same single backing cache in production (the retained contract at PLAN.md:20), but tests get a fresh one per test and the dependency is visible in the signature.\nStakes if we pick wrong: Module global: test pollution between test files (a token cached in one test leaks into the next), and a future second tenant pool cannot get its own cache without a rewrite. Injection: a few extra constructor lines and one composition-root file.\nRecommendation: A because explicit-over-clever is the stated preference, the search check flagged module singletons as the standard footgun, and the retained one-backing-cache contract is preserved by constructing exactly one instance at the root.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Constructor injection from a composition root (recommended) (human: ~half day / CC: ~10 min)\n \u2705 Dependency is visible in the constructor; tests pass a fresh AuthCache with no global reset hooks\n \u2705 Single production instance is still guaranteed by building it once at the root\n \u274c One more file (the composition root) and constructor plumbing in both services\nB) Keep the module-level exported instance as proposed\n \u2705 Zero plumbing; import and go, matches the original plan text\n \u2705 Trivially guarantees a single instance without a root\n \u274c Hidden coupling; shared mutable state across every test and request in the process; no way to isolate\nC) Module default export plus optional constructor override\n \u2705 Production code stays import-and-go while tests can inject\n \u2705 Smaller diff than a full composition root\n \u274c Two ways to obtain the cache; the default path still hides the dependency and invites drift between test and prod wiring\nNet: a visible, injectable dependency versus the convenience of a global; the single-cache contract holds either way.": "Constructor injection from a composition root (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-16T06:53:48.523Z"
|
||||
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||||
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|
||||
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|
||||
"question": "D7 \u2014 With two services writing to one cache, who is allowed to mutate it, and is a late write after invalidation rejected?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: Today the plan lets both AuthBroker and SessionMint write into the cache directly, and the plan itself says the cache does not serialize writes (PLAN.md:18, 28). Picture this: an admin suspends a tenant, the cache is wiped for that tenant, but SessionMint was mid-flight (waiting on the identity provider) and finishes a moment later, writing a fresh valid session for the suspended tenant. That tenant stays logged in until the entry expires. The fix has two parts you can pick separately: route all writes through AuthCache's own named methods (one owner, one place to reason about), and have AuthCache stamp each write with the tenant's invalidation generation so a write that started before a suspension is dropped.\nStakes if we pick wrong: Without a guard, a suspended or revoked tenant can regain access for up to one TTL in a race that is rare in tests and common at scale. Over-engineering risk is small: the guard is one counter per tenant inside the facade.\nRecommendation: A because this is auth, the race is a security fail-open, and the guard is ~20 lines in the facade plus one race test; the adapter stays untouched.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Single writer (AuthCache intent methods) + per-tenant generation guard (recommended) (human: ~1 day / CC: ~20 min)\n \u2705 Closes the resurrection-after-invalidation window; suspension and revocation are immediately final\n \u2705 One owner for key construction, so tenant/issuer/audience/policy-version keys are built in exactly one place (DRY)\n \u274c Requires AuthCache to observe invalidation (subscribe to adapter hooks or route invalidation through the facade); if hooks are not observable this needs a small hook\nB) Single writer (AuthCache intent methods), no generation guard\n \u2705 One owner and DRY key construction with the smallest facade surface\n \u2705 No dependency on observing adapter invalidation events\n \u274c The resurrection race stays open; a suspended tenant can be re-cached by an in-flight mint\nC) Services mutate directly through pass-through methods, as proposed\n \u2705 Least code; the facade is a thin alias over the adapter\n \u2705 Nothing new to learn for anyone who knows the adapter\n \u274c Two writers building keys independently, no place to enforce write rules, and the race is open\nNet: closing a real auth fail-open for ~20 lines in the facade versus keeping the facade thin and accepting the race.",
|
||||
"header": "Cache writes",
|
||||
"options": [
|
||||
{
|
||||
"label": "Single writer + per-tenant generation guard (recommended)",
|
||||
"description": "Only AuthCache mutates the adapter, through intent-named methods. Each write carries the tenant invalidation generation captured at operation start; stale writes are rejected. Adapter unchanged."
|
||||
},
|
||||
{
|
||||
"label": "Single writer, no generation guard",
|
||||
"description": "Only AuthCache mutates, through intent-named methods. No stale-write rejection; the race window is documented."
|
||||
},
|
||||
{
|
||||
"label": "Direct pass-through mutation as proposed",
|
||||
"description": "AuthBroker and SessionMint call get/set/delete on the cache directly."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
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|
||||
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|
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||||
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|
||||
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|
||||
"D7 \u2014 With two services writing to one cache, who is allowed to mutate it, and is a late write after invalidation rejected?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: Today the plan lets both AuthBroker and SessionMint write into the cache directly, and the plan itself says the cache does not serialize writes (PLAN.md:18, 28). Picture this: an admin suspends a tenant, the cache is wiped for that tenant, but SessionMint was mid-flight (waiting on the identity provider) and finishes a moment later, writing a fresh valid session for the suspended tenant. That tenant stays logged in until the entry expires. The fix has two parts you can pick separately: route all writes through AuthCache's own named methods (one owner, one place to reason about), and have AuthCache stamp each write with the tenant's invalidation generation so a write that started before a suspension is dropped.\nStakes if we pick wrong: Without a guard, a suspended or revoked tenant can regain access for up to one TTL in a race that is rare in tests and common at scale. Over-engineering risk is small: the guard is one counter per tenant inside the facade.\nRecommendation: A because this is auth, the race is a security fail-open, and the guard is ~20 lines in the facade plus one race test; the adapter stays untouched.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Single writer (AuthCache intent methods) + per-tenant generation guard (recommended) (human: ~1 day / CC: ~20 min)\n \u2705 Closes the resurrection-after-invalidation window; suspension and revocation are immediately final\n \u2705 One owner for key construction, so tenant/issuer/audience/policy-version keys are built in exactly one place (DRY)\n \u274c Requires AuthCache to observe invalidation (subscribe to adapter hooks or route invalidation through the facade); if hooks are not observable this needs a small hook\nB) Single writer (AuthCache intent methods), no generation guard\n \u2705 One owner and DRY key construction with the smallest facade surface\n \u2705 No dependency on observing adapter invalidation events\n \u274c The resurrection race stays open; a suspended tenant can be re-cached by an in-flight mint\nC) Services mutate directly through pass-through methods, as proposed\n \u2705 Least code; the facade is a thin alias over the adapter\n \u2705 Nothing new to learn for anyone who knows the adapter\n \u274c Two writers building keys independently, no place to enforce write rules, and the race is open\nNet: closing a real auth fail-open for ~20 lines in the facade versus keeping the facade thin and accepting the race.": "Single writer + per-tenant generation guard (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-16T06:54:54.278Z"
|
||||
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|
||||
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|
||||
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 \u2014 Flatten validateAndDispatch() into a step pipeline with one error boundary, or patch the three nested catches in place?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The new validateAndDispatch() is described as 60 lines with three try/catch blocks nested inside each other, each one quietly eating a different kind of error (PLAN.md:31-32). \"Swallowing\" means the function keeps going after a step failed. In an auth path that is the dangerous direction: if the identity-provider call fails and gets swallowed, the request can continue toward dispatch with incomplete validation. The fix is to make every failure produce an explicit, named outcome (deny, auth-unavailable, or rethrow) and to lay the function out as a straight line of small named steps so a tired engineer can read it top to bottom at 3am. Which outcome each error maps to is not our call here: it must match what legacyAuthFlow() does today, which the regression fixtures (R4) will pin down.\nStakes if we pick wrong: Swallowed errors in auth are a fail-open waiting to happen and are invisible in logs. Flattening costs a few extraction moves; patching in place leaves the 60-line nest that produced the swallows in the first place.\nRecommendation: A because the nesting is the root cause of the swallows, extraction is cheap with CC, and one error boundary is the only place where \"which error maps to which outcome\" can be verified against the regression fixtures.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Linear step pipeline with one top-level error boundary; every error class maps to an explicit outcome matching legacy (recommended) (human: ~1 day / CC: ~20 min)\n \u2705 Each step is a ~10-line named function with its own unit tests; the error mapping is a single table you can diff against legacy\n \u2705 No silent continuation: an IDP failure cannot reach dispatch\n \u274c More small functions to name; the diff is larger than an in-place patch\nB) Keep the nested structure; replace each swallow with an explicit outcome\n \u2705 Smallest diff that removes the fail-open behavior\n \u2705 No renaming or extraction to review\n \u274c Three nested boundaries remain, so the error mapping is spread across the function and the next swallow is one edit away\nC) Keep as proposed (nested catches that swallow)\n \u2705 Zero extra work now\n \u2705 Matches the author's draft exactly\n \u274c Silent failures in the auth path; nothing tells you a validation step failed\nNet: a readable pipeline with one verifiable error table versus a minimal patch on a structure that invites the same bug back.",
|
||||
"header": "Error handling",
|
||||
"options": [
|
||||
{
|
||||
"label": "Linear pipeline, one error boundary, explicit outcomes (recommended)",
|
||||
"description": "Extract validate / cache lookup / policy / dispatch into named steps; one top-level boundary maps each error class to an explicit outcome that matches legacyAuthFlow()'s captured behavior."
|
||||
},
|
||||
{
|
||||
"label": "Keep nesting, make each catch explicit",
|
||||
"description": "Leave the three nested try/catch blocks; change each catch to return an explicit outcome instead of swallowing."
|
||||
},
|
||||
{
|
||||
"label": "Keep as proposed",
|
||||
"description": "Ship the 60-line function with three swallowing catches."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
"D8 \u2014 Flatten validateAndDispatch() into a step pipeline with one error boundary, or patch the three nested catches in place?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The new validateAndDispatch() is described as 60 lines with three try/catch blocks nested inside each other, each one quietly eating a different kind of error (PLAN.md:31-32). \"Swallowing\" means the function keeps going after a step failed. In an auth path that is the dangerous direction: if the identity-provider call fails and gets swallowed, the request can continue toward dispatch with incomplete validation. The fix is to make every failure produce an explicit, named outcome (deny, auth-unavailable, or rethrow) and to lay the function out as a straight line of small named steps so a tired engineer can read it top to bottom at 3am. Which outcome each error maps to is not our call here: it must match what legacyAuthFlow() does today, which the regression fixtures (R4) will pin down.\nStakes if we pick wrong: Swallowed errors in auth are a fail-open waiting to happen and are invisible in logs. Flattening costs a few extraction moves; patching in place leaves the 60-line nest that produced the swallows in the first place.\nRecommendation: A because the nesting is the root cause of the swallows, extraction is cheap with CC, and one error boundary is the only place where \"which error maps to which outcome\" can be verified against the regression fixtures.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Linear step pipeline with one top-level error boundary; every error class maps to an explicit outcome matching legacy (recommended) (human: ~1 day / CC: ~20 min)\n \u2705 Each step is a ~10-line named function with its own unit tests; the error mapping is a single table you can diff against legacy\n \u2705 No silent continuation: an IDP failure cannot reach dispatch\n \u274c More small functions to name; the diff is larger than an in-place patch\nB) Keep the nested structure; replace each swallow with an explicit outcome\n \u2705 Smallest diff that removes the fail-open behavior\n \u2705 No renaming or extraction to review\n \u274c Three nested boundaries remain, so the error mapping is spread across the function and the next swallow is one edit away\nC) Keep as proposed (nested catches that swallow)\n \u2705 Zero extra work now\n \u2705 Matches the author's draft exactly\n \u274c Silent failures in the auth path; nothing tells you a validation step failed\nNet: a readable pipeline with one verifiable error table versus a minimal patch on a structure that invites the same bug back.": "Linear pipeline, one error boundary, explicit outcomes (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T06:56:12.611Z"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 \u2014 How do we prove the rewrite behaves like legacyAuthFlow(): full characterization suite, a reduced one, or characterization plus a production shadow-compare?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan rewrites the function that decides whether every request is allowed in, and says it will not test that the new version behaves like the old one (PLAN.md:35-36). A characterization test is simple: before touching anything, feed the old function a table of inputs (good token, expired token, wrong tenant, revoked, suspended tenant, identity provider down, and so on) and record exactly what comes out, including what ends up in the cache. Then run the same table against the new code. If both agree on every row, the \"no behavior change\" promise is proven rather than hoped. The question is how wide the table is, and whether you also want a live safety net in production.\nStakes if we pick wrong: Too narrow: a tenant-isolation or revocation regression ships and you learn about it from a customer. Too wide: a day of test writing for a human team, though minutes with CC.\nRecommendation: A because this is auth for multiple tenants, every row in the matrix is a real production input, and the whole suite is ~20 table rows that CC writes in minutes; shadow-compare (C) is a good add only if you have traffic diversity the matrix cannot enumerate.\nCompleteness: A=10/10, B=7/10, C=10/10\nPros / cons:\nA) Full characterization suite across the whole input matrix, captured before the rewrite (recommended) (human: ~1.5 days / CC: ~30 min)\n \u2705 Proves \"no behavior change\" row by row, including cache state and IDP call counts, and doubles as the permanent regression suite\n \u2705 Any pre-existing fail-open in legacy is discovered before the rewrite, not after\n \u274c Requires a small test double for the IDP and adapter to make every row deterministic\nB) Reduced matrix: happy path, expired token, policy deny, one IDP failure\n \u2705 Fast to write and covers the four most common outcomes\n \u2705 Still proves the main flow survived the rewrite\n \u274c Cross-tenant, revocation, suspension and concurrency rows are exactly where multi-tenant auth breaks, and they are untested\nC) Full characterization suite plus a flagged production shadow-compare for one release (human: ~3 days / CC: ~1.5 h)\n \u2705 Catches input shapes no one thought to put in the table, with real traffic\n \u2705 Fully reversible: the flag removes the shadow path with no code change\n \u274c Doubles IDP load while the shadow runs and adds a temporary code path that must be removed later\nNet: a complete, cheap, permanent proof versus a quicker partial one; shadow-compare buys real-traffic coverage at the cost of temporary ops complexity.",
|
||||
"header": "Regression",
|
||||
"options": [
|
||||
{
|
||||
"label": "Full characterization suite (recommended)",
|
||||
"description": "Capture legacyAuthFlow()'s observable behavior across the full input matrix before the rewrite; run the same suite against the new code; delete legacy only when both pass."
|
||||
},
|
||||
{
|
||||
"label": "Reduced characterization matrix",
|
||||
"description": "Same mechanism, four rows: valid, expired, policy deny, IDP timeout."
|
||||
},
|
||||
{
|
||||
"label": "Full suite + production shadow-compare",
|
||||
"description": "Option A plus a flagged shadow path that runs both implementations and logs diffs for one release."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
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|
||||
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|
||||
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|
||||
"answers": {
|
||||
"D9 \u2014 How do we prove the rewrite behaves like legacyAuthFlow(): full characterization suite, a reduced one, or characterization plus a production shadow-compare?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan rewrites the function that decides whether every request is allowed in, and says it will not test that the new version behaves like the old one (PLAN.md:35-36). A characterization test is simple: before touching anything, feed the old function a table of inputs (good token, expired token, wrong tenant, revoked, suspended tenant, identity provider down, and so on) and record exactly what comes out, including what ends up in the cache. Then run the same table against the new code. If both agree on every row, the \"no behavior change\" promise is proven rather than hoped. The question is how wide the table is, and whether you also want a live safety net in production.\nStakes if we pick wrong: Too narrow: a tenant-isolation or revocation regression ships and you learn about it from a customer. Too wide: a day of test writing for a human team, though minutes with CC.\nRecommendation: A because this is auth for multiple tenants, every row in the matrix is a real production input, and the whole suite is ~20 table rows that CC writes in minutes; shadow-compare (C) is a good add only if you have traffic diversity the matrix cannot enumerate.\nCompleteness: A=10/10, B=7/10, C=10/10\nPros / cons:\nA) Full characterization suite across the whole input matrix, captured before the rewrite (recommended) (human: ~1.5 days / CC: ~30 min)\n \u2705 Proves \"no behavior change\" row by row, including cache state and IDP call counts, and doubles as the permanent regression suite\n \u2705 Any pre-existing fail-open in legacy is discovered before the rewrite, not after\n \u274c Requires a small test double for the IDP and adapter to make every row deterministic\nB) Reduced matrix: happy path, expired token, policy deny, one IDP failure\n \u2705 Fast to write and covers the four most common outcomes\n \u2705 Still proves the main flow survived the rewrite\n \u274c Cross-tenant, revocation, suspension and concurrency rows are exactly where multi-tenant auth breaks, and they are untested\nC) Full characterization suite plus a flagged production shadow-compare for one release (human: ~3 days / CC: ~1.5 h)\n \u2705 Catches input shapes no one thought to put in the table, with real traffic\n \u2705 Fully reversible: the flag removes the shadow path with no code change\n \u274c Doubles IDP load while the shadow runs and adds a temporary code path that must be removed later\nNet: a complete, cheap, permanent proof versus a quicker partial one; shadow-compare buys real-traffic coverage at the cost of temporary ops complexity.": "Full characterization suite (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T06:57:54.582Z"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 \u2014 Capture \"single-flight dedupe for concurrent same-token validations\" as a TODO?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: When the same token arrives twice at once (double-click, two tabs), both requests miss the cache and each fires its own 5 identity-provider calls. Single-flight means AuthCache keeps one in-flight promise per cache key so the second caller waits on the first result instead of repeating the work. It is a real IDP-load and latency win, but it changes concurrency behavior, so it does not belong in a \"no behavior change\" refactor.\nWhat: add in-flight request coalescing (one pending validation per cache key) inside AuthCache.\nWhy: halves or better the IDP call volume under bursty duplicate traffic; removes duplicate-session races.\nPros: fewer IDP calls, lower p99 under storms, natural home now that AuthCache is the single writer (D7).\nCons: a new concurrency primitive in the auth path; needs its own race tests; interacts with the generation guard (a coalesced result must still be rejected if the tenant was invalidated mid-flight).\nContext: after this refactor, AuthCache is the only component that touches the adapter, so the in-flight map has exactly one owner. Start in AuthCache.lookupOrValidate; reuse the R4 concurrency row as the test seed.\nDepends on / blocked by: this refactor landing first (D5 structure, D7 single writer).\nStakes if we pick wrong: Skip and the idea is lost until a load incident; build now and the refactor stops being behavior-neutral.\nRecommendation: A because it is valuable, clearly out of scope for a behavior-neutral refactor, and the reasoning above is worth preserving.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Add to TODOS.md (recommended)\n \u2705 Preserves the motivation and starting point for whoever picks it up in three months\n \u2705 Keeps this branch a pure reorg plus one isolated perf commit\n \u274c TODOS.md must be created after plan mode exits; nothing ships now\nB) Skip, not valuable enough\n \u2705 Nothing to maintain or track\n \u2705 Avoids speculative work if duplicate-token bursts are rare in your traffic\n \u274c The load analysis above is lost and gets rediscovered during an incident\nC) Build it now in this PR\n \u2705 Users get the latency and IDP-load win immediately\n \u2705 AuthCache is already being written, so the code is adjacent\n \u274c Adds a second behavioral change to a refactor whose proof is \"same in, same out\"; expands scope the complexity gate just reduced\nNet: capturing a well-reasoned follow-up versus dropping it or widening scope right after narrowing it.",
|
||||
"header": "TODO",
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "Record the single-flight dedupe TODO with the what/why/pros/cons/context above. Written after plan mode exits (TODOS.md is not the plan file)."
|
||||
},
|
||||
{
|
||||
"label": "Skip, not valuable enough",
|
||||
"description": "Do not record it."
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR",
|
||||
"description": "Add in-flight coalescing to AuthCache as part of this refactor."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 \u2014 Capture \"single-flight dedupe for concurrent same-token validations\" as a TODO?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: When the same token arrives twice at once (double-click, two tabs), both requests miss the cache and each fires its own 5 identity-provider calls. Single-flight means AuthCache keeps one in-flight promise per cache key so the second caller waits on the first result instead of repeating the work. It is a real IDP-load and latency win, but it changes concurrency behavior, so it does not belong in a \"no behavior change\" refactor.\nWhat: add in-flight request coalescing (one pending validation per cache key) inside AuthCache.\nWhy: halves or better the IDP call volume under bursty duplicate traffic; removes duplicate-session races.\nPros: fewer IDP calls, lower p99 under storms, natural home now that AuthCache is the single writer (D7).\nCons: a new concurrency primitive in the auth path; needs its own race tests; interacts with the generation guard (a coalesced result must still be rejected if the tenant was invalidated mid-flight).\nContext: after this refactor, AuthCache is the only component that touches the adapter, so the in-flight map has exactly one owner. Start in AuthCache.lookupOrValidate; reuse the R4 concurrency row as the test seed.\nDepends on / blocked by: this refactor landing first (D5 structure, D7 single writer).\nStakes if we pick wrong: Skip and the idea is lost until a load incident; build now and the refactor stops being behavior-neutral.\nRecommendation: A because it is valuable, clearly out of scope for a behavior-neutral refactor, and the reasoning above is worth preserving.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Add to TODOS.md (recommended)\n \u2705 Preserves the motivation and starting point for whoever picks it up in three months\n \u2705 Keeps this branch a pure reorg plus one isolated perf commit\n \u274c TODOS.md must be created after plan mode exits; nothing ships now\nB) Skip, not valuable enough\n \u2705 Nothing to maintain or track\n \u2705 Avoids speculative work if duplicate-token bursts are rare in your traffic\n \u274c The load analysis above is lost and gets rediscovered during an incident\nC) Build it now in this PR\n \u2705 Users get the latency and IDP-load win immediately\n \u2705 AuthCache is already being written, so the code is adjacent\n \u274c Adds a second behavioral change to a refactor whose proof is \"same in, same out\"; expands scope the complexity gate just reduced\nNet: capturing a well-reasoned follow-up versus dropping it or widening scope right after narrowing it.": "Add to TODOS.md (recommended)"
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"question": "D11 \u2014 Next step after this eng review?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The engineering review is complete and cleared. The plan has no user-interface work, so a design review adds nothing, and it is a behavior-neutral backend refactor, so a CEO/scope review is optional and not needed. The only remaining choice is navigation: proceed to implementation in the order the plan specifies (T1/T2/T3 in parallel, then T4 \u2192 T5 \u2192 T6, then T7 last), or pause here.\nStakes if we pick wrong: None that is hard to undo; this question approves no implementation change, only what happens next.\nRecommendation: A because all reviews relevant to this plan are complete and every decision is answered.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Ready to implement, run /ship when done (recommended)\n \u2705 All ten decisions answered; task list T1\u2013T9 and lane order are in the reviewed plan\n \u2705 Nothing else gates shipping; Eng Review is the only required tier\n \u274c Routing rules (D1) and TODOS.md (D10) still need writing once plan mode exits\nB) Pause here, no further action this session\n \u2705 Leaves the reviewed plan and artifacts saved for a later session\n \u2705 No further prompts\n \u274c Deferred D1/D10 writes stay pending until someone returns\nNet: navigation only; the reviewed plan is saved either way.",
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||||
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||||
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"label": "Ready to implement, run /ship when done (recommended)",
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"D11 \u2014 Next step after this eng review?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The engineering review is complete and cleared. The plan has no user-interface work, so a design review adds nothing, and it is a behavior-neutral backend refactor, so a CEO/scope review is optional and not needed. The only remaining choice is navigation: proceed to implementation in the order the plan specifies (T1/T2/T3 in parallel, then T4 \u2192 T5 \u2192 T6, then T7 last), or pause here.\nStakes if we pick wrong: None that is hard to undo; this question approves no implementation change, only what happens next.\nRecommendation: A because all reviews relevant to this plan are complete and every decision is answered.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nPros / cons:\nA) Ready to implement, run /ship when done (recommended)\n \u2705 All ten decisions answered; task list T1\u2013T9 and lane order are in the reviewed plan\n \u2705 Nothing else gates shipping; Eng Review is the only required tier\n \u274c Routing rules (D1) and TODOS.md (D10) still need writing once plan mode exits\nB) Pause here, no further action this session\n \u2705 Leaves the reviewed plan and artifacts saved for a later session\n \u2705 No further prompts\n \u274c Deferred D1/D10 writes stay pending until someone returns\nNet: navigation only; the reviewed plan is saved either way.": "Ready to implement, run /ship when done (recommended)"
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"plan": "# Plan: Multi-tenant Auth Refactor (reviewed)\n\n# Review output\n\n## Decision ledger\n\n### R4: Regression contract for the legacyAuthFlow() rewrite\nFinding: T1 (also S4), [P1], confidence 9/10, `PLAN.md:35-36` \u2014 \"The existing `legacyAuthFlow()` will get rewritten as part of this work; no regression test for the prior behavior is planned.\" and `PLAN.md:23-24` \u2014 \"That coverage does not exercise legacyAuthFlow() or assert compatibility with its prior behavior.\" Reviewer: plan-eng-review (native).\nPlan baseline: no regression coverage (original proposal; nothing approved).\nRuntime evidence: unknown. Callers of `legacyAuthFlow()` and its exact observable outputs are not visible in this repo; the characterization step below is what discovers them. A proposed rewrite is a regression risk, not proof that running code already broke.\nState: approved (was pending at dispatch; see Actual answer)\nComparison grid:\n\n| Choice | Current | A | B | C |\n|---|---|---|---|---|\n| R4 behavior to preserve | unstated | full observable contract of `legacyAuthFlow()`: result/outcome per input class, cache state after, IDP calls made, invalidation effects (logout, revocation, suspension) | happy path + expired token + policy deny + one IDP failure | same as A |\n| R4 how it is asserted | none | characterization (golden) suite captured from `legacyAuthFlow()` BEFORE the rewrite; same suite run against `AuthBroker.validateAndDispatch()` + `SessionMint`; legacy deleted only when both pass identically | same mechanism, smaller matrix | A plus a temporary production shadow-compare (run both, log diffs) behind a flag for one release |\n| R4 intentional differences | unstated | none in the structural commits; the D4 perf commit may change which IDP error surfaces first when 2+ fail (documented, asserted as an accepted difference) | same | same |\n| Input matrix | none | valid; expired; wrong issuer; wrong audience; cross-tenant token; revoked; suspended tenant; policy deny; IDP timeout; IDP 5xx; IDP malformed body; cache hit; cache miss; logout-then-request; concurrent same-token requests | valid; expired; policy deny; IDP timeout | same as A |\n| R1\u2013R3 | approved (D6\u2013D8) | fixed | fixed | fixed |\n\nQuestion D9:\nD9 \u2014 How do we prove the rewrite behaves like legacyAuthFlow(): full characterization suite, a reduced one, or characterization plus a production shadow-compare?\nProject/branch/task: gstack-plan-count-aL5jl6 on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan rewrites the function that decides whether every request is allowed in, and says it will not test that the new version behaves like the old one (PLAN.md:35-36). A characterization test is simple: before touching anything, feed the old function a table of inputs (good token, expired token, wrong tenant, revoked, suspended tenant, identity provider down, and so on) and record exactly what comes out, including what ends up in the cache. Then run the same table against the new code. If both agree on every row, the \"no behavior change\" promise is proven rather than hoped. The question is how wide the table is, and whether you also want a live safety net in production.\nStakes if we pick wrong: Too narrow: a tenant-isolation or revocation regression ships and you learn about it from a customer. Too wide: a day of test writing for a human team, though minutes with CC.\nRecommendation: A because this is auth for multiple tenants, every row in the matrix is a real production input, and the whole suite is ~20 table rows that CC writes in minutes; shadow-compare (C) is a good add only if you have traffic diversity the matrix cannot enumerate.\nCompleteness: A=10/10, B=7/10, C=10/10\nPros / cons:\nA) Full characterization suite across the whole input matrix, captured before the rewrite (recommended) (human: ~1.5 days / CC: ~30 min)\n \u2705 Proves \"no behavior change\" row by row, including cache state and IDP call counts, and doubles as the permanent regression suite\n \u2705 Any pre-existing fail-open in legacy is discovered before the rewrite, not after\n \u274c Requires a small test double for the IDP and adapter to make every row deterministic\nB) Reduced matrix: happy path, expired token, policy deny, one IDP failure\n \u2705 Fast to write and covers the four most common outcomes\n \u2705 Still proves the main flow survived the rewrite\n \u274c Cross-tenant, revocation, suspension and concurrency rows are exactly where multi-tenant auth breaks, and they are untested\nC) Full characterization suite plus a flagged production shadow-compare for one release (human: ~3 days / CC: ~1.5 h)\n \u2705 Catches input shapes no one thought to put in the table, with real traffic\n \u2705 Fully reversible: the flag removes the shadow path with no code change\n \u274c Doubles IDP load while the shadow runs and adds a temporary code path that must be removed later\nNet: a complete, cheap, permanent proof versus a Line truncated
|
||||
"extraction": "Exact R4 record and exact T1/T6 task bodies with owned ancestor headings; native calls and ACKs unchanged. The complete report is retained privately.",
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||||
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{
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||||
"name": "T1",
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"start": 41481,
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{
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||||
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||||
"start": 43642,
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-177
@@ -1,177 +0,0 @@
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"captureAt": "2026-09-15T19:33:27.540Z",
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||||
"note": "Complete public completed native decisions only; original paid timeout and missing evidence preserved separately. No earlier approvals needed to count the current four-to-three choice.",
|
||||
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||||
"question": "D6 \u2014 Component arrangement: keep TokenStore as a separate class, or fold it into AuthCache?\nProject/branch/task: `main`, PLAN.md Multi-tenant Auth Refactor; Scope Challenge structure choice (feature choices held fixed: legacy rewrite deferred behind a flag per D4, RequestPolicy deferred per D5).\nELI10: With RequestPolicy deferred, the plan still adds four components: AuthBroker, SessionMint, AuthCache, and TokenStore. The plan says AuthCache is a facade over the existing cache adapter, which already stores tokens keyed by tenant/issuer/audience/policy and already handles eviction and invalidation (PLAN.md:7-13). That makes TokenStore a third layer doing the adapter's job. This question picks structure only: how many boxes. Whether the shared AuthCache stays a module-level global (Section 1) and how errors and IDP calls are handled are separate decisions and stay pending in every option.\nStakes if we pick wrong: too many layers means three places to look when a tenant's revoked token still validates at 3am; too few means AuthBroker and SessionMint tangle if their responsibilities really are distinct.\nRecommendation: A because it removes the one component whose job the existing adapter already does, keeps the two services whose names describe distinct work, and preserves every retained contract from PLAN.md:6-13 unchanged. (human: ~0.5 day less / CC: ~5 min less.)\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: the existing adapter is already the token store; the question is whether you want a second one.",
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||||
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||||
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||||
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||||
"label": "3 components: AuthBroker, SessionMint, AuthCache; drop TokenStore (recommended)",
|
||||
"description": "\u2705 AuthCache facade + existing adapter is the single token store; one place for invalidation bugs\n\u2705 Two services with distinct names keep brokering and minting separable and testable\n\u274c If TokenStore was meant to hold something the adapter cannot (e.g. refresh-token secrets), that need has to be named and added to AuthCache"
|
||||
},
|
||||
{
|
||||
"label": "4 components: keep TokenStore separate (original)",
|
||||
"description": "\u2705 Matches the plan as written; no re-scoping of what AuthCache owns\n\u2705 Room for TokenStore to own a distinct persistence concern if one exists\n\u274c Three storage layers (adapter, AuthCache, TokenStore) with no stated boundary between the last two"
|
||||
},
|
||||
{
|
||||
"label": "2 components: one AuthService (broker+mint) + AuthCache",
|
||||
"description": "\u2705 Fewest moving parts; one service to inject the cache into\n\u2705 Simplest wiring for the D4 flag routing\n\u274c Merges two responsibilities the plan deliberately separated; AuthService grows into the next 60-line validateAndDispatch()"
|
||||
}
|
||||
]
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||||
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|
||||
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||||
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|
||||
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|
||||
"answers": {
|
||||
"D6 \u2014 Component arrangement: keep TokenStore as a separate class, or fold it into AuthCache?\nProject/branch/task: `main`, PLAN.md Multi-tenant Auth Refactor; Scope Challenge structure choice (feature choices held fixed: legacy rewrite deferred behind a flag per D4, RequestPolicy deferred per D5).\nELI10: With RequestPolicy deferred, the plan still adds four components: AuthBroker, SessionMint, AuthCache, and TokenStore. The plan says AuthCache is a facade over the existing cache adapter, which already stores tokens keyed by tenant/issuer/audience/policy and already handles eviction and invalidation (PLAN.md:7-13). That makes TokenStore a third layer doing the adapter's job. This question picks structure only: how many boxes. Whether the shared AuthCache stays a module-level global (Section 1) and how errors and IDP calls are handled are separate decisions and stay pending in every option.\nStakes if we pick wrong: too many layers means three places to look when a tenant's revoked token still validates at 3am; too few means AuthBroker and SessionMint tangle if their responsibilities really are distinct.\nRecommendation: A because it removes the one component whose job the existing adapter already does, keeps the two services whose names describe distinct work, and preserves every retained contract from PLAN.md:6-13 unchanged. (human: ~0.5 day less / CC: ~5 min less.)\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: the existing adapter is already the token store; the question is whether you want a second one.": "3 components: AuthBroker, SessionMint, AuthCache; drop TokenStore (recommended)"
|
||||
},
|
||||
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||||
"answeredAt": "2026-09-15T19:12:46.916Z"
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||||
"questions": [
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||||
{
|
||||
"question": "D10 \u2014 Rewrite validateAndDispatch() with explicit error outcomes, or just add logging to the three catches?\nProject/branch/task: `main`, PLAN.md Multi-tenant Auth Refactor; Code quality finding C1 (PLAN.md:23-24), ledger row R4.\nELI10: Today three nested try/catch blocks each quietly eat one kind of error. An expired token, a revoked one, and an unreachable identity provider all vanish into the same silence, and whatever runs after the catches may proceed as if nothing happened. The fix is to split the function: `validate()` returns a typed result (ok / expired / revoked / idp_unreachable) and rethrows anything it does not recognize, then `dispatch()` branches on that result. The user gets a specific failure, and an unknown bug crashes loudly instead of being swallowed.\nStakes if we pick wrong: with swallowed errors, an IDP outage can look like \"everyone's token is invalid\" (or worse, dispatch runs on an unvalidated request) and nobody finds out until a tenant complains.\nRecommendation: A because it is explicit over clever, kills the error-hiding anti-pattern at the root, and each outcome gets its own test. The plan's own 5-call IDP path (Section 4) needs the idp_unreachable variant anyway. (A: human ~1 day / CC ~20 min. B: human ~1h / CC ~5 min.)\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: typed outcomes and loud unknowns vs. the same silence with log lines.",
|
||||
"header": "R4 errors",
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||||
"multiSelect": false,
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||||
"options": [
|
||||
{
|
||||
"label": "Split into validate() + dispatch() with a typed AuthResult (recommended)",
|
||||
"description": "\u2705 Every known error class becomes a visible outcome the caller and the user can act on\n\u2705 Unknown errors propagate, so a real bug surfaces in monitoring instead of being eaten\n\u274c Touches every caller of validateAndDispatch() to branch on the result (bounded: it is one function)"
|
||||
},
|
||||
{
|
||||
"label": "Keep the nesting, add a log line per catch",
|
||||
"description": "\u2705 Smallest diff; the swallowed errors at least show up in logs\n\u2705 No caller changes\n\u274c Behavior still silently continues after failure; three nested blocks remain the next person's problem"
|
||||
},
|
||||
{
|
||||
"label": "Do nothing (as planned)",
|
||||
"description": "\u2705 Zero effort now\n\u2705 No risk of changing current caller behavior\n\u274c Error hiding stays in the auth path; failures are invisible to users and operators"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 \u2014 Rewrite validateAndDispatch() with explicit error outcomes, or just add logging to the three catches?\nProject/branch/task: `main`, PLAN.md Multi-tenant Auth Refactor; Code quality finding C1 (PLAN.md:23-24), ledger row R4.\nELI10: Today three nested try/catch blocks each quietly eat one kind of error. An expired token, a revoked one, and an unreachable identity provider all vanish into the same silence, and whatever runs after the catches may proceed as if nothing happened. The fix is to split the function: `validate()` returns a typed result (ok / expired / revoked / idp_unreachable) and rethrows anything it does not recognize, then `dispatch()` branches on that result. The user gets a specific failure, and an unknown bug crashes loudly instead of being swallowed.\nStakes if we pick wrong: with swallowed errors, an IDP outage can look like \"everyone's token is invalid\" (or worse, dispatch runs on an unvalidated request) and nobody finds out until a tenant complains.\nRecommendation: A because it is explicit over clever, kills the error-hiding anti-pattern at the root, and each outcome gets its own test. The plan's own 5-call IDP path (Section 4) needs the idp_unreachable variant anyway. (A: human ~1 day / CC ~20 min. B: human ~1h / CC ~5 min.)\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: typed outcomes and loud unknowns vs. the same silence with log lines.": "Split into validate() + dispatch() with a typed AuthResult (recommended)"
|
||||
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"questions": [
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||||
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|
||||
"question": "D4 — TokenStore: keep it in this PR, or defer/cut it?\nProject/branch/task: `main`, PLAN.md Multi-tenant Auth Refactor; complexity gate (12 files, 4-5 new classes).\nELI10: The plan lists `TokenStore` as one of 4 new classes (PLAN.md:35) but never says what it does. The existing cache adapter already stores tokens keyed by tenant/issuer/audience/policy version and handles expiry and invalidation (PLAN.md:7-13). A second token-holding class next to it is either a duplicate or an unstated new responsibility. Either way it should not ship on an undefined spec.\nStakes if we pick wrong: include it undefined and you get a class that overlaps the adapter, two sources of truth for tokens, and a new place for the revocation race to hide; cut it if it is actually load-bearing and the broker has nowhere to put minted tokens.\nRecommendation: B (Defer) because nothing else in the plan references TokenStore, the adapter already covers token storage, and deferring keeps the door open once its responsibility is written down.\nNote: options differ in kind, not coverage — no completeness score.\nNet: trade one undefined class now for a plan that only builds things it can describe. Whole-candidate scope; other candidates unchanged.",
|
||||
"header": "TokenStore",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "B) Defer (recommended)",
|
||||
"description": "✅ Removes an undefined class from this PR; nothing else in the plan depends on it (human: ~0 / CC: ~0)\n✅ Adapter remains the single source of truth for cached tokens, so the revocation path stays one-hop\n❌ If TokenStore was meant to hold something the adapter cannot (e.g. refresh tokens), that gap resurfaces mid-implementation"
|
||||
},
|
||||
{
|
||||
"label": "A) Include",
|
||||
"description": "✅ Preserves the original plan shape if you already know its responsibility (tell me what it is)\n✅ No re-planning; the class count stays as written\n❌ Ships a class with no written contract; reviewers cannot check it against anything, and it likely duplicates the adapter"
|
||||
},
|
||||
{
|
||||
"label": "C) Cut",
|
||||
"description": "✅ Cleanest plan: token storage is the adapter's job, full stop\n✅ One fewer file/class in the 12-file diff\n❌ Harder to revive later than a deferral if a real need appears"
|
||||
},
|
||||
{
|
||||
"label": "D) Hold",
|
||||
"description": "✅ Stops the chain so you can explain what TokenStore is before any structure decision\n✅ No disposition changes until we talk\n❌ Review pauses here until you reply"
|
||||
}
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"answers": {
|
||||
"D4 — TokenStore: keep it in this PR, or defer/cut it?\nProject/branch/task: `main`, PLAN.md Multi-tenant Auth Refactor; complexity gate (12 files, 4-5 new classes).\nELI10: The plan lists `TokenStore` as one of 4 new classes (PLAN.md:35) but never says what it does. The existing cache adapter already stores tokens keyed by tenant/issuer/audience/policy version and handles expiry and invalidation (PLAN.md:7-13). A second token-holding class next to it is either a duplicate or an unstated new responsibility. Either way it should not ship on an undefined spec.\nStakes if we pick wrong: include it undefined and you get a class that overlaps the adapter, two sources of truth for tokens, and a new place for the revocation race to hide; cut it if it is actually load-bearing and the broker has nowhere to put minted tokens.\nRecommendation: B (Defer) because nothing else in the plan references TokenStore, the adapter already covers token storage, and deferring keeps the door open once its responsibility is written down.\nNote: options differ in kind, not coverage — no completeness score.\nNet: trade one undefined class now for a plan that only builds things it can describe. Whole-candidate scope; other candidates unchanged.": "B) Defer (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-15T19:37:23.037Z"
|
||||
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|
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||||
"question": "D4 — Does TokenStore stay in this refactor, or is it cut/deferred?\nProject/branch/task: main; Scope Challenge complexity gate on PLAN.md \"Multi-tenant Auth Refactor\" (12 files, 4 new classes + AuthBroker).\nELI10: The plan already says the existing cache adapter stores tokens keyed by tenant, issuer, audience and policy version, evicts expired ones, and invalidates on logout/revocation/suspension (PLAN.md:7-13). Then it adds a brand-new class called TokenStore (PLAN.md:35) without saying what it stores that the adapter does not. Two places that hold tokens means two places that can disagree about whether a token is still valid. That is the exact bug class a multi-tenant auth system cannot afford.\nStakes if we pick wrong: keep it with no defined role and you ship a second token source of truth; cut it and it turns out to hold something the adapter cannot (say, refresh tokens with a different lifetime) and SessionMint has nowhere to put them.\nRecommendation: B (defer) because nothing in the plan names a TokenStore responsibility the retained adapter lacks; if a real one surfaces during implementation it comes back as its own scoped decision with a stated contract.\nNote: options differ in kind, not coverage — no completeness score.\nNet: fewer moving parts and one token source of truth vs keeping a slot open for a responsibility the plan has not written down.",
|
||||
"options": [
|
||||
{
|
||||
"label": "Defer TokenStore (recommended)",
|
||||
"description": "✅ One token source of truth: the retained adapter behind the AuthCache facade. ✅ Drops one of the 4 new classes and its file(s) from a 12-file diff. ❌ If refresh tokens or non-cache token state truly need a home, that comes back as a follow-up decision (human: ~1 day / CC: ~20 min later)."
|
||||
},
|
||||
{
|
||||
"label": "Keep TokenStore",
|
||||
"description": "✅ Keeps the plan's original shape; no re-planning of SessionMint's storage. ✅ Room for token state the cache adapter does not model, if that exists. ❌ Second token holder with undefined contract next to an adapter that already keys, evicts and invalidates tokens; drift and stale-token bugs live in that gap."
|
||||
},
|
||||
{
|
||||
"label": "Cut TokenStore entirely",
|
||||
"description": "✅ Cleanest scope: the name disappears from the plan and cannot creep back silently. ✅ Same simplification win as deferring. ❌ If a real need appears mid-implementation you re-open scope instead of picking up a recorded deferral."
|
||||
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|
||||
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||||
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||||
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||||
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||||
"D4 — Does TokenStore stay in this refactor, or is it cut/deferred?\nProject/branch/task: main; Scope Challenge complexity gate on PLAN.md \"Multi-tenant Auth Refactor\" (12 files, 4 new classes + AuthBroker).\nELI10: The plan already says the existing cache adapter stores tokens keyed by tenant, issuer, audience and policy version, evicts expired ones, and invalidates on logout/revocation/suspension (PLAN.md:7-13). Then it adds a brand-new class called TokenStore (PLAN.md:35) without saying what it stores that the adapter does not. Two places that hold tokens means two places that can disagree about whether a token is still valid. That is the exact bug class a multi-tenant auth system cannot afford.\nStakes if we pick wrong: keep it with no defined role and you ship a second token source of truth; cut it and it turns out to hold something the adapter cannot (say, refresh tokens with a different lifetime) and SessionMint has nowhere to put them.\nRecommendation: B (defer) because nothing in the plan names a TokenStore responsibility the retained adapter lacks; if a real one surfaces during implementation it comes back as its own scoped decision with a stated contract.\nNote: options differ in kind, not coverage — no completeness score.\nNet: fewer moving parts and one token source of truth vs keeping a slot open for a responsibility the plan has not written down.": "Defer TokenStore (recommended)"
|
||||
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|
||||
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||||
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||||
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|
||||
{
|
||||
"header": "Structure",
|
||||
"question": "D6 — Which class arrangement for the remaining scope: AuthBroker + SessionMint + RequestPolicy + AuthCache facade, or drop the facade?\nProject/branch/task: main; Scope Challenge structure gate on PLAN.md with TokenStore deferred (D4) and RequestPolicy kept (D5).\nELI10: After D4/D5 the plan adds four new types: two services (AuthBroker, SessionMint), RequestPolicy, and AuthCache. AuthCache is described as a facade over the existing cache adapter that 'retains unchanged validity and tenant-key rules' (PLAN.md:9-13), so it adds no behavior of its own; it is a thin wrapper that gives the two services one narrow cache API. The alternative is to have both services call the existing adapter directly and skip the wrapper. This question is about shape only. How the services obtain the cache (the shared mutable global in PLAN.md:19-20) is a separate architecture decision that stays pending in both options.\nStakes if we pick wrong: keep a pass-through layer nobody needed and every cache change touches two files forever; drop it and the two services each grow their own adapter glue, which is the DRY violation you asked me to flag aggressively.\nRecommendation: A because two consumers of the same adapter is exactly when a shared facade pays for itself, and the facade is the natural seam for whatever we decide about the shared-instance problem in Section 1.\nNote: options differ in kind, not coverage — no completeness score.\nNet: one thin extra file that centralizes cache access for two services vs one fewer type at the cost of duplicated adapter glue.",
|
||||
"options": [
|
||||
{
|
||||
"label": "Keep AuthCache facade (recommended)",
|
||||
"description": "✅ AuthBroker and SessionMint share one narrow cache API; adapter details live in one place. ✅ Gives Section 1 a clean seam for fixing the shared mutable instance without touching the adapter. ❌ One more type in a diff already carrying 3 new ones; a pure pass-through until it earns behavior (human: ~half day / CC: ~10 min)."
|
||||
},
|
||||
{
|
||||
"label": "Drop the facade, use adapter directly",
|
||||
"description": "✅ Three new types instead of four; the adapter's existing tests are the only cache tests needed. ✅ No pass-through layer to keep in sync with the adapter. ❌ Two services each carry their own adapter calls and key construction; a cache contract change means editing both."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 — Which class arrangement for the remaining scope: AuthBroker + SessionMint + RequestPolicy + AuthCache facade, or drop the facade?\nProject/branch/task: main; Scope Challenge structure gate on PLAN.md with TokenStore deferred (D4) and RequestPolicy kept (D5).\nELI10: After D4/D5 the plan adds four new types: two services (AuthBroker, SessionMint), RequestPolicy, and AuthCache. AuthCache is described as a facade over the existing cache adapter that 'retains unchanged validity and tenant-key rules' (PLAN.md:9-13), so it adds no behavior of its own; it is a thin wrapper that gives the two services one narrow cache API. The alternative is to have both services call the existing adapter directly and skip the wrapper. This question is about shape only. How the services obtain the cache (the shared mutable global in PLAN.md:19-20) is a separate architecture decision that stays pending in both options.\nStakes if we pick wrong: keep a pass-through layer nobody needed and every cache change touches two files forever; drop it and the two services each grow their own adapter glue, which is the DRY violation you asked me to flag aggressively.\nRecommendation: A because two consumers of the same adapter is exactly when a shared facade pays for itself, and the facade is the natural seam for whatever we decide about the shared-instance problem in Section 1.\nNote: options differ in kind, not coverage — no completeness score.\nNet: one thin extra file that centralizes cache access for two services vs one fewer type at the cost of duplicated adapter glue.": "Keep AuthCache facade (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T01:31:13.613Z"
|
||||
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|
||||
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|
||||
"note": "Exact complete public cf74 retry D4 and D6 requests, selected labels and successful ACKs. No standalone or combined replay grants paid acceptance."
|
||||
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||||
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||||
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||||
"question": "D8 \u2014 Class arrangement: keep the AuthCache facade, or have services use the existing adapter directly?\nProject/branch/task: gstack-plan-count-wB30y0 on `main`, Scope Challenge structure gate for PLAN.md (TokenStore cut per D6, RequestPolicy kept per D7).\nELI10: After D6/D7 the plan has four new classes: AuthBroker, SessionMint, RequestPolicy and AuthCache. The plan describes AuthCache (PLAN.md:10-13) as a facade over the existing adapter that keeps every rule unchanged and adds no serialization: a pass-through. This question is structure only: same features either way. Whether the shared cache stays a module-level mutable export or becomes an injected dependency is Section 1's decision and stays pending in both options.\nStakes if we pick wrong: Keep a pass-through facade and you maintain a class that forwards calls forever; drop it and, if the adapter's API is wide or awkward for services, both services grow their own adapter-wrangling code.\nRecommendation: B because the plan itself says the facade changes nothing; three classes over an already-tested adapter is enough engineering. If the adapter's API is genuinely hostile for services, say so and A becomes right.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: fewer moving parts now vs a seam you might want later (and can add later when a real need shows up).",
|
||||
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|
||||
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||||
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|
||||
{
|
||||
"label": "B) Drop the facade: 3 classes over the adapter (recommended)",
|
||||
"description": "\u2705 AuthBroker and SessionMint depend on the existing, tested adapter interface directly; ~8 files, 3 new classes. \u2705 No pass-through layer to keep in sync when the adapter grows a method. \u274c If Section 1 later wants a narrow auth-only surface to serialize mutations behind, that seam must be introduced then. (human: ~0 / CC: ~0 to remove from plan)"
|
||||
},
|
||||
{
|
||||
"label": "A) Keep AuthCache facade: 4 classes",
|
||||
"description": "\u2705 Gives services a narrow, auth-specific API instead of the whole adapter surface. \u2705 Ready-made home if Section 1 decides mutations need coordinating in one place. \u274c As written it is a pure forwarder (PLAN.md:10-13): a class, tests and a file that add no behavior today. (human: ~1 day / CC: ~15 min)"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
"answers": {
|
||||
"D8 \u2014 Class arrangement: keep the AuthCache facade, or have services use the existing adapter directly?\nProject/branch/task: gstack-plan-count-wB30y0 on `main`, Scope Challenge structure gate for PLAN.md (TokenStore cut per D6, RequestPolicy kept per D7).\nELI10: After D6/D7 the plan has four new classes: AuthBroker, SessionMint, RequestPolicy and AuthCache. The plan describes AuthCache (PLAN.md:10-13) as a facade over the existing adapter that keeps every rule unchanged and adds no serialization: a pass-through. This question is structure only: same features either way. Whether the shared cache stays a module-level mutable export or becomes an injected dependency is Section 1's decision and stays pending in both options.\nStakes if we pick wrong: Keep a pass-through facade and you maintain a class that forwards calls forever; drop it and, if the adapter's API is wide or awkward for services, both services grow their own adapter-wrangling code.\nRecommendation: B because the plan itself says the facade changes nothing; three classes over an already-tested adapter is enough engineering. If the adapter's API is genuinely hostile for services, say so and A becomes right.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: fewer moving parts now vs a seam you might want later (and can add later when a real need shows up).": "B) Drop the facade: 3 classes over the adapter (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T10:06:09.513Z"
|
||||
},
|
||||
"legacyPlan": "# Current reviewed plan\n\n## Decision ledger\n\n### R7: legacyAuthFlow() regression contract (REGRESSION RULE)\nFinding: Test #1, CRITICAL/P1, confidence 9/10, PLAN.md:27-28 (\"will get rewritten as part of this work; no regression test for the prior behavior is planned\") and PLAN.md:14-16 (\"does not exercise legacyAuthFlow() or assert compatibility\"), reviewer: plan-eng-review (Claude)\nPlan baseline: rewrite without regression coverage (original proposal)\nRuntime evidence: unknown (source not in repo); callers of legacyAuthFlow() unknown, to be enumerated at build (grep) and listed in the plan\nState: pending\n\nComparison grid:\n\n| Choice | Current | A: characterization matrix | B: happy path + one error |\n|---|---|---|---|\n| R7 behavior to preserve | unstated, pending | full matrix: valid token; expired; revoked; wrong tenant; wrong issuer; wrong audience; policy-version mismatch; IDP unreachable; malformed token; suspended tenant | valid token; one rejection (expired) |\n| R7 intentional changes | unstated, pending | listed explicitly in the plan; each asserted as new behavior in the new suite, not carried from old | listed for the two covered cases only |\n| R7 acceptance assertions | none | for each matrix row: same accept/reject outcome and same error class/HTTP status as legacyAuthFlow() produced, captured as golden tests BEFORE the rewrite, then run against the new path | outcome equality for the two cases |\n| R7 caller coverage | none | every caller of legacyAuthFlow() enumerated; one integration test per caller path [\u2192E2E] | none |\n| Other approved rows (R1\u2013R6) | fixed | fixed | fixed |\n\nQuestion D12:\nD12 \u2014 How do we protect legacyAuthFlow()'s behavior through the rewrite? (Not whether: the Regression Rule requires coverage.)\nRecommendation: A because the matrix is ten cases and CC writes them in minutes; B leaves eight rejection paths unprotected in an auth rewrite.\nCompleteness: A=10/10, B=7/10\nA) Characterization matrix captured before the rewrite + per-caller integration tests (recommended)\nB) Happy path + one rejection case\n\nActual answer: **A, characterization matrix before rewrite + per-caller integration tests** (D12)\nAccepted scope: before any rewrite, capture golden tests from the running `legacyAuthFlow()` for: valid token; expired; revoked; wrong tenant; wrong issuer; wrong audience; policy-version mismatch; IDP unreachable; malformed token; suspended tenant. Assert accept/reject outcome and error class/status per case. Replay the suite against the new path. Enumerate every caller of `legacyAuthFlow()` (grep at build) and add one integration test per caller path [\u2192E2E]. Intentional behavior differences must be listed in the plan and asserted as new behavior, not inherited.\nHistory: none\n\n## Implementation Tasks\n\n- [ ] **T1 (P1, human: ~1.5 days / CC: ~20 min)** \u2014 tests/legacy \u2014 Capture the 10-case characterization matrix from `legacyAuthFlow()` and add one integration test per caller\n - Surfaced by: Test review \u2014 T1 CRITICAL, PLAN.md:27-28; R7/D12\n - Files: new `legacyAuthFlow.characterization.test.*`, one integration test per enumerated caller\n - Verify: matrix green against legacy; replayed green against new path before swap\n- [ ] **T9 (P2, human: ~1 day / CC: ~15 min)** \u2014 auth/legacy \u2014 Swap callers to the new path, delete `legacyAuthFlow()` only after T1 replays green; update or delete any stale diagrams nearby\n - Surfaced by: Test review T1; Code quality C3\n - Files: every enumerated caller, `legacyAuthFlow` module\n - Verify: T1 suite + per-caller integration tests green on the new path\n\n## GSTACK REVIEW REPORT\nEng: clear\n",
|
||||
"legacyNativeApprovalProvenance": {
|
||||
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||||
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|
||||
"answeredAt": "2026-09-15T10:10:38.609Z",
|
||||
"actualAnswer": "A) Characterization matrix before rewrite + per-caller integration tests (recommended)",
|
||||
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||||
{
|
||||
"question": "D1 \u2014 Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo; this is a one-time gstack setup prompt before the review starts.\nELI10: gstack has a bunch of slash-command skills (review, ship, investigate, etc.). Routing rules in CLAUDE.md tell the assistant which skill to reach for when you say things like \"review this\" or \"fix this bug\", so you don't have to remember the names. Without them you invoke skills by hand.\nStakes if we pick wrong: Low either way. Choosing A adds a short section to CLAUDE.md and a commit; choosing B means manual skill invocation until re-enabled.\nRecommendation: A because routing makes skills discoverable with zero ongoing cost, and it's a one-line config flip to undo.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: convenience now vs. keeping CLAUDE.md untouched. Note: plan mode is active, so if you pick A the CLAUDE.md edit and commit will be deferred until we leave plan mode.",
|
||||
"header": "Routing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add routing rules (recommended)",
|
||||
"description": "\u2705 Natural-language requests auto-route to the right gstack skill without memorizing names\n\u2705 Single reversible commit; team sees the same routing when they pull\n\u274c Touches CLAUDE.md and adds a commit (deferred until plan mode exits)"
|
||||
},
|
||||
{
|
||||
"label": "No thanks, invoke manually",
|
||||
"description": "\u2705 CLAUDE.md stays exactly as-is, no extra commit on this branch\n\u2705 Re-enable any time with one gstack-config command\n\u274c You must remember and type each /skill name yourself"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 \u2014 Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo; this is a one-time gstack setup prompt before the review starts.\nELI10: gstack has a bunch of slash-command skills (review, ship, investigate, etc.). Routing rules in CLAUDE.md tell the assistant which skill to reach for when you say things like \"review this\" or \"fix this bug\", so you don't have to remember the names. Without them you invoke skills by hand.\nStakes if we pick wrong: Low either way. Choosing A adds a short section to CLAUDE.md and a commit; choosing B means manual skill invocation until re-enabled.\nRecommendation: A because routing makes skills discoverable with zero ongoing cost, and it's a one-line config flip to undo.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: convenience now vs. keeping CLAUDE.md untouched. Note: plan mode is active, so if you pick A the CLAUDE.md edit and commit will be deferred until we leave plan mode.": "Add routing rules (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-15T12:30:12.869Z"
|
||||
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|
||||
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||||
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||||
"questions": [
|
||||
{
|
||||
"question": "D2 \u2014 No design doc found. Run /office-hours first, or go straight into the engineering review?\nProject/branch/task: main branch; reviewing PLAN.md \"Multi-tenant Auth Refactor\" with no design doc on disk.\nELI10: A design doc is the \"why\" behind the plan: the problem statement, the premise challenge, and the alternatives that were considered and rejected. /office-hours produces one in about 10 minutes and gives this review sharper input. Without it I review the plan on its own terms, using what it states and what I can infer.\nStakes if we pick wrong: Skipping risks reviewing a plan whose premise is off (e.g. a shared mutable cache was never the right shape). Running it costs ~10 minutes before any review output lands.\nRecommendation: B because you asked for the reviewed plan as a concrete deliverable at a named path, the plan already states its architecture and known smells, and the repo holds no source to ground a premise challenge against.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: 10 minutes of upstream thinking vs. getting the review you asked for now. Skipping is not fatal; the Scope Challenge still questions the premise.",
|
||||
"header": "Design doc",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Skip \u2014 standard review (recommended)",
|
||||
"description": "\u2705 Review starts now against the plan as written; deliverable lands sooner\n\u2705 Scope Challenge still questions the shared-cache premise and the 4-class footprint\n\u274c No structured record of alternatives considered before this architecture was picked"
|
||||
},
|
||||
{
|
||||
"label": "Run /office-hours now",
|
||||
"description": "\u2705 Produces a design doc with problem statement, premise challenge, explored alternatives\n\u2705 Later reviews and teammates get the reasoning, not just the plan\n\u274c ~10 minutes of interactive Q&A before the engineering review begins"
|
||||
}
|
||||
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|
||||
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|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 \u2014 No design doc found. Run /office-hours first, or go straight into the engineering review?\nProject/branch/task: main branch; reviewing PLAN.md \"Multi-tenant Auth Refactor\" with no design doc on disk.\nELI10: A design doc is the \"why\" behind the plan: the problem statement, the premise challenge, and the alternatives that were considered and rejected. /office-hours produces one in about 10 minutes and gives this review sharper input. Without it I review the plan on its own terms, using what it states and what I can infer.\nStakes if we pick wrong: Skipping risks reviewing a plan whose premise is off (e.g. a shared mutable cache was never the right shape). Running it costs ~10 minutes before any review output lands.\nRecommendation: B because you asked for the reviewed plan as a concrete deliverable at a named path, the plan already states its architecture and known smells, and the repo holds no source to ground a premise challenge against.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: 10 minutes of upstream thinking vs. getting the review you asked for now. Skipping is not fatal; the Scope Challenge still questions the premise.": "Skip \u2014 standard review (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-15T12:31:43.051Z"
|
||||
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||||
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||||
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||||
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|
||||
"question": "D3 \u2014 Scope: keep the legacyAuthFlow() rewrite in this change, or defer it to a follow-up?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, Scope Challenge finding S3 (PLAN.md:27-28).\nELI10: The plan builds new auth services AND rewrites the existing legacyAuthFlow() onto them in one go. That's the whole refactor landing at once. The alternative is two steps: land the new services plus characterization tests of the legacy path now, then rewrite legacy in a second change. Fewer moving parts per change, but the new services sit unused until step two.\nStakes if we pick wrong: Bundle it and a regression in the legacy path lands in the same diff as five new units, making bisecting painful. Defer it and you ship dead code plus a second risky PR that still has all the same exposure.\nRecommendation: A because the rewrite IS the refactor; deferring it produces unused services and moves the risk rather than reducing it. How to land it safely (new path behind a flag, legacy kept until parity) is an Architecture question I'll ask separately, not a scope cut.\nCompleteness: A=10/10, B=6/10\nNet: one complete change with staged rollout vs. two changes where the first has no user-visible effect. This chooses scope only; the flag/strangler mechanics and regression tests are still pending.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Keep rewrite in scope (recommended)",
|
||||
"description": "\u2705 Delivers the actual refactor; new services get a real caller in the same change (human: ~3 days / CC: ~1h for the rewrite itself)\n\u2705 One review, one bisect target, one rollout to babysit\n\u274c Largest single diff; regression coverage of legacy becomes non-negotiable before merge"
|
||||
},
|
||||
{
|
||||
"label": "Defer rewrite to follow-up",
|
||||
"description": "\u2705 Smaller first change: new services + characterization tests only, legacy untouched\n\u2705 Legacy tests exist before any rewrite starts\n\u274c New services are dead code until PR2; PR2 carries identical regression risk plus drift from PR1"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 \u2014 Scope: keep the legacyAuthFlow() rewrite in this change, or defer it to a follow-up?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, Scope Challenge finding S3 (PLAN.md:27-28).\nELI10: The plan builds new auth services AND rewrites the existing legacyAuthFlow() onto them in one go. That's the whole refactor landing at once. The alternative is two steps: land the new services plus characterization tests of the legacy path now, then rewrite legacy in a second change. Fewer moving parts per change, but the new services sit unused until step two.\nStakes if we pick wrong: Bundle it and a regression in the legacy path lands in the same diff as five new units, making bisecting painful. Defer it and you ship dead code plus a second risky PR that still has all the same exposure.\nRecommendation: A because the rewrite IS the refactor; deferring it produces unused services and moves the risk rather than reducing it. How to land it safely (new path behind a flag, legacy kept until parity) is an Architecture question I'll ask separately, not a scope cut.\nCompleteness: A=10/10, B=6/10\nNet: one complete change with staged rollout vs. two changes where the first has no user-visible effect. This chooses scope only; the flag/strangler mechanics and regression tests are still pending.": "Keep rewrite in scope (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:33:19.301Z"
|
||||
},
|
||||
{
|
||||
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|
||||
"toolUseId": "toolu_01WbHgsjLnfoYvd6RLmsdPce",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 \u2014 Structure: keep all five new units, or fold two of them?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, Scope Challenge findings S1/S2 (PLAN.md:11-12, :19, :35-36).\nELI10: The plan adds five new units: AuthBroker, SessionMint, TokenStore, AuthCache, RequestPolicy, across 12 files. Two look foldable. AuthCache already fronts the one existing backing cache, so a separate TokenStore is a second layer over the same storage unless it holds something the adapter can't. RequestPolicy sounds like a decision (\"is this request allowed under this tenant's policy\"), which is a pure function, not a class with state. Fewer units means fewer places a 3am bug can hide.\nStakes if we pick wrong: Keep everything and you maintain two token layers and a class that wraps a function. Fold too far and you jam minting and brokering into one object with mixed failure modes.\nRecommendation: B because it removes the two units with the weakest justification while keeping the real seams (broker vs. mint vs. cache). If TokenStore holds data the existing adapter does not (refresh tokens at rest, opaque session blobs), pick Other and say so; then A is right.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: this chooses class/module arrangement only. Both options keep the cache contract at PLAN.md:7-13 unchanged and leave the shared-singleton fix, validateAndDispatch cleanup, Promise.all, and regression tests pending for their own decisions.",
|
||||
"header": "Structure",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Fold TokenStore + RequestPolicy (recommended)",
|
||||
"description": "\u2705 3 new classes (AuthBroker, SessionMint, AuthCache) + requestPolicy.ts as pure functions; ~8-9 files (human: ~1 day less / CC: ~10 min less)\n\u2705 One token layer over the existing adapter; policy logic testable as pure input\u2192output\n\u274c If TokenStore was meant to hold non-cache state, that need resurfaces later as a new class"
|
||||
},
|
||||
{
|
||||
"label": "Keep original five units",
|
||||
"description": "\u2705 Matches the plan as drafted; no re-scoping of TokenStore or RequestPolicy responsibilities\n\u2705 Safe if TokenStore genuinely stores something the adapter does not\n\u274c Two token-holding layers over one backing cache; 12 files and 5 units for a 3am on-call to learn"
|
||||
},
|
||||
{
|
||||
"label": "Fold SessionMint into AuthBroker too",
|
||||
"description": "\u2705 Smallest footprint: AuthBroker + AuthCache, ~6 files, 2 classes\n\u2705 One entry point for all auth decisions\n\u274c Minting and brokering have different failure modes (IDP down vs. policy denied); one class mixes them and grows fast"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 \u2014 Structure: keep all five new units, or fold two of them?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, Scope Challenge findings S1/S2 (PLAN.md:11-12, :19, :35-36).\nELI10: The plan adds five new units: AuthBroker, SessionMint, TokenStore, AuthCache, RequestPolicy, across 12 files. Two look foldable. AuthCache already fronts the one existing backing cache, so a separate TokenStore is a second layer over the same storage unless it holds something the adapter can't. RequestPolicy sounds like a decision (\"is this request allowed under this tenant's policy\"), which is a pure function, not a class with state. Fewer units means fewer places a 3am bug can hide.\nStakes if we pick wrong: Keep everything and you maintain two token layers and a class that wraps a function. Fold too far and you jam minting and brokering into one object with mixed failure modes.\nRecommendation: B because it removes the two units with the weakest justification while keeping the real seams (broker vs. mint vs. cache). If TokenStore holds data the existing adapter does not (refresh tokens at rest, opaque session blobs), pick Other and say so; then A is right.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: this chooses class/module arrangement only. Both options keep the cache contract at PLAN.md:7-13 unchanged and leave the shared-singleton fix, validateAndDispatch cleanup, Promise.all, and regression tests pending for their own decisions.": "Fold TokenStore + RequestPolicy (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:33:39.362Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01MQbujxXhSK3giNdDb6xX43",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 (R1) \u2014 How should AuthBroker and SessionMint get their AuthCache?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding A1 (PLAN.md:19-20).\nELI10: Right now both services grab one cache object that lives at the top of a module, like a global variable. Anyone who imports the module gets the same object and can change it. That makes tests leak state into each other and makes it impossible to run two isolated caches (per test, per region) without hacks. The fix is boring: build the one cache at startup and hand it to each service's constructor.\nStakes if we pick wrong: Flaky auth tests that pass alone and fail together; no way to swap a fake cache in integration tests; a future \"one cache per region\" requirement forces a rewrite of both services.\nRecommendation: A because it's the standard [Layer 1] fix, costs about the same as the singleton with CC, and is the difference between testable and untestable auth code.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: a constructor parameter now vs. monkey-patching forever. Still one backing cache in production either way; contract at PLAN.md:7-13 unchanged. R2 (write ordering) stays pending regardless.",
|
||||
"header": "R1 cache DI",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Constructor injection (recommended)",
|
||||
"description": "\u2705 One AuthCache built at the composition root and passed to both services; tests pass a fresh one (human: ~2h / CC: ~10min)\n\u2705 Enables per-test isolation and future per-region instances with zero service changes\n\u274c Composition root / wiring file must exist or be added; every call site constructing a service changes"
|
||||
},
|
||||
{
|
||||
"label": "Keep export, add test reset hook",
|
||||
"description": "\u2705 Smallest diff: singleton stays, add `__resetForTests()` to clear state between tests\n\u2705 No wiring changes at call sites\n\u274c Test-only API leaks into production code; still cannot run two isolated instances; hidden coupling remains"
|
||||
},
|
||||
{
|
||||
"label": "Do nothing",
|
||||
"description": "\u2705 Zero work, plan ships as written\n\u2705 Works fine as long as there is exactly one process and no test isolation is needed\n\u274c Every test shares mutable auth state; a production bug in one service can corrupt the other's view"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 (R1) \u2014 How should AuthBroker and SessionMint get their AuthCache?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding A1 (PLAN.md:19-20).\nELI10: Right now both services grab one cache object that lives at the top of a module, like a global variable. Anyone who imports the module gets the same object and can change it. That makes tests leak state into each other and makes it impossible to run two isolated caches (per test, per region) without hacks. The fix is boring: build the one cache at startup and hand it to each service's constructor.\nStakes if we pick wrong: Flaky auth tests that pass alone and fail together; no way to swap a fake cache in integration tests; a future \"one cache per region\" requirement forces a rewrite of both services.\nRecommendation: A because it's the standard [Layer 1] fix, costs about the same as the singleton with CC, and is the difference between testable and untestable auth code.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: a constructor parameter now vs. monkey-patching forever. Still one backing cache in production either way; contract at PLAN.md:7-13 unchanged. R2 (write ordering) stays pending regardless.": "Constructor injection (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:35:07.124Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01RuM42bTnr5o5VmbjkeAqqX",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 (R2) \u2014 Guard against a mint completing after the tenant was revoked or suspended?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding A2 (PLAN.md:8-10).\nELI10: Minting a session takes a round trip to the identity provider. If an admin suspends the tenant (or a user logs out) during that round trip, the cache gets wiped for them, and then the mint finishes and writes a brand-new valid token back in. The suspended tenant keeps working until the token expires. Nobody sees an error. The plan says mutations are not serialized, so this can happen today as designed.\nStakes if we pick wrong: A revoked or suspended tenant retains access for up to a full token TTL, silently. For an auth system that is the worst kind of bug: no crash, no log line, wrong answer.\nRecommendation: A because it closes a silent security hole with a small, testable change inside the AuthCache facade (a per-tenant invalidation marker the write compares against) without touching the adapter's contract.\nCompleteness: A=10/10, B=5/10, C=2/10\nNet: a compare-before-write in one facade method vs. documenting that suspension is best-effort. Keeps R1 (injection) and the PLAN.md:7-13 contract fixed.",
|
||||
"header": "R2 race",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Stale-write guard in AuthCache (recommended)",
|
||||
"description": "\u2705 SessionMint reads the tenant's invalidation marker before the IDP call; AuthCache.set drops the write if the marker moved; unit test for the interleaving (human: ~1 day / CC: ~20min)\n\u2705 Adapter untouched; marker is facade state keyed by tenant, cleared with the existing invalidation hooks\n\u274c A dropped write means the user re-mints once; needs a metric so silent drops are visible"
|
||||
},
|
||||
{
|
||||
"label": "Investigate adapter first",
|
||||
"description": "\u2705 Bounded probe: does the existing adapter already expose a version or compare-and-set on write?\n\u2705 Avoids building a marker if the adapter already has one\n\u274c Decision stays open; the race remains in the plan until the probe reports back"
|
||||
},
|
||||
{
|
||||
"label": "Accept race, document TTL bound",
|
||||
"description": "\u2705 No new code; plan ships as written\n\u2705 Fine if token TTLs are seconds, not hours\n\u274c Suspended tenants retain access for up to one TTL with no signal; hard to explain in a security review"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 (R2) \u2014 Guard against a mint completing after the tenant was revoked or suspended?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding A2 (PLAN.md:8-10).\nELI10: Minting a session takes a round trip to the identity provider. If an admin suspends the tenant (or a user logs out) during that round trip, the cache gets wiped for them, and then the mint finishes and writes a brand-new valid token back in. The suspended tenant keeps working until the token expires. Nobody sees an error. The plan says mutations are not serialized, so this can happen today as designed.\nStakes if we pick wrong: A revoked or suspended tenant retains access for up to a full token TTL, silently. For an auth system that is the worst kind of bug: no crash, no log line, wrong answer.\nRecommendation: A because it closes a silent security hole with a small, testable change inside the AuthCache facade (a per-tenant invalidation marker the write compares against) without touching the adapter's contract.\nCompleteness: A=10/10, B=5/10, C=2/10\nNet: a compare-before-write in one facade method vs. documenting that suspension is best-effort. Keeps R1 (injection) and the PLAN.md:7-13 contract fixed.": "Stale-write guard in AuthCache (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:35:38.731Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01VeqZfywTYXLgCsM4dh2qeH",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 (R3) \u2014 How does the legacyAuthFlow() rewrite reach production?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding A3 (PLAN.md:27-28, D3).\nELI10: You decided the rewrite ships in this change (D3). Now: does every tenant switch to the new path in one deploy, or does a per-tenant flag route traffic to the new path while the old one stays alive until you've watched it work? The flag version is the strangler pattern: new code grows around the old until the old can be cut out.\nStakes if we pick wrong: Hard cutover means an auth regression hits all tenants at once and the only rollback is a redeploy under pressure. A flag means one more code path to maintain for a few weeks and a deletion task you must actually do.\nRecommendation: A because this is authentication for every tenant; a per-tenant flag turns a 3am incident into a config flip, and the deletion follow-up is cheap with CC.\nCompleteness: A=10/10, B=5/10\nNet: a flag and a soak period vs. one deploy and a prayer. Regression tests (R6) are needed in both cases and stay pending.",
|
||||
"header": "R3 rollout",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Per-tenant flag, strangler (recommended)",
|
||||
"description": "\u2705 New path behind a per-tenant flag; legacy retained; ramp internal -> canary tenants -> 100%; delete legacy after soak (human: ~1 day / CC: ~30min plus soak time)\n\u2705 Rollback is a flag flip, no deploy; canary tenants surface parity gaps before everyone sees them\n\u274c Two live code paths during the ramp; a deletion follow-up that must be tracked or it rots"
|
||||
},
|
||||
{
|
||||
"label": "Hard cutover",
|
||||
"description": "\u2705 One code path from day one; nothing to delete later\n\u2705 Simplest diff and simplest mental model\n\u274c All tenants exposed simultaneously; rollback is a revert deploy during an auth outage"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 (R3) \u2014 How does the legacyAuthFlow() rewrite reach production?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding A3 (PLAN.md:27-28, D3).\nELI10: You decided the rewrite ships in this change (D3). Now: does every tenant switch to the new path in one deploy, or does a per-tenant flag route traffic to the new path while the old one stays alive until you've watched it work? The flag version is the strangler pattern: new code grows around the old until the old can be cut out.\nStakes if we pick wrong: Hard cutover means an auth regression hits all tenants at once and the only rollback is a redeploy under pressure. A flag means one more code path to maintain for a few weeks and a deletion task you must actually do.\nRecommendation: A because this is authentication for every tenant; a per-tenant flag turns a 3am incident into a config flip, and the deletion follow-up is cheap with CC.\nCompleteness: A=10/10, B=5/10\nNet: a flag and a soak period vs. one deploy and a prayer. Regression tests (R6) are needed in both cases and stay pending.": "Per-tenant flag, strangler (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:36:12.350Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01RMXBwiEezcbB4vAq6seoH5",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 (R4) \u2014 What does requestPolicy do when a tenant's policy is missing or its version is unknown?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding A4 (PLAN.md:35, D4 fold to requestPolicy.ts).\nELI10: The policy evaluator decides whether a request is allowed under the tenant's rules. The plan never says what happens when those rules can't be found (new tenant not provisioned yet, policy service down) or arrive in a version the code doesn't understand (deploy skew). Fail closed means deny and say why; fail open means let it through with a default. Medium confidence this is a real gap: the adapter keys by policy version, so it may already reject unknown versions. Verify during build.\nStakes if we pick wrong: Fail open during a policy-service outage grants access using rules the tenant never set. Fail closed during the same outage locks legitimate users out until it recovers, but they see an error instead of nothing.\nRecommendation: A because for authorization, a visible outage beats invisible over-grant every time, and a typed error plus metric makes the outage diagnosable.\nCompleteness: A=10/10, B=4/10\nNet: users see a clear denial during a policy outage vs. users silently get default permissions. Other decisions stay fixed.",
|
||||
"header": "R4 policy",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Fail closed with typed error (recommended)",
|
||||
"description": "\u2705 Missing or unknown-version policy -> `PolicyUnavailableError`, request denied, counter metric per tenant; tests for both cases (human: ~2h / CC: ~10min)\n\u2705 Outage is visible in dashboards and to the user; no access granted under rules nobody set\n\u274c A policy-service outage denies legitimate users until it recovers"
|
||||
},
|
||||
{
|
||||
"label": "Fail open with default policy",
|
||||
"description": "\u2705 Users keep working through a policy-service outage\n\u2705 Simpler operationally during incidents\n\u274c Access granted under a default the tenant never configured; a warning log is the only signal"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 (R4) \u2014 What does requestPolicy do when a tenant's policy is missing or its version is unknown?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding A4 (PLAN.md:35, D4 fold to requestPolicy.ts).\nELI10: The policy evaluator decides whether a request is allowed under the tenant's rules. The plan never says what happens when those rules can't be found (new tenant not provisioned yet, policy service down) or arrive in a version the code doesn't understand (deploy skew). Fail closed means deny and say why; fail open means let it through with a default. Medium confidence this is a real gap: the adapter keys by policy version, so it may already reject unknown versions. Verify during build.\nStakes if we pick wrong: Fail open during a policy-service outage grants access using rules the tenant never set. Fail closed during the same outage locks legitimate users out until it recovers, but they see an error instead of nothing.\nRecommendation: A because for authorization, a visible outage beats invisible over-grant every time, and a typed error plus metric makes the outage diagnosable.\nCompleteness: A=10/10, B=4/10\nNet: users see a clear denial during a policy outage vs. users silently get default permissions. Other decisions stay fixed.": "Fail closed with typed error (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:36:43.962Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01WJBLQriM9ZWzLocgHnruZ2",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 (R5) \u2014 How should validateAndDispatch() be restructured?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding C1 (PLAN.md:23-24).\nELI10: This function does two jobs (check the token, then route the request) in 60 lines with three try/catch blocks nested inside each other, and each catch eats a different kind of error without passing it on. In auth code, an eaten error is a decision nobody made: the request proceeds or fails for reasons no log will ever show. The clean fix splits the two jobs, catches once at the edge, and turns every failure into a typed error the caller can see.\nStakes if we pick wrong: Keep swallowing and the first production incident is undiagnosable: no stack, no log, wrong outcome. Over-engineer and you get a Result-type framework nobody asked for.\nRecommendation: A because it is explicit over clever, each half becomes unit-testable on its own, and the typed errors are what the policy (D8) and cache (R9) decisions need to surface through anyway.\nCompleteness: A=10/10, B=6/10, C=1/10\nNet: two small functions and an error hierarchy vs. one big function that hides its failures. Cache-unavailable behavior (R9) is separate and stays pending.",
|
||||
"header": "R5 dispatch",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Split + typed errors, no swallowing (recommended)",
|
||||
"description": "\u2705 `validate()` and `dispatch()` as separate functions; single try/catch at the boundary maps to `AuthError` subclasses (`TokenInvalid`, `PolicyUnavailable`, `IdpUnavailable`); every error logged and propagated (human: ~1 day / CC: ~20min)\n\u2705 Each half unit-tested alone; error tests assert the exact class, not just \"throws\"\n\u274c Callers of validateAndDispatch must handle typed errors instead of a silent fallthrough"
|
||||
},
|
||||
{
|
||||
"label": "Keep shape, log and rethrow in each catch",
|
||||
"description": "\u2705 Smallest change: three catches gain a structured log line and a rethrow\n\u2705 Stops the swallowing without moving code\n\u274c Still 60 lines and three nesting levels; error classes stay ad hoc; nothing becomes more testable"
|
||||
},
|
||||
{
|
||||
"label": "Do nothing",
|
||||
"description": "\u2705 Zero work; the plan already flags it as a smell and moves on\n\u2705 Behavior unchanged for callers that depend on the silent fallthrough\n\u274c Swallowed errors in auth code persist; first incident is a blind investigation"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 (R5) \u2014 How should validateAndDispatch() be restructured?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding C1 (PLAN.md:23-24).\nELI10: This function does two jobs (check the token, then route the request) in 60 lines with three try/catch blocks nested inside each other, and each catch eats a different kind of error without passing it on. In auth code, an eaten error is a decision nobody made: the request proceeds or fails for reasons no log will ever show. The clean fix splits the two jobs, catches once at the edge, and turns every failure into a typed error the caller can see.\nStakes if we pick wrong: Keep swallowing and the first production incident is undiagnosable: no stack, no log, wrong outcome. Over-engineer and you get a Result-type framework nobody asked for.\nRecommendation: A because it is explicit over clever, each half becomes unit-testable on its own, and the typed errors are what the policy (D8) and cache (R9) decisions need to surface through anyway.\nCompleteness: A=10/10, B=6/10, C=1/10\nNet: two small functions and an error hierarchy vs. one big function that hides its failures. Cache-unavailable behavior (R9) is separate and stays pending.": "Split + typed errors, no swallowing (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:37:35.674Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01MgsZz5oQj56jKxGZvkWpnz",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 (R9) \u2014 When the cache adapter is down, does AuthBroker fall through to the IDP or deny?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding C3 (PLAN.md:11-13).\nELI10: The cache is there to avoid asking the identity provider on every request. If the cache itself is unreachable (connection refused, timeout), the plan doesn't say what happens. Option A treats it as a cache miss: ask the IDP directly, log the cache failure loudly, keep serving. Option B treats a broken cache as a broken auth system and denies. Note this is different from D8: a missing policy means we don't know the rules; a missing cache just means we lost a shortcut, and the IDP is still the source of truth.\nStakes if we pick wrong: Deny and a cache outage becomes a full auth outage for every tenant. Fall through and a cache outage becomes an IDP load spike, which could trip IDP rate limits and become an outage anyway, just slower.\nRecommendation: A because the IDP remains authoritative, so correctness is preserved; the risk is load, which is visible and rate-limitable, not a silent wrong answer.\nCompleteness: A=10/10, B=7/10\nNet: degrade gracefully with a loud metric vs. fail hard on an optimization layer. Typed error (D9) is used either way; only where it stops differs.",
|
||||
"header": "R9 cache down",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Treat as miss, go to IDP, log loudly (recommended)",
|
||||
"description": "\u2705 get/set failures caught inside AuthCache, surfaced as `CacheUnavailableError` in logs + metric; broker proceeds to IDP; tests for get-fail and set-fail paths (human: ~3h / CC: ~15min)\n\u2705 IDP stays the source of truth, so no wrong auth decision is made during a cache outage\n\u274c IDP call volume jumps to 100% of requests during the outage; needs an alert on the metric"
|
||||
},
|
||||
{
|
||||
"label": "Propagate error, deny request",
|
||||
"description": "\u2705 Simplest semantics: any infrastructure failure = deny\n\u2705 Never risks overloading the IDP\n\u274c A cache outage is now an auth outage for every tenant; users locked out by an optimization layer"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 (R9) \u2014 When the cache adapter is down, does AuthBroker fall through to the IDP or deny?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding C3 (PLAN.md:11-13).\nELI10: The cache is there to avoid asking the identity provider on every request. If the cache itself is unreachable (connection refused, timeout), the plan doesn't say what happens. Option A treats it as a cache miss: ask the IDP directly, log the cache failure loudly, keep serving. Option B treats a broken cache as a broken auth system and denies. Note this is different from D8: a missing policy means we don't know the rules; a missing cache just means we lost a shortcut, and the IDP is still the source of truth.\nStakes if we pick wrong: Deny and a cache outage becomes a full auth outage for every tenant. Fall through and a cache outage becomes an IDP load spike, which could trip IDP rate limits and become an outage anyway, just slower.\nRecommendation: A because the IDP remains authoritative, so correctness is preserved; the risk is load, which is visible and rate-limitable, not a silent wrong answer.\nCompleteness: A=10/10, B=7/10\nNet: degrade gracefully with a loud metric vs. fail hard on an optimization layer. Typed error (D9) is used either way; only where it stops differs.": "Treat as miss, go to IDP, log loudly (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:38:07.288Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01KBoGm5h57Jr7VYutX9CnXS",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D11 (R6) \u2014 How do we protect legacyAuthFlow()'s current behavior through the rewrite?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding T1 CRITICAL (PLAN.md:15-16, 27-28).\nELI10: The plan rewrites the live auth path and explicitly says no test will check that the new path behaves like the old one. That's the one test class you can't skip on auth code. The question is how to build the safety net, not whether. A characterization suite records what the old code does today for a table of inputs and asserts the new code matches, with a short written list of differences you chose on purpose (typed errors instead of swallowed ones, deny on missing policy, IDP fallthrough on cache outage).\nStakes if we pick wrong: Without it, the first sign of a parity gap is a tenant locked out or, worse, let in. With too thin a net, the edge cases (revoked, wrong audience, suspended) are exactly what slips.\nRecommendation: A because it is the standard [Layer 1] answer for rewriting untested code, it is cheap with CC, and it doubles as documentation of the intentional differences.\nCompleteness: A=10/10, B=8/10, C=4/10\nNet: an input-matrix suite you own vs. a staging replay harness you must maintain vs. a happy-path check that misses the cases that matter. Flag-routing tests (D7) are carried in all options.",
|
||||
"header": "R6 regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Characterization suite + differences allowlist (recommended)",
|
||||
"description": "\u2705 `legacyAuthFlow.regression.test.ts`: input matrix (valid, expired, revoked, wrong audience, wrong issuer, suspended tenant, unknown tenant, malformed token) run through legacy and new path; assert equal outcomes except allowlisted differences (human: ~2 days / CC: ~30min)\n\u2705 Allowlist doubles as the changelog for D8/D9/D10 behavior changes\n\u274c Matrix must be enumerated by reading legacyAuthFlow() and its callers first; unknown inputs stay unprotected"
|
||||
},
|
||||
{
|
||||
"label": "Record/replay staging traffic through both paths",
|
||||
"description": "\u2705 Real input distribution, catches cases nobody thought to enumerate\n\u2705 Diff report per tenant before flag ramp\n\u274c Needs a capture harness and token scrubbing; slower to build and flaky if IDP responses drift"
|
||||
},
|
||||
{
|
||||
"label": "Happy-path parity only",
|
||||
"description": "\u2705 One test, fast to write\n\u2705 Catches a totally broken rewrite\n\u274c Misses every edge case that actually differs; revoked/suspended parity unverified"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 (R6) \u2014 How do we protect legacyAuthFlow()'s current behavior through the rewrite?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding T1 CRITICAL (PLAN.md:15-16, 27-28).\nELI10: The plan rewrites the live auth path and explicitly says no test will check that the new path behaves like the old one. That's the one test class you can't skip on auth code. The question is how to build the safety net, not whether. A characterization suite records what the old code does today for a table of inputs and asserts the new code matches, with a short written list of differences you chose on purpose (typed errors instead of swallowed ones, deny on missing policy, IDP fallthrough on cache outage).\nStakes if we pick wrong: Without it, the first sign of a parity gap is a tenant locked out or, worse, let in. With too thin a net, the edge cases (revoked, wrong audience, suspended) are exactly what slips.\nRecommendation: A because it is the standard [Layer 1] answer for rewriting untested code, it is cheap with CC, and it doubles as documentation of the intentional differences.\nCompleteness: A=10/10, B=8/10, C=4/10\nNet: an input-matrix suite you own vs. a staging replay harness you must maintain vs. a happy-path check that misses the cases that matter. Flag-routing tests (D7) are carried in all options.": "Characterization suite + differences allowlist (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:39:15.092Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01GzLuA7HypNwFDo42JvrYBd",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D12 (R7) \u2014 Add an end-to-end test and a concurrency test on top of the planned unit/integration coverage?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding T2 (PLAN.md:14-15).\nELI10: The plan covers each new piece on its own with success and error cases. Two things only show up when the pieces run together: (1) an end-to-end request through the flag, the broker, a real test instance of the cache adapter, and a stubbed identity provider, and (2) two requests for the same user hitting a cold cache at the same moment, which should mint once, not twice. Unit tests with mocks hide both.\nStakes if we pick wrong: Skip them and the integration seam (adapter key format vs. what AuthCache passes) is first exercised in production. The double-mint bug shows up as IDP rate-limit warnings nobody can reproduce.\nRecommendation: A because auth flows are on the E2E-mandatory list (too important for mocks alone) and both tests are cheap with CC once the components exist.\nCompleteness: A=10/10, B=7/10\nNet: two more tests that take a real adapter instance in CI vs. trusting mocks on the auth path. All approved proof from D5-D11 is carried either way.",
|
||||
"header": "R7 depth",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add E2E + concurrency tests (recommended)",
|
||||
"description": "\u2705 `auth.e2e.test.ts`: flag on/off, valid + expired + revoked through real adapter instance and IDP stub; `SessionMint.concurrency.test.ts`: 2 concurrent cold-cache requests -> 1 IDP mint (human: ~1 day / CC: ~20min)\n\u2705 Exercises the adapter key contract for real; catches double-mint before it becomes an IDP rate-limit incident\n\u274c CI needs a disposable adapter instance (container or in-memory) and the IDP stub fixture"
|
||||
},
|
||||
{
|
||||
"label": "Plan baseline only",
|
||||
"description": "\u2705 No new CI infrastructure; unit + integration as planned\n\u2705 Faster test suite\n\u274c Adapter seam and concurrent-mint behavior first observed in production"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D12 (R7) \u2014 Add an end-to-end test and a concurrency test on top of the planned unit/integration coverage?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding T2 (PLAN.md:14-15).\nELI10: The plan covers each new piece on its own with success and error cases. Two things only show up when the pieces run together: (1) an end-to-end request through the flag, the broker, a real test instance of the cache adapter, and a stubbed identity provider, and (2) two requests for the same user hitting a cold cache at the same moment, which should mint once, not twice. Unit tests with mocks hide both.\nStakes if we pick wrong: Skip them and the integration seam (adapter key format vs. what AuthCache passes) is first exercised in production. The double-mint bug shows up as IDP rate-limit warnings nobody can reproduce.\nRecommendation: A because auth flows are on the E2E-mandatory list (too important for mocks alone) and both tests are cheap with CC once the components exist.\nCompleteness: A=10/10, B=7/10\nNet: two more tests that take a real adapter instance in CI vs. trusting mocks on the auth path. All approved proof from D5-D11 is carried either way.": "Add E2E + concurrency tests (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:39:52.759Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01PBtsUtBM49ScMxA6m3N2nC",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D13 (R8) \u2014 Parallelize the 5 IDP validation calls, and what happens when one fails?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding P1 (PLAN.md:31-32).\nELI10: Validating a token asks the identity provider five separate questions, one after another, so a cold-cache login waits for five round trips. They don't depend on each other, so they can all be asked at once and the wait drops to the slowest single call. The remaining choice is what to do if one of the five fails: stop immediately (Promise.all) or wait for all five and report every failure together (Promise.allSettled).\nStakes if we pick wrong: Stay sequential and every cold login pays 5x latency for no reason. Pick allSettled and a failing call still makes the user wait for the slowest one before hearing no. Pick fail-fast and you lose the other four results, which only matters for diagnostics.\nRecommendation: A because auth is all-or-nothing (every check must pass), so fail-fast is the correct semantics and the built-in [Layer 1] answer; the user hears no as soon as one check says no.\nCompleteness: A=10/10, B=9/10, C=3/10\nNet: fastest correct answer vs. richer failure detail vs. status quo. Typed errors (D9) carry the result either way; the D12 E2E assertion finalizes on this answer.",
|
||||
"header": "R8 Promise.all",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Promise.all, fail-fast (recommended)",
|
||||
"description": "\u2705 Latency drops from ~5 round trips to ~1; first rejection maps to `TokenInvalidError` or `IdpUnavailableError` per D9; one shared per-request timeout; p50/p95 measured before and after (human: ~3h / CC: ~10min)\n\u2705 Matches auth semantics: any failed check ends the request now\n\u274c Other four results discarded, so a failure log shows one reason, not all"
|
||||
},
|
||||
{
|
||||
"label": "Promise.allSettled, aggregate",
|
||||
"description": "\u2705 Same latency win on the happy path; error carries every failed check's reason\n\u2705 Better diagnostics when the IDP is partially degraded\n\u274c On failure the user waits for the slowest call before being denied; more branching in the error mapping"
|
||||
},
|
||||
{
|
||||
"label": "Keep sequential",
|
||||
"description": "\u2705 No change; simplest to reason about call order\n\u2705 Naturally fail-fast (later calls never run)\n\u274c Every cold-cache login pays 5x IDP latency for no correctness benefit"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D13 (R8) \u2014 Parallelize the 5 IDP validation calls, and what happens when one fails?\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor, finding P1 (PLAN.md:31-32).\nELI10: Validating a token asks the identity provider five separate questions, one after another, so a cold-cache login waits for five round trips. They don't depend on each other, so they can all be asked at once and the wait drops to the slowest single call. The remaining choice is what to do if one of the five fails: stop immediately (Promise.all) or wait for all five and report every failure together (Promise.allSettled).\nStakes if we pick wrong: Stay sequential and every cold login pays 5x latency for no reason. Pick allSettled and a failing call still makes the user wait for the slowest one before hearing no. Pick fail-fast and you lose the other four results, which only matters for diagnostics.\nRecommendation: A because auth is all-or-nothing (every check must pass), so fail-fast is the correct semantics and the built-in [Layer 1] answer; the user hears no as soon as one check says no.\nCompleteness: A=10/10, B=9/10, C=3/10\nNet: fastest correct answer vs. richer failure detail vs. status quo. Typed errors (D9) carry the result either way; the D12 E2E assertion finalizes on this answer.": "Promise.all, fail-fast (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:41:22.225Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01XvwJKkZ5D3MU84tuBxXivT",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D14 \u2014 TODO: \"Delete legacyAuthFlow() legacy body after flag soak\"\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor; follow-up created by D7 (per-tenant flag, strangler).\nELI10: You chose to keep the old auth code alive behind a flag while the new path ramps. That old code has to be deleted once every tenant is on the new path and it has run clean for a while, or it rots into a second auth system nobody tests. This TODO captures that deletion with enough context to do it in three months.\n\nWhat: remove the legacy body from legacyAuthFlow(), the `auth.newBrokerPath` flag, and the flag-off branch of the regression suite. Why: strangler pattern only pays off if the old path is actually removed. Context: after 100% ramp plus a soak window (suggest 2 weeks), confirm zero legacy-path invocations via the flag metric, then delete; keep the characterization matrix as the AuthBroker unit suite. Depends on: D7 ramp complete, D11 suite green. Effort: S. Priority: P2.\nStakes if we pick wrong: Skip it and the dead path lingers indefinitely; build it now is impossible (the soak hasn't happened).\nRecommendation: A because it is a real deletion with a real trigger that nobody will remember without a note. Plan mode blocks writing TODOS.md now; if you pick A I will add it when we exit plan mode.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: a tracked deletion vs. a forgotten one.",
|
||||
"header": "TODO 1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "\u2705 Deletion has a written trigger (100% ramp + soak) and a starting point\n\u2705 Someone in three months knows why the flag exists and when it can go\n\u274c One more file to maintain; TODOS.md does not exist yet and will be created"
|
||||
},
|
||||
{
|
||||
"label": "Skip \u2014 not valuable enough",
|
||||
"description": "\u2705 No TODOS.md churn\n\u2705 Team may track it in their own issue tracker instead\n\u274c Legacy body and flag likely outlive their purpose"
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR",
|
||||
"description": "\u2705 No dead code at all\n\u2705 Nothing to track\n\u274c Contradicts D7: deleting legacy now IS the hard cutover you rejected"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D14 \u2014 TODO: \"Delete legacyAuthFlow() legacy body after flag soak\"\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor; follow-up created by D7 (per-tenant flag, strangler).\nELI10: You chose to keep the old auth code alive behind a flag while the new path ramps. That old code has to be deleted once every tenant is on the new path and it has run clean for a while, or it rots into a second auth system nobody tests. This TODO captures that deletion with enough context to do it in three months.\n\nWhat: remove the legacy body from legacyAuthFlow(), the `auth.newBrokerPath` flag, and the flag-off branch of the regression suite. Why: strangler pattern only pays off if the old path is actually removed. Context: after 100% ramp plus a soak window (suggest 2 weeks), confirm zero legacy-path invocations via the flag metric, then delete; keep the characterization matrix as the AuthBroker unit suite. Depends on: D7 ramp complete, D11 suite green. Effort: S. Priority: P2.\nStakes if we pick wrong: Skip it and the dead path lingers indefinitely; build it now is impossible (the soak hasn't happened).\nRecommendation: A because it is a real deletion with a real trigger that nobody will remember without a note. Plan mode blocks writing TODOS.md now; if you pick A I will add it when we exit plan mode.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: a tracked deletion vs. a forgotten one.": "Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T12:42:18.039Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "d7c58dab-1247-4669-9f5b-2665e78e7a58",
|
||||
"toolUseId": "toolu_01D9LBLdbJma7zLY3SUu8WrC",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D15 \u2014 TODO: \"Alert on auth_cache_unavailable_total and dropped stale writes\"\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor; follow-up created by D6 (dropped-write metric) and D10 (cache fallthrough metric).\nELI10: Two decisions made failures loud through metrics instead of errors: a cache outage falls through to the IDP (D10), and a mint that loses to a revocation is dropped (D6). A metric nobody alerts on is a log line nobody reads. This TODO wires alert thresholds so a cache outage or a burst of dropped writes pages someone before the IDP rate-limits you.\n\nWhat: add alert rules for `auth_cache_unavailable_total` (rate over 1m above a threshold) and the stale-write-dropped counter (any sustained rate). Why: D10 trades correctness risk for load risk; load risk is only safe if it is visible. Context: metrics are emitted by AuthCache after this change; thresholds depend on IDP rate limits, which live outside this repo. Start in the observability config, not app code. Depends on: this PR merged. Effort: S. Priority: P1.\nStakes if we pick wrong: Without the alert, the first sign of a cache outage is the IDP throttling every tenant's login.\nRecommendation: A because the alert lives in ops config the PR cannot touch, so it needs its own tracked item. Plan mode blocks TODOS.md writes now; added on exit if you pick A.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: an alert someone owns vs. a dashboard someone might look at.",
|
||||
"header": "TODO 2",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "\u2705 Thresholds get set by whoever knows the IDP rate limits, with the metric names already written down\n\u2705 Closes the loop on D10's load-risk tradeoff\n\u274c Sits in TODOS.md until someone with ops access picks it up"
|
||||
},
|
||||
{
|
||||
"label": "Skip \u2014 not valuable enough",
|
||||
"description": "\u2705 No TODOS.md entry\n\u2705 Fine if the team already auto-alerts on every new counter\n\u274c Cache outage surfaces as IDP throttling, not as a cache alert"
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR",
|
||||
"description": "\u2705 Alert ships with the metric\n\u2705 No follow-up to track\n\u274c Alert rules likely live in a different repo/config; thresholds need IDP rate-limit numbers not in this plan"
|
||||
}
|
||||
]
|
||||
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|
||||
],
|
||||
"answered": true,
|
||||
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|
||||
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|
||||
"D15 \u2014 TODO: \"Alert on auth_cache_unavailable_total and dropped stale writes\"\nProject/branch/task: main; PLAN.md Multi-tenant Auth Refactor; follow-up created by D6 (dropped-write metric) and D10 (cache fallthrough metric).\nELI10: Two decisions made failures loud through metrics instead of errors: a cache outage falls through to the IDP (D10), and a mint that loses to a revocation is dropped (D6). A metric nobody alerts on is a log line nobody reads. This TODO wires alert thresholds so a cache outage or a burst of dropped writes pages someone before the IDP rate-limits you.\n\nWhat: add alert rules for `auth_cache_unavailable_total` (rate over 1m above a threshold) and the stale-write-dropped counter (any sustained rate). Why: D10 trades correctness risk for load risk; load risk is only safe if it is visible. Context: metrics are emitted by AuthCache after this change; thresholds depend on IDP rate limits, which live outside this repo. Start in the observability config, not app code. Depends on: this PR merged. Effort: S. Priority: P1.\nStakes if we pick wrong: Without the alert, the first sign of a cache outage is the IDP throttling every tenant's login.\nRecommendation: A because the alert lives in ops config the PR cannot touch, so it needs its own tracked item. Plan mode blocks TODOS.md writes now; added on exit if you pick A.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: an alert someone owns vs. a dashboard someone might look at.": "Add to TODOS.md (recommended)"
|
||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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||||
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|
||||
-315
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||||
"question": "D4 \u2014 Reduce scope to the classes the plan actually motivates, or proceed with all 4 new classes across 12 files?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Step 0 complexity gate.\nELI10: The plan adds four new classes but only explains two of them. AuthBroker and SessionMint are the new services, and AuthCache is a thin wrapper over a cache adapter you already have. TokenStore and RequestPolicy appear only in the file-count line (PLAN.md:35) with no job described. Every unexplained class is surface area that has to be tested, reviewed, and kept in sync with the existing adapter. The question is whether to build all four now or land the two motivated ones plus the facade and add the rest when a concrete need shows up.\nStakes if we pick wrong: Overbuild and you carry two classes nobody can explain in code review, with a real chance TokenStore duplicates the adapter's tenant-keyed storage. Underbuild and you come back for a second PR if TokenStore or RequestPolicy turn out to be load-bearing.\nRecommendation: A because the plan text gives TokenStore and RequestPolicy zero responsibilities, and the existing adapter already owns token storage and invalidation. Fewer moving parts, same stated goal, and the eng preference for engineered-enough over premature abstraction.\nCompleteness: A=9/10, B=10/10, C=6/10\nNet: three classes you can defend in review versus four where two are speculative.",
|
||||
"header": "Scope",
|
||||
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|
||||
"options": [
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||||
{
|
||||
"label": "A) Reduce: 3 classes, ~8 files (recommended)",
|
||||
"description": "\u2705 Keeps AuthBroker, SessionMint, and the AuthCache facade; defers TokenStore and RequestPolicy until the plan states what they do (human: ~3 days / CC: ~1 hr)\n\u2705 Removes the likely overlap between TokenStore and the existing tenant-keyed adapter before it is written\n\u274c If RequestPolicy is secretly required for multi-tenant routing, it lands in a follow-up PR instead of this one"
|
||||
},
|
||||
{
|
||||
"label": "B) Proceed as-is: 4 classes, 12 files",
|
||||
"description": "\u2705 Nothing deferred; whatever TokenStore and RequestPolicy were meant to do ships in one PR (human: ~5 days / CC: ~2 hr)\n\u2705 Single review cycle instead of two if the extra classes really are needed\n\u274c Two classes with no written responsibility, so reviewers and tests have nothing to check them against"
|
||||
},
|
||||
{
|
||||
"label": "C) Reduce further: drop AuthCache facade too",
|
||||
"description": "\u2705 Smallest possible diff; both services call the existing adapter directly (human: ~2 days / CC: ~45 min)\n\u2705 No new cache surface, so no facade drift from the adapter it wraps\n\u274c Both services must re-implement whatever service-facing shaping the facade was going to centralize, a DRY hit"
|
||||
}
|
||||
]
|
||||
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|
||||
],
|
||||
"answered": true,
|
||||
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|
||||
"answers": {
|
||||
"D4 \u2014 Reduce scope to the classes the plan actually motivates, or proceed with all 4 new classes across 12 files?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Step 0 complexity gate.\nELI10: The plan adds four new classes but only explains two of them. AuthBroker and SessionMint are the new services, and AuthCache is a thin wrapper over a cache adapter you already have. TokenStore and RequestPolicy appear only in the file-count line (PLAN.md:35) with no job described. Every unexplained class is surface area that has to be tested, reviewed, and kept in sync with the existing adapter. The question is whether to build all four now or land the two motivated ones plus the facade and add the rest when a concrete need shows up.\nStakes if we pick wrong: Overbuild and you carry two classes nobody can explain in code review, with a real chance TokenStore duplicates the adapter's tenant-keyed storage. Underbuild and you come back for a second PR if TokenStore or RequestPolicy turn out to be load-bearing.\nRecommendation: A because the plan text gives TokenStore and RequestPolicy zero responsibilities, and the existing adapter already owns token storage and invalidation. Fewer moving parts, same stated goal, and the eng preference for engineered-enough over premature abstraction.\nCompleteness: A=9/10, B=10/10, C=6/10\nNet: three classes you can defend in review versus four where two are speculative.": "A) Reduce: 3 classes, ~8 files (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-10T04:20:14.567Z"
|
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||||
"question": "D5 \u2014 Issue 1 [P1] (confidence 8/10) PLAN.md:19-20 \u2014 AuthBroker and SessionMint share a module-level mutable AuthCache and both write to it. How should the shared cache be wired?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Section 1 Architecture.\nELI10: Right now the plan exports one cache object from a module and has two services reach for it and change it. That means nobody owns it: test files stomp on each other's cache state, two writers can interleave on the same tenant key with no coordination (PLAN.md:10 says the adapter does not serialize mutations), and a future third caller can mutate it from anywhere without a reviewer noticing. Passing the cache into each service's constructor from one composition point keeps a single instance in production while making every dependency visible and every test isolated.\nStakes if we pick wrong: Keep the global and a SessionMint write racing an AuthBroker revocation can leave a revoked token cached for a suspended tenant, a cross-tenant security incident that no unit test can reproduce because the tests share the same global.\nRecommendation: A because it is Layer 1 practice for Node.js services, costs a constructor parameter per service, and satisfies explicit-over-clever. It also makes the write-ownership rule enforceable in code.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: one composition root and two constructor parameters versus an invisible global that every test and every future caller can corrupt.",
|
||||
"header": "Issue 1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A) Inject + single writer (recommended)",
|
||||
"description": "\u2705 AuthCache passed by constructor from one composition root; AuthBroker is the only writer, SessionMint reads and requests invalidation through AuthBroker, so there is no two-writer race by construction (human: ~4 hr / CC: ~20 min)\n\u2705 Tests construct a fresh in-memory adapter per case; no cross-test leakage and the concurrency claim is testable with an interleaving test\n\u274c SessionMint gains a dependency on AuthBroker (or a narrow invalidation interface) rather than on the cache directly"
|
||||
},
|
||||
{
|
||||
"label": "1B) Inject, keep two writers",
|
||||
"description": "\u2705 Constructor injection fixes test isolation and hidden coupling with the same cheap change (human: ~2 hr / CC: ~10 min)\n\u2705 Neither service needs to know about the other; both depend only on the AuthCache interface\n\u274c The unserialized two-writer race on a shared tenant key stays; you must document key-scoped idempotency and still cannot prove ordering"
|
||||
},
|
||||
{
|
||||
"label": "1C) Keep module-level global",
|
||||
"description": "\u2705 Zero plan changes and no constructor churn (human: 0 / CC: 0)\n\u2705 Matches whatever the current codebase already does for other shared modules\n\u274c Test isolation, hidden coupling, and the write race all stay; a revoked token surviving in cache is a silent cross-tenant failure"
|
||||
}
|
||||
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|
||||
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|
||||
],
|
||||
"answered": true,
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||||
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||||
"D5 \u2014 Issue 1 [P1] (confidence 8/10) PLAN.md:19-20 \u2014 AuthBroker and SessionMint share a module-level mutable AuthCache and both write to it. How should the shared cache be wired?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Section 1 Architecture.\nELI10: Right now the plan exports one cache object from a module and has two services reach for it and change it. That means nobody owns it: test files stomp on each other's cache state, two writers can interleave on the same tenant key with no coordination (PLAN.md:10 says the adapter does not serialize mutations), and a future third caller can mutate it from anywhere without a reviewer noticing. Passing the cache into each service's constructor from one composition point keeps a single instance in production while making every dependency visible and every test isolated.\nStakes if we pick wrong: Keep the global and a SessionMint write racing an AuthBroker revocation can leave a revoked token cached for a suspended tenant, a cross-tenant security incident that no unit test can reproduce because the tests share the same global.\nRecommendation: A because it is Layer 1 practice for Node.js services, costs a constructor parameter per service, and satisfies explicit-over-clever. It also makes the write-ownership rule enforceable in code.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: one composition root and two constructor parameters versus an invisible global that every test and every future caller can corrupt.": "1A) Inject + single writer (recommended)"
|
||||
},
|
||||
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"answeredAt": "2026-09-10T04:20:48.675Z"
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"question": "D7 \u2014 Issue 3 [P1] (confidence 8/10) PLAN.md:23-24 \u2014 validateAndDispatch() is 60 lines with three nested try/catch blocks and each catch swallows a different error class. How should error handling be restructured?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Section 2 Code Quality.\nELI10: Three nested try/catch blocks that each swallow an error mean a failed token check, a failed policy lookup, or a failed dispatch can all turn into 'nothing happened'. In auth, a swallowed error is the worst outcome: the user either gets silently denied with no reason or, worse, falls through to a code path that treats missing data as valid. Splitting the function into three named steps with one error boundary that maps each error class to an explicit outcome (deny with reason, retry, or rethrow) makes every failure visible and every branch testable.\nStakes if we pick wrong: A swallowed IDP error on a revocation check can let a revoked session through; a swallowed policy error can deny a whole tenant with no log line to debug from.\nRecommendation: A because swallowing is never acceptable in an auth path, and three small pure functions plus one boundary is both DRY and explicit. Each error class then has exactly one place where its handling is decided.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: three 15-line functions with one visible error map versus one 60-line function that can fail silently three different ways.",
|
||||
"header": "Issue 3",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3A) Decompose + single error boundary (recommended)",
|
||||
"description": "\u2705 Split into validateToken, resolvePolicy, dispatch; one outer boundary maps TokenError, PolicyError, DispatchError to explicit deny/retry/rethrow with a log line and metric each (human: ~4 hr / CC: ~20 min)\n\u2705 Each step is unit-testable alone and the error map is one table-driven test; no error class can be silently dropped\n\u274c Touches the dispatch entry point that the per-tenant flag from Issue 2 also lives in, so sequence this refactor first"
|
||||
},
|
||||
{
|
||||
"label": "3B) Keep shape, log in each catch",
|
||||
"description": "\u2705 Minimal diff; add a structured log and metric inside each existing catch (human: ~1 hr / CC: ~5 min)\n\u2705 Failures become visible in logs without changing control flow\n\u274c Still three nested blocks in one 60-line function; swallow-then-continue semantics remain and are still hard to test per branch"
|
||||
},
|
||||
{
|
||||
"label": "3C) Leave as-is",
|
||||
"description": "\u2705 No change to a function that presumably works today (human: 0 / CC: 0)\n\u2705 No risk of altering control flow in the dispatch path\n\u274c Three silent failure modes in the auth path persist and the new AuthBroker path inherits them"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
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|
||||
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||||
"D7 \u2014 Issue 3 [P1] (confidence 8/10) PLAN.md:23-24 \u2014 validateAndDispatch() is 60 lines with three nested try/catch blocks and each catch swallows a different error class. How should error handling be restructured?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Section 2 Code Quality.\nELI10: Three nested try/catch blocks that each swallow an error mean a failed token check, a failed policy lookup, or a failed dispatch can all turn into 'nothing happened'. In auth, a swallowed error is the worst outcome: the user either gets silently denied with no reason or, worse, falls through to a code path that treats missing data as valid. Splitting the function into three named steps with one error boundary that maps each error class to an explicit outcome (deny with reason, retry, or rethrow) makes every failure visible and every branch testable.\nStakes if we pick wrong: A swallowed IDP error on a revocation check can let a revoked session through; a swallowed policy error can deny a whole tenant with no log line to debug from.\nRecommendation: A because swallowing is never acceptable in an auth path, and three small pure functions plus one boundary is both DRY and explicit. Each error class then has exactly one place where its handling is decided.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: three 15-line functions with one visible error map versus one 60-line function that can fail silently three different ways.": "3A) Decompose + single error boundary (recommended)"
|
||||
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|
||||
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"answeredAt": "2026-09-10T04:21:36.850Z"
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||||
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||||
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||||
"question": "D9 \u2014 Issue 5 [P2] (confidence 8/10) PLAN.md:31-32 \u2014 Token validation makes 5 sequential IDP calls; the plan says 'Promise.all trivially'. How should the parallelization be done?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Section 4 Performance.\nELI10: Five calls in a row means login latency is the sum of five network round trips. Running them at once cuts that to the slowest single call. But 'just wrap in Promise.all' is not the whole story: Promise.all rejects on the first failure and leaves the other four requests running in the background, and none of the calls has a timeout today. For auth, fail-fast is correct (all five checks must pass), so Promise.all is the right primitive, but each call needs a timeout and the losers need to be cancelled so a slow IDP does not pile up open connections under load.\nStakes if we pick wrong: Bare Promise.all with no timeout means one hung IDP endpoint hangs every login indefinitely; allSettled would let a login proceed with a failed check unless you add aggregation logic that fail-fast already gives you.\nRecommendation: A because all five checks are required for a valid token, so fail-fast semantics match the domain, and adding an AbortController plus per-call timeout is a few lines that turns a latency win into a resilience win too.\nCompleteness: A=10/10, B=7/10, C=6/10\nNet: parallel with cancellation and timeouts versus parallel with dangling requests and no upper bound on login time.",
|
||||
"header": "Issue 5",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "5A) Promise.all + shared AbortController + per-call timeout (recommended)",
|
||||
"description": "\u2705 All five run in parallel, first failure aborts the rest, every call bounded by a timeout mapped to TokenError for the Issue 3 error boundary (human: ~3 hr / CC: ~15 min)\n\u2705 Login latency drops from sum-of-five to max-of-one and a hung IDP degrades to a clear timeout instead of a hang\n\u274c Requires the IDP client to accept an abort signal; if it does not, wrap it once in a small adapter"
|
||||
},
|
||||
{
|
||||
"label": "5B) Bare Promise.all as planned",
|
||||
"description": "\u2705 One-line change that gets the full latency win (human: ~30 min / CC: ~2 min)\n\u2705 Fail-fast semantics already match 'all checks must pass'\n\u274c No timeout and no cancellation: a slow IDP hangs login and losing requests keep running after the first rejection"
|
||||
},
|
||||
{
|
||||
"label": "5C) Promise.allSettled + aggregate",
|
||||
"description": "\u2705 Every call completes so you get a full picture of which checks failed for diagnostics (human: ~2 hr / CC: ~10 min)\n\u2705 No dangling requests since all settle before you proceed\n\u274c Login waits for the slowest call even when the first one already failed; you re-implement fail-fast by hand in the aggregation"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 \u2014 Issue 5 [P2] (confidence 8/10) PLAN.md:31-32 \u2014 Token validation makes 5 sequential IDP calls; the plan says 'Promise.all trivially'. How should the parallelization be done?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Section 4 Performance.\nELI10: Five calls in a row means login latency is the sum of five network round trips. Running them at once cuts that to the slowest single call. But 'just wrap in Promise.all' is not the whole story: Promise.all rejects on the first failure and leaves the other four requests running in the background, and none of the calls has a timeout today. For auth, fail-fast is correct (all five checks must pass), so Promise.all is the right primitive, but each call needs a timeout and the losers need to be cancelled so a slow IDP does not pile up open connections under load.\nStakes if we pick wrong: Bare Promise.all with no timeout means one hung IDP endpoint hangs every login indefinitely; allSettled would let a login proceed with a failed check unless you add aggregation logic that fail-fast already gives you.\nRecommendation: A because all five checks are required for a valid token, so fail-fast semantics match the domain, and adding an AbortController plus per-call timeout is a few lines that turns a latency win into a resilience win too.\nCompleteness: A=10/10, B=7/10, C=6/10\nNet: parallel with cancellation and timeouts versus parallel with dangling requests and no upper bound on login time.": "5A) Promise.all + shared AbortController + per-call timeout (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-10T04:23:03.192Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": []
|
||||
},
|
||||
"mandatory": "`legacyAuthFlow()` is existing behavior being modified, and PLAN.md:14-16\nstates no test asserts compatibility with its prior behavior. A\n**characterization test suite** for `legacyAuthFlow()` is added as a critical\nrequirement: capture current response shape, headers, cookies, cache effects,\nand error responses for valid, expired, revoked, wrong-audience, wrong-issuer,\nand suspended-tenant inputs. This suite runs against the flag-OFF path and is\nthe oracle the new path is compared to during rollout.",
|
||||
"task": "- [ ] **T4 (P1, human: ~1d / CC: ~30min)** \u2014 auth/legacy tests \u2014 **CRITICAL regression:** characterization suite for `legacyAuthFlow()` prior behavior\n - Surfaced by: Test review regression rule \u2014 PLAN.md:27-28, 14-16 no regression test for rewritten legacy flow\n - Files: auth/__tests__/legacyAuthFlow.characterization.test\n - Verify: suite green against flag-OFF path before and after refactor",
|
||||
"verification": "1. Run the characterization suite (T4) against the untouched `legacyAuthFlow()` first and commit it green. This is the baseline.",
|
||||
"reviewReport": "## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | \u2014 | \u2014 |\n| Outside Review | codex via `/plan-eng-review` | Independent 2nd opinion | 1 | disabled | codex_reviews=disabled; no outside coverage |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean | 28 issues (5 findings + 23 test gaps), 0 critical gaps, SCOPE_REDUCED |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | \u2014 | \u2014 |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | \u2014 | \u2014 |\n\n**OUTSIDE COVERAGE:** provider codex, phase plan-review, status disabled (user config `codex_reviews=disabled`), no findings. Native review only; no outside model coverage. Re-enable with `gstack-config set codex_reviews enabled`.\n\n**VERDICT:** ENG CLEARED \u2014 ready to implement. Backend-only auth change, no UI scope; design review not applicable. CEO review optional (refactor, not a product change).\n\nNO UNRESOLVED DECISIONS\n",
|
||||
"retry": {
|
||||
"provenance": {
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||||
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|
||||
"observationSha256": "653ec66de6e2a7feb2c86b3ba15c411d9bc3b7be84a0171085b8a5baa620cde5",
|
||||
"reportSource": "Exact observer-retained public Write159 / successful acknowledgment165; native/report temporary files cleaned",
|
||||
"projection": "Four exact completed calls and two exact noncontiguous report blocks plus final report; narration omitted",
|
||||
"window": {
|
||||
"start": 1789014617709,
|
||||
"end": 1789015182938,
|
||||
"note": "Conservative retained-call interval; original caller start not retained"
|
||||
},
|
||||
"actualOutcome": "plan_ready",
|
||||
"actualFailure": "mandatory legacy regression coverage absent",
|
||||
"retrospectivePass": false
|
||||
},
|
||||
"transcript": {
|
||||
"status": "ready",
|
||||
"calls": [
|
||||
{
|
||||
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 \u2014 Complexity check triggered: 4 new classes across 12 files. Reduce scope or proceed as-is?\nProject/branch/task: main branch, PLAN.md Multi-tenant Auth Refactor, Step 0 scope gate.\nELI10: The plan adds four new classes (TokenStore, SessionMint, AuthCache, RequestPolicy) plus AuthBroker, touching 12 files (PLAN.md:35-36). The existing cache adapter already stores tokens keyed by tenant, evicts, and invalidates (PLAN.md:7-13), so TokenStore looks like a second token store next to the first. RequestPolicy has no stated behavior beyond a policy decision, which is usually typed config plus one pure function, not a class. Every extra class is a second place a 3am on-call engineer has to look when a tenant's token is stale.\nStakes if we pick wrong: over-build means two token stores that can disagree on validity; under-build means we cut a class that had a real reason to exist that the plan did not state.\nRecommendation: A because the adapter already owns token storage and the plan gives TokenStore and RequestPolicy no responsibility that justifies a class; AuthBroker, SessionMint, and AuthCache-as-injected-seam carry the actual goal.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: fewer moving parts and one source of truth for tokens vs keeping the plan's original decomposition.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Reduce: cut TokenStore + RequestPolicy class (recommended)",
|
||||
"description": "(human: ~1 day less / CC: ~10 min less) \u2705 One token store: the existing adapter behind AuthCache; no second cache that can disagree on validity. \u2705 RequestPolicy becomes a typed config object plus a pure evaluate() function, trivially unit-testable. \u2705 Drops to 2-3 new classes and roughly 8-9 files. \u274c If TokenStore held state the adapter cannot (e.g. refresh-token secrets), that need must be re-stated and re-planned."
|
||||
},
|
||||
{
|
||||
"label": "Proceed as-is with 4 classes",
|
||||
"description": "(human: ~3 days / CC: ~45 min) \u2705 Keeps whatever unstated reasons the author had for each class. \u2705 No re-planning before the review continues. \u274c Two token-holding components (adapter + TokenStore) and a class for what is likely config; more surface for the tests and the on-call engineer."
|
||||
},
|
||||
{
|
||||
"label": "Reduce further: also drop AuthCache facade",
|
||||
"description": "(human: ~1.5 days less / CC: ~15 min less) \u2705 Services inject the existing adapter directly; smallest possible diff, one fewer indirection. \u2705 Existing adapter tests already cover the store the services talk to. \u274c Loses the seam where tenant-scoped or service-facing helpers would live; if the adapter API is wide, both services re-implement the same wrapping (DRY hit)."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 \u2014 Complexity check triggered: 4 new classes across 12 files. Reduce scope or proceed as-is?\nProject/branch/task: main branch, PLAN.md Multi-tenant Auth Refactor, Step 0 scope gate.\nELI10: The plan adds four new classes (TokenStore, SessionMint, AuthCache, RequestPolicy) plus AuthBroker, touching 12 files (PLAN.md:35-36). The existing cache adapter already stores tokens keyed by tenant, evicts, and invalidates (PLAN.md:7-13), so TokenStore looks like a second token store next to the first. RequestPolicy has no stated behavior beyond a policy decision, which is usually typed config plus one pure function, not a class. Every extra class is a second place a 3am on-call engineer has to look when a tenant's token is stale.\nStakes if we pick wrong: over-build means two token stores that can disagree on validity; under-build means we cut a class that had a real reason to exist that the plan did not state.\nRecommendation: A because the adapter already owns token storage and the plan gives TokenStore and RequestPolicy no responsibility that justifies a class; AuthBroker, SessionMint, and AuthCache-as-injected-seam carry the actual goal.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: fewer moving parts and one source of truth for tokens vs keeping the plan's original decomposition.": "Reduce: cut TokenStore + RequestPolicy class (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T04:32:24.356Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "46259e9c-41ce-49a9-9835-e58c2127bafd",
|
||||
"toolUseId": "toolu_01HQ688pYVMztonScLEhZTDR",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 \u2014 Issue 1: AuthBroker and SessionMint both mutate a module-level global AuthCache with no serialization. How should the cache be owned?\nProject/branch/task: main branch, PLAN.md Multi-tenant Auth Refactor, Architecture review.\nELI10: Both new services import the same cache object from a module and write to it (PLAN.md:19-20), and the plan says nothing serializes those writes (PLAN.md:10). Two writers on one shared object is how a token minted for tenant A lands under tenant B's key, or a revocation gets overwritten by a stale mint a few milliseconds later. A module-level global also means tests share state across files and you cannot swap in a fake without hacking the module cache.\nStakes if we pick wrong: cross-tenant token leakage or a revoked session staying valid, which in auth is a security incident, not a bug.\nRecommendation: 1A because a single writer plus constructor injection removes the race by design instead of by lock, matches your explicit-over-clever and well-tested preferences, and costs minutes with CC.\nCompleteness: A=10/10, B=7/10, C=2/10\nNet: eliminate the race structurally vs paper over it with a lock vs accept a latent auth race.",
|
||||
"header": "Issue 1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A: Inject AuthCache; AuthBroker sole writer (recommended)",
|
||||
"description": "(human: ~1 day / CC: ~15 min) Completeness 10/10. \u2705 One writer: SessionMint returns a minted session and AuthBroker commits it via one write-through method (putIfAbsent / compare-and-set on tenant key + policy version). \u2705 Constructor injection from one composition root makes every test a fresh instance with a fake adapter; no module-cache hacks. \u2705 Contract test proves two concurrent mints for the same tenant key yield exactly one cache entry. \u274c SessionMint's public shape changes from 'mutate cache' to 'return value', so its callers need the broker in the loop."
|
||||
},
|
||||
{
|
||||
"label": "1B: Keep module export, add per-tenant-key mutex",
|
||||
"description": "(human: ~half day / CC: ~10 min) Completeness 7/10. \u2705 Smallest change to the plan's current shape; both services keep writing. \u2705 Serializes writes per tenant key so revoke-then-mint ordering is preserved. \u274c Lock is a runtime guard, not a design boundary; a third writer added later is one forgotten import away from the same race. \u274c Global still leaks state across tests and hides the dependency."
|
||||
},
|
||||
{
|
||||
"label": "1C: Do nothing, keep as planned",
|
||||
"description": "(human: 0 / CC: 0) Completeness 2/10. \u2705 No change to the plan or its file count. \u2705 If the runtime is truly single-threaded and every write is synchronous, the race window may be tiny. \u274c 'Tiny' is not 'zero' across await points in token validation, and the plan already says mutations are not serialized."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 \u2014 Issue 1: AuthBroker and SessionMint both mutate a module-level global AuthCache with no serialization. How should the cache be owned?\nProject/branch/task: main branch, PLAN.md Multi-tenant Auth Refactor, Architecture review.\nELI10: Both new services import the same cache object from a module and write to it (PLAN.md:19-20), and the plan says nothing serializes those writes (PLAN.md:10). Two writers on one shared object is how a token minted for tenant A lands under tenant B's key, or a revocation gets overwritten by a stale mint a few milliseconds later. A module-level global also means tests share state across files and you cannot swap in a fake without hacking the module cache.\nStakes if we pick wrong: cross-tenant token leakage or a revoked session staying valid, which in auth is a security incident, not a bug.\nRecommendation: 1A because a single writer plus constructor injection removes the race by design instead of by lock, matches your explicit-over-clever and well-tested preferences, and costs minutes with CC.\nCompleteness: A=10/10, B=7/10, C=2/10\nNet: eliminate the race structurally vs paper over it with a lock vs accept a latent auth race.": "1A: Inject AuthCache; AuthBroker sole writer (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T04:33:18.686Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "46259e9c-41ce-49a9-9835-e58c2127bafd",
|
||||
"toolUseId": "toolu_01M4AHaLz6DYBcwq4aY2QLDv",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 \u2014 Issue 3: validateAndDispatch() nests three try/catch blocks that each swallow an error class. How should it be restructured?\nProject/branch/task: main branch, PLAN.md Multi-tenant Auth Refactor, Code quality review.\nELI10: One 60-line function does validation and dispatch with three nested try/catch blocks, and each catch swallows a different error class (PLAN.md:23-24). Swallowing means the function keeps going as if nothing failed. In an auth path that can mean a token that failed a check still gets dispatched, and the only trace is a log line nobody reads. Splitting it into small stages with one explicit result type makes every failure visible, typed, and testable.\nStakes if we pick wrong: silent auth failures that look like success from the outside, and a function nobody wants to touch.\nRecommendation: 3A because explicit typed outcomes beat clever catch-and-continue, each stage becomes a pure unit with its own tests, and it is a 15-minute job with CC.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: explicit failure surface and testable stages vs a smaller edit that keeps the swallowing shape.",
|
||||
"header": "Issue 3",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3A: Split into stages, one typed error boundary (recommended)",
|
||||
"description": "(human: ~half day / CC: ~15 min) Completeness 10/10. \u2705 validateToken(), resolvePolicy(), dispatch() as separate functions, each returning a typed Result (ok | AuthError subtype) instead of throwing into a swallowing catch. \u2705 One boundary at the top maps every AuthError to an explicit response or rethrow with tenant context; nothing is swallowed. \u2705 Each stage gets a test per success and per error class; 3 error classes = at least 3 negative tests. \u274c More small functions and a Result type; slightly larger diff than an in-place patch."
|
||||
},
|
||||
{
|
||||
"label": "3B: Keep one function, stop swallowing",
|
||||
"description": "(human: ~1 hour / CC: ~5 min) Completeness 6/10. \u2705 Minimal diff: each catch rethrows a typed AuthError with context instead of swallowing. \u2705 No new types or file moves. \u274c Still 60 lines with three nesting levels; hard to test each branch in isolation. \u274c The next person adding a fourth check will add a fourth nested try/catch."
|
||||
},
|
||||
{
|
||||
"label": "3C: Leave as-is",
|
||||
"description": "(human: 0 / CC: 0) Completeness 2/10. \u2705 Zero risk of breaking whatever the swallowing currently hides. \u2705 No effort. \u274c Auth failures stay silent; the plan itself calls this out as a smell and the refactor is the natural moment to fix it."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 \u2014 Issue 3: validateAndDispatch() nests three try/catch blocks that each swallow an error class. How should it be restructured?\nProject/branch/task: main branch, PLAN.md Multi-tenant Auth Refactor, Code quality review.\nELI10: One 60-line function does validation and dispatch with three nested try/catch blocks, and each catch swallows a different error class (PLAN.md:23-24). Swallowing means the function keeps going as if nothing failed. In an auth path that can mean a token that failed a check still gets dispatched, and the only trace is a log line nobody reads. Splitting it into small stages with one explicit result type makes every failure visible, typed, and testable.\nStakes if we pick wrong: silent auth failures that look like success from the outside, and a function nobody wants to touch.\nRecommendation: 3A because explicit typed outcomes beat clever catch-and-continue, each stage becomes a pure unit with its own tests, and it is a 15-minute job with CC.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: explicit failure surface and testable stages vs a smaller edit that keeps the swallowing shape.": "3A: Split into stages, one typed error boundary (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T04:34:09.004Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "46259e9c-41ce-49a9-9835-e58c2127bafd",
|
||||
"toolUseId": "toolu_01C6LEfWUSZynnZvSJvjvCXb",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 \u2014 Issue 5: Token validation makes 5 sequential IDP calls. How should they be parallelized, and what happens when one fails?\nProject/branch/task: main branch, PLAN.md Multi-tenant Auth Refactor, Performance review.\nELI10: Every login waits for five identity-provider round trips one after another (PLAN.md:31-32). Running them at once cuts that wait to roughly the slowest single call. The catch is failure semantics: Promise.all rejects on the first failure but leaves the other four requests running, and you need to decide whether a partial result is ever usable for validation. For auth it is not: every check must pass, so fail-fast is correct, but the in-flight calls should be cancelled and the failure typed so it lands in the Issue 3 error boundary instead of a swallowed catch.\nStakes if we pick wrong: either users wait 5x longer than needed, or a partial failure produces a confusing aggregate error and orphaned requests hammer the IDP during an outage.\nRecommendation: 5A because validation needs all five results, fail-fast is the right semantics, and adding an AbortController plus one shared timeout is a few lines that also protect the IDP when it is degraded.\nCompleteness: A=10/10, B=8/10, C=1/10\nNet: fast, bounded, cancellable validation vs bare Promise.all vs the current 5x latency.",
|
||||
"header": "Issue 5",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "5A: Promise.all + AbortController + shared timeout, typed failure (recommended)",
|
||||
"description": "(human: ~half day / CC: ~10 min) Completeness 10/10. \u2705 Latency drops from sum-of-five to max-of-one on the login hot path. \u2705 First failure aborts the other four via one AbortSignal and surfaces as a typed IdpValidationError with which check failed, feeding the Issue 3 boundary. \u2705 Tests: all succeed, one rejects (others aborted), one times out, IDP 5xx. \u274c Slightly more code than a one-line Promise.all; needs the IDP client to accept an AbortSignal."
|
||||
},
|
||||
{
|
||||
"label": "5B: Bare Promise.all",
|
||||
"description": "(human: ~30 min / CC: ~3 min) Completeness 8/10. \u2705 Same latency win with a one-line change. \u2705 Fail-fast semantics match 'all checks must pass'. \u274c Remaining four requests keep running after the first rejection; during an IDP incident that multiplies load on a struggling dependency. \u274c No shared deadline, so one hung call hangs the login."
|
||||
},
|
||||
{
|
||||
"label": "5C: Leave sequential",
|
||||
"description": "(human: 0 / CC: 0) Completeness 1/10. \u2705 Simplest possible control flow and error attribution. \u2705 Lowest instantaneous load on the IDP. \u274c Users pay five round trips on every login; the plan itself calls the calls independent."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 \u2014 Issue 5: Token validation makes 5 sequential IDP calls. How should they be parallelized, and what happens when one fails?\nProject/branch/task: main branch, PLAN.md Multi-tenant Auth Refactor, Performance review.\nELI10: Every login waits for five identity-provider round trips one after another (PLAN.md:31-32). Running them at once cuts that wait to roughly the slowest single call. The catch is failure semantics: Promise.all rejects on the first failure but leaves the other four requests running, and you need to decide whether a partial result is ever usable for validation. For auth it is not: every check must pass, so fail-fast is correct, but the in-flight calls should be cancelled and the failure typed so it lands in the Issue 3 error boundary instead of a swallowed catch.\nStakes if we pick wrong: either users wait 5x longer than needed, or a partial failure produces a confusing aggregate error and orphaned requests hammer the IDP during an outage.\nRecommendation: 5A because validation needs all five results, fail-fast is the right semantics, and adding an AbortController plus one shared timeout is a few lines that also protect the IDP when it is degraded.\nCompleteness: A=10/10, B=8/10, C=1/10\nNet: fast, bounded, cancellable validation vs bare Promise.all vs the current 5x latency.": "5A: Promise.all + AbortController + shared timeout, typed failure (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T04:35:15.424Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": []
|
||||
},
|
||||
"heading": "### CRITICAL: regression contract test for legacyAuthFlow() (iron rule, no decision needed)",
|
||||
"mandatory": "The rewrite modifies existing behavior with no covering test (PLAN.md:27-28). Add\n`src/auth/authFlow.contract.test.ts`: a fixture table of (tenant, token, policy) cases\ncovering valid token, expired token, wrong audience, wrong issuer, policy deny, revoked token,\nsuspended tenant. Run each fixture through `legacyAuthFlow()` and `AuthBroker.authenticate()`\nand assert identical `Session` shape on success and identical error code on failure. This test\nis also the gate for flipping any tenant's flag and for TODO 1 removal.",
|
||||
"task": "- [ ] **T4 (P1, human: ~half day / CC: ~15 min)** \u2014 Tests \u2014 CRITICAL regression contract test: same fixtures through legacyAuthFlow() and AuthBroker, identical Session / error codes\n - Surfaced by: Test review \u2014 iron regression rule, PLAN.md:27-28\n - Files: src/auth/authFlow.contract.test.ts\n - Verify: contract suite green on both paths",
|
||||
"reviewReport": "## GSTACK REVIEW REPORT\n\n### Suppressed findings (confidence < 7)\n\n- `[P3] (confidence: 5/10) PLAN.md:31-32` \u2014 Some of the five IDP calls may fetch cacheable issuer metadata (discovery/JWKS). Unverifiable without the IDP client; captured as TODO 2 rather than a finding.\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | \u2014 | \u2014 |\n| Outside Review | codex via `/plan-eng-review` (host: claude) | Independent 2nd opinion | 1 | disabled | outside_status: disabled, phase: plan-review, no findings (not run) |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (PLAN) | 5 issues, 0 critical gaps |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | \u2014 | \u2014 |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | \u2014 | \u2014 |\n\n**OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (codex_reviews=disabled), no native fallback dispatched, no findings. Missing outside coverage is not counted as clean.\n\n**VERDICT:** ENG CLEARED \u2014 ready to implement (eng review clean; CEO/Design/DX not run, optional for a backend auth refactor).\n\nNO UNRESOLVED DECISIONS\n",
|
||||
"legacyHeading": "### Issue 2 (D6, chose 2A): Per-tenant flag routes legacy vs AuthBroker",
|
||||
"legacy": "PLAN.md:27-28 rewrote `legacyAuthFlow()` in place with no rollback path. Auth is the one\npath where a bad deploy locks every tenant out, so the cutover is a strangler fig:\n\n- A tenant-keyed flag `auth.useBroker[tenantId]` (default off) selects the path at the\n login entry point. `legacyAuthFlow()` stays callable and unchanged this release.\n- Rollout: one internal tenant, soak one release, widen. Rollback is a config flip.\n- Removal of the legacy path and the flag is TODO 1 below, triggered by 100% of tenants on\n the new path for one release."
|
||||
}
|
||||
}
|
||||
-152
@@ -1,152 +0,0 @@
|
||||
{
|
||||
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|
||||
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||||
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||||
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||||
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|
||||
"end": 1789023257841
|
||||
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|
||||
"historicalPaidFailurePreserved": true,
|
||||
"limitation": "The original caller start timestamp was not retained; replay uses the conservative inclusive interval of exact completed owned calls. No live completion or paid pass is credited."
|
||||
},
|
||||
"transcript": {
|
||||
"status": "ready",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "e92fe932-2f66-48b1-94b7-e0601f44ac51",
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||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Step 0 scope challenge: reduce to two new services on the existing adapter, or proceed with all five new types?\nProject/branch/task: gstack-plan-count-EN8bNx on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: The plan adds AuthBroker, SessionMint, AuthCache, TokenStore, and RequestPolicy across 12 files (PLAN.md:19, :35-36). But PLAN.md:11-13 says AuthCache is only a facade over the existing cache adapter, which stays unchanged with one backing cache and its own tests. That means at least one new class exists to wrap something that already works. TokenStore and RequestPolicy are named but never described, so nobody can say what problem they solve. Every extra class here is another mutable surface in the auth path, the one place where a bug means users get logged out or, worse, see another tenant's session.\nStakes if we pick wrong: Too big means five new types to review, test, and keep coherent in the hottest security path. Too small means we defer a class the core goal actually needs and rebuild it in a follow-up.\nRecommendation: A because AuthBroker and SessionMint carry the real behavior; the existing adapter (PLAN.md:7-13) already keys by tenant/issuer/audience/policy version and already invalidates on logout/revocation/suspension, so it can be injected directly [Layer 1: reuse what is a few files over]. TokenStore and RequestPolicy get a one-line justification each or move to NOT in scope.\nCompleteness: A=9/10, B=9/10, C=7/10 (coverage of the stated goal is equal for A and B; C defers pieces without deciding).\nNet: fewer moving parts in the auth path versus keeping every named class in case it turns out to be needed.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Reduce: 2 services + existing adapter (recommended)",
|
||||
"description": "✅ AuthBroker and SessionMint take the existing cache adapter as a constructor dependency; no AuthCache facade, no module-level global (human: ~1 day less / CC: ~20 min less). ✅ TokenStore and RequestPolicy each need a stated purpose in the plan or go to NOT in scope, so no undocumented class ships in the auth path. ❌ If RequestPolicy is the reason the refactor exists, we spend a review round adding it back with its rationale."
|
||||
},
|
||||
{
|
||||
"label": "Proceed as-is: 5 new types, 12 files",
|
||||
"description": "✅ No rework of the plan's component list; whoever wrote it may already know why each class exists. ✅ Keeps a clean separation if TokenStore and RequestPolicy do carry distinct responsibilities. ❌ Five new types and 12 files in the auth path with two of them undescribed; review and test surface roughly doubles for the same goal."
|
||||
},
|
||||
{
|
||||
"label": "Reduce and defer TokenStore/RequestPolicy to a follow-up",
|
||||
"description": "✅ Ships the two services now and parks the two unexplained classes as TODOs with context (human: ~2 days / CC: ~30 min). ✅ Smallest first diff, lowest blast radius for the first landing. ❌ Defers the decision rather than making it; if RequestPolicy is load-bearing, the first landing is incomplete."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Step 0 scope challenge: reduce to two new services on the existing adapter, or proceed with all five new types?\nProject/branch/task: gstack-plan-count-EN8bNx on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: The plan adds AuthBroker, SessionMint, AuthCache, TokenStore, and RequestPolicy across 12 files (PLAN.md:19, :35-36). But PLAN.md:11-13 says AuthCache is only a facade over the existing cache adapter, which stays unchanged with one backing cache and its own tests. That means at least one new class exists to wrap something that already works. TokenStore and RequestPolicy are named but never described, so nobody can say what problem they solve. Every extra class here is another mutable surface in the auth path, the one place where a bug means users get logged out or, worse, see another tenant's session.\nStakes if we pick wrong: Too big means five new types to review, test, and keep coherent in the hottest security path. Too small means we defer a class the core goal actually needs and rebuild it in a follow-up.\nRecommendation: A because AuthBroker and SessionMint carry the real behavior; the existing adapter (PLAN.md:7-13) already keys by tenant/issuer/audience/policy version and already invalidates on logout/revocation/suspension, so it can be injected directly [Layer 1: reuse what is a few files over]. TokenStore and RequestPolicy get a one-line justification each or move to NOT in scope.\nCompleteness: A=9/10, B=9/10, C=7/10 (coverage of the stated goal is equal for A and B; C defers pieces without deciding).\nNet: fewer moving parts in the auth path versus keeping every named class in case it turns out to be needed.": "Reduce: 2 services + existing adapter (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T06:48:44.050Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "e92fe932-2f66-48b1-94b7-e0601f44ac51",
|
||||
"toolUseId": "toolu_01GQN7GojZ1BDMneXoASuHKe",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — Issue 1 [P1] (confidence 8/10) PLAN.md:19-20 + :10 — two writers on one cache with no mutation ordering. Who owns writes?\nProject/branch/task: gstack-plan-count-EN8bNx on main, PLAN.md Multi-tenant Auth Refactor, Architecture section.\nELI10: PLAN.md:19-20 says AuthBroker and SessionMint 'both mutate' the shared cache, and PLAN.md:10 admits the cache rules 'do not serialize mutations'. D3 already replaced the module-level global with constructor injection, but injection does not fix ordering. Picture it: a tenant gets suspended, the adapter's invalidation hook wipes their entries, and 5ms later SessionMint finishes an in-flight mint and writes a fresh session for that suspended tenant. The user keeps a valid session after suspension. Nobody sees an error; the cache just quietly holds a session that should not exist.\nStakes if we pick wrong: A suspended or logged-out tenant keeps a live session. That is a silent security failure in the exact path this refactor exists to harden.\nRecommendation: A because a single writer plus a version check is the explicit, boring fix; it maps to your 'explicit over clever' and 'handle more edge cases' preferences and costs minutes with CC.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: one clear write path with a re-check on commit, versus trusting two services to never race the invalidation hooks.",
|
||||
"header": "Issue 1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A: Single writer + invalidation-version check (recommended)",
|
||||
"description": "✅ SessionMint is the only service that writes session entries; AuthBroker reads and asks SessionMint to mint. Each write re-reads the tenant's invalidation version (or suspension flag) from the adapter right before commit and aborts if it moved. Tests: mint-during-suspend, mint-during-logout, mint-during-revocation each assert no entry lands (human: ~1 day / CC: ~20 min). ✅ The race becomes impossible by construction, and the ASCII write-ownership diagram goes in the SessionMint header comment. ❌ Adds one adapter read per write and a small ordering contract that SessionMint must honor."
|
||||
},
|
||||
{
|
||||
"label": "1B: Single writer only, no version check",
|
||||
"description": "✅ Removes the two-writer coupling with a one-line ownership rule and no new adapter calls (human: ~half day / CC: ~10 min). ✅ Simpler contract; easier to explain in the plan. ❌ The suspend-then-late-mint race still lands a session for a suspended tenant; it only removes broker-vs-mint conflicts, not hook-vs-mint."
|
||||
},
|
||||
{
|
||||
"label": "1C: Keep both writers as planned",
|
||||
"description": "✅ Zero plan changes; matches PLAN.md:19-20 as written. ✅ No new ordering contract to document or test. ❌ Two services and the invalidation hooks all mutate one cache with no ordering; the stale-session-after-suspension race stays untested and silent."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Issue 1 [P1] (confidence 8/10) PLAN.md:19-20 + :10 — two writers on one cache with no mutation ordering. Who owns writes?\nProject/branch/task: gstack-plan-count-EN8bNx on main, PLAN.md Multi-tenant Auth Refactor, Architecture section.\nELI10: PLAN.md:19-20 says AuthBroker and SessionMint 'both mutate' the shared cache, and PLAN.md:10 admits the cache rules 'do not serialize mutations'. D3 already replaced the module-level global with constructor injection, but injection does not fix ordering. Picture it: a tenant gets suspended, the adapter's invalidation hook wipes their entries, and 5ms later SessionMint finishes an in-flight mint and writes a fresh session for that suspended tenant. The user keeps a valid session after suspension. Nobody sees an error; the cache just quietly holds a session that should not exist.\nStakes if we pick wrong: A suspended or logged-out tenant keeps a live session. That is a silent security failure in the exact path this refactor exists to harden.\nRecommendation: A because a single writer plus a version check is the explicit, boring fix; it maps to your 'explicit over clever' and 'handle more edge cases' preferences and costs minutes with CC.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: one clear write path with a re-check on commit, versus trusting two services to never race the invalidation hooks.": "1A: Single writer + invalidation-version check (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T06:50:10.324Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "e92fe932-2f66-48b1-94b7-e0601f44ac51",
|
||||
"toolUseId": "toolu_01LhBJGJYHEvKNFSBEVaBFRK",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 — Issue 4 [P1] (confidence 9/10) PLAN.md:23-24 — validateAndDispatch() is 60 lines with three nested try/catch blocks that each swallow a different error class. Decompose or leave?\nProject/branch/task: gstack-plan-count-EN8bNx on main, PLAN.md Multi-tenant Auth Refactor, Code Quality section.\nELI10: PLAN.md:23-24 describes one function that validates a token and dispatches on the result, with three try/catch blocks stacked inside each other, and each catch eats a different kind of error. In an auth path, a swallowed error means a token that failed validation can fall through to the dispatch step looking like it passed. It also means when something breaks in production, the log shows nothing because the catch already ate the evidence. The fix is to split the function into small named steps that each return an explicit result, and to make every error either handled with a named outcome or rethrown.\nStakes if we pick wrong: Silent validation failures that let bad tokens through, plus zero forensic trail when it happens.\nRecommendation: A because 'explicit over clever' is your stated preference and swallowed errors in auth are the textbook silent-failure case; each extracted step also becomes independently testable.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: a handful of small pure steps with a typed result, versus one long function whose failure modes are invisible.",
|
||||
"header": "Issue 4",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "4A: Split into steps, typed result, no swallowed errors (recommended)",
|
||||
"description": "✅ Extract parseToken, verifyWithIdp, checkTenantPolicy, and dispatch as separate functions; each returns a discriminated Ok/Err result, and every catch either maps to a named Err variant or rethrows (human: ~1 day / CC: ~20 min). ✅ Each step gets its own unit tests for success and every error class, and every Err is logged with tenant and error class before the caller sees it. ❌ Four small functions instead of one; a little more surface in the file and a result type to define once."
|
||||
},
|
||||
{
|
||||
"label": "4B: Keep one function, flatten the try/catch, log before swallowing",
|
||||
"description": "✅ Smaller diff: one try block with error-class dispatch in a single catch, plus a log line per swallowed class (human: ~2 hours / CC: ~5 min). ✅ Removes the nesting and restores a forensic trail. ❌ Still a 50-plus-line function where validation and dispatch share scope; error classes still get swallowed instead of surfacing as explicit outcomes."
|
||||
},
|
||||
{
|
||||
"label": "4C: Leave as described",
|
||||
"description": "✅ No refactor risk to a function that presumably works today. ✅ Zero extra effort in this PR. ❌ Three nested swallowing catches in the auth path stay untestable per branch and keep hiding failures."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 — Issue 4 [P1] (confidence 9/10) PLAN.md:23-24 — validateAndDispatch() is 60 lines with three nested try/catch blocks that each swallow a different error class. Decompose or leave?\nProject/branch/task: gstack-plan-count-EN8bNx on main, PLAN.md Multi-tenant Auth Refactor, Code Quality section.\nELI10: PLAN.md:23-24 describes one function that validates a token and dispatches on the result, with three try/catch blocks stacked inside each other, and each catch eats a different kind of error. In an auth path, a swallowed error means a token that failed validation can fall through to the dispatch step looking like it passed. It also means when something breaks in production, the log shows nothing because the catch already ate the evidence. The fix is to split the function into small named steps that each return an explicit result, and to make every error either handled with a named outcome or rethrown.\nStakes if we pick wrong: Silent validation failures that let bad tokens through, plus zero forensic trail when it happens.\nRecommendation: A because 'explicit over clever' is your stated preference and swallowed errors in auth are the textbook silent-failure case; each extracted step also becomes independently testable.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: a handful of small pure steps with a typed result, versus one long function whose failure modes are invisible.": "4A: Split into steps, typed result, no swallowed errors (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T06:51:20.578Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "e92fe932-2f66-48b1-94b7-e0601f44ac51",
|
||||
"toolUseId": "toolu_015k34JTspLGeiGma1yVDone",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D11 — Issue 7 [P2] (confidence 8/10) PLAN.md:31-32 — five sequential IDP calls; plan says Promise.all is trivial. Parallelize, and with which failure semantics?\nProject/branch/task: gstack-plan-count-EN8bNx on main, PLAN.md Multi-tenant Auth Refactor, Performance section.\nELI10: PLAN.md:31-32 says the five IDP calls are independent and could run at once with Promise.all. That turns five round trips into one, so every login gets roughly five times less IDP wait. The catch is what 'all' means on failure: Promise.all rejects the moment one call fails, which is exactly right for auth (fail closed, per Issue 3), but the other four calls keep running in the background with nobody listening. Each call needs the timeout from Issue 3 and an abort signal so a rejected validation does not leave four requests hammering the IDP.\nStakes if we pick wrong: Either logins stay five round trips slow, or a naive Promise.all leaks in-flight requests and doubles IDP load during an IDP incident, which is the worst time to do it.\nRecommendation: A because Promise.all is the correct fail-closed primitive here and the abort wiring is a few lines that pays off precisely when the IDP is unhealthy.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: parallel validation that cleans up after itself on failure, versus parallel validation that leaks work under the conditions where leaking hurts most.",
|
||||
"header": "Issue 7",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "7A: Promise.all + shared AbortController + per-call timeout (recommended)",
|
||||
"description": "✅ All five calls fire together under one AbortController; the first rejection aborts the rest and validation fails closed with the typed error from Issue 3 (human: ~half day / CC: ~10 min). ✅ Tests assert one failure aborts the remaining four, total latency is bounded by the slowest call not the sum, and a success needs all five fulfilled. ❌ Slightly more wiring than a bare Promise.all, and the IDP client must accept an abort signal."
|
||||
},
|
||||
{
|
||||
"label": "7B: Bare Promise.all as the plan states",
|
||||
"description": "✅ One-line change, exactly what PLAN.md:32 proposes (human: ~15 min / CC: ~2 min). ✅ Gets the full latency win immediately. ❌ A rejection leaves four in-flight requests running to completion; during an IDP incident the retry from Issue 3 multiplies that."
|
||||
},
|
||||
{
|
||||
"label": "7C: Keep sequential",
|
||||
"description": "✅ Zero change and the simplest mental model; one call at a time. ✅ No abort or concurrency handling to test. ❌ Every login pays five serial IDP round trips when the plan itself says they are independent."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 — Issue 7 [P2] (confidence 8/10) PLAN.md:31-32 — five sequential IDP calls; plan says Promise.all is trivial. Parallelize, and with which failure semantics?\nProject/branch/task: gstack-plan-count-EN8bNx on main, PLAN.md Multi-tenant Auth Refactor, Performance section.\nELI10: PLAN.md:31-32 says the five IDP calls are independent and could run at once with Promise.all. That turns five round trips into one, so every login gets roughly five times less IDP wait. The catch is what 'all' means on failure: Promise.all rejects the moment one call fails, which is exactly right for auth (fail closed, per Issue 3), but the other four calls keep running in the background with nobody listening. Each call needs the timeout from Issue 3 and an abort signal so a rejected validation does not leave four requests hammering the IDP.\nStakes if we pick wrong: Either logins stay five round trips slow, or a naive Promise.all leaks in-flight requests and doubles IDP load during an IDP incident, which is the worst time to do it.\nRecommendation: A because Promise.all is the correct fail-closed primitive here and the abort wiring is a few lines that pays off precisely when the IDP is unhealthy.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: parallel validation that cleans up after itself on failure, versus parallel validation that leaks work under the conditions where leaking hurts most.": "7A: Promise.all + shared AbortController + per-call timeout (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T06:52:42.902Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": [],
|
||||
"planReadyRequests": []
|
||||
},
|
||||
"required": "### REGRESSION (mandatory rule, no approval needed) — CRITICAL\n\nPLAN.md:27-28 rewrites `legacyAuthFlow()` and plans no regression test; PLAN.md:15-16\nsays planned coverage \"does not exercise legacyAuthFlow() or assert compatibility with\nits prior behavior\". That is a regression by definition (modifies existing behavior,\nexisting tests do not cover it). **Add a characterization test suite for\n`legacyAuthFlow()` before touching it**: capture current inputs and outputs (success,\nexpired token, bad signature, unknown tenant, suspended tenant, revoked token) and run\nthe same suite against `routeAuth` on both flag settings. A behavior difference between\npaths is a test failure, not a support ticket.",
|
||||
"task": "- [ ] **T7 (P1, human: ~1 day / CC: ~15 min)** — tests/regression — CRITICAL characterization suite for legacyAuthFlow(), run on both router paths\n - Surfaced by: Test review — mandatory REGRESSION RULE — PLAN.md:27-28, :15-16\n - Files: tests/regression/legacyAuthFlow\n - Verify: suite passes on legacy before any refactor; passes on new path before flag enable",
|
||||
"verification": "## Verification (end to end)\n\n1. Run the characterization suite against `legacyAuthFlow()` on the unmodified code; it must pass before any refactor lands.\n2. Implement T6, T4, T9, T10, T5, T2, T1, T3, T11 with their unit tests; run the full unit suite.\n3. Run the characterization suite through `routeAuth` with the flag on `new`; zero differences.\n4. Run the E2E suite (T8) against the fake IDP; all nine flows pass on both paths.\n5. Enable the flag for internal tenants; confirm the dashboard shows both paths with comparable failure rate and latency; flip the kill switch once to prove rollback.\n6. Widen to the canary slice, then all tenants. Open TODO 1 with the bake-period date.",
|
||||
"reviewReport": "## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |\n| Outside Review | codex via `/plan-eng-review` (host: claude) | Independent 2nd opinion | 1 | disabled (skipped) | outside_status: disabled, phase: plan-review |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | CLEAR (PLAN) | 9 issues, 0 critical gaps, mode SCOPE_REDUCED |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |\n\n**OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled by `codex_reviews=disabled` config; no outside process ran and no native fallback was dispatched (disabled is an intentional opt-out). Re-enable with `gstack-config set codex_reviews enabled`.\n\n**VERDICT:** ENG CLEARED — ready to implement. Eng Review status clean at commit ec7383b (0 unresolved, 0 critical gaps).\n\nNO UNRESOLVED DECISIONS"
|
||||
}
|
||||
-360
@@ -1,360 +0,0 @@
|
||||
{
|
||||
"source": "e366d789342080bb7adf64ed57a82b4e444fba91",
|
||||
"windowStart": "2026-09-16T20:22:21.002Z",
|
||||
"windowEnd": "2026-09-16T20:43:05.795Z",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "21257e30-f7f3-41d2-8147-a93fd5d6d8c6",
|
||||
"toolUseId": "toolu_01SZPcg25UVLsDakZUeHSGgS",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 — Complexity gate: 5 new classes for a behavior-preserving refactor, or fewer?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), reorganizing tenant-auth orchestration with no product behavior change.\nELI10: The plan says its goal is to move existing auth code around without changing what users experience, but it introduces five new classes across twelve files. Two of those classes look like they do not earn a class: RequestPolicy is described by the plan itself as stateless with no side effects (that is a function), and TokenStore is never described while AuthCache already wraps the one backing cache. Every extra class is another seam a tired engineer has to trace at 3am when a tenant cannot log in.\nStakes if we pick wrong: too many classes and the refactor ships with duplicated cache-like surfaces (TokenStore vs AuthCache) and a class-shaped wrapper around one pure decision; too few and a genuinely distinct responsibility (if TokenStore has one) gets crammed into AuthCache and re-split later.\nRecommendation: A because the plan's own description of RequestPolicy (PLAN.md:12-13) is the definition of a pure function, and TokenStore has no stated responsibility distinct from AuthCache (PLAN.md:20-21, 45).\nNote: options differ in kind, not coverage — no completeness score.\nThis chooses structure only. Contracts stay fixed (PLAN.md:16-22); the shared mutable AuthCache, the nested try/catch, the regression coverage and the Promise.all change are separate remedies asked later, not decided here.\nPros / cons:\nA) 3 units: AuthBroker, SessionMint, AuthCache; RequestPolicy becomes a pure function; TokenStore folded into AuthCache (recommended)\n ✅ One cache-facing surface instead of two, so invalidation on logout/revocation/suspension has one place to be right\n ✅ Access decision is a pure `decideAccess(claims, ctx)` function: trivially unit-testable, no lifecycle, no mocks\n ❌ If TokenStore turns out to own something the adapter does not (e.g. refresh-token persistence), you rediscover it mid-implementation and re-split\nB) 4 units: AuthBroker, SessionMint, AuthCache, TokenStore; RequestPolicy becomes a pure function\n ✅ Keeps TokenStore's seam available in case it holds a responsibility the plan did not write down\n ✅ Still removes the class wrapper around a stateless decision, the clearest over-abstraction in the plan\n ❌ Two token-holding abstractions remain in one refactor with no written contract distinguishing them; DRY risk is real\nC) Original arrangement: all 5 classes as written (AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy)\n ✅ Matches the author's mental model exactly; no re-planning cost before implementation starts\n ✅ RequestPolicy as a class leaves room to grow if policy is expected to gain state or dependencies later\n ❌ Five new seams for a refactor whose stated goal is no behavior change; two of them are unjustified by the plan text\nNet: trading a small chance of re-splitting TokenStore against carrying two undescribed or unnecessary abstractions into a security-sensitive codepath.",
|
||||
"header": "Complexity",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) 3 units (recommended)",
|
||||
"description": "AuthBroker, SessionMint, AuthCache as classes. RequestPolicy becomes a pure exported function decideAccess(claims, ctx) in a policy module. TokenStore folds into AuthCache (one facade over the one backing adapter). Structure only; all other remedies stay pending."
|
||||
},
|
||||
{
|
||||
"label": "B) 4 units",
|
||||
"description": "AuthBroker, SessionMint, AuthCache, TokenStore as classes. RequestPolicy becomes a pure exported function. TokenStore kept as its own seam; the plan must then state its responsibility distinct from AuthCache. Structure only; all other remedies stay pending."
|
||||
},
|
||||
{
|
||||
"label": "C) Original 5 classes",
|
||||
"description": "Keep AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy exactly as the plan lists them across 12 files. Structure only; all other remedies stay pending."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 — Complexity gate: 5 new classes for a behavior-preserving refactor, or fewer?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), reorganizing tenant-auth orchestration with no product behavior change.\nELI10: The plan says its goal is to move existing auth code around without changing what users experience, but it introduces five new classes across twelve files. Two of those classes look like they do not earn a class: RequestPolicy is described by the plan itself as stateless with no side effects (that is a function), and TokenStore is never described while AuthCache already wraps the one backing cache. Every extra class is another seam a tired engineer has to trace at 3am when a tenant cannot log in.\nStakes if we pick wrong: too many classes and the refactor ships with duplicated cache-like surfaces (TokenStore vs AuthCache) and a class-shaped wrapper around one pure decision; too few and a genuinely distinct responsibility (if TokenStore has one) gets crammed into AuthCache and re-split later.\nRecommendation: A because the plan's own description of RequestPolicy (PLAN.md:12-13) is the definition of a pure function, and TokenStore has no stated responsibility distinct from AuthCache (PLAN.md:20-21, 45).\nNote: options differ in kind, not coverage — no completeness score.\nThis chooses structure only. Contracts stay fixed (PLAN.md:16-22); the shared mutable AuthCache, the nested try/catch, the regression coverage and the Promise.all change are separate remedies asked later, not decided here.\nPros / cons:\nA) 3 units: AuthBroker, SessionMint, AuthCache; RequestPolicy becomes a pure function; TokenStore folded into AuthCache (recommended)\n ✅ One cache-facing surface instead of two, so invalidation on logout/revocation/suspension has one place to be right\n ✅ Access decision is a pure `decideAccess(claims, ctx)` function: trivially unit-testable, no lifecycle, no mocks\n ❌ If TokenStore turns out to own something the adapter does not (e.g. refresh-token persistence), you rediscover it mid-implementation and re-split\nB) 4 units: AuthBroker, SessionMint, AuthCache, TokenStore; RequestPolicy becomes a pure function\n ✅ Keeps TokenStore's seam available in case it holds a responsibility the plan did not write down\n ✅ Still removes the class wrapper around a stateless decision, the clearest over-abstraction in the plan\n ❌ Two token-holding abstractions remain in one refactor with no written contract distinguishing them; DRY risk is real\nC) Original arrangement: all 5 classes as written (AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy)\n ✅ Matches the author's mental model exactly; no re-planning cost before implementation starts\n ✅ RequestPolicy as a class leaves room to grow if policy is expected to gain state or dependencies later\n ❌ Five new seams for a refactor whose stated goal is no behavior change; two of them are unjustified by the plan text\nNet: trading a small chance of re-splitting TokenStore against carrying two undescribed or unnecessary abstractions into a security-sensitive codepath.": "A) 3 units (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T20:24:33.441Z"
|
||||
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|
||||
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|
||||
"sessionId": "21257e30-f7f3-41d2-8147-a93fd5d6d8c6",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 — How should AuthBroker and SessionMint get the shared AuthCache: injected, or a module-level global?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1 fixed the structure at 3 units (AuthBroker, SessionMint, AuthCache + decideAccess function).\nELI10: Right now the plan has one cache object living at the top of a module, and both services reach out and grab it. That works until you want to test one service alone, run two tenants' worth of fixtures in one test file, or swap the cache backend: every test shares the same hidden object and leaks state into the next one. Handing the cache in through the constructor makes the dependency visible and gives you one obvious place (the composition root) where the single instance is created.\nStakes if we pick wrong: with the global, a flaky test suite and a cache that cannot be replaced without editing the module; with injection done sloppily, two call sites accidentally construct two AuthCache instances over one adapter and invalidation only hits one.\nRecommendation: A because a security-sensitive cache should have exactly one construction site and every consumer should declare it; this is the explicit-over-clever preference with almost no extra effort (human: ~2h / CC: ~10 min).\nNote: options differ in kind, not coverage — no completeness score.\nThis decides wiring only. The write-after-invalidate guard (R2) is asked next; structure stays at D1's 3 units.\nPros / cons:\nA) Constructor injection from one composition root (recommended)\n ✅ Each service declares its cache dependency; unit tests construct a fresh AuthCache over a fake adapter per test\n ✅ Exactly one `new AuthCache(adapter)` call site, so the \"one backing cache\" contract (PLAN.md:21) is enforced by construction\n ❌ Every place that instantiates AuthBroker or SessionMint must pass the cache; a handful of call sites change\nB) Module-level export as planned\n ✅ Zero wiring changes; matches the plan text exactly and is the fastest path to a green build\n ✅ Guarantees a single instance by module semantics without a composition root\n ❌ Hidden coupling and cross-test state leakage; replacing the adapter means editing the module, not the wiring\nC) Module-level export plus an explicit `resetForTests()` hook\n ✅ Keeps the plan's import-and-use ergonomics while giving tests a way to clear shared state\n ✅ Smallest change that addresses the test-isolation symptom\n ❌ Test-only hooks in production auth code are a smell; the dependency is still invisible at the call site\nNet: trading a few constructor-signature edits against a hidden global in the codepath that decides who gets into which tenant.",
|
||||
"header": "Cache wiring",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Constructor injection (recommended)",
|
||||
"description": "One composition root creates a single `AuthCache(adapter)` and passes it to `new AuthBroker(cache, ...)` and `new SessionMint(cache, ...)`. No module-level export of the instance. Tests construct their own AuthCache over a fake adapter. Wiring only; R2 guard stays pending."
|
||||
},
|
||||
{
|
||||
"label": "B) Module-level export",
|
||||
"description": "Keep the plan as written: `AuthCache` instance exported from its module and imported by both services. Wiring only; R2 guard stays pending."
|
||||
},
|
||||
{
|
||||
"label": "C) Module global + resetForTests()",
|
||||
"description": "Keep the module-level export and add an explicit `resetForTests()` that swaps or clears the shared instance for test isolation. Wiring only; R2 guard stays pending."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 — How should AuthBroker and SessionMint get the shared AuthCache: injected, or a module-level global?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1 fixed the structure at 3 units (AuthBroker, SessionMint, AuthCache + decideAccess function).\nELI10: Right now the plan has one cache object living at the top of a module, and both services reach out and grab it. That works until you want to test one service alone, run two tenants' worth of fixtures in one test file, or swap the cache backend: every test shares the same hidden object and leaks state into the next one. Handing the cache in through the constructor makes the dependency visible and gives you one obvious place (the composition root) where the single instance is created.\nStakes if we pick wrong: with the global, a flaky test suite and a cache that cannot be replaced without editing the module; with injection done sloppily, two call sites accidentally construct two AuthCache instances over one adapter and invalidation only hits one.\nRecommendation: A because a security-sensitive cache should have exactly one construction site and every consumer should declare it; this is the explicit-over-clever preference with almost no extra effort (human: ~2h / CC: ~10 min).\nNote: options differ in kind, not coverage — no completeness score.\nThis decides wiring only. The write-after-invalidate guard (R2) is asked next; structure stays at D1's 3 units.\nPros / cons:\nA) Constructor injection from one composition root (recommended)\n ✅ Each service declares its cache dependency; unit tests construct a fresh AuthCache over a fake adapter per test\n ✅ Exactly one `new AuthCache(adapter)` call site, so the \"one backing cache\" contract (PLAN.md:21) is enforced by construction\n ❌ Every place that instantiates AuthBroker or SessionMint must pass the cache; a handful of call sites change\nB) Module-level export as planned\n ✅ Zero wiring changes; matches the plan text exactly and is the fastest path to a green build\n ✅ Guarantees a single instance by module semantics without a composition root\n ❌ Hidden coupling and cross-test state leakage; replacing the adapter means editing the module, not the wiring\nC) Module-level export plus an explicit `resetForTests()` hook\n ✅ Keeps the plan's import-and-use ergonomics while giving tests a way to clear shared state\n ✅ Smallest change that addresses the test-isolation symptom\n ❌ Test-only hooks in production auth code are a smell; the dependency is still invisible at the call site\nNet: trading a few constructor-signature edits against a hidden global in the codepath that decides who gets into which tenant.": "A) Constructor injection (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T20:27:01.392Z"
|
||||
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|
||||
{
|
||||
"sessionId": "21257e30-f7f3-41d2-8147-a93fd5d6d8c6",
|
||||
"toolUseId": "toolu_01WeCkHwV5qHgHvVYnhggqQd",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Should AuthCache refuse a cache write that started before an invalidation for the same tenant?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1 fixed 3 units, D2 fixed constructor injection of one AuthCache.\nELI10: Two services write into the same cache and the plan says nothing serializes those writes. Picture tenant T getting suspended: the invalidation hook wipes T's entries, but SessionMint was already halfway through minting a session for T and writes a fresh entry a few milliseconds later. That entry survives until it expires, so a suspended tenant keeps getting in. The fix is a small stamp: each tenant has an invalidation counter, a write remembers the counter it saw when it started, and the cache drops the write if the counter moved.\nStakes if we pick wrong: without the guard, logout, revocation and suspension can be silently undone by a racing write and nobody sees an error; with the guard done wrong, legitimate writes get dropped and users see extra IDP round trips (a cache miss, not a lockout).\nRecommendation: A because the failure is silent, security-relevant, and the guard is a few lines inside the one facade that D1 and D2 just made the single write path (human: ~1 day incl. tests / CC: ~20 min).\nCompleteness: A=10/10, B=3/10, C=n/a (investigation only, no remedy)\nPros / cons:\nA) Per-tenant invalidation generation with compare-and-set writes in AuthCache (recommended)\n ✅ Suspension, revocation and logout cannot be resurrected by a racing mint or validation write; the invariant lives in one place\n ✅ Failure mode degrades to a cache miss (one extra IDP call), never to a wrongly cached allow\n ❌ Adds state to the facade (a generation map) and a deterministic concurrency test that must be written carefully\nB) No guard; both services write directly as planned\n ✅ Smallest diff; keeps the facade a thin pass-through over the adapter exactly as PLAN.md:20-21 describes\n ✅ If the legacy flow already had this race, this option does not make anything worse than today\n ❌ A suspended or logged-out tenant can retain cached access until expiry with no log line; silent security regression risk\nC) Investigate first: bounded probe of the existing adapter's ordering guarantees, then decide\n ✅ Avoids building a guard the adapter may already provide (e.g. versioned keys or invalidate-then-fence semantics)\n ✅ Cheap: read the adapter and its invalidation tests, report what ordering exists (CC: ~5 min once source is available)\n ❌ Leaves the race unresolved in the plan until the probe runs; implementation must not start this seam before the follow-up answer\nNet: trading a small generation map and one concurrency test against a silent way for revoked access to come back.",
|
||||
"header": "Cache race",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Generation guard (recommended)",
|
||||
"description": "AuthCache keeps a per-tenant invalidation generation; every invalidation hook (logout, revocation, suspension) bumps it; `put()` carries the generation observed at read time and is dropped if the tenant's generation has advanced. Includes the deterministic concurrency test. Applies inside the facade only."
|
||||
},
|
||||
{
|
||||
"label": "B) No guard",
|
||||
"description": "Both services write to AuthCache directly with no ordering check, as the plan describes. Race is recorded as an accepted risk in the report."
|
||||
},
|
||||
{
|
||||
"label": "C) Investigate first",
|
||||
"description": "Bounded probe of the existing adapter and its invalidation tests for ordering guarantees before choosing. Approves no implementation; the guard choice stays pending for a follow-up answer."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Should AuthCache refuse a cache write that started before an invalidation for the same tenant?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1 fixed 3 units, D2 fixed constructor injection of one AuthCache.\nELI10: Two services write into the same cache and the plan says nothing serializes those writes. Picture tenant T getting suspended: the invalidation hook wipes T's entries, but SessionMint was already halfway through minting a session for T and writes a fresh entry a few milliseconds later. That entry survives until it expires, so a suspended tenant keeps getting in. The fix is a small stamp: each tenant has an invalidation counter, a write remembers the counter it saw when it started, and the cache drops the write if the counter moved.\nStakes if we pick wrong: without the guard, logout, revocation and suspension can be silently undone by a racing write and nobody sees an error; with the guard done wrong, legitimate writes get dropped and users see extra IDP round trips (a cache miss, not a lockout).\nRecommendation: A because the failure is silent, security-relevant, and the guard is a few lines inside the one facade that D1 and D2 just made the single write path (human: ~1 day incl. tests / CC: ~20 min).\nCompleteness: A=10/10, B=3/10, C=n/a (investigation only, no remedy)\nPros / cons:\nA) Per-tenant invalidation generation with compare-and-set writes in AuthCache (recommended)\n ✅ Suspension, revocation and logout cannot be resurrected by a racing mint or validation write; the invariant lives in one place\n ✅ Failure mode degrades to a cache miss (one extra IDP call), never to a wrongly cached allow\n ❌ Adds state to the facade (a generation map) and a deterministic concurrency test that must be written carefully\nB) No guard; both services write directly as planned\n ✅ Smallest diff; keeps the facade a thin pass-through over the adapter exactly as PLAN.md:20-21 describes\n ✅ If the legacy flow already had this race, this option does not make anything worse than today\n ❌ A suspended or logged-out tenant can retain cached access until expiry with no log line; silent security regression risk\nC) Investigate first: bounded probe of the existing adapter's ordering guarantees, then decide\n ✅ Avoids building a guard the adapter may already provide (e.g. versioned keys or invalidate-then-fence semantics)\n ✅ Cheap: read the adapter and its invalidation tests, report what ordering exists (CC: ~5 min once source is available)\n ❌ Leaves the race unresolved in the plan until the probe runs; implementation must not start this seam before the follow-up answer\nNet: trading a small generation map and one concurrency test against a silent way for revoked access to come back.": "A) Generation guard (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T20:27:55.565Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "21257e30-f7f3-41d2-8147-a93fd5d6d8c6",
|
||||
"toolUseId": "toolu_01AovjSFp1uCLC3QgiZt7HKs",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — How should validateAndDispatch() handle errors: one explicit error map, or keep the nested try/catch?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); structure, wiring and the cache guard are fixed (D1–D3).\nELI10: The function that decides whether a request gets in has three try/catch blocks nested inside each other, and each one quietly eats a different kind of error. When an error is eaten, the code after it keeps running as if nothing went wrong, so a failed token check can fall through to dispatch, or fail with no log line to explain a locked-out user. The fix is to make the flow a straight line (validate, decide, dispatch) and have one place that says, for each error type, exactly what the caller gets back and what gets logged.\nStakes if we pick wrong: a swallowed validation error can become an allow (security), and a swallowed IDP outage becomes a silent lockout with no log to debug at 3am.\nRecommendation: A because deny-by-default with an explicit error map is the smallest change that makes every failure path both safe and visible; it also drops the function well under 60 lines (human: ~4h / CC: ~15 min).\nCompleteness: A=10/10, B=6/10, C=2/10\nPros / cons:\nA) Linear flow with one explicit error map, deny-by-default, structured logs (recommended)\n ✅ Every error class has a named outcome (e.g. ValidationError → deny 401, PolicyDenied → deny 403, IdpUnavailable → 503 + retryable) and a log line with tenant and request IDs\n ✅ Unknown errors deny and re-throw, so nothing new can slip through to dispatch; table-driven tests cover each row\n ❌ Callers that relied on a swallowed error producing a soft result may see a new explicit deny; the regression suite must catch this\nB) Keep the nested blocks; each catch logs and returns an explicit deny\n ✅ Minimal structural change to a function the team already knows\n ✅ Stops the silent-swallow behavior, which is the most dangerous part\n ❌ Still 60 lines and three nesting levels; the outcome for each error class is spread across the function instead of one table\nC) Keep as described: nested blocks that swallow\n ✅ Zero risk of changing any caller-visible behavior in this refactor\n ✅ No new tests required for this function beyond what the plan already lists\n ❌ Errors keep disappearing in the codepath that grants access; incompatible with the \"explicit over clever\" preference\nNet: trading a small chance that a caller depended on a swallowed error against silent failures in the access-granting path.",
|
||||
"header": "Error handling",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Explicit error map (recommended)",
|
||||
"description": "Rewrite validateAndDispatch() as validate → decideAccess → dispatch inside one try; a single catch maps each known error class to an explicit outcome and structured log; unknown errors deny and re-throw. Table-driven unit test per error class."
|
||||
},
|
||||
{
|
||||
"label": "B) Log-and-deny in each catch",
|
||||
"description": "Keep the three nested try/catch blocks; replace each swallow with a log line and an explicit deny result. No restructuring."
|
||||
},
|
||||
{
|
||||
"label": "C) Keep as described",
|
||||
"description": "Leave validateAndDispatch() as the plan describes it; swallowing behavior recorded as an accepted risk."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — How should validateAndDispatch() handle errors: one explicit error map, or keep the nested try/catch?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); structure, wiring and the cache guard are fixed (D1–D3).\nELI10: The function that decides whether a request gets in has three try/catch blocks nested inside each other, and each one quietly eats a different kind of error. When an error is eaten, the code after it keeps running as if nothing went wrong, so a failed token check can fall through to dispatch, or fail with no log line to explain a locked-out user. The fix is to make the flow a straight line (validate, decide, dispatch) and have one place that says, for each error type, exactly what the caller gets back and what gets logged.\nStakes if we pick wrong: a swallowed validation error can become an allow (security), and a swallowed IDP outage becomes a silent lockout with no log to debug at 3am.\nRecommendation: A because deny-by-default with an explicit error map is the smallest change that makes every failure path both safe and visible; it also drops the function well under 60 lines (human: ~4h / CC: ~15 min).\nCompleteness: A=10/10, B=6/10, C=2/10\nPros / cons:\nA) Linear flow with one explicit error map, deny-by-default, structured logs (recommended)\n ✅ Every error class has a named outcome (e.g. ValidationError → deny 401, PolicyDenied → deny 403, IdpUnavailable → 503 + retryable) and a log line with tenant and request IDs\n ✅ Unknown errors deny and re-throw, so nothing new can slip through to dispatch; table-driven tests cover each row\n ❌ Callers that relied on a swallowed error producing a soft result may see a new explicit deny; the regression suite must catch this\nB) Keep the nested blocks; each catch logs and returns an explicit deny\n ✅ Minimal structural change to a function the team already knows\n ✅ Stops the silent-swallow behavior, which is the most dangerous part\n ❌ Still 60 lines and three nesting levels; the outcome for each error class is spread across the function instead of one table\nC) Keep as described: nested blocks that swallow\n ✅ Zero risk of changing any caller-visible behavior in this refactor\n ✅ No new tests required for this function beyond what the plan already lists\n ❌ Errors keep disappearing in the codepath that grants access; incompatible with the \"explicit over clever\" preference\nNet: trading a small chance that a caller depended on a swallowed error against silent failures in the access-granting path.": "A) Explicit error map (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T20:29:03.822Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "21257e30-f7f3-41d2-8147-a93fd5d6d8c6",
|
||||
"toolUseId": "toolu_016KEtKeHmcivSW9sEF96YxQ",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — Should the read → miss → load → write sequence live once in AuthCache.getOrLoad(), or in each service?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1–D4 fixed structure, injection, the generation guard and the error map.\nELI10: Both AuthBroker and SessionMint need the same dance: look in the cache, if it is not there ask the IDP, then store the answer. If each service writes that dance itself, the generation guard from D3 has to be remembered in two places and a future fix lands in one and not the other. Putting the dance in one method on the cache facade means the guard is applied automatically wherever a load happens.\nStakes if we pick wrong: with duplication, one service eventually bypasses the guard or diverges on key construction and a tenant-key bug appears in only one flow; with a bad abstraction, a loader signature too generic for the two real callers.\nRecommendation: A because the two callers are known now, the guard from D3 must wrap every write, and one helper is the DRY-aggressive default for this codebase (human: ~3h / CC: ~10 min).\nCompleteness: A=10/10, B=5/10, C=n/a (deferral, no remedy)\nPros / cons:\nA) One `AuthCache.getOrLoad(key, loader)` used by both services (recommended)\n ✅ The D3 generation guard and the tenant/issuer/audience/policy-version key construction are applied in exactly one place\n ✅ Both services shrink to \"call getOrLoad with my loader\"; tests for the miss path are written once\n ❌ A loader callback is one more indirection to read; if the two callers turn out to need different miss semantics the helper grows a flag\nB) Each service keeps its own read/miss/write sequence\n ✅ Each flow stays fully explicit at its own call site with no callback indirection\n ✅ No shared helper to design before the two callers exist\n ❌ Two copies of the miss path; the guard and key rules must be maintained twice and tested twice\nC) Defer until duplication is confirmed in code\n ✅ Avoids abstracting on an inference; the plan text does not literally show both sequences\n ✅ Cheap to revisit once the first service is written\n ❌ Leaves the guard-application rule unowned during implementation; the second service may ship before the revisit\nNet: trading a small callback indirection against maintaining the security-relevant miss path in two places.",
|
||||
"header": "DRY miss path",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) getOrLoad in AuthCache (recommended)",
|
||||
"description": "Add `AuthCache.getOrLoad(key, loader)`: read; on miss call loader; write through the R2 generation guard. AuthBroker and SessionMint both use it for their cache-miss sequences. Tested once in AuthCache."
|
||||
},
|
||||
{
|
||||
"label": "B) Per-service sequences",
|
||||
"description": "Each service implements its own read → miss → IDP → write against AuthCache.get/put. Guard and key rules maintained at both sites."
|
||||
},
|
||||
{
|
||||
"label": "C) Defer",
|
||||
"description": "Implement per-service first; revisit consolidation when the duplication is confirmed in code. Approves no consolidation now."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Should the read → miss → load → write sequence live once in AuthCache.getOrLoad(), or in each service?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1–D4 fixed structure, injection, the generation guard and the error map.\nELI10: Both AuthBroker and SessionMint need the same dance: look in the cache, if it is not there ask the IDP, then store the answer. If each service writes that dance itself, the generation guard from D3 has to be remembered in two places and a future fix lands in one and not the other. Putting the dance in one method on the cache facade means the guard is applied automatically wherever a load happens.\nStakes if we pick wrong: with duplication, one service eventually bypasses the guard or diverges on key construction and a tenant-key bug appears in only one flow; with a bad abstraction, a loader signature too generic for the two real callers.\nRecommendation: A because the two callers are known now, the guard from D3 must wrap every write, and one helper is the DRY-aggressive default for this codebase (human: ~3h / CC: ~10 min).\nCompleteness: A=10/10, B=5/10, C=n/a (deferral, no remedy)\nPros / cons:\nA) One `AuthCache.getOrLoad(key, loader)` used by both services (recommended)\n ✅ The D3 generation guard and the tenant/issuer/audience/policy-version key construction are applied in exactly one place\n ✅ Both services shrink to \"call getOrLoad with my loader\"; tests for the miss path are written once\n ❌ A loader callback is one more indirection to read; if the two callers turn out to need different miss semantics the helper grows a flag\nB) Each service keeps its own read/miss/write sequence\n ✅ Each flow stays fully explicit at its own call site with no callback indirection\n ✅ No shared helper to design before the two callers exist\n ❌ Two copies of the miss path; the guard and key rules must be maintained twice and tested twice\nC) Defer until duplication is confirmed in code\n ✅ Avoids abstracting on an inference; the plan text does not literally show both sequences\n ✅ Cheap to revisit once the first service is written\n ❌ Leaves the guard-application rule unowned during implementation; the second service may ship before the revisit\nNet: trading a small callback indirection against maintaining the security-relevant miss path in two places.": "A) getOrLoad in AuthCache (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T20:29:50.004Z"
|
||||
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|
||||
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|
||||
"sessionId": "21257e30-f7f3-41d2-8147-a93fd5d6d8c6",
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 — How do we prove the rewritten auth flow behaves exactly like legacyAuthFlow() before the old one is deleted?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1–D5 fixed structure, injection, guard, error map and getOrLoad.\nELI10: The plan rewrites the function every tenant login goes through and, as written, has no test that says \"the new one answers the same as the old one.\" The way to get that safely is to write the tests against the OLD function first, so they capture what it actually does today (including its quirks), then point the same tests at the new function. For an auth path you can go one step further and run both in production for a while, letting the old one decide while logging any disagreement.\nStakes if we pick wrong: a tenant that could log in yesterday cannot today, or a token that should be rejected is accepted, and there is no test that would have caught it before deploy.\nRecommendation: B because characterization tests catch what you thought of and the shadow compare catches what you did not; on an auth path the extra flag is cheap insurance and is removed when the window closes (A: human ~1.5 days / CC ~30 min; B: human ~3 days / CC ~45 min).\nCompleteness: A=9/10, B=10/10, C=5/10\nPros / cons:\nA) Characterization suite captured from legacyAuthFlow() first, then run against the new flow\n ✅ Locks in every listed outcome class before a line of the rewrite exists; failures point at the exact diverging case\n ✅ Also serves as the acceptance suite for D4: every intentionally changed outcome is listed and asserted as changed, nothing changes silently\n ❌ Only covers cases someone thought to write; real token shapes and IDP behaviors in production may differ\nB) A plus a flag-gated shadow compare in production for a bounded window (recommended)\n ✅ Real traffic across real tenants checks the rewrite against the legacy decision; mismatches are logged with tenant and case, never enforced\n ✅ Reversible by construction: legacy stays authoritative until the flag flips, so rollback is a config change\n ❌ Adds a flag, a compare hook and a cleanup task; doubles IDP calls during the window unless the compare reuses the cached result\nC) Happy-path characterization only (valid and expired token)\n ✅ Fast to write and covers the two most common outcomes users hit every day\n ✅ Still better than the plan's zero regression coverage\n ❌ Revocation, suspension, cross-tenant and IDP-failure paths, the ones with security consequences, remain unproven\nNet: trading a temporary flag and compare hook against discovering an auth regression from a tenant's support ticket.",
|
||||
"header": "Regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Characterization suite",
|
||||
"description": "Write the regression suite against legacyAuthFlow() before the rewrite covering valid, expired, revoked, logged-out, suspended tenant, cross-tenant, policy-version bump, malformed token, IDP unavailable and IDP timeout; assert outcome class and cache state. The new flow must pass it; intentional D4 differences are listed and asserted explicitly."
|
||||
},
|
||||
{
|
||||
"label": "B) Characterization + shadow compare (recommended)",
|
||||
"description": "Everything in A, plus a flag-gated shadow mode where the new flow runs alongside legacy in production for a bounded window; legacy decides, mismatches are logged and alerted; the flag flips only after a clean window; flag and legacy are removed afterwards."
|
||||
},
|
||||
{
|
||||
"label": "C) Happy path only",
|
||||
"description": "Characterization tests for valid and expired token only. The remaining legacy outcomes are recorded as unproven in the report."
|
||||
}
|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
"D6 — How do we prove the rewritten auth flow behaves exactly like legacyAuthFlow() before the old one is deleted?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1–D5 fixed structure, injection, guard, error map and getOrLoad.\nELI10: The plan rewrites the function every tenant login goes through and, as written, has no test that says \"the new one answers the same as the old one.\" The way to get that safely is to write the tests against the OLD function first, so they capture what it actually does today (including its quirks), then point the same tests at the new function. For an auth path you can go one step further and run both in production for a while, letting the old one decide while logging any disagreement.\nStakes if we pick wrong: a tenant that could log in yesterday cannot today, or a token that should be rejected is accepted, and there is no test that would have caught it before deploy.\nRecommendation: B because characterization tests catch what you thought of and the shadow compare catches what you did not; on an auth path the extra flag is cheap insurance and is removed when the window closes (A: human ~1.5 days / CC ~30 min; B: human ~3 days / CC ~45 min).\nCompleteness: A=9/10, B=10/10, C=5/10\nPros / cons:\nA) Characterization suite captured from legacyAuthFlow() first, then run against the new flow\n ✅ Locks in every listed outcome class before a line of the rewrite exists; failures point at the exact diverging case\n ✅ Also serves as the acceptance suite for D4: every intentionally changed outcome is listed and asserted as changed, nothing changes silently\n ❌ Only covers cases someone thought to write; real token shapes and IDP behaviors in production may differ\nB) A plus a flag-gated shadow compare in production for a bounded window (recommended)\n ✅ Real traffic across real tenants checks the rewrite against the legacy decision; mismatches are logged with tenant and case, never enforced\n ✅ Reversible by construction: legacy stays authoritative until the flag flips, so rollback is a config change\n ❌ Adds a flag, a compare hook and a cleanup task; doubles IDP calls during the window unless the compare reuses the cached result\nC) Happy-path characterization only (valid and expired token)\n ✅ Fast to write and covers the two most common outcomes users hit every day\n ✅ Still better than the plan's zero regression coverage\n ❌ Revocation, suspension, cross-tenant and IDP-failure paths, the ones with security consequences, remain unproven\nNet: trading a temporary flag and compare hook against discovering an auth regression from a tenant's support ticket.": "A) Characterization suite"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-16T20:30:50.274Z"
|
||||
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|
||||
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|
||||
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 — How deep should the integration test for the new flow go: a two-tenant end-to-end scenario, or component-level only?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1–D6 fixed structure, wiring, guard, error map, getOrLoad and the regression suite.\nELI10: Unit tests prove each piece works alone; the bugs in auth systems usually live in the seams, like tenant A's suspension accidentally clearing tenant B's sessions, or the cache key missing one field so two tenants share an entry. One end-to-end test that runs two tenants through the whole login-to-dispatch path with a fake identity provider catches exactly those seam bugs. It is the kind of test you want to fail in CI, not in a customer's browser.\nStakes if we pick wrong: a cross-tenant leak or a suspension that does not stick reaches production because every unit test passed in isolation.\nRecommendation: A because auth flows spanning 3+ components are the textbook E2E case and the fake IDP makes it deterministic (human: ~1 day / CC: ~20 min).\nCompleteness: A=10/10, B=7/10\nPros / cons:\nA) Two-tenant E2E against a fake IDP, including suspension mid-session, cross-tenant token, IDP outage and policy-version bump (recommended)\n ✅ Exercises AuthBroker, decideAccess, AuthCache (with the D3 guard), SessionMint and dispatch together across two tenants\n ✅ Failure modes that matter to real users (suspension not sticking, cross-tenant leak, IDP down) are asserted end to end\n ❌ Needs a fake IDP fixture and takes longer per run than unit tests; must stay deterministic (no real network)\nB) Component-level integration only\n ✅ Each unit is verified against fake collaborators quickly; no fixture for a full IDP conversation\n ✅ Matches the plan's wording of \"unit and integration coverage\" with minimal extra scope\n ❌ Seam bugs between units (key construction, invalidation propagation, dispatch after deny) are not exercised together\nNet: trading one fake-IDP fixture against finding tenant-isolation bugs only in production.",
|
||||
"header": "E2E depth",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Two-tenant E2E (recommended)",
|
||||
"description": "One end-to-end test file against a fake IDP: tenants A and B log in, validate, decideAccess and dispatch; cross-tenant token rejected; suspending A mid-session denies A's next request and leaves B untouched; IDP outage yields the explicit 503 path; policy-version bump forces a re-validate. Plus the common-work facade contract tests."
|
||||
},
|
||||
{
|
||||
"label": "B) Component-level only",
|
||||
"description": "Integration tests per unit against fake adapter and fake IDP; no cross-unit scenario. Plus the common-work facade contract tests."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
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|
||||
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|
||||
"answers": {
|
||||
"D7 — How deep should the integration test for the new flow go: a two-tenant end-to-end scenario, or component-level only?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1–D6 fixed structure, wiring, guard, error map, getOrLoad and the regression suite.\nELI10: Unit tests prove each piece works alone; the bugs in auth systems usually live in the seams, like tenant A's suspension accidentally clearing tenant B's sessions, or the cache key missing one field so two tenants share an entry. One end-to-end test that runs two tenants through the whole login-to-dispatch path with a fake identity provider catches exactly those seam bugs. It is the kind of test you want to fail in CI, not in a customer's browser.\nStakes if we pick wrong: a cross-tenant leak or a suspension that does not stick reaches production because every unit test passed in isolation.\nRecommendation: A because auth flows spanning 3+ components are the textbook E2E case and the fake IDP makes it deterministic (human: ~1 day / CC: ~20 min).\nCompleteness: A=10/10, B=7/10\nPros / cons:\nA) Two-tenant E2E against a fake IDP, including suspension mid-session, cross-tenant token, IDP outage and policy-version bump (recommended)\n ✅ Exercises AuthBroker, decideAccess, AuthCache (with the D3 guard), SessionMint and dispatch together across two tenants\n ✅ Failure modes that matter to real users (suspension not sticking, cross-tenant leak, IDP down) are asserted end to end\n ❌ Needs a fake IDP fixture and takes longer per run than unit tests; must stay deterministic (no real network)\nB) Component-level integration only\n ✅ Each unit is verified against fake collaborators quickly; no fixture for a full IDP conversation\n ✅ Matches the plan's wording of \"unit and integration coverage\" with minimal extra scope\n ❌ Seam bugs between units (key construction, invalidation propagation, dispatch after deny) are not exercised together\nNet: trading one fake-IDP fixture against finding tenant-isolation bugs only in production.": "A) Two-tenant E2E (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T20:31:42.536Z"
|
||||
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|
||||
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|
||||
"sessionId": "21257e30-f7f3-41d2-8147-a93fd5d6d8c6",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 — When should the 5 IDP calls be parallelized: as a separate final commit after regression is green, deferred, or inline in the refactor?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1–D7 fixed structure, wiring, guard, error map, getOrLoad, regression suite and E2E depth.\nELI10: Making five calls at once instead of one after another is a real speed win for every login, but it is also a behavior change: errors arrive in a different order, five requests hit the identity provider at the same instant, and if one call secretly needs another's answer it breaks. The plan's goal is \"no behavior change,\" so the clean move is to finish the reorganization, prove it matches the old flow with the regression suite, then flip to parallel in its own commit where any difference is obviously caused by that one change.\nStakes if we pick wrong: mixed into the refactor, a regression-suite failure could be either the restructure or the parallelization and you cannot tell which; deferred forever, users keep paying five round trips on every validation.\nRecommendation: A because it keeps structural and behavioral changes in separate commits (Beck) while still landing the win on this branch; the probe of independence and IDP limits is a few minutes once source is available (human: ~half day / CC: ~15 min).\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Separate final commit after the regression suite is green, gated on the independence and rate-limit probe (recommended)\n ✅ A regression failure after this commit has exactly one cause; rollback is one revert with the refactor intact\n ✅ The \"calls are independent\" claim is checked against source, and IDP concurrency limits are confirmed before five simultaneous requests ship\n ❌ One extra commit and a short probe before the latency win lands\nB) Keep sequential in this refactor; defer parallelization to a TODO\n ✅ The branch stays a pure reorganization with zero timing or error-ordering change\n ✅ No IDP rate-limit risk introduced by this work\n ❌ A known 5x-round-trip latency cost on every validation stays in production with no scheduled fix\nC) Promise.all inline in the refactor commit as the plan proposes\n ✅ Fewest commits; the win ships with the refactor\n ✅ No separate PR or coordination step\n ❌ Mixes a behavior change into a \"no behavior change\" refactor; regression-suite failures become ambiguous and the independence claim ships unverified\nNet: trading one extra commit and a short probe against ambiguous regression failures in the auth path.",
|
||||
"header": "IDP parallel",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Separate final commit (recommended)",
|
||||
"description": "Land Promise.all as its own last commit on this branch after the D6 characterization suite is green against the new flow. Preconditions: bounded probe confirms no call consumes another's output and the IDP tolerates 5 concurrent calls per validation; fail-fast semantics, first rejection routed through the D4 error map; before/after latency recorded in the PR."
|
||||
},
|
||||
{
|
||||
"label": "B) Defer to TODO",
|
||||
"description": "Keep the 5 calls sequential in this refactor. Parallelization becomes a TODO with the same preconditions. No timing change on this branch."
|
||||
},
|
||||
{
|
||||
"label": "C) Inline in refactor",
|
||||
"description": "Apply Promise.all inside the refactor commit as the plan proposes; no independence probe required beforehand."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 — When should the 5 IDP calls be parallelized: as a separate final commit after regression is green, deferred, or inline in the refactor?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D1–D7 fixed structure, wiring, guard, error map, getOrLoad, regression suite and E2E depth.\nELI10: Making five calls at once instead of one after another is a real speed win for every login, but it is also a behavior change: errors arrive in a different order, five requests hit the identity provider at the same instant, and if one call secretly needs another's answer it breaks. The plan's goal is \"no behavior change,\" so the clean move is to finish the reorganization, prove it matches the old flow with the regression suite, then flip to parallel in its own commit where any difference is obviously caused by that one change.\nStakes if we pick wrong: mixed into the refactor, a regression-suite failure could be either the restructure or the parallelization and you cannot tell which; deferred forever, users keep paying five round trips on every validation.\nRecommendation: A because it keeps structural and behavioral changes in separate commits (Beck) while still landing the win on this branch; the probe of independence and IDP limits is a few minutes once source is available (human: ~half day / CC: ~15 min).\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Separate final commit after the regression suite is green, gated on the independence and rate-limit probe (recommended)\n ✅ A regression failure after this commit has exactly one cause; rollback is one revert with the refactor intact\n ✅ The \"calls are independent\" claim is checked against source, and IDP concurrency limits are confirmed before five simultaneous requests ship\n ❌ One extra commit and a short probe before the latency win lands\nB) Keep sequential in this refactor; defer parallelization to a TODO\n ✅ The branch stays a pure reorganization with zero timing or error-ordering change\n ✅ No IDP rate-limit risk introduced by this work\n ❌ A known 5x-round-trip latency cost on every validation stays in production with no scheduled fix\nC) Promise.all inline in the refactor commit as the plan proposes\n ✅ Fewest commits; the win ships with the refactor\n ✅ No separate PR or coordination step\n ❌ Mixes a behavior change into a \"no behavior change\" refactor; regression-suite failures become ambiguous and the independence claim ships unverified\nNet: trading one extra commit and a short probe against ambiguous regression failures in the auth path.": "A) Separate final commit (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T20:32:48.898Z"
|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
{
|
||||
"question": "D9 — TODO: capture \"flag-gated shadow compare of the new auth flow against legacyAuthFlow() in production\" for later?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D6 approved the characterization suite without the production shadow compare.\nELI10: You chose to prove the rewrite with tests written against the old code. The other half of the idea, running both old and new in production for a while and logging any disagreement, was not taken. This question is only about whether to write that idea down properly so a future session can pick it up with the reasoning intact, not about doing it now.\nStakes if we pick wrong: skip it and the idea evaporates; capture it badly and someone later wonders why it exists.\nRecommendation: A because it costs one paragraph now and is the standard next step if the characterization suite ever misses a production-only token shape.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: flag-gated shadow mode where the new flow runs alongside legacyAuthFlow() for a bounded window; legacy decides; mismatches logged with tenant and case; flag flips after a clean window, then flag and legacy are deleted.\nWhy: catches production-only token shapes and IDP behaviors the characterization suite did not anticipate; makes cutover reversible by config.\nPros: real-traffic proof across all tenants; rollback is a config change.\nCons: temporary flag and compare hook; doubles IDP calls during the window unless the compare reuses the cached result; cleanup task.\nContext: D6 in this review approved characterization tests (10 scenarios) as the regression contract. If the suite passes but any post-cutover incident shows a divergence, this is the next tool. Start at the composition root (D2) where both flows can be constructed side by side.\nDepends on / blocked by: the characterization suite (D6) green against the new flow; legacyAuthFlow() must still exist when shadow mode is added.\nPros / cons:\nA) Add to TODOS.md (recommended)\n ✅ Idea and its reasoning survive with a clear starting point (composition root) and trigger\n ✅ Zero implementation cost now; does not change any approved scope\n ❌ TODOS.md cannot be written in plan mode; content is presented as not persisted until you leave plan mode\nB) Skip — not valuable enough\n ✅ Keeps the TODO list focused if you are confident the suite is sufficient\n ✅ Nothing to maintain or clean up later\n ❌ The reasoning is lost; a future incident re-derives it from scratch\nC) Build it now in this branch\n ✅ Maximum rollout safety for an auth cutover\n ✅ The flag and compare hook are small once the composition root exists\n ❌ Reopens D6's accepted scope and adds a flag and cleanup task to a branch whose goal is a reorganization\nNet: one paragraph of captured reasoning versus nothing.",
|
||||
"header": "TODO shadow",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Add to TODOS.md (recommended)",
|
||||
"description": "Record the What/Why/Pros/Cons/Context/Depends block above in TODOS.md (presented as not persisted while in plan mode). No implementation now."
|
||||
},
|
||||
{
|
||||
"label": "B) Skip",
|
||||
"description": "Do not capture; the idea is dropped from this review's outputs."
|
||||
},
|
||||
{
|
||||
"label": "C) Build it now",
|
||||
"description": "Reopen D6 and add the flag-gated shadow compare to this branch's accepted scope; a follow-up decision will re-record R5."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 — TODO: capture \"flag-gated shadow compare of the new auth flow against legacyAuthFlow() in production\" for later?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D6 approved the characterization suite without the production shadow compare.\nELI10: You chose to prove the rewrite with tests written against the old code. The other half of the idea, running both old and new in production for a while and logging any disagreement, was not taken. This question is only about whether to write that idea down properly so a future session can pick it up with the reasoning intact, not about doing it now.\nStakes if we pick wrong: skip it and the idea evaporates; capture it badly and someone later wonders why it exists.\nRecommendation: A because it costs one paragraph now and is the standard next step if the characterization suite ever misses a production-only token shape.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: flag-gated shadow mode where the new flow runs alongside legacyAuthFlow() for a bounded window; legacy decides; mismatches logged with tenant and case; flag flips after a clean window, then flag and legacy are deleted.\nWhy: catches production-only token shapes and IDP behaviors the characterization suite did not anticipate; makes cutover reversible by config.\nPros: real-traffic proof across all tenants; rollback is a config change.\nCons: temporary flag and compare hook; doubles IDP calls during the window unless the compare reuses the cached result; cleanup task.\nContext: D6 in this review approved characterization tests (10 scenarios) as the regression contract. If the suite passes but any post-cutover incident shows a divergence, this is the next tool. Start at the composition root (D2) where both flows can be constructed side by side.\nDepends on / blocked by: the characterization suite (D6) green against the new flow; legacyAuthFlow() must still exist when shadow mode is added.\nPros / cons:\nA) Add to TODOS.md (recommended)\n ✅ Idea and its reasoning survive with a clear starting point (composition root) and trigger\n ✅ Zero implementation cost now; does not change any approved scope\n ❌ TODOS.md cannot be written in plan mode; content is presented as not persisted until you leave plan mode\nB) Skip — not valuable enough\n ✅ Keeps the TODO list focused if you are confident the suite is sufficient\n ✅ Nothing to maintain or clean up later\n ❌ The reasoning is lost; a future incident re-derives it from scratch\nC) Build it now in this branch\n ✅ Maximum rollout safety for an auth cutover\n ✅ The flag and compare hook are small once the composition root exists\n ❌ Reopens D6's accepted scope and adds a flag and cleanup task to a branch whose goal is a reorganization\nNet: one paragraph of captured reasoning versus nothing.": "A) Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T20:34:32.512Z"
|
||||
},
|
||||
{
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"question": "D10 — TODO: capture \"single-flight de-duplication of concurrent cache misses in AuthCache.getOrLoad()\" for later?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D5 approved getOrLoad as the single miss path.\nELI10: When a tenant's policy version changes, every cached token for that tenant becomes a miss at the same moment, and every in-flight request asks the identity provider separately. Single-flight means the first miss for a key does the IDP call and the others wait for that same answer. It is an existing cost, not something this refactor introduces, but D5 just created the one place where it would be a small change. This question is only about writing it down.\nStakes if we pick wrong: skip and a busy tenant's policy bump keeps producing an IDP burst nobody remembers is avoidable; capture and the fix has an obvious home.\nRecommendation: A because getOrLoad is the right home and the reasoning is cheap to keep; building now would add behavior to a reorganization branch.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: per-key in-flight promise map inside AuthCache.getOrLoad(); concurrent misses for the same key share one loader call; entry cleared on settle.\nWhy: a policy-version bump or cold start for a large tenant turns N concurrent requests into N IDP calls; single-flight makes it 1.\nPros: cuts IDP load and tail latency during invalidation storms; lives in the one approved miss path.\nCons: in-process only (no cross-instance de-dup); must respect the D3 generation guard (a shared result observed before an invalidation must still be dropped); needs a concurrency test.\nContext: D5 approved `AuthCache.getOrLoad(key, loader)` as the single read → miss → load → write path. Add the in-flight map there; the generation check on write already exists (D3). Measure IDP call count during a policy bump before and after.\nDepends on / blocked by: getOrLoad landed (D5); the D8 parallelization commit (to avoid two performance changes in one measurement).\nPros / cons:\nA) Add to TODOS.md (recommended)\n ✅ Fix has a named home (getOrLoad) and a named trigger (policy-version bump burst) for whoever picks it up\n ✅ No change to any approved scope on this branch\n ❌ Not persisted while in plan mode; the IDP burst remains until someone picks it up\nB) Skip — not valuable enough\n ✅ Keeps the TODO list focused if policy bumps are rare and tenants are small\n ✅ Nothing to maintain\n ❌ Existing IDP burst cost stays unrecorded\nC) Build it now in this branch\n ✅ Small once getOrLoad exists; removes a real burst cost immediately\n ✅ Concurrency test can share fixtures with the D3 guard test\n ❌ Adds behavior to a reorganization branch and reopens R4's accepted scope\nNet: one paragraph now versus an unrecorded burst cost.",
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||||
"header": "TODO herd",
|
||||
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|
||||
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|
||||
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|
||||
"label": "A) Add to TODOS.md (recommended)",
|
||||
"description": "Record the What/Why/Pros/Cons/Context/Depends block above in TODOS.md (presented as not persisted while in plan mode). No implementation now."
|
||||
},
|
||||
{
|
||||
"label": "B) Skip",
|
||||
"description": "Do not capture; the idea is dropped from this review's outputs."
|
||||
},
|
||||
{
|
||||
"label": "C) Build it now",
|
||||
"description": "Reopen D5 and add in-process single-flight to getOrLoad on this branch; a follow-up decision will re-record R4."
|
||||
}
|
||||
]
|
||||
}
|
||||
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|
||||
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||||
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|
||||
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|
||||
"D10 — TODO: capture \"single-flight de-duplication of concurrent cache misses in AuthCache.getOrLoad()\" for later?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md); D5 approved getOrLoad as the single miss path.\nELI10: When a tenant's policy version changes, every cached token for that tenant becomes a miss at the same moment, and every in-flight request asks the identity provider separately. Single-flight means the first miss for a key does the IDP call and the others wait for that same answer. It is an existing cost, not something this refactor introduces, but D5 just created the one place where it would be a small change. This question is only about writing it down.\nStakes if we pick wrong: skip and a busy tenant's policy bump keeps producing an IDP burst nobody remembers is avoidable; capture and the fix has an obvious home.\nRecommendation: A because getOrLoad is the right home and the reasoning is cheap to keep; building now would add behavior to a reorganization branch.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: per-key in-flight promise map inside AuthCache.getOrLoad(); concurrent misses for the same key share one loader call; entry cleared on settle.\nWhy: a policy-version bump or cold start for a large tenant turns N concurrent requests into N IDP calls; single-flight makes it 1.\nPros: cuts IDP load and tail latency during invalidation storms; lives in the one approved miss path.\nCons: in-process only (no cross-instance de-dup); must respect the D3 generation guard (a shared result observed before an invalidation must still be dropped); needs a concurrency test.\nContext: D5 approved `AuthCache.getOrLoad(key, loader)` as the single read → miss → load → write path. Add the in-flight map there; the generation check on write already exists (D3). Measure IDP call count during a policy bump before and after.\nDepends on / blocked by: getOrLoad landed (D5); the D8 parallelization commit (to avoid two performance changes in one measurement).\nPros / cons:\nA) Add to TODOS.md (recommended)\n ✅ Fix has a named home (getOrLoad) and a named trigger (policy-version bump burst) for whoever picks it up\n ✅ No change to any approved scope on this branch\n ❌ Not persisted while in plan mode; the IDP burst remains until someone picks it up\nB) Skip — not valuable enough\n ✅ Keeps the TODO list focused if policy bumps are rare and tenants are small\n ✅ Nothing to maintain\n ❌ Existing IDP burst cost stays unrecorded\nC) Build it now in this branch\n ✅ Small once getOrLoad exists; removes a real burst cost immediately\n ✅ Concurrency test can share fixtures with the D3 guard test\n ❌ Adds behavior to a reorganization branch and reopens R4's accepted scope\nNet: one paragraph now versus an unrecorded burst cost.": "A) Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
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||||
"answeredAt": "2026-09-16T20:35:24.836Z"
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||||
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||||
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||||
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||||
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|
||||
"question": "D11 — Where next after the engineering review?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), Eng Review CLEAR, 0 unresolved decisions.\nELI10: The engineering review is done and every decision is locked. You can either go implement the nine tasks now, or first run a CEO-style review that asks whether this refactor is the right thing to spend time on at all (scope, sequencing, business value) before anyone writes code. There is no UI in this plan, so a design review does not apply.\nStakes if we pick wrong: implementing first risks a week of auth work that a strategy pass would have re-sequenced; reviewing first costs one more session before code moves.\nRecommendation: B because the plan author already framed this as a behavior-preserving reorganization with clear engineering value, and the scope was cut at D1 — the remaining risk is execution, not strategy.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Run /plan-ceo-review first\n ✅ Independent check that a 9-task auth refactor is the highest-value use of this branch right now\n ✅ Can re-sequence tasks against product priorities before code is written\n ❌ Another review session before any code moves; the engineering decisions are already locked\nB) Ready to implement — leave plan mode (recommended)\n ✅ All ten decisions approved and logged; T1–T9 are ordered with lanes for parallel worktrees\n ✅ Characterization suite (T1) is the first task, so the regression contract exists before any rewrite\n ❌ No strategic second opinion; codex outside review was disabled so this was Claude-only\nNet: strategy pass versus starting T1 today.",
|
||||
"header": "Next step",
|
||||
"options": [
|
||||
{
|
||||
"label": "B) Ready to implement (recommended)",
|
||||
"description": "Leave plan mode; start with T1 (characterization suite) and the two TODOS.md entries."
|
||||
},
|
||||
{
|
||||
"label": "A) /plan-ceo-review first",
|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
"D11 — Where next after the engineering review?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), Eng Review CLEAR, 0 unresolved decisions.\nELI10: The engineering review is done and every decision is locked. You can either go implement the nine tasks now, or first run a CEO-style review that asks whether this refactor is the right thing to spend time on at all (scope, sequencing, business value) before anyone writes code. There is no UI in this plan, so a design review does not apply.\nStakes if we pick wrong: implementing first risks a week of auth work that a strategy pass would have re-sequenced; reviewing first costs one more session before code moves.\nRecommendation: B because the plan author already framed this as a behavior-preserving reorganization with clear engineering value, and the scope was cut at D1 — the remaining risk is execution, not strategy.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\nA) Run /plan-ceo-review first\n ✅ Independent check that a 9-task auth refactor is the highest-value use of this branch right now\n ✅ Can re-sequence tasks against product priorities before code is written\n ❌ Another review session before any code moves; the engineering decisions are already locked\nB) Ready to implement — leave plan mode (recommended)\n ✅ All ten decisions approved and logged; T1–T9 are ordered with lanes for parallel worktrees\n ✅ Characterization suite (T1) is the first task, so the regression contract exists before any rewrite\n ❌ No strategic second opinion; codex outside review was disabled so this was Claude-only\nNet: strategy pass versus starting T1 today.": "B) Ready to implement (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T20:41:58.524Z"
|
||||
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|
||||
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|
||||
"report": "# Plan: Multi-tenant Auth Refactor — Reviewed Implementation Plan\n\nReviewed target: `PLAN.md` (\"Plan: Multi-tenant Auth Refactor\") in `/tmp/g-6jt867_i/gstack-paid-shard-Lij831/tmp/gstack-plan-count-WtrIYR`, branch `main`, commit `5c885d6`.\nReview: `/plan-eng-review`, 2026-09-16. Evidence base: the plan text only — the repository contains no source or tests, so every finding cites `PLAN.md:line` and marks runtime behavior unknown where the plan does not state it.\n\n## Context\nThe goal is to reorganize existing tenant-auth orchestration without changing\nits product behavior (`PLAN.md:8-9`). The per-request access decision takes\nalready-fetched claims plus tenant/request context and returns allow or deny\nunder the existing access policy; `AuthBroker.validateAndDispatch()` calls it\nafter validation and before dispatch. It adds no policy, network call, cache\nmutation or state (`PLAN.md:9-13`).\n\n## Existing contracts retained (unchanged)\nThe existing cache adapter keys entries by tenant ID, issuer, audience, and\npolicy version. It evicts expired tokens and invalidates entries on logout,\ntoken revocation, or tenant suspension. `AuthCache` retains these validity and\ntenant-key rules unchanged; the adapter does not serialize mutations.\n`AuthCache` is a service-facing facade over that same existing adapter, with\none backing cache. The adapter, its invalidation hooks, and their existing\ntests remain in use unchanged (`PLAN.md:16-22`).\n\n## Architecture (amended by D1)\nStructure chosen at D1 (scope reduced): **3 units**, not 5 classes.\n\n| Unit | Kind | Responsibility |\n|---|---|---|\n| `AuthBroker` | class | `validateAndDispatch()`: validate token, call `decideAccess`, dispatch |\n| `SessionMint` | class | mint/refresh sessions; reads and writes the cache through `AuthCache` |\n| `AuthCache` | class | the one service-facing facade over the existing adapter; absorbs `TokenStore` |\n| `decideAccess(claims, ctx)` | pure function (policy module) | the former `RequestPolicy`; no state, no I/O |\n\n- `RequestPolicy` is not a class: the plan describes it as stateless with no side effects (`PLAN.md:12-13`), so it ships as a pure exported function.\n- `TokenStore` is folded into `AuthCache`: the plan gives it no responsibility distinct from the facade over the one backing cache (`PLAN.md:20-21, 45`). Upgrade trigger: if implementation finds a responsibility the adapter does not own (e.g. refresh-token persistence), split it back out as a plain module and record the reason.\n\n### Wiring (D2, approved)\nOne composition root creates a single `AuthCache(adapter)` and passes it to\n`new AuthBroker(cache, ...)` and `new SessionMint(cache, ...)`. No module-level\nexport of the instance. Tests construct their own `AuthCache` over a fake adapter.\n\n### Concurrent-mutation guard (D3, approved)\n`AuthCache` keeps a per-tenant invalidation generation. Every invalidation hook\n(logout, revocation, suspension) bumps it. `put()` carries the generation\nobserved at read time and is dropped if the tenant's generation has advanced.\nA dropped write degrades to a cache miss (one extra IDP call), never to a stale\nallow. Facade-internal; the adapter is unchanged. Prune a tenant's generation\nentry when the tenant is deleted so the map stays O(active tenants).\n\n### Single miss path (D5, approved)\n`AuthCache.getOrLoad(key, loader)`: read; on miss call `loader`; write through\nthe generation guard. Both `AuthBroker` and `SessionMint` use it; the key rule\n(tenant ID + issuer + audience + policy version) is built in exactly one place.\n\n### Request flow\n```\n request(token, tenantCtx)\n │\n ▼\n AuthBroker.validateAndDispatch()\n │\n ├─► AuthCache.getOrLoad(key(tenant,issuer,aud,policyVer), loader)\n │ │ hit ──────────────────────────────► claims\n │ │ miss ─► loader: IDP validation calls ─► claims\n │ │ (5 calls; sequential until the D8 commit,\n │ │ then Promise.all fail-fast)\n │ └─ put(claims, genSeen) ─ dropped if tenant gen advanced (D3)\n │\n ├─► decideAccess(claims, tenantCtx) pure; allow | deny\n │\n ├─ allow ─► dispatch(request)\n └─ deny ─► explicit deny outcome\n any throw ─► single catch: error map (D4)\n ValidationError → deny 401 + log{tenant,reqId}\n PolicyDenied → deny 403 + log\n IdpUnavailable → 503 retryable + log\n unknown → deny + re-throw + log\n\n SessionMint.mint()/refresh() ─► AuthCache.getOrLoad(...) (same path, same guard)\n\n invalidation hooks (logout | revoke | suspend tenant)\n └─► adapter.invalidate(...) + AuthCache.bumpGeneration(tenant)\n```\n\n## Code quality (Line truncated
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-37
@@ -1,37 +0,0 @@
|
||||
/** Existing application boundary. Admission already authenticates the identity
|
||||
* and binds it to the tenant; this internal refactor does not change admission. */
|
||||
export type Identity = Readonly<{ tenantId: string; subjectId: string }>;
|
||||
export const POLICIES = ['account', 'tenant', 'device', 'network', 'resource'] as const;
|
||||
export type Policy = typeof POLICIES[number];
|
||||
export type Session = { id: string; expiresAt: number };
|
||||
export interface Platform {
|
||||
// Five independent, read-only policy verdicts for the same verified identity.
|
||||
// The existing client enforces a 500ms deadline on each call and rejects on
|
||||
// transport/protocol failure. No verdict supplies input to another policy.
|
||||
// A call may also throw before returning a Promise. Preserve the legacy
|
||||
// AuthFailure mapping and policy-order precedence for both failure forms.
|
||||
checkPolicy(identity: Identity, policy: Policy): Promise<boolean>;
|
||||
// The existing session service owns opaque IDs, one-hour expiry, revocation,
|
||||
// and storage. Renewal is an explicit caller action, never implicit here.
|
||||
issueSession(identity: Identity): Promise<Session>;
|
||||
}
|
||||
export class AuthFailure extends Error {
|
||||
constructor(readonly code: 'denied' | 'provider_unavailable' | 'session_unavailable', options?: ErrorOptions) {
|
||||
super(code, options);
|
||||
}
|
||||
}
|
||||
|
||||
// Preserve public outcomes, failure ordering and the Platform adapter contracts.
|
||||
// Current implementation: no shared memoization, automatic retries, cancellation
|
||||
// or single-flight work. This describes today's code, not the refactor's design.
|
||||
// The caller maps denied to 403 and dependency failures to 503.
|
||||
export async function legacyAuthFlow(identity: Identity, platform: Platform): Promise<Session> {
|
||||
for (const policy of POLICIES) {
|
||||
let allowed: boolean;
|
||||
try { allowed = await platform.checkPolicy(identity, policy); }
|
||||
catch (cause) { throw new AuthFailure('provider_unavailable', { cause }); }
|
||||
if (!allowed) throw new AuthFailure('denied');
|
||||
}
|
||||
try { return await platform.issueSession(identity); }
|
||||
catch (cause) { throw new AuthFailure('session_unavailable', { cause }); }
|
||||
}
|
||||
@@ -1,8 +0,0 @@
|
||||
{
|
||||
"name": "existing-auth-fixture",
|
||||
"private": true,
|
||||
"type": "module",
|
||||
"scripts": {
|
||||
"test": "bun test"
|
||||
}
|
||||
}
|
||||
-170
@@ -1,170 +0,0 @@
|
||||
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|
||||
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||||
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||||
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||||
"startSource": "Actual parent job startedAt; conservative bound before owned native question answers",
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||||
"endSource": "Actual observation capture.at"
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||||
},
|
||||
"projection": "Four exact completed seed calls. Assistant narration omitted in compact controls to prevent unrelated valid prose from masking missing plan evidence. Report blocks are exact unchanged public strings."
|
||||
},
|
||||
"required": "## Tests (D9-6A: all gaps written alongside the code)\nNo test framework is detectable in this repo snapshot. Match the project's\nexisting convention when implementing; requirements below are framework-\nneutral.\n\n**CRITICAL (regression rule, mandatory):** `legacyAuthFlow` golden-master.\nCapture current outputs for success / expired / revoked / wrong-tenant /\nlogout inputs BEFORE any change, assert identical behaviour after the\nrewrite and after the `validateToken` extraction. What broke otherwise:\nthe legacy path is modified in place with no existing coverage.",
|
||||
"task": "- [ ] **T1 (P1, human: ~2h / CC: ~10min)** — legacy — Capture golden-master regression fixtures for legacyAuthFlow before any change\n - Surfaced by: Tests — regression rule, PLAN.md:27-28\n - Files: auth/legacy/ tests\n - Verify: fixtures pass against untouched legacy; rerun after every later task",
|
||||
"verification": "## Verification\n1. Run T1 fixtures before touching anything; they must pass.\n2. After each task, rerun the full suite plus T1 fixtures.\n3. Flip the flag on for one internal tenant in staging; walk the four E2E\n journeys; check logs show tenant-tagged typed errors only where induced.\n4. Confirm login latency on a cold cache is one IDP round trip, not five.\n5. Confirm a suspended tenant is rejected on the very next request with\n the flag on and with it off.",
|
||||
"reviewReport": "## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |\n| Outside Review | codex via `/plan-eng-review` (host: claude, phase: plan-review) | Independent 2nd opinion | 1 | disabled | skipped, 0 findings |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | CLEAR (PLAN) | 39 issues, 0 critical gaps, mode SCOPE_REDUCED |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |\n\n- **OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (codex_reviews=disabled), source none, 0 findings. No native fallback dispatched; disabled is an intentional opt-out, not missing coverage to backfill.\n- **VERDICT:** ENG CLEARED — ready to implement (commit 760555a, 2026-09-10).\n\nNO UNRESOLVED DECISIONS\n",
|
||||
"transcript": {
|
||||
"status": "ready",
|
||||
"calls": [
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||||
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 — Enable cross-project learnings? Project/branch/task: main, Multi-tenant Auth Refactor plan. ELI10: gstack can search learnings saved from your other projects on this machine to spot patterns that apply here. Nothing leaves the machine. Stakes if we pick wrong: enabling on a machine with multiple client codebases could mix contexts; disabling loses reusable pitfalls. Recommendation: A because this is a local, solo-style environment with no client separation signals. Note: options differ in kind, not coverage — no completeness score.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project learnings (recommended)",
|
||||
"description": "✅ Past pitfalls from other repos on this machine inform this review. ✅ Stays local, no network. ❌ Could surface irrelevant learnings from unrelated codebases."
|
||||
},
|
||||
{
|
||||
"label": "Keep learnings project-scoped only",
|
||||
"description": "✅ No cross-contamination between client codebases. ✅ Smaller, more targeted learning set. ❌ Loses reusable auth/caching pitfalls found elsewhere."
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"question": "D3 — Scope: 12 files and 4 new classes trips the complexity gate. Reduce or proceed? Project/branch/task: main, Multi-tenant Auth Refactor (PLAN.md:34-36). ELI10: the plan adds TokenStore, SessionMint, AuthCache and RequestPolicy. AuthCache is a facade over the existing cache adapter, and TokenStore has no stated job the adapter does not already do. RequestPolicy reads like data plus a check, not a class. More moving parts means more places for tenant-isolation bugs to hide. Stakes if we pick wrong: over-reduce and you cram two responsibilities into one class; proceed as-is and you ship a parallel token store next to the cache you promised to keep. Recommendation: A because it keeps the two real services and the facade while removing the duplicate store, matching the plan's own 'one backing cache' contract. Note: options differ in kind, not coverage — no completeness score.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Reduce: drop TokenStore, RequestPolicy as module fn (recommended)",
|
||||
"description": "✅ One backing cache, as PLAN.md:11-12 already promises; no parallel token store to drift. ✅ Fewer files (est. 8-9) and 2 new classes plus a facade, under the smell threshold. ❌ If TokenStore had a real distinct job (e.g. refresh-token persistence), it must be re-justified in the plan. (human: ~1 day less / CC: ~10 min less)"
|
||||
},
|
||||
{
|
||||
"label": "B) Proceed as-is: 4 classes, 12 files",
|
||||
"description": "✅ No re-planning; every named component ships as designed. ✅ Keeps whatever unstated reason TokenStore exists for. ❌ Two stores for token state invites stale reads and inconsistent invalidation across tenants. (human: ~3 days / CC: ~45 min)"
|
||||
},
|
||||
{
|
||||
"label": "C) Reduce harder: single AuthService, no new classes beyond facade",
|
||||
"description": "✅ Smallest possible diff and one place to audit tenant isolation. ✅ Easiest to reason about at 3am. ❌ Broker and mint have different lifecycles and callers; merging them recreates the god-object the refactor is trying to escape. (human: ~1.5 days / CC: ~20 min)"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 — Enable cross-project learnings? Project/branch/task: main, Multi-tenant Auth Refactor plan. ELI10: gstack can search learnings saved from your other projects on this machine to spot patterns that apply here. Nothing leaves the machine. Stakes if we pick wrong: enabling on a machine with multiple client codebases could mix contexts; disabling loses reusable pitfalls. Recommendation: A because this is a local, solo-style environment with no client separation signals. Note: options differ in kind, not coverage — no completeness score.": "Enable cross-project learnings (recommended)",
|
||||
"D3 — Scope: 12 files and 4 new classes trips the complexity gate. Reduce or proceed? Project/branch/task: main, Multi-tenant Auth Refactor (PLAN.md:34-36). ELI10: the plan adds TokenStore, SessionMint, AuthCache and RequestPolicy. AuthCache is a facade over the existing cache adapter, and TokenStore has no stated job the adapter does not already do. RequestPolicy reads like data plus a check, not a class. More moving parts means more places for tenant-isolation bugs to hide. Stakes if we pick wrong: over-reduce and you cram two responsibilities into one class; proceed as-is and you ship a parallel token store next to the cache you promised to keep. Recommendation: A because it keeps the two real services and the facade while removing the duplicate store, matching the plan's own 'one backing cache' contract. Note: options differ in kind, not coverage — no completeness score.": "A) Reduce: drop TokenStore, RequestPolicy as module fn (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T08:00:33.281Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "50406da4-c6d6-4944-ba42-85b9d92a7f6e",
|
||||
"toolUseId": "toolu_01S7zMsPkmYQEdNBVLThq6dw",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — Issue 1 (Architecture): AuthBroker and SessionMint both mutate a module-level global AuthCache with no serialized writes. How do we fix the shared-state hazard? Project/branch/task: main, Multi-tenant Auth Refactor (PLAN.md:19-20, :10). ELI10: two services write to the same cache object that any importer can grab. The plan says the cache's rules 'do not serialize mutations', so a broker write and a mint write for the same tenant key can interleave. Result: one tenant's fresh token overwritten by a stale one, or an invalidation lost, and tests cannot isolate the cache between cases. Stakes if we pick wrong: a lost invalidation on tenant suspension means a suspended tenant keeps authenticating until TTL expiry. Recommendation: A because it hits the root cause once in the facade, keeps the diff small, and makes the cache injectable for tests. [P1] (confidence: 8/10). Completeness: A=9/10, B=6/10, C=3/10.",
|
||||
"header": "Arch #1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A) Inject AuthCache; facade owns per-key write serialization (recommended)",
|
||||
"description": "✅ Constructor injection: each service receives its AuthCache; no module-level mutable export, tests get a fresh instance. ✅ Facade serializes mutations per tenant key (async mutex / compare-and-set) so broker and mint cannot interleave; invalidation always wins over a stale set. ❌ Adds a small mutex utility and a composition root that wires both services. (human: ~1 day / CC: ~20 min)"
|
||||
},
|
||||
{
|
||||
"label": "1B) Keep global export, add per-key mutex inside AuthCache only",
|
||||
"description": "✅ Fixes the interleaving without touching service constructors. ✅ Smallest change to call sites. ❌ Global remains: any module can import and mutate it, and tests share state across cases unless they reset the singleton. (human: ~half day / CC: ~10 min)"
|
||||
},
|
||||
{
|
||||
"label": "1C) Do nothing; document that callers must not write concurrently",
|
||||
"description": "✅ Zero code change now. ✅ Fine if traffic is strictly single-writer, which the plan does not establish. ❌ A comment does not stop a 3am race; the lost-invalidation failure is silent and tenant-scoped. (human: ~0 / CC: ~0)"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — Issue 1 (Architecture): AuthBroker and SessionMint both mutate a module-level global AuthCache with no serialized writes. How do we fix the shared-state hazard? Project/branch/task: main, Multi-tenant Auth Refactor (PLAN.md:19-20, :10). ELI10: two services write to the same cache object that any importer can grab. The plan says the cache's rules 'do not serialize mutations', so a broker write and a mint write for the same tenant key can interleave. Result: one tenant's fresh token overwritten by a stale one, or an invalidation lost, and tests cannot isolate the cache between cases. Stakes if we pick wrong: a lost invalidation on tenant suspension means a suspended tenant keeps authenticating until TTL expiry. Recommendation: A because it hits the root cause once in the facade, keeps the diff small, and makes the cache injectable for tests. [P1] (confidence: 8/10). Completeness: A=9/10, B=6/10, C=3/10.": "1A) Inject AuthCache; facade owns per-key write serialization (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T08:01:06.883Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "50406da4-c6d6-4944-ba42-85b9d92a7f6e",
|
||||
"toolUseId": "toolu_01TRybLhHgvxF9LMQcKQN6yh",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 — Issue 4 (Code Quality): validateAndDispatch() is 60 lines with three nested try/catch blocks, each swallowing a different error class. Restructure? Project/branch/task: main, Multi-tenant Auth Refactor (PLAN.md:23-24). ELI10: an auth function that swallows errors turns 'the IDP timed out' and 'this token is forged' into the same silent no-op. Nested catches also make it impossible to test one failure without setting up the two outer ones. Flatten it into named steps, one error boundary, and an explicit error-to-outcome map, and every failure becomes a typed, logged, testable result. Stakes if we pick wrong: a forged-token rejection that is swallowed looks identical to a network blip, and nobody pages on it. Recommendation: A because it is the explicit-over-clever version, removes the triple-nested duplication, and each step becomes a unit-testable pure function. [P1] (confidence: 8/10). Completeness: A=9/10, B=6/10, C=2/10.",
|
||||
"header": "Quality #4",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "4A) Flatten: named steps + one boundary + typed error map, never swallow (recommended)",
|
||||
"description": "✅ Split into parseRequest / validateToken / evaluatePolicy / dispatch; one try/catch at the top maps known error classes to a discriminated AuthOutcome and rethrows unknowns. ✅ Every error class is logged with tenant ID and gets its own unit test; no catch is empty. ❌ The rewrite touches every caller that relied on the old silent behaviour; they must handle the returned outcome. (human: ~1 day / CC: ~20 min)"
|
||||
},
|
||||
{
|
||||
"label": "4B) Keep structure, add logging inside each catch",
|
||||
"description": "✅ Minimal diff; errors stop being invisible. ✅ No caller changes. ❌ Still 60 lines of nesting, still three copies of catch logic, still untestable in isolation. (human: ~1h / CC: ~5 min)"
|
||||
},
|
||||
{
|
||||
"label": "4C) Do nothing",
|
||||
"description": "✅ Zero effort. ✅ The function is already in production shape. ❌ Swallowed auth errors are the textbook silent failure this review exists to catch. (human: ~0 / CC: ~0)"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 — Issue 4 (Code Quality): validateAndDispatch() is 60 lines with three nested try/catch blocks, each swallowing a different error class. Restructure? Project/branch/task: main, Multi-tenant Auth Refactor (PLAN.md:23-24). ELI10: an auth function that swallows errors turns 'the IDP timed out' and 'this token is forged' into the same silent no-op. Nested catches also make it impossible to test one failure without setting up the two outer ones. Flatten it into named steps, one error boundary, and an explicit error-to-outcome map, and every failure becomes a typed, logged, testable result. Stakes if we pick wrong: a forged-token rejection that is swallowed looks identical to a network blip, and nobody pages on it. Recommendation: A because it is the explicit-over-clever version, removes the triple-nested duplication, and each step becomes a unit-testable pure function. [P1] (confidence: 8/10). Completeness: A=9/10, B=6/10, C=2/10.": "4A) Flatten: named steps + one boundary + typed error map, never swallow (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T08:02:33.163Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "50406da4-c6d6-4944-ba42-85b9d92a7f6e",
|
||||
"toolUseId": "toolu_018cGG1hJKWcWTjc3Ba994fX",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 — Issue 7 (Performance): token validation makes 5 sequential IDP round trips; the plan notes Promise.all would work but does not commit to it or define failure semantics. How should validateToken() fan out? Project/branch/task: main, Multi-tenant Auth Refactor (PLAN.md:31-32). ELI10: five calls in a row means login latency is five IDP round trips stacked. Running them at once cuts that to the slowest single call. But parallel calls need rules: if one fails, do the others keep burning IDP quota? How long do we wait? Stakes if we pick wrong: either login stays 5x slower than it needs to be, or a flaky IDP produces hung requests and quota burn. Recommendation: A because every one of the five results is required (a token is valid only if all checks pass), so fail-fast is correct, and cancelling the rest plus a bounded timeout is a few lines. [Layer 1] [P2] (confidence: 8/10). Completeness: A=9/10, B=6/10, C=4/10.",
|
||||
"header": "Perf #7",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "7A) Promise.all + shared AbortController + per-call timeout; cache hit skips IDP (recommended)",
|
||||
"description": "✅ Latency drops from 5 sequential to 1 slowest call; first failure aborts the remaining four and returns a typed error. ✅ Broker checks the tenant cache first so hot paths never touch the IDP. ❌ Needs the IDP client to honour abort signals; verify before relying on cancellation. (human: ~half day / CC: ~10 min)"
|
||||
},
|
||||
{
|
||||
"label": "7B) Bare Promise.all, no abort, no timeout",
|
||||
"description": "✅ Trivial change, exactly what the plan hints at. ✅ Same latency win on the happy path. ❌ On one failure the other four keep running; on a hung IDP the request hangs with them. (human: ~15 min / CC: ~2 min)"
|
||||
},
|
||||
{
|
||||
"label": "7C) Keep sequential, rely on cache hits to hide latency",
|
||||
"description": "✅ No concurrency to reason about; simplest failure story. ✅ Fine if cache hit rate is very high. ❌ Every cold login and every post-invalidation request pays the full 5x. (human: ~0 / CC: ~0)"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 — Issue 7 (Performance): token validation makes 5 sequential IDP round trips; the plan notes Promise.all would work but does not commit to it or define failure semantics. How should validateToken() fan out? Project/branch/task: main, Multi-tenant Auth Refactor (PLAN.md:31-32). ELI10: five calls in a row means login latency is five IDP round trips stacked. Running them at once cuts that to the slowest single call. But parallel calls need rules: if one fails, do the others keep burning IDP quota? How long do we wait? Stakes if we pick wrong: either login stays 5x slower than it needs to be, or a flaky IDP produces hung requests and quota burn. Recommendation: A because every one of the five results is required (a token is valid only if all checks pass), so fail-fast is correct, and cancelling the rest plus a bounded timeout is a few lines. [Layer 1] [P2] (confidence: 8/10). Completeness: A=9/10, B=6/10, C=4/10.": "7A) Promise.all + shared AbortController + per-call timeout; cache hit skips IDP (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T08:04:27.601Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": [],
|
||||
"planReadyRequests": []
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||||
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|
||||
}
|
||||
-150
@@ -1,150 +0,0 @@
|
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||||
"provenance": "Exact public successful Write and ExitPlanMode plan text; selected native answered questions. Compact report joins exact blocks under original section headings. No direct-file freshness or approval claim.",
|
||||
"calls": [
|
||||
{
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||||
"sessionId": "6bcd4c4d-8b17-44e5-807e-4adf4f7d9e31",
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|
||||
"questions": [
|
||||
{
|
||||
"header": "Scope",
|
||||
"question": "D3 \u2014 Complexity check fired: 12 files, 4 new classes. Reduce to the two classes that carry the feature, or proceed as planned?\nProject/branch/task: gstack-plan-count-vtSmzJ on main, Multi-tenant Auth Refactor (PLAN.md:34-36).\nELI10: The plan adds four classes, but only AuthBroker and SessionMint do anything the plan describes. AuthCache is a wrapper over a cache adapter that already keys by tenant, evicts, and invalidates (PLAN.md:7-13). TokenStore and RequestPolicy have no stated job anywhere in the plan. Every extra class is another place a tenant-isolation bug can hide and another file to test, and this touches auth, so blast radius is every tenant.\nStakes if we pick wrong: Too big and you ship two undefined classes that overlap the adapter; too small and you cut a class that had a real reason nobody wrote down.\nRecommendation: A because the plan cannot justify TokenStore or RequestPolicy in its own text, and the existing adapter already does what they imply. Matches your engineered-enough and right-sized-diff preferences.\nNote: options differ in kind, not coverage \u2014 no completeness score.",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Reduce: 2 classes (recommended)",
|
||||
"description": "Keep AuthBroker + SessionMint; inject the existing adapter directly; RequestPolicy becomes a plain type + pure function; drop TokenStore unless a gap is named. ~7-8 files. (human: saves ~2 days / CC: saves ~20 min) \u2705 Fewer moving parts around tenant isolation, each remaining piece has a stated job. \u2705 Existing adapter tests keep covering the cache path unchanged. \u274c If TokenStore had an undocumented purpose (e.g. refresh-token persistence) it must be re-argued later."
|
||||
},
|
||||
{
|
||||
"label": "B) Proceed as-is: 4 classes",
|
||||
"description": "Keep all four; the review will demand a one-line responsibility and a test file for each. (human: ~5 days / CC: ~40 min) \u2705 No re-planning; whatever design intent existed is preserved. \u2705 AuthCache facade can hide adapter API churn from the services. \u274c Two classes with no written responsibility, plus a facade duplicating the adapter, is the classic premature-abstraction smell you asked me to flag."
|
||||
},
|
||||
{
|
||||
"label": "C) Middle: 3 classes",
|
||||
"description": "Keep AuthBroker, SessionMint, and AuthCache as an injected facade; fold TokenStore and RequestPolicy into functions. ~9 files. (human: ~3.5 days / CC: ~30 min) \u2705 Services get one narrow cache surface instead of the whole adapter API. \u2705 Still removes the two undefined classes. \u274c A facade over one backing cache with unchanged rules is mostly pass-through code to maintain."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 \u2014 Complexity check fired: 12 files, 4 new classes. Reduce to the two classes that carry the feature, or proceed as planned?\nProject/branch/task: gstack-plan-count-vtSmzJ on main, Multi-tenant Auth Refactor (PLAN.md:34-36).\nELI10: The plan adds four classes, but only AuthBroker and SessionMint do anything the plan describes. AuthCache is a wrapper over a cache adapter that already keys by tenant, evicts, and invalidates (PLAN.md:7-13). TokenStore and RequestPolicy have no stated job anywhere in the plan. Every extra class is another place a tenant-isolation bug can hide and another file to test, and this touches auth, so blast radius is every tenant.\nStakes if we pick wrong: Too big and you ship two undefined classes that overlap the adapter; too small and you cut a class that had a real reason nobody wrote down.\nRecommendation: A because the plan cannot justify TokenStore or RequestPolicy in its own text, and the existing adapter already does what they imply. Matches your engineered-enough and right-sized-diff preferences.\nNote: options differ in kind, not coverage \u2014 no completeness score.": "A) Reduce: 2 classes (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T10:51:39.964Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "6bcd4c4d-8b17-44e5-807e-4adf4f7d9e31",
|
||||
"toolUseId": "toolu_01YRgsQDio1oQVDds1cNWBH8",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Cache owner",
|
||||
"question": "D4 \u2014 Issue 1: two services mutate one shared cache with no serialized writes. How should cache ownership work?\nProject/branch/task: gstack-plan-count-vtSmzJ on main, Multi-tenant Auth Refactor (PLAN.md:10, 19-20).\nELI10: AuthBroker and SessionMint both write into the same tenant-keyed cache, and the plan says nothing orders those writes. Realistic production failure: a tenant gets suspended, the invalidation hook clears its entries, and a SessionMint write that started a few milliseconds earlier lands after the clear. That suspended tenant now has a live cached session until the TTL expires. Nobody sees an error; the cache just quietly re-admits them. A module-level global also means every test shares state and you cannot construct a service with a fake cache.\nStakes if we pick wrong: Silent re-admission of a suspended or revoked tenant, plus test suites that pass or fail depending on run order.\nRecommendation: A because one writer plus a version check turns a silent race into an explicit, testable rule, and injection is the standard fix for module-level mutable state [Layer 1]. Maps to explicit over clever.\nCompleteness: A=10/10, B=7/10, C=3/10",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Inject + single writer + invalidation epoch (recommended)",
|
||||
"description": "Constructor-inject the existing adapter into both services. Only AuthBroker writes; SessionMint returns minted material to the broker, which stores it. Adapter set() takes the per-tenant invalidation epoch it read from, and drops the write if the epoch moved. Tests: write-after-invalidate race, cross-tenant key isolation, both services with a fake adapter. (human: ~1.5 days / CC: ~15 min) \u2705 Suspension and revocation win every race by construction, not by luck. \u2705 Every test builds its own cache; no shared global to reset. \u274c SessionMint gains a return-value contract instead of writing directly; slightly more plumbing."
|
||||
},
|
||||
{
|
||||
"label": "B) Inject only, keep two writers",
|
||||
"description": "Replace the module-level export with constructor injection but let both services keep writing. Tests: isolation and fake-adapter construction; no race test. (human: ~0.5 day / CC: ~5 min) \u2705 Removes the global and makes both services unit-testable in isolation. \u2705 Smallest diff from the current plan wording. \u274c The write-after-invalidate race stays open; suspension can still be undone by a late mint write."
|
||||
},
|
||||
{
|
||||
"label": "C) Keep module-level global as planned",
|
||||
"description": "Do nothing here; both services import and mutate the singleton. (human: 0 / CC: 0) \u2705 No plan change and no new contract between the two services. \u2705 Module cache already guarantees one instance, so no double-init bug. \u274c Race stays open and tests share mutable state across the whole suite."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 \u2014 Issue 1: two services mutate one shared cache with no serialized writes. How should cache ownership work?\nProject/branch/task: gstack-plan-count-vtSmzJ on main, Multi-tenant Auth Refactor (PLAN.md:10, 19-20).\nELI10: AuthBroker and SessionMint both write into the same tenant-keyed cache, and the plan says nothing orders those writes. Realistic production failure: a tenant gets suspended, the invalidation hook clears its entries, and a SessionMint write that started a few milliseconds earlier lands after the clear. That suspended tenant now has a live cached session until the TTL expires. Nobody sees an error; the cache just quietly re-admits them. A module-level global also means every test shares state and you cannot construct a service with a fake cache.\nStakes if we pick wrong: Silent re-admission of a suspended or revoked tenant, plus test suites that pass or fail depending on run order.\nRecommendation: A because one writer plus a version check turns a silent race into an explicit, testable rule, and injection is the standard fix for module-level mutable state [Layer 1]. Maps to explicit over clever.\nCompleteness: A=10/10, B=7/10, C=3/10": "A) Inject + single writer + invalidation epoch (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T10:52:40.165Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "6bcd4c4d-8b17-44e5-807e-4adf4f7d9e31",
|
||||
"toolUseId": "toolu_019Kj471tp4y9YEJs9Lj89gg",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Error flow",
|
||||
"question": "D6 \u2014 Issue 3: validateAndDispatch() nests three try/catch blocks that each swallow an error class. Restructure, or leave it?\nProject/branch/task: gstack-plan-count-vtSmzJ on main, Multi-tenant Auth Refactor (PLAN.md:23-24).\nELI10: In an auth path, a swallowed error is a fail-open bug waiting to happen: if token validation throws and the catch eats it, the code after the try still runs and may dispatch the request as if validation passed. Three nested catches also mean a reader cannot tell which failure ends up where. The fix is a flat pipeline of small steps (parse, validate, resolve policy, dispatch) where each step returns a typed result, and one boundary at the top maps each error class to an explicit outcome: reject, retry, or rethrow. Nothing is silently dropped.\nStakes if we pick wrong: A validation error that is caught and ignored lets a bad token through with no log line to show it happened.\nRecommendation: A because explicit over clever, and each mapped error class becomes one test case instead of one hidden branch.\nCompleteness: A=10/10, B=6/10, C=2/10",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Flat pipeline + one typed error boundary (recommended)",
|
||||
"description": "Split into 4 pure-ish steps returning a discriminated Result; one top-level boundary maps each error class to reject/retry/rethrow and logs with tenant + error class; unknown errors rethrow (fail closed). Tests: one per error class per step, unknown-error-rethrows, and success. Add an ASCII pipeline diagram in the service file header. (human: ~1 day / CC: ~10 min) \u2705 No path where a validation failure reaches dispatch. \u2705 Each catch becomes a named, individually tested branch. \u274c Larger diff than a patch; touches every caller expecting thrown errors."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep structure, stop swallowing",
|
||||
"description": "Leave the 60-line shape; make each catch log and rethrow or return an explicit failure. Tests: each catch path. (human: ~2 h / CC: ~3 min) \u2705 Small, mechanical change with immediate safety gain. \u2705 No caller contract change. \u274c Three nested catches remain unreadable; the next edit re-introduces a swallow."
|
||||
},
|
||||
{
|
||||
"label": "C) Leave as-is",
|
||||
"description": "No change; accept the current function. (human: 0 / CC: 0) \u2705 Zero risk of churn in code that currently works in production. \u2705 Nothing to re-test now. \u274c Fail-open on swallowed validation errors stays possible and untested."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 \u2014 Issue 3: validateAndDispatch() nests three try/catch blocks that each swallow an error class. Restructure, or leave it?\nProject/branch/task: gstack-plan-count-vtSmzJ on main, Multi-tenant Auth Refactor (PLAN.md:23-24).\nELI10: In an auth path, a swallowed error is a fail-open bug waiting to happen: if token validation throws and the catch eats it, the code after the try still runs and may dispatch the request as if validation passed. Three nested catches also mean a reader cannot tell which failure ends up where. The fix is a flat pipeline of small steps (parse, validate, resolve policy, dispatch) where each step returns a typed result, and one boundary at the top maps each error class to an explicit outcome: reject, retry, or rethrow. Nothing is silently dropped.\nStakes if we pick wrong: A validation error that is caught and ignored lets a bad token through with no log line to show it happened.\nRecommendation: A because explicit over clever, and each mapped error class becomes one test case instead of one hidden branch.\nCompleteness: A=10/10, B=6/10, C=2/10": "A) Flat pipeline + one typed error boundary (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T10:53:18.285Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "6bcd4c4d-8b17-44e5-807e-4adf4f7d9e31",
|
||||
"toolUseId": "toolu_01WPFDUDUejnksq6iFYYvYQt",
|
||||
"questions": [
|
||||
{
|
||||
"header": "IDP calls",
|
||||
"question": "D8 \u2014 Issue 5: five sequential IDP calls become Promise.all. Which failure semantics ship with it?\nProject/branch/task: gstack-plan-count-vtSmzJ on main, Multi-tenant Auth Refactor (PLAN.md:31-32).\nELI10: Running the five independent IDP calls at once cuts login latency to roughly the slowest single call instead of the sum. But Promise.all alone has two sharp edges in an auth path: if one call hangs, the whole login hangs forever with no timeout, and when one call rejects the other four keep running against the IDP with nobody listening. The complete version adds a shared timeout and abort signal so a hung call fails closed quickly and the others are cancelled, and it explicitly rejects Promise.allSettled because partial validation data must never count as validated.\nStakes if we pick wrong: Either logins hang until the load balancer gives up, or a partial-result branch quietly treats four out of five checks as good enough.\nRecommendation: A because fail-fast and fail-closed is the only correct posture for token validation [Layer 1], and a timeout is what makes it safe at 3am.\nCompleteness: A=10/10, B=6/10",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Promise.all + shared AbortSignal timeout, fail closed (recommended)",
|
||||
"description": "One AbortController per validation; timeout from config; any reject or abort -> typed validation failure through the D6 boundary; no Promise.allSettled. Tests: all resolve, one rejects, one hangs past timeout, abort propagates to remaining calls. (human: ~0.5 day / CC: ~5 min) \u2705 Latency drops to max(call) with a hard upper bound. \u2705 A hung IDP endpoint fails the login in seconds, not minutes, and the D6 boundary logs which call died. \u274c Abort plumbing must be threaded into the IDP client."
|
||||
},
|
||||
{
|
||||
"label": "B) Bare Promise.all as written",
|
||||
"description": "Wrap the five calls in Promise.all, no timeout, no abort. Tests: all resolve, one rejects. (human: ~1 h / CC: ~2 min) \u2705 Same latency win on the happy path. \u2705 Smallest possible change. \u274c A single hung call hangs every login; sibling calls keep hitting the IDP after the first failure."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 \u2014 Issue 5: five sequential IDP calls become Promise.all. Which failure semantics ship with it?\nProject/branch/task: gstack-plan-count-vtSmzJ on main, Multi-tenant Auth Refactor (PLAN.md:31-32).\nELI10: Running the five independent IDP calls at once cuts login latency to roughly the slowest single call instead of the sum. But Promise.all alone has two sharp edges in an auth path: if one call hangs, the whole login hangs forever with no timeout, and when one call rejects the other four keep running against the IDP with nobody listening. The complete version adds a shared timeout and abort signal so a hung call fails closed quickly and the others are cancelled, and it explicitly rejects Promise.allSettled because partial validation data must never count as validated.\nStakes if we pick wrong: Either logins hang until the load balancer gives up, or a partial-result branch quietly treats four out of five checks as good enough.\nRecommendation: A because fail-fast and fail-closed is the only correct posture for token validation [Layer 1], and a timeout is what makes it safe at 3am.\nCompleteness: A=10/10, B=6/10": "A) Promise.all + shared AbortSignal timeout, fail closed (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T10:54:16.506Z"
|
||||
}
|
||||
],
|
||||
"ordering": "2. **Golden regression tests for legacyAuthFlow (T3)** \u2014 pin current outputs\n per input class before any other code moves. CRITICAL, lands first.\n",
|
||||
"declaration": "- **CRITICAL \u2014 `auth/legacyAuthFlow.regression.test.ts` (T3, REGRESSION RULE, no approval needed):**\n golden tests for valid token, expired, wrong tenant, wrong audience,\n revoked, malformed. What broke: PLAN.md:27-28 rewrites the live auth path\n with no regression test; PLAN.md:15-16 says new coverage does not assert\n compatibility. These tests are the parity oracle for the D5 flag-off path.\n",
|
||||
"task": "- [ ] **T3 (P1, human: ~1 day / CC: ~10 min)** \u2014 auth/legacyAuthFlow tests \u2014 CRITICAL golden regression tests, land first\n - Surfaced by: Test review REGRESSION RULE \u2014 PLAN.md:27-28, PLAN.md:15-16\n - Files: auth/legacyAuthFlow.regression.test.ts\n - Verify: six input classes pinned; suite green against unmodified legacy code before any refactor commit\n",
|
||||
"reviewReport": "## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | \u2014 | \u2014 |\n| Outside Review | codex via `/plan-eng-review` (plan-review phase) | Independent 2nd opinion | 1 | disabled | none (skipped by config, no outside coverage) |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (SCOPE_REDUCED) | 31 issues (5 findings + 27 test gaps, all folded), 0 critical gaps |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | \u2014 | \u2014 |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | \u2014 | \u2014 |\n\n- **OUTSIDE COVERAGE:** provider codex, phase plan-review, host claude, outside_status disabled (codex_reviews=disabled). No outside findings; no native fallback dispatched because disabled is an intentional opt-out. Re-enable with `gstack-config set codex_reviews enabled`.\n- **VERDICT:** ENG CLEARED \u2014 ready to implement.\n\nNO UNRESOLVED DECISIONS\n",
|
||||
"compact": "## Implementation steps\n\n2. **Golden regression tests for legacyAuthFlow (T3)** \u2014 pin current outputs\n per input class before any other code moves. CRITICAL, lands first.\n\n### Test requirements\n\n- **CRITICAL \u2014 `auth/legacyAuthFlow.regression.test.ts` (T3, REGRESSION RULE, no approval needed):**\n golden tests for valid token, expired, wrong tenant, wrong audience,\n revoked, malformed. What broke: PLAN.md:27-28 rewrites the live auth path\n with no regression test; PLAN.md:15-16 says new coverage does not assert\n compatibility. These tests are the parity oracle for the D5 flag-off path.\n\n## Implementation Tasks\n\n- [ ] **T3 (P1, human: ~1 day / CC: ~10 min)** \u2014 auth/legacyAuthFlow tests \u2014 CRITICAL golden regression tests, land first\n - Surfaced by: Test review REGRESSION RULE \u2014 PLAN.md:27-28, PLAN.md:15-16\n - Files: auth/legacyAuthFlow.regression.test.ts\n - Verify: six input classes pinned; suite green against unmodified legacy code before any refactor commit\n\n## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | \u2014 | \u2014 |\n| Outside Review | codex via `/plan-eng-review` (plan-review phase) | Independent 2nd opinion | 1 | disabled | none (skipped by config, no outside coverage) |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (SCOPE_REDUCED) | 31 issues (5 findings + 27 test gaps, all folded), 0 critical gaps |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | \u2014 | \u2014 |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | \u2014 | \u2014 |\n\n- **OUTSIDE COVERAGE:** provider codex, phase plan-review, host claude, outside_status disabled (codex_reviews=disabled). No outside findings; no native fallback dispatched because disabled is an intentional opt-out. Re-enable with `gstack-config set codex_reviews enabled`.\n- **VERDICT:** ENG CLEARED \u2014 ready to implement.\n\nNO UNRESOLVED DECISIONS\n",
|
||||
"ledgerParityCab3": {
|
||||
"source": "cab3edc8b24f873b55f6edc6d98b60981eda52cb",
|
||||
"reportSha256": "ad044adff3258fd190536a08d9c8d2645772d5f4a234d4342ac917874901ecba",
|
||||
"originalOutcome": "timeout; mandatory legacy regression coverage absent",
|
||||
"plan": "# Current reviewed plan\n\n## Tests (revised)\n\nFramework: unknown in this fixture repo (no `package.json`, no test files). Names below assume a TypeScript runner (`*.test.ts`); match the real repo's convention.\n\nApproved test work:\n\n| Decision | Test file | Asserts |\n|---|---|---|\n| D9 | `auth/router.test.ts` | 4 branches: kill off \u2192 legacy; tenant unlisted \u2192 legacy; tenant missing \u2192 legacy + log; tenant listed \u2192 AuthBroker |\n| D7 | `auth/AuthCache.test.ts` | fresh instance per test; key = tenant+issuer+aud+policyVer; tenant A never returns tenant B entry; `set` only via `Writer` |\n| D8 | `auth/SessionMint.test.ts` | type-level: injected cache has no `set`; mint completing after `invalidate(tenant)` does not repopulate the entry |\n| D10 | `auth/validateAndDispatch.test.ts` | one test per `AuthResult` variant; unknown error propagates; `dispatch` not called on non-ok |\n| D13 | `auth/AuthBroker.test.ts` | cache hit \u2192 0 IDP calls; all-succeed \u2192 ok; one rejects \u2192 idp_unreachable; elapsed \u2248 max(call) not sum |\n| D14 | `auth/AuthBroker.test.ts` | deadline exceeded \u2192 idp_unreachable within ~3 s; first rejection aborts siblings (fake IDP asserts signal aborted) |\n| D11 CRITICAL | `auth/authBehavior.contract.test.ts` | parity suite: valid, expired, revoked, tenant suspended, IDP unreachable, missing tenant; asserts outcome + cache key written; parameterized over `legacyAuthFlow()` and `AuthBroker`; both green before any tenant is allowlisted |\n| D12 | `auth/auth.e2e.test.ts` | legacy login (tenant unlisted); v2 login (tenant listed); admin suspends tenant \u2192 next request denied; kill switch flipped mid-session \u2192 legacy serves |\n\nCoverage diagram (target state after this work):\n\n```\nCODE PATHS USER FLOWS\n[+] auth/router.ts [+] Login (tenant off list)\n \u2514\u2500\u2500 routeAuth: kill off | no tenant | unlisted | listed \u2514\u2500\u2500 [\u2192E2E] identical to today (parity D11 + E2E D12)\n[+] auth/AuthBroker.ts [+] Login (tenant on list)\n \u251c\u2500\u2500 validate: hit | miss\u2192x5 | one rejects | deadline | unknown \u251c\u2500\u2500 [\u2192E2E] success via AuthBroker\n \u2514\u2500\u2500 dispatch: ok | expired | revoked | idp_unreachable \u251c\u2500\u2500 expired \u2192 specific error\n[+] auth/SessionMint.ts \u251c\u2500\u2500 revoked \u2192 specific error\n \u251c\u2500\u2500 mint \u2192 session returned to AuthBroker \u2514\u2500\u2500 IDP down \u2192 idp_unreachable \u2264 3 s\n \u2514\u2500\u2500 type: no set() on injected cache [+] Admin suspends tenant\n[+] auth/AuthCache.ts \u251c\u2500\u2500 [\u2192E2E] next request denied\n \u251c\u2500\u2500 get/invalidate keyed by tenant|issuer|aud|policyVer \u2514\u2500\u2500 late mint does not repopulate (D8)\n \u251c\u2500\u2500 set() via Writer only [+] Rollback\n \u2514\u2500\u2500 tenant isolation \u251c\u2500\u2500 [\u2192E2E] kill switch \u2192 legacy, no forced logout\n[~] legacyAuthFlow() (unchanged) \u2514\u2500\u2500 remove tenant from list \u2192 that tenant on legacy\n \u2514\u2500\u2500 parity suite pins current behavior (D11) [+] Interaction edge cases\n[~] adapter + hooks: existing tests retained (\u2605\u2605\u2605) \u251c\u2500\u2500 double-submit: one mint, one set\n \u251c\u2500\u2500 session expires mid-request \u2192 expired\n \u2514\u2500\u2500 two tabs same tenant \u2192 cache hit\n\nCOVERAGE (pre-review): 1/29 paths tested (3%) | GAPS: 28 (4 E2E, 0 eval)\nCOVERAGE (planned): 29/29 paths (100%) once T1-T7 land | E2E: 4 | eval: none\n```\n\nRegression contract (D11): behavior to preserve = every `legacyAuthFlow()` outcome and its cache write for the six scenarios. Intentional differences in this PR: none.\n\n## Worktree parallelization strategy\n\n| Step | Modules touched | Depends on |\n|---|---|---|\n| T5 `AuthResult` type + `validate/dispatch` split | auth/ (validateAndDispatch) | \u2014 |\n| T2 `AuthCache` facade | auth/ (AuthCache) | \u2014 |\n| T3 `AuthBroker` + composition root | auth/ | T2, T5 |\n| T4 `SessionMint` | auth/ | T2 |\n| T1 router + flags | auth/ (router) | T3 |\n| T6 parity suite | auth/__tests__ or tests/ | legacy only at first; T3 to parameterize |\n| T7 E2E | tests/e2e | T1, T3, T4 |\n| T8 diagrams | auth/ headers | T1, T3, T5 |\n| T9 TODOS.md | repo root | after plan mode exits |\n\nLanes:\n- Lane A: T5 \u2192 T2 \u2192 T3 + T4 \u2192 T1 \u2192 T8 (Line truncated
|
||||
"parts": [
|
||||
"## Tests (revised)\n\nFramework: unknown in this fixture repo (no `package.json`, no test files). Names below assume a TypeScript runner (`*.test.ts`); match the real repo's convention.\n\nApproved test work:\n\n| Decision | Test file | Asserts |\n|---|---|---|\n| D9 | `auth/router.test.ts` | 4 branches: kill off \u2192 legacy; tenant unlisted \u2192 legacy; tenant missing \u2192 legacy + log; tenant listed \u2192 AuthBroker |\n| D7 | `auth/AuthCache.test.ts` | fresh instance per test; key = tenant+issuer+aud+policyVer; tenant A never returns tenant B entry; `set` only via `Writer` |\n| D8 | `auth/SessionMint.test.ts` | type-level: injected cache has no `set`; mint completing after `invalidate(tenant)` does not repopulate the entry |\n| D10 | `auth/validateAndDispatch.test.ts` | one test per `AuthResult` variant; unknown error propagates; `dispatch` not called on non-ok |\n| D13 | `auth/AuthBroker.test.ts` | cache hit \u2192 0 IDP calls; all-succeed \u2192 ok; one rejects \u2192 idp_unreachable; elapsed \u2248 max(call) not sum |\n| D14 | `auth/AuthBroker.test.ts` | deadline exceeded \u2192 idp_unreachable within ~3 s; first rejection aborts siblings (fake IDP asserts signal aborted) |\n| D11 CRITICAL | `auth/authBehavior.contract.test.ts` | parity suite: valid, expired, revoked, tenant suspended, IDP unreachable, missing tenant; asserts outcome + cache key written; parameterized over `legacyAuthFlow()` and `AuthBroker`; both green before any tenant is allowlisted |\n| D12 | `auth/auth.e2e.test.ts` | legacy login (tenant unlisted); v2 login (tenant listed); admin suspends tenant \u2192 next request denied; kill switch flipped mid-session \u2192 legacy serves |\n\nCoverage diagram (target state after this work):\n\n```\nCODE PATHS USER FLOWS\n[+] auth/router.ts [+] Login (tenant off list)\n \u2514\u2500\u2500 routeAuth: kill off | no tenant | unlisted | listed \u2514\u2500\u2500 [\u2192E2E] identical to today (parity D11 + E2E D12)\n[+] auth/AuthBroker.ts [+] Login (tenant on list)\n \u251c\u2500\u2500 validate: hit | miss\u2192x5 | one rejects | deadline | unknown \u251c\u2500\u2500 [\u2192E2E] success via AuthBroker\n \u2514\u2500\u2500 dispatch: ok | expired | revoked | idp_unreachable \u251c\u2500\u2500 expired \u2192 specific error\n[+] auth/SessionMint.ts \u251c\u2500\u2500 revoked \u2192 specific error\n \u251c\u2500\u2500 mint \u2192 session returned to AuthBroker \u2514\u2500\u2500 IDP down \u2192 idp_unreachable \u2264 3 s\n \u2514\u2500\u2500 type: no set() on injected cache [+] Admin suspends tenant\n[+] auth/AuthCache.ts \u251c\u2500\u2500 [\u2192E2E] next request denied\n \u251c\u2500\u2500 get/invalidate keyed by tenant|issuer|aud|policyVer \u2514\u2500\u2500 late mint does not repopulate (D8)\n \u251c\u2500\u2500 set() via Writer only [+] Rollback\n \u2514\u2500\u2500 tenant isolation \u251c\u2500\u2500 [\u2192E2E] kill switch \u2192 legacy, no forced logout\n[~] legacyAuthFlow() (unchanged) \u2514\u2500\u2500 remove tenant from list \u2192 that tenant on legacy\n \u2514\u2500\u2500 parity suite pins current behavior (D11) [+] Interaction edge cases\n[~] adapter + hooks: existing tests retained (\u2605\u2605\u2605) \u251c\u2500\u2500 double-submit: one mint, one set\n \u251c\u2500\u2500 session expires mid-request \u2192 expired\n \u2514\u2500\u2500 two tabs same tenant \u2192 cache hit\n\nCOVERAGE (pre-review): 1/29 paths tested (3%) | GAPS: 28 (4 E2E, 0 eval)\nCOVERAGE (planned): 29/29 paths (100%) once T1-T7 land | E2E: 4 | eval: none\n```\n\nRegression contract (D11): behavior to preserve = every `legacyAuthFlow()` outcome and its cache write for the six scenarios. Intentional differences in this PR: none.\n",
|
||||
"## Worktree parallelization strategy\n\n| Step | Modules touched | Depends on |\n|---|---|---|\n| T5 `AuthResult` type + `validate/dispatch` split | auth/ (validateAndDispatch) | \u2014 |\n| T2 `AuthCache` facade | auth/ (AuthCache) | \u2014 |\n| T3 `AuthBroker` + composition root | auth/ | T2, T5 |\n| T4 `SessionMint` | auth/ | T2 |\n| T1 router + flags | auth/ (router) | T3 |\n| T6 parity suite | auth/__tests__ or tests/ | legacy only at first; T3 to parameterize |\n| T7 E2E | tests/e2e | T1, T3, T4 |\n| T8 diagrams | auth/ headers | T1, T3, T5 |\n| T9 TODOS.md | repo root | after plan mode exits |\n\nLanes:\n- Lane A: T5 \u2192 T2 \u2192 T3 + T4 \u2192 T1 \u2192 T8 (sequential, shared `auth/`)\n- Lane B: T6 parity suite written against `legacyAuthFlow()` (independent: tests/ only), then parameterized over `AuthBroker` after Lane A's T3 merges\n- Lane C: T7 E2E (after A and B merge)\n- T9 anywhere (root only)\n\nExecution: launch A and B in parallel worktrees. Merge both. Then C.\nConflict flag: if the parity suite is placed under `auth/` instead of `tests/`, Lanes A and B both touch `auth/`; keep it under `tests/` or `auth/__tests__/` to avoid the merge conflict.\n",
|
||||
"## Implementation Tasks\nSynthesized from this review's findings. Each task derives from a specific\nfinding above. Run with Claude Code or Codex; checkbox as you ship.\n\n- [ ] **T1 (P1, human: ~3h / CC: ~10min)** \u2014 auth/router \u2014 Add `routeAuth()` with `AUTH_V2_ENABLED` kill switch and `AUTH_V2_TENANTS` allowlist; `legacyAuthFlow()` unchanged\n - Surfaced by: Scope Challenge S4 / Architecture A3 (D4, D9)\n - Files: `auth/router.ts`, `auth/router.test.ts`\n - Verify: 4 routing branch tests green\n- [ ] **T2 (P1, human: ~4h / CC: ~15min)** \u2014 auth/AuthCache \u2014 Create facade over the existing adapter with `Reader` (`get`, `invalidate`) and `Writer` (`set`) interfaces; no module-level export\n - Surfaced by: Architecture A1, A2 (D6, D7, D8)\n - Files: `auth/AuthCache.ts`, `auth/AuthCache.test.ts`\n - Verify: isolation + key + writer-only tests green; adapter tests untouched and green\n- [ ] **T3 (P1, human: ~1d / CC: ~30min)** \u2014 auth/AuthBroker \u2014 Implement with injected `Writer`; `validate()` returns `AuthResult`; `Promise.all` over 5 IDP calls with shared `AbortController` and 3 s deadline; composition root wires one cache\n - Surfaced by: Architecture A1/A4, Code quality C1, Performance P1/P2 (D7, D10, D13, D14)\n - Files: `auth/AuthBroker.ts`, `auth/AuthBroker.test.ts`, `auth/composition.ts`\n - Verify: hit=0 calls; one-rejects; deadline; sibling-abort; elapsed\u2248max tests green\n- [ ] **T4 (P1, human: ~4h / CC: ~15min)** \u2014 auth/SessionMint \u2014 Implement with injected `Reader` only; return minted session to `AuthBroker` for storage\n - Surfaced by: Architecture A2 (D8)\n - Files: `auth/SessionMint.ts`, `auth/SessionMint.test.ts`\n - Verify: type test (no `set`); late-mint-does-not-repopulate test green\n- [ ] **T5 (P1, human: ~1d / CC: ~20min)** \u2014 auth/validateAndDispatch \u2014 Split into `validate()` + `dispatch()`; map known errors to `AuthResult`; rethrow unknown; header diagram\n - Surfaced by: Code quality C1 (D10)\n - Files: `auth/validateAndDispatch.ts`, `auth/validateAndDispatch.test.ts`\n - Verify: one test per variant + unknown-propagates + no-dispatch-on-non-ok green\n- [ ] **T6 (P1, human: ~1.5d / CC: ~30min)** \u2014 tests/parity \u2014 Write `authBehavior.contract.test.ts` parameterized over `legacyAuthFlow()` and `AuthBroker`\n - Surfaced by: Test review T1 CRITICAL (D11)\n - Files: `auth/authBehavior.contract.test.ts` (or `tests/`)\n - Verify: six scenarios green for both implementations before any tenant is allowlisted\n- [ ] **T7 (P2, human: ~1d / CC: ~30min)** \u2014 tests/e2e \u2014 Write `auth.e2e.test.ts`: legacy login, v2 login, tenant suspension denial, kill-switch rollback mid-session\n - Surfaced by: Test review T2 (D12)\n - Files: `auth/auth.e2e.test.ts`\n - Verify: 4 flows green against IDP stub in CI\n- [ ] **T8 (P2, human: ~1h / CC: ~5min)** \u2014 docs \u2014 Header ASCII diagrams in `AuthBroker.ts`, `validateAndDispatch.ts`, `router.ts`\n - Surfaced by: Architecture A5, Code quality C4\n - Files: `auth/AuthBroker.ts`, `auth/validateAndDispatch.ts`, `auth/router.ts`\n - Verify: diagrams match the routing table and variant map\n- [ ] **T9 (P3, human: ~30min / CC: ~5min)** \u2014 TODOS.md \u2014 Create with the four approved entries below\n - Surfaced by: Final planning decisions D15-D18\n - Files: `TODOS.md`\n - Verify: file matches TODOS-format (What/Why/Context/Effort/Priority)\n\nEffort assumption: tests ~50x, features ~30x, architecture ~5x human\u00f7CC ratios, adjusted down for a 3-component auth change.\n\nJSONL artifact: `~/.gstack/projects/gstack-plan-count-Sr94jU/tasks-eng-review-20260915-192142.jsonl` (9 tasks).\n",
|
||||
"### R5: legacyAuthFlow() regression contract\nFinding: T1, P1 CRITICAL, 9/10, PLAN.md:14-16 (\"does not exercise legacyAuthFlow() or assert compatibility\") + PLAN.md:27-28, native reviewer\nPlan baseline: no regression coverage for legacyAuthFlow(); after D4 it is unchanged code called through a new router\nRuntime evidence: unknown; no source or tests in this repo\nState: approved\n\nComparison grid:\n\n| Choice | Current | A | B | C |\n|---|---|---|---|---|\n| R5 behavior to preserve | unstated | legacy success, expired, revoked, tenant-suspended, IDP-failure outcomes and side effects (cache writes, emitted events) | same | router passes args/result through unchanged |\n| R5 test shape | none | shared parity fixture `authBehavior.contract.test.ts` run against legacyAuthFlow() now and AuthBroker (both must pass) | characterization suite `legacyAuthFlow.test.ts` pinning current outputs only | one routing pass-through test |\n| Intentional differences | none in this PR (legacy unchanged, D4) | none | none | none |\n| Acceptance assertions | none | identical outcome + identical cache key written for each scenario, both impls | identical outcome + cache key for legacy | router calls legacy with same args, returns same result |\n| Router branch tests (D9) | approved work | carried | carried | carried |\n| R6 IDP parallelization tests | pending (Section 4) | pending | pending | pending |\n\nQuestion D11: Shared parity suite (recommended) / Characterization suite / Router pass-through only\nActual answer: Shared parity suite run against legacy AND AuthBroker (D11)\nAccepted scope: `authBehavior.contract.test.ts` with implementation-agnostic scenarios (valid, expired, revoked, tenant suspended, IDP unreachable, missing tenant ID) asserting outcome + cache key written; parameterized over `legacyAuthFlow()` and `AuthBroker`. Both must pass before any tenant enters `AUTH_V2_TENANTS`. Intentional differences: none in this PR.\nHistory: none\n"
|
||||
],
|
||||
"provenance": "Exact ordered current test declaration, execution lanes, complete task section and owned approved R5 ledger from the captured report. Full original report hash retained; this excerpt is not the full report."
|
||||
}
|
||||
}
|
||||
-39
@@ -1,39 +0,0 @@
|
||||
{
|
||||
"source": "90f099817ac7e56cddafbd6fdac4c12dfd70f4a4",
|
||||
"kind": "captured-public-native-input",
|
||||
"originalPaidOutcome": "pending at capture; this fixture assigns no paid result",
|
||||
"observationSha256": "91c51a298021193406ea2ad3563061193580a96d9da5761a5f337587f719a5c8",
|
||||
"captureAt": "2026-09-15T16:14:21.363Z",
|
||||
"call": {
|
||||
"sessionId": "8cb0e220-9725-4e5f-a661-26a09d18a235",
|
||||
"toolUseId": "toolu_01HoQT3mLxYW2nCAwcKW3xUd",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D13 \u2014 How should the five IDP validation calls be issued concurrently?\nProject/branch/task: Multi-tenant Auth Refactor on `main`; PLAN.md:31-32 proposes Promise.all over five independent IDP calls.\nELI10: Today the five checks run one after another, so login waits five round trips. Running them together cuts that to one round trip, which is the right idea. Promise.all does that, but if any one call fails it throws immediately and throws away the other four results, so the log can only say \"something failed\" and one slow IDP endpoint with no timeout leaves the user waiting forever. Promise.allSettled waits for all five, reports each one's outcome, and with a per-call timeout every call is bounded; the D9 classifier then names exactly which check failed.\nStakes if we pick wrong: Promise.all means the first IDP incident produces logs that say \"validation failed\" for every tenant with no hint which of five endpoints is down; no timeout means a hung IDP call hangs the login request.\nRecommendation: A because it is the same one-line change in shape, keeps the latency win, and turns \"something failed\" into \"the introspection call timed out at 2000 ms\".\nCompleteness: A=10/10, B=7/10, C=7/10\nNet: full per-call attribution and bounded waits vs. a slightly simpler primitive that hides which call broke.",
|
||||
"header": "R7 IDP calls",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Promise.allSettled + per-call timeout (default 2000 ms), classify each failure (recommended)",
|
||||
"description": "\u2705 Latency drops to ~1x the slowest call, and every rejection is named in the log with its call and tenant (human: ~3h / CC: ~10 min).\n\u2705 A hung IDP endpoint is bounded by the timeout instead of hanging the login request.\n\u274c Slightly more code: a settled-result mapper and a timeout wrapper; the 2000 ms default must be checked against the IDP's real p99."
|
||||
},
|
||||
{
|
||||
"label": "Promise.all as planned",
|
||||
"description": "\u2705 One-line change; the latency win is the same on the happy path.\n\u2705 Fewer lines than the settled mapper.\n\u274c First rejection discards the other four outcomes; no per-call timeout, so one slow endpoint stalls the login."
|
||||
},
|
||||
{
|
||||
"label": "Keep the five calls sequential",
|
||||
"description": "\u2705 Zero change; each call's failure is naturally attributed because they run in order.\n\u2705 Lowest instantaneous load on the IDP.\n\u274c Login latency stays ~5x a single round trip on every request."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D13 \u2014 How should the five IDP validation calls be issued concurrently?\nProject/branch/task: Multi-tenant Auth Refactor on `main`; PLAN.md:31-32 proposes Promise.all over five independent IDP calls.\nELI10: Today the five checks run one after another, so login waits five round trips. Running them together cuts that to one round trip, which is the right idea. Promise.all does that, but if any one call fails it throws immediately and throws away the other four results, so the log can only say \"something failed\" and one slow IDP endpoint with no timeout leaves the user waiting forever. Promise.allSettled waits for all five, reports each one's outcome, and with a per-call timeout every call is bounded; the D9 classifier then names exactly which check failed.\nStakes if we pick wrong: Promise.all means the first IDP incident produces logs that say \"validation failed\" for every tenant with no hint which of five endpoints is down; no timeout means a hung IDP call hangs the login request.\nRecommendation: A because it is the same one-line change in shape, keeps the latency win, and turns \"something failed\" into \"the introspection call timed out at 2000 ms\".\nCompleteness: A=10/10, B=7/10, C=7/10\nNet: full per-call attribution and bounded waits vs. a slightly simpler primitive that hides which call broke.": "Promise.allSettled + per-call timeout (default 2000 ms), classify each failure (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T16:09:23.575Z"
|
||||
}
|
||||
}
|
||||
-416
@@ -1,416 +0,0 @@
|
||||
{
|
||||
"status": "ORIGINAL_FAILED_CAPTURE_WITH_EXPLICIT_COUNTERFACTUAL",
|
||||
"transcript": {
|
||||
"status": "ready",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"toolUseId": "toolu_013nxBar6nJkkrwwvxys8yRa",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 \u2014 Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo, one-time gstack setup before the eng review of PLAN.md.\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules \u2014 a short table telling Claude which /skill to invoke for which kind of request (bugs \u2192 /investigate, architecture \u2192 /plan-eng-review, etc.). Without it you type skill names by hand each time. This is a setup question only; it approves nothing about the auth refactor plan.\nStakes if we pick wrong: Minor either way \u2014 missed auto-routing, or an extra section in CLAUDE.md you did not want. Plan mode is active, so any CLAUDE.md write and commit would happen after plan mode ends, not now.\nRecommendation: A because the routing table is small, boring, and saves a manual skill lookup on every future request.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: convenience of auto-routing vs. keeping CLAUDE.md exactly as it is.",
|
||||
"header": "Routing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add routing rules (recommended)",
|
||||
"description": "\u2705 Future requests auto-route to the right gstack skill without you naming it\n\u2705 One small appended section, committed as a single chore commit (after plan mode)\n\u274c Adds ~20 lines to CLAUDE.md that you may consider noise in a fixture repo"
|
||||
},
|
||||
{
|
||||
"label": "No thanks, invoke skills manually",
|
||||
"description": "\u2705 CLAUDE.md stays untouched; no extra commit on this branch\n\u2705 You keep explicit control of when a skill runs\n\u274c routing_declined is set once per project; you re-enable via gstack-config later"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 \u2014 Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo, one-time gstack setup before the eng review of PLAN.md.\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules \u2014 a short table telling Claude which /skill to invoke for which kind of request (bugs \u2192 /investigate, architecture \u2192 /plan-eng-review, etc.). Without it you type skill names by hand each time. This is a setup question only; it approves nothing about the auth refactor plan.\nStakes if we pick wrong: Minor either way \u2014 missed auto-routing, or an extra section in CLAUDE.md you did not want. Plan mode is active, so any CLAUDE.md write and commit would happen after plan mode ends, not now.\nRecommendation: A because the routing table is small, boring, and saves a manual skill lookup on every future request.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: convenience of auto-routing vs. keeping CLAUDE.md exactly as it is.": "Add routing rules (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T10:49:40.799Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"toolUseId": "toolu_01Hkuby74WwZmUX8gPh6f3t6",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 \u2014 Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main branch, one-time gstack setup before the eng review of PLAN.md (Multi-tenant Auth Refactor).\nELI10: gstack keeps a local notebook of lessons learned per project (pitfalls, command fixes, patterns). It can also read the notebooks of your OTHER projects on this machine to spot patterns that apply here. Nothing leaves your machine. This is a setup question; it approves nothing about the auth plan.\nStakes if we pick wrong: Enabled on a machine with multiple client codebases could surface one client's patterns while working on another. Disabled means this review only sees this project's (currently empty) learnings.\nRecommendation: A because this is a local, read-only search and the fixture repo has zero learnings of its own, so cross-project is the only source of prior signal.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: more prior context for reviews vs. strict per-project isolation.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project learnings (recommended)",
|
||||
"description": "\u2705 Past pitfalls from other local projects can inform this and future reviews\n\u2705 Stays local; no network, no data leaves the machine\n\u274c On multi-client machines, patterns from one codebase can leak into advice for another"
|
||||
},
|
||||
{
|
||||
"label": "Keep learnings project-scoped only",
|
||||
"description": "\u2705 Strict isolation between codebases; nothing from other projects appears here\n\u2705 Safe default if you consult for multiple clients on this machine\n\u274c This project has zero learnings today, so the review starts cold"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 \u2014 Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main branch, one-time gstack setup before the eng review of PLAN.md (Multi-tenant Auth Refactor).\nELI10: gstack keeps a local notebook of lessons learned per project (pitfalls, command fixes, patterns). It can also read the notebooks of your OTHER projects on this machine to spot patterns that apply here. Nothing leaves your machine. This is a setup question; it approves nothing about the auth plan.\nStakes if we pick wrong: Enabled on a machine with multiple client codebases could surface one client's patterns while working on another. Disabled means this review only sees this project's (currently empty) learnings.\nRecommendation: A because this is a local, read-only search and the fixture repo has zero learnings of its own, so cross-project is the only source of prior signal.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: more prior context for reviews vs. strict per-project isolation.": "Enable cross-project learnings (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T10:50:52.966Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"toolUseId": "toolu_01MT7i67F7CtzDMFMFEGxNsh",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 \u2014 Keep the legacyAuthFlow() rewrite in this PR, or split it into a follow-up behind the new services?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\": a behavior-preserving reorganization that also rewrites legacyAuthFlow() (PLAN.md:36-37) with no regression test planned.\nELI10: The plan does two things at once: build five new auth classes, AND rewrite the old login path (legacyAuthFlow) that real tenants use today. Doing both in one change means if anything breaks for a tenant, you cannot tell whether the new classes or the rewrite caused it. A strangler split lands the new services first (old path untouched), then swaps the old path in a second small PR once the new services are proven in production. This question is scope only: what work is in this PR. Regression coverage for whatever is touched gets its own decision in Test review.\nStakes if we pick wrong: Bundled: a tenant login outage with a 12-file diff to bisect and no clean rollback point. Split: one extra PR and a short window where old and new paths coexist.\nRecommendation: B because the plan's own goal is \"no product behavior change\"; the rewrite is the single riskiest step and it gets cheaper and safer once the new services exist and are exercised.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: one big diff with one deploy vs. two smaller diffs with a clean rollback boundary between them.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Split: defer rewrite to follow-up PR (recommended)",
|
||||
"description": "\u2705 This PR becomes purely additive; legacyAuthFlow() keeps serving tenants unchanged, so rollback is \"stop calling the new services\"\n\u2705 Follow-up PR is a small, reviewable swap once AuthBroker/SessionMint have run in prod (human: ~1 day / CC: ~20 min)\n\u274c Two code paths coexist briefly; the follow-up must actually get scheduled or the old path lingers"
|
||||
},
|
||||
{
|
||||
"label": "Bundle: rewrite legacyAuthFlow() in this PR",
|
||||
"description": "\u2705 One deploy, no interim dual-path state, no follow-up to track\n\u2705 Matches the plan as written; no re-planning of file boundaries\n\u274c A tenant auth regression lands with a 12-file diff and the new classes as suspects; bisecting under incident pressure is slow"
|
||||
},
|
||||
{
|
||||
"label": "Hold: discuss before deciding",
|
||||
"description": "\u2705 Stops here so you can supply context I lack (deploy cadence, who owns legacyAuthFlow, release freeze dates)\n\u2705 No scope changes applied; the plan stays exactly as written\n\u274c Review cannot proceed to findings until this resolves"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 \u2014 Keep the legacyAuthFlow() rewrite in this PR, or split it into a follow-up behind the new services?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\": a behavior-preserving reorganization that also rewrites legacyAuthFlow() (PLAN.md:36-37) with no regression test planned.\nELI10: The plan does two things at once: build five new auth classes, AND rewrite the old login path (legacyAuthFlow) that real tenants use today. Doing both in one change means if anything breaks for a tenant, you cannot tell whether the new classes or the rewrite caused it. A strangler split lands the new services first (old path untouched), then swaps the old path in a second small PR once the new services are proven in production. This question is scope only: what work is in this PR. Regression coverage for whatever is touched gets its own decision in Test review.\nStakes if we pick wrong: Bundled: a tenant login outage with a 12-file diff to bisect and no clean rollback point. Split: one extra PR and a short window where old and new paths coexist.\nRecommendation: B because the plan's own goal is \"no product behavior change\"; the rewrite is the single riskiest step and it gets cheaper and safer once the new services exist and are exercised.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: one big diff with one deploy vs. two smaller diffs with a clean rollback boundary between them.": "Split: defer rewrite to follow-up PR (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T10:51:47.113Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"toolUseId": "toolu_01WPZUtPv1ozdKpfozXg1MVA",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 \u2014 Class arrangement: keep all 5 new classes, or collapse to 3 (RequestPolicy as a pure function, TokenStore folded into AuthCache)?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; D3 already split the legacyAuthFlow() rewrite out, so this PR is the additive service layer only.\nELI10: The plan adds five classes (PLAN.md:44-45). Two look like classes for the sake of classes. RequestPolicy is described as stateless: \"given already-fetched claims and tenant/request context, it returns allow or deny... adds no policy, network call, cache mutation or state\" (PLAN.md:9-13). That is a function signature, not an object. TokenStore is named once (PLAN.md:44) with no described job, while AuthCache is \"a service-facing facade over that same existing adapter, with one backing cache\" (PLAN.md:20-21); two wrappers over one cache is a DRY smell. This question chooses structure only. The existing cache adapter contract (tenant/issuer/audience/policy-version keys, eviction and invalidation hooks, PLAN.md:16-22) stays fixed in every option. The singleton, try/catch, Promise.all and regression-test remedies stay pending for their own sections.\nStakes if we pick wrong: Too many classes: every future auth change touches more files and more mocks, and TokenStore vs AuthCache drift into two sources of truth for the same cache. Too few: if TokenStore actually holds a distinct responsibility the plan did not write down, folding it makes AuthCache a grab-bag.\nRecommendation: A because the plan's own text gives RequestPolicy no state and TokenStore no role; three classes plus one function covers every described responsibility with fewer seams to test.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: fewer moving parts and one cache wrapper vs. keeping the author's proposed boundaries in case TokenStore has an undocumented reason to exist.",
|
||||
"header": "Structure",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3 classes + 1 function (recommended)",
|
||||
"description": "\u2705 AuthBroker, SessionMint, AuthCache as classes; RequestPolicy becomes decideAccess(claims, ctx) in a policy module, trivially unit-testable with no mocks\n\u2705 One cache wrapper (AuthCache) over the one existing adapter; no TokenStore/AuthCache split-brain (human: ~0.5 day less / CC: ~10 min less)\n\u274c If TokenStore was meant to own something AuthCache should not (e.g. refresh-token persistence), that job must be named and placed explicitly during implementation"
|
||||
},
|
||||
{
|
||||
"label": "4 classes: drop TokenStore, keep RequestPolicy class",
|
||||
"description": "\u2705 Removes the duplicate cache wrapper while keeping RequestPolicy as an injectable seam for future policy variants\n\u2705 Smaller change to the author's proposal than option A\n\u274c A one-method stateless class is ceremony today; the seam buys nothing until a second policy exists"
|
||||
},
|
||||
{
|
||||
"label": "5 classes as proposed",
|
||||
"description": "\u2705 Matches the author's boundaries exactly; no re-planning of which file owns what\n\u2705 Keeps the option of TokenStore growing a distinct responsibility later\n\u274c Two wrappers over one backing cache and a stateless one-method class are both accidental complexity in a plan that promises no behavior change"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 \u2014 Class arrangement: keep all 5 new classes, or collapse to 3 (RequestPolicy as a pure function, TokenStore folded into AuthCache)?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; D3 already split the legacyAuthFlow() rewrite out, so this PR is the additive service layer only.\nELI10: The plan adds five classes (PLAN.md:44-45). Two look like classes for the sake of classes. RequestPolicy is described as stateless: \"given already-fetched claims and tenant/request context, it returns allow or deny... adds no policy, network call, cache mutation or state\" (PLAN.md:9-13). That is a function signature, not an object. TokenStore is named once (PLAN.md:44) with no described job, while AuthCache is \"a service-facing facade over that same existing adapter, with one backing cache\" (PLAN.md:20-21); two wrappers over one cache is a DRY smell. This question chooses structure only. The existing cache adapter contract (tenant/issuer/audience/policy-version keys, eviction and invalidation hooks, PLAN.md:16-22) stays fixed in every option. The singleton, try/catch, Promise.all and regression-test remedies stay pending for their own sections.\nStakes if we pick wrong: Too many classes: every future auth change touches more files and more mocks, and TokenStore vs AuthCache drift into two sources of truth for the same cache. Too few: if TokenStore actually holds a distinct responsibility the plan did not write down, folding it makes AuthCache a grab-bag.\nRecommendation: A because the plan's own text gives RequestPolicy no state and TokenStore no role; three classes plus one function covers every described responsibility with fewer seams to test.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: fewer moving parts and one cache wrapper vs. keeping the author's proposed boundaries in case TokenStore has an undocumented reason to exist.": "3 classes + 1 function (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T10:52:13.193Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"toolUseId": "toolu_01XPkmtEcLgvdhUqSsoNExCd",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 \u2014 Inject one AuthCache instance into both services, or keep the module-level global export?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; additive service layer (D3), 3 classes + 1 function (D4).\nELI10: The plan puts the shared cache wrapper in a global variable that any file can import and mutate (PLAN.md:28-29). That works until you need two of them: one real, one fake for a test; or one per tenant shard. Passing the instance into each service's constructor (dependency injection, \"hand the thing to the code that needs it instead of letting it reach for a global\") costs a few lines at startup and makes every test able to use a fresh cache without module-cache tricks. Still exactly one backing cache in production.\nStakes if we pick wrong: Global: tests leak cache state across cases, flaky auth tests, and a hidden import graph where any module can mutate the auth cache. Injected: a few extra constructor parameters and a startup wiring file to maintain.\nRecommendation: A because it is the boring, standard fix, costs minutes, and the plan already promises \"one backing cache\", which injection preserves while the global adds nothing but reach.\nCompleteness: A=10/10, B=3/10, C=6/10\nNet: explicit ownership and testability vs. one fewer wiring file.",
|
||||
"header": "Wiring",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Inject via constructor (recommended)",
|
||||
"description": "\u2705 Tests construct a fresh AuthCache (or fake) per case; no module-cache reset hacks, no cross-test leakage. \u2705 Mutation surface is explicit: only AuthBroker and SessionMint hold a reference (human: ~2h / CC: ~5 min). \u274c Adds a small composition-root/wiring step and constructor params to maintain."
|
||||
},
|
||||
{
|
||||
"label": "Keep module-level export",
|
||||
"description": "\u2705 Zero wiring; matches the plan as written. \u2705 Fewer constructor parameters. \u274c Any module can import and mutate the auth cache; test isolation depends on runner module-cache behavior."
|
||||
},
|
||||
{
|
||||
"label": "Module-level export plus a test-only reset hook",
|
||||
"description": "\u2705 Keeps the plan's shape while giving tests a reset lever. \u2705 Smallest diff from the proposal. \u274c Ships test-only code in production; global mutation surface unchanged; reset hooks are a known smell."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 \u2014 Inject one AuthCache instance into both services, or keep the module-level global export?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; additive service layer (D3), 3 classes + 1 function (D4).\nELI10: The plan puts the shared cache wrapper in a global variable that any file can import and mutate (PLAN.md:28-29). That works until you need two of them: one real, one fake for a test; or one per tenant shard. Passing the instance into each service's constructor (dependency injection, \"hand the thing to the code that needs it instead of letting it reach for a global\") costs a few lines at startup and makes every test able to use a fresh cache without module-cache tricks. Still exactly one backing cache in production.\nStakes if we pick wrong: Global: tests leak cache state across cases, flaky auth tests, and a hidden import graph where any module can mutate the auth cache. Injected: a few extra constructor parameters and a startup wiring file to maintain.\nRecommendation: A because it is the boring, standard fix, costs minutes, and the plan already promises \"one backing cache\", which injection preserves while the global adds nothing but reach.\nCompleteness: A=10/10, B=3/10, C=6/10\nNet: explicit ownership and testability vs. one fewer wiring file.": "Inject via constructor (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T10:54:45.181Z"
|
||||
},
|
||||
{
|
||||
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||||
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|
||||
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|
||||
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|
||||
"question": "D6 \u2014 Guard against a session write landing after an invalidation for the same tenant key, or accept the window?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; AuthCache is now an injected single instance (D5).\nELI10: Two things can touch the same cache slot at once: SessionMint finishing a login and writing a fresh entry, and an invalidation hook wiping that entry because the tenant was suspended or the token revoked (PLAN.md:17-18). The plan says nothing orders these (PLAN.md:19). If the write lands second, a suspended tenant's session is back in the cache until it expires. The fix is a guard inside AuthCache's single write path: refuse a write whose inputs predate a later invalidation. Exactly how (a counter, compare-and-set, or a re-check) depends on what the adapter offers, which I could not read.\nStakes if we pick wrong: Unguarded: a revoked or suspended tenant keeps working for up to one TTL; that is a security window, and it is silent. Guarded: a few lines in AuthCache.set() and one concurrency test; risk of over-rejecting legitimate writes if the guard is too coarse.\nRecommendation: A because AuthCache is the one write path by design (PLAN.md:20-21, D4), so this is the cheapest place the guard will ever be, and the failure mode is a silent security hole.\nCompleteness: A=10/10, B=4/10, C=n/a (investigation, no remedy)\nNet: a small guard at the only write path vs. a silent authorization window bounded by TTL.",
|
||||
"header": "Race",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Guard in AuthCache.set() (recommended)",
|
||||
"description": "\u2705 Closes the revoke-then-repopulate window at the single write path; adapter and hooks stay untouched. \u2705 One deterministic concurrency test proves it: invalidate between read and write, assert entry absent (human: ~4h / CC: ~10 min). \u274c Mechanism must be picked against the real adapter; a too-coarse guard rejects legitimate writes."
|
||||
},
|
||||
{
|
||||
"label": "Accept the window, document the TTL bound",
|
||||
"description": "\u2705 No new logic; nothing to get wrong in the guard. \u2705 Acceptable if the TTL is seconds and revocation is rare. \u274c Suspended/revoked tenants stay authorized for up to one TTL, silently."
|
||||
},
|
||||
{
|
||||
"label": "Investigate the adapter's invalidation API first",
|
||||
"description": "\u2705 Picks the mechanism with evidence rather than a guess. \u2705 Bounded: read the adapter's invalidation hooks and write API. \u274c Leaves this row unresolved at the end of the review; approves nothing."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 \u2014 Guard against a session write landing after an invalidation for the same tenant key, or accept the window?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; AuthCache is now an injected single instance (D5).\nELI10: Two things can touch the same cache slot at once: SessionMint finishing a login and writing a fresh entry, and an invalidation hook wiping that entry because the tenant was suspended or the token revoked (PLAN.md:17-18). The plan says nothing orders these (PLAN.md:19). If the write lands second, a suspended tenant's session is back in the cache until it expires. The fix is a guard inside AuthCache's single write path: refuse a write whose inputs predate a later invalidation. Exactly how (a counter, compare-and-set, or a re-check) depends on what the adapter offers, which I could not read.\nStakes if we pick wrong: Unguarded: a revoked or suspended tenant keeps working for up to one TTL; that is a security window, and it is silent. Guarded: a few lines in AuthCache.set() and one concurrency test; risk of over-rejecting legitimate writes if the guard is too coarse.\nRecommendation: A because AuthCache is the one write path by design (PLAN.md:20-21, D4), so this is the cheapest place the guard will ever be, and the failure mode is a silent security hole.\nCompleteness: A=10/10, B=4/10, C=n/a (investigation, no remedy)\nNet: a small guard at the only write path vs. a silent authorization window bounded by TTL.": "Guard in AuthCache.set() (recommended)"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 \u2014 Flatten validateAndDispatch() into a three-step pipeline with one error boundary, or keep the nested try/catch blocks?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; AuthBroker orchestrates validate \u2192 decideAccess \u2192 dispatch.\nELI10: Right now the function wraps each step in its own try/catch and each catch quietly eats one kind of error (PLAN.md:32-33). In an auth path, \"quietly eat the error\" is the one thing you must never do: if the validation error is swallowed and execution continues, the request may be dispatched as if it passed. The alternative is three plain steps that throw typed errors, and one catch at the edge that turns each error type into an explicit deny or 5xx plus a log line. Anything unrecognized denies. Same behavior for the happy path; no silent continues.\nStakes if we pick wrong: Nested/swallowing: a fail-open bug hides behind a catch and nobody sees a log line; also each catch is untestable in isolation. Flattened: a short refactor and the error taxonomy must be written down (which is a feature).\nRecommendation: A because swallowed errors in an auth dispatcher are a fail-open risk, and the flat pipeline is fewer lines, not more.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: explicit error taxonomy with deny-by-default vs. keeping silent catches in the one place they are most dangerous.",
|
||||
"header": "Errors",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Flatten to pipeline + single error boundary (recommended)",
|
||||
"description": "\u2705 Every error class has an explicit, testable mapping; unknown errors deny by default, so nothing fails open. \u2705 Three steps read top-to-bottom; each step unit-tests without the others (human: ~3h / CC: ~10 min). \u274c Requires enumerating the three swallowed error classes and deciding each one's user-visible outcome."
|
||||
},
|
||||
{
|
||||
"label": "Keep nested blocks, add logging in each catch",
|
||||
"description": "\u2705 Minimal diff; swallowed errors at least become visible in logs. \u2705 No change to control flow. \u274c Control flow after a swallow is still \"continue\"; fail-open remains possible and the 60-line nesting stays."
|
||||
},
|
||||
{
|
||||
"label": "Do nothing",
|
||||
"description": "\u2705 Zero effort. \u2705 Preserves whatever current behavior callers rely on, bugs included. \u274c Three silent catch blocks in the auth path; untestable and a live fail-open risk."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 \u2014 Flatten validateAndDispatch() into a three-step pipeline with one error boundary, or keep the nested try/catch blocks?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; AuthBroker orchestrates validate \u2192 decideAccess \u2192 dispatch.\nELI10: Right now the function wraps each step in its own try/catch and each catch quietly eats one kind of error (PLAN.md:32-33). In an auth path, \"quietly eat the error\" is the one thing you must never do: if the validation error is swallowed and execution continues, the request may be dispatched as if it passed. The alternative is three plain steps that throw typed errors, and one catch at the edge that turns each error type into an explicit deny or 5xx plus a log line. Anything unrecognized denies. Same behavior for the happy path; no silent continues.\nStakes if we pick wrong: Nested/swallowing: a fail-open bug hides behind a catch and nobody sees a log line; also each catch is untestable in isolation. Flattened: a short refactor and the error taxonomy must be written down (which is a feature).\nRecommendation: A because swallowed errors in an auth dispatcher are a fail-open risk, and the flat pipeline is fewer lines, not more.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: explicit error taxonomy with deny-by-default vs. keeping silent catches in the one place they are most dangerous.": "Flatten to pipeline + single error boundary (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T10:56:34.582Z"
|
||||
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|
||||
{
|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 \u2014 How do we protect legacyAuthFlow() and the shared cache adapter from regressions in this PR?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; this PR is additive (D3) but writes to the one adapter legacyAuthFlow() still reads.\nELI10: Even though we are no longer rewriting the old login path in this PR, the new services write into the same cache it reads from (PLAN.md:20-21). Nothing today records what the old path actually does, so if a new entry shape or key collides with it, nobody will know until a tenant reports it. A characterization test (\"record what it does now, assert it keeps doing that\") plus one integration test that runs old and new against the same cache gives us that alarm. The plan explicitly skips both (PLAN.md:23-25). The question is how to cover it, not whether.\nStakes if we pick wrong: Too little: a silent auth behavior change for existing tenants with no failing test to point at it, and the follow-up rewrite PR starts with no baseline. Too much: an afternoon writing tests for code that will be rewritten anyway (but those tests are exactly what makes the rewrite safe).\nRecommendation: A because the follow-up rewrite (D3) needs the characterization baseline anyway, and recording it before any adjacent change is when it is cheapest and most trustworthy.\nCompleteness: A=10/10, B=7/10, C=5/10\nNet: pay for the baseline now while the old path is untouched vs. hope the adapter keys keep the flows apart.",
|
||||
"header": "Regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Characterization tests now + shared-adapter integration test (recommended)",
|
||||
"description": "\u2705 Baseline of legacyAuthFlow() behavior captured before anything adjacent changes; the follow-up rewrite PR inherits it. \u2705 Integration test proves old and new flows coexist on one adapter with tenant isolation intact (human: ~1 day / CC: ~20 min). \u274c Tests characterize current behavior bugs included; someone must review the recorded outputs for surprises."
|
||||
},
|
||||
{
|
||||
"label": "Shared-adapter integration test only",
|
||||
"description": "\u2705 Covers the specific new risk this PR introduces (coexistence on one adapter). \u2705 Less test code to maintain. \u274c legacyAuthFlow() outputs stay unrecorded; the follow-up rewrite starts without a baseline."
|
||||
},
|
||||
{
|
||||
"label": "Characterization tests only, deferred to the follow-up PR",
|
||||
"description": "\u2705 Nothing extra in this PR. \u2705 Baseline written by whoever does the rewrite, closest to the work. \u274c This PR ships with zero proof the new writes do not disturb the old reads; baseline recorded after adjacent code already changed."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 \u2014 How do we protect legacyAuthFlow() and the shared cache adapter from regressions in this PR?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; this PR is additive (D3) but writes to the one adapter legacyAuthFlow() still reads.\nELI10: Even though we are no longer rewriting the old login path in this PR, the new services write into the same cache it reads from (PLAN.md:20-21). Nothing today records what the old path actually does, so if a new entry shape or key collides with it, nobody will know until a tenant reports it. A characterization test (\"record what it does now, assert it keeps doing that\") plus one integration test that runs old and new against the same cache gives us that alarm. The plan explicitly skips both (PLAN.md:23-25). The question is how to cover it, not whether.\nStakes if we pick wrong: Too little: a silent auth behavior change for existing tenants with no failing test to point at it, and the follow-up rewrite PR starts with no baseline. Too much: an afternoon writing tests for code that will be rewritten anyway (but those tests are exactly what makes the rewrite safe).\nRecommendation: A because the follow-up rewrite (D3) needs the characterization baseline anyway, and recording it before any adjacent change is when it is cheapest and most trustworthy.\nCompleteness: A=10/10, B=7/10, C=5/10\nNet: pay for the baseline now while the old path is untouched vs. hope the adapter keys keep the flows apart.": "Characterization tests now + shared-adapter integration test (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T10:57:56.452Z"
|
||||
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|
||||
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|
||||
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 \u2014 Cache the static IDP documents and parallelize the rest, or just parallelize the 5 calls?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; validate step of the flattened AuthBroker pipeline (D7).\nELI10: Every login currently makes five round trips to the identity provider, one after another (PLAN.md:40-41). Running them at the same time cuts wall-clock time by about 5x, which is what the plan proposes. But at least some of those calls fetch documents that barely change (the provider's discovery config and its public signing keys), which the standard practice says to cache for hours and only refetch when a token shows up signed by an unknown key. Cache those and most logins need zero or one round trip. Parallelizing alone also turns a 5-call trickle into a 5-call burst per login, which is how you hit IDP rate limits on a busy morning.\nStakes if we pick wrong: Parallelize-only: 5x burstier IDP traffic, still 5 network dependencies per login, and Promise.all's fail-fast leaves the other four requests in flight. Cache + parallelize: a small TTL cache with a stale-key refresh path to get right.\nRecommendation: A because the plan's own evidence (5 calls per validation) says the missing piece is caching, not concurrency; it is the standard OIDC pattern and removes the IDP as a per-request dependency for most logins.\nCompleteness: A=10/10, B=7/10, C=2/10\nNet: remove the IDP from the hot path with a boring cache vs. make the hot path five times faster and five times burstier.",
|
||||
"header": "IDP calls",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Cache static IDP documents + parallelize remaining calls (recommended)",
|
||||
"description": "\u2705 Steady-state logins need 0-1 IDP round trips instead of 5; IDP outage no longer fails every login that has cached keys. \u2705 Standard OIDC practice; refresh-on-unknown-kid handles key rotation (human: ~1 day / CC: ~20 min). \u274c Must pick TTLs below the IDP's key-rotation overlap window and test the unknown-kid refresh path."
|
||||
},
|
||||
{
|
||||
"label": "Parallelize the 5 calls only (as proposed)",
|
||||
"description": "\u2705 ~5x lower validation latency with a one-line change. \u2705 No cache invalidation to reason about. \u274c 5 requests per login in a burst; every login still depends on the IDP being up; fail-fast leaves stragglers in flight."
|
||||
},
|
||||
{
|
||||
"label": "Do nothing",
|
||||
"description": "\u2705 Zero effort; no new failure modes. \u2705 Sequential calls are easy to trace in logs. \u274c ~5 \u00d7 RTT on every login, and the plan already called this out as trivially fixable."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 \u2014 Cache the static IDP documents and parallelize the rest, or just parallelize the 5 calls?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; validate step of the flattened AuthBroker pipeline (D7).\nELI10: Every login currently makes five round trips to the identity provider, one after another (PLAN.md:40-41). Running them at the same time cuts wall-clock time by about 5x, which is what the plan proposes. But at least some of those calls fetch documents that barely change (the provider's discovery config and its public signing keys), which the standard practice says to cache for hours and only refetch when a token shows up signed by an unknown key. Cache those and most logins need zero or one round trip. Parallelizing alone also turns a 5-call trickle into a 5-call burst per login, which is how you hit IDP rate limits on a busy morning.\nStakes if we pick wrong: Parallelize-only: 5x burstier IDP traffic, still 5 network dependencies per login, and Promise.all's fail-fast leaves the other four requests in flight. Cache + parallelize: a small TTL cache with a stale-key refresh path to get right.\nRecommendation: A because the plan's own evidence (5 calls per validation) says the missing piece is caching, not concurrency; it is the standard OIDC pattern and removes the IDP as a per-request dependency for most logins.\nCompleteness: A=10/10, B=7/10, C=2/10\nNet: remove the IDP from the hot path with a boring cache vs. make the hot path five times faster and five times burstier.": "Cache static IDP documents + parallelize remaining calls (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T10:59:51.506Z"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 \u2014 Capture the follow-up PR (swap legacyAuthFlow() onto the new services) as a TODO?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; D3 deferred the legacyAuthFlow() rewrite out of this PR.\nELI10: We agreed the old login path stays untouched in this PR and gets swapped in a second PR once AuthBroker/SessionMint have run in production. That second PR does not exist anywhere yet except this review. A TODO entry with the context (why it was split, what the characterization tests from D8 give it, when it is safe to start) keeps it from becoming the dual-path state that lingers for a year. There is no TODOS.md in this repo today; option A would create it after plan mode exits.\nWhat: Swap `legacyAuthFlow()` callers onto `AuthBroker.validateAndDispatch()` and delete the legacy path. Why: closes the dual-path window opened by D3. Pros: small reviewable diff, characterization tests (D8) already exist as the acceptance gate. Cons: needs a production soak of the new services first; someone must own it. Context: see this review's ledger R1/R3. Depends on: this PR merged and soaked; D8 characterization tests green.\nStakes if we pick wrong: Skipped: the split's rationale evaporates and two auth paths coexist indefinitely. Added: one more file in the repo to keep honest.\nRecommendation: A because a deferred rewrite without a written trail is how legacy paths become permanent.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: a written, contextual follow-up vs. relying on memory to finish the migration.",
|
||||
"header": "TODO",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "\u2705 Follow-up captured with why/how/when, readable in 3 months by whoever picks it up. \u2705 Ties the D8 characterization tests to their consumer. \u274c Creates TODOS.md in a repo that has none; write happens after plan mode exits."
|
||||
},
|
||||
{
|
||||
"label": "Skip \u2014 not valuable enough",
|
||||
"description": "\u2705 No new file; the ledger in the review report already records the split. \u2705 Team may track follow-ups elsewhere (issues, tickets). \u274c Nothing in-repo points at the unfinished migration."
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR instead",
|
||||
"description": "\u2705 No dual-path state at all. \u2705 One deploy. \u274c Reverses D3; puts the riskiest change back into the 12-file diff with no production soak of the new services."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 \u2014 Capture the follow-up PR (swap legacyAuthFlow() onto the new services) as a TODO?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; D3 deferred the legacyAuthFlow() rewrite out of this PR.\nELI10: We agreed the old login path stays untouched in this PR and gets swapped in a second PR once AuthBroker/SessionMint have run in production. That second PR does not exist anywhere yet except this review. A TODO entry with the context (why it was split, what the characterization tests from D8 give it, when it is safe to start) keeps it from becoming the dual-path state that lingers for a year. There is no TODOS.md in this repo today; option A would create it after plan mode exits.\nWhat: Swap `legacyAuthFlow()` callers onto `AuthBroker.validateAndDispatch()` and delete the legacy path. Why: closes the dual-path window opened by D3. Pros: small reviewable diff, characterization tests (D8) already exist as the acceptance gate. Cons: needs a production soak of the new services first; someone must own it. Context: see this review's ledger R1/R3. Depends on: this PR merged and soaked; D8 characterization tests green.\nStakes if we pick wrong: Skipped: the split's rationale evaporates and two auth paths coexist indefinitely. Added: one more file in the repo to keep honest.\nRecommendation: A because a deferred rewrite without a written trail is how legacy paths become permanent.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: a written, contextual follow-up vs. relying on memory to finish the migration.": "Add to TODOS.md (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T11:00:51.358Z"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D11 \u2014 Next step after this eng review?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; eng review CLEAR, 0 unresolved decisions, 9 tasks (T1-T9) in the reviewed plan.\nELI10: The review is done and saved. Navigation only: this picks what happens next and approves no new implementation change. No UI scope was found, so a design review does not apply; the plan changes no product behavior, so a CEO review is optional and not suggested.\nStakes if we pick wrong: None material; you can run any other review later.\nRecommendation: Ready to implement \u2014 this is the only applicable option; the plan's tasks and lanes are recorded.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: proceed to implementation vs. pause.",
|
||||
"header": "Next",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Ready to implement (recommended)",
|
||||
"description": "\u2705 All relevant reviews complete; lanes A-D can start in parallel worktrees, then E. \u2705 Run /ship when the work is done. \u274c No further review gate before coding; the deferred CLAUDE.md/TODOS.md writes happen right after plan mode exits."
|
||||
},
|
||||
{
|
||||
"label": "Pause here",
|
||||
"description": "\u2705 Nothing further happens; the saved report stands. \u2705 Resume any time with /context-restore. \u274c Deferred CLAUDE.md routing rules and TODOS.md entry stay unwritten."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 \u2014 Next step after this eng review?\nProject/branch/task: main branch, PLAN.md \"Multi-tenant Auth Refactor\"; eng review CLEAR, 0 unresolved decisions, 9 tasks (T1-T9) in the reviewed plan.\nELI10: The review is done and saved. Navigation only: this picks what happens next and approves no new implementation change. No UI scope was found, so a design review does not apply; the plan changes no product behavior, so a CEO review is optional and not suggested.\nStakes if we pick wrong: None material; you can run any other review later.\nRecommendation: Ready to implement \u2014 this is the only applicable option; the plan's tasks and lanes are recorded.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: proceed to implementation vs. pause.": "Ready to implement (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T11:04:01.560Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": [
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "Scope gate: plan mode \u2014 auto-selected B (reviewing `PLAN.md`: \"Plan: Multi-tenant Auth Refactor\").",
|
||||
"timestamp": "2026-09-16T10:49:19.211Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "Noted: routing rules approved. Plan mode blocks the CLAUDE.md write and commit right now; I'll carry it as a deferred follow-up after the review exits plan mode.",
|
||||
"timestamp": "2026-09-16T10:49:45.217Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "No design doc; the user pre-declined `/office-hours`, so I'm skipping that offer. Now reading the plan and the review section.",
|
||||
"timestamp": "2026-09-16T10:50:08.257Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "No prior learnings. Aside is not installed, so I'll run the Scope Challenge search check through WebSearch.",
|
||||
"timestamp": "2026-09-16T10:51:03.297Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "Scope decisions recorded: legacyAuthFlow() rewrite split out (D3), 3 classes + 1 function (D4). Saving the report file with the ledger before findings.",
|
||||
"timestamp": "2026-09-16T10:53:04.284Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "Record R4 saved and verified. Dispatching D5.",
|
||||
"timestamp": "2026-09-16T10:54:35.466Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "**Section 2: Code Quality findings**\n\n| # | Sev | Conf | Source | Finding | Disposition |\n|---|---|---|---|---|---|\n| C1 | P1 | 9/10 | PLAN.md:32-33 | 60-line `validateAndDispatch()` with three nested try/catch, each swallowing an error class: fail-open risk, untestable catches | **Accepted** (D7: flat pipeline, one deny-by-default boundary) |\n| C2 | P2 | 8/10 | PLAN.md:44 vs :20-21 | DRY: `TokenStore` and `AuthCache` both wrap one backing cache | **Resolved** by D4 |\n| C3 | P3 | 7/10 | PLAN.md:12-13 | Stateless one-method class (`RequestPolicy`) is ceremony | **Resolved** by D4 (`decideAccess()` fn) |\n| C4 | P3 | 6/10 | PLAN.md (whole) | No diagrams in the plan or planned for code; `AuthBroker` pipeline and `AuthCache` guard are exactly the non-obvious behavior that needs inline ASCII comments | Included as documentation task; no approval needed |\n\n**Section 3: Test review.** Framework detection: no `package.json`, no test config, 0 test files in the repo. Framework **unknown**; the plan's `Promise.all` implies a JS/TS runtime, so tests below assume a Jest/Vitest-style layout and must be re-mapped to the real project's convention.\n\nCoverage diagram (plan-level; every path is a GAP today because no tests exist in the repo):\n\n```\nCODE PATHS USER FLOWS\n[+] auth/AuthBroker.ts [+] Tenant login (bearer token)\n \u2514\u2500\u2500 validateAndDispatch() \u251c\u2500\u2500 [GAP] [\u2192E2E] valid token \u2192 allow \u2192 dispatched\n \u251c\u2500\u2500 [GAP] validate: happy path \u251c\u2500\u2500 [GAP] [\u2192E2E] expired token \u2192 deny, clear error\n \u251c\u2500\u2500 [GAP] validate: IDP timeout \u2192 typed err \u2192 deny \u251c\u2500\u2500 [GAP] [\u2192E2E] revoked mid-session \u2192 next request denied\n \u251c\u2500\u2500 [GAP] validate: IDP 5xx \u2192 typed err \u2192 5xx \u2514\u2500\u2500 [GAP] [\u2192E2E] tenant suspended \u2192 next request denied\n \u251c\u2500\u2500 [GAP] validate: malformed/expired token \u2192 deny\n \u251c\u2500\u2500 [GAP] decideAccess() deny \u2192 deny (no dispatch) [+] Error states\n \u251c\u2500\u2500 [GAP] dispatch throws \u2192 mapped, logged \u251c\u2500\u2500 [GAP] IDP down \u2192 user sees 5xx, not hang\n \u2514\u2500\u2500 [GAP] unknown error \u2192 deny by default (D7) \u251c\u2500\u2500 [GAP] slow IDP (10s) \u2192 timeout path, not silent\n[+] auth/policy.ts \u2514\u2500\u2500 [GAP] double-submit login \u2192 one session, no dup mint\n \u2514\u2500\u2500 decideAccess(claims, ctx)\n \u251c\u2500\u2500 [GAP] allow / deny table for existing policy [+] Regression (D8, CRITICAL)\n \u251c\u2500\u2500 [GAP] claims tenant \u2260 ctx tenant \u2192 deny (A3) \u251c\u2500\u2500 [GAP] [\u2192E2E] legacyAuthFlow() characterization\n \u2514\u2500\u2500 [GAP] missing/empty claims \u2192 deny \u2514\u2500\u2500 [GAP] [\u2192E2E] legacy + new on one adapter, tenant isolation\n[+] auth/AuthCache.ts\n \u251c\u2500\u2500 get(): [GAP] hit / miss / expired-evicted\n \u251c\u2500\u2500 set(): [GAP] normal write persists\n \u251c\u2500\u2500 set(): [GAP] write after invalidation dropped (D6 proof)\n \u251c\u2500\u2500 [GAP] key = (tenant from CLAIMS, issuer, audience, policyVersion)\n \u2514\u2500\u2500 [GAP] adapter throws \u2192 surfaced, not swallowed\n[+] auth/SessionMint.ts\n \u251c\u2500\u2500 [GAP] mint \u2192 AuthCache.set() called once with correct key\n \u2514\u2500\u2500 [GAP] mint during suspension \u2192 no entry (D6)\n\nCOVERAGE: 0/27 paths tested (0%) | Code paths: 0/18 (0%) | User flows: 0/9 (0%)\nQUALITY: \u2605\u2605\u2605:0 \u2605\u2605:0 \u2605:0 | GAPS: 27 (7 E2E, 0 eval)\n```\n\nLegend: \u2605\u2605\u2605 behavior + edge + error | \u2605\u2605 happy path | \u2605 smoke | [\u2192E2E] integration test. No LLM/prompt scope in this plan; no eval needed.\n\n**REGRESSION RULE** applies: PLAN.md:23-25 explicitly excludes compatibility assertions while the new services write to the adapter `legacyAuthFlow()` reads. Record R3 saved and verified; one dedicated question.",
|
||||
"timestamp": "2026-09-16T10:57:45.162Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "Now writing the remaining review output and the terminal report.",
|
||||
"timestamp": "2026-09-16T11:01:09.479Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "Read-back gate passes: last `##` heading is `## GSTACK REVIEW REPORT` (line 573), final line is the sentinel, 0 pending records. Writing the Review Log.",
|
||||
"timestamp": "2026-09-16T11:03:06.526Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "```\n+====================================================================+\n| REVIEW READINESS DASHBOARD |\n+====================================================================+\n| Review | Runs | Last Run | Status | Required |\n|-----------------|------|---------------------|-----------|----------|\n| Eng Review | 1 | 2026-09-16 11:03 | CLEAR (PLAN) | YES |\n| CEO Review | 0 | \u2014 | \u2014 | no |\n| Design Review | 0 | \u2014 | \u2014 | no |\n| Adversarial | 0 | \u2014 | \u2014 | no |\n| Outside Voice | 1 | 2026-09-16 11:00 | DISABLED | no |\n+--------------------------------------------------------------------+\n| VERDICT: CLEARED \u2014 Eng Review passed (plan-tier, commit dc3b5e2) |\n+====================================================================+\n```\nOutside voice: provider codex, phase plan-review, `outside_status: disabled` (config opt-out). No native fallback ran. Not counted as coverage.\n\n**Completion summary** (saved in the report)\n- Step 0: Scope Challenge \u2014 scope reduced per recommendation (D3 split `legacyAuthFlow()` rewrite out; D4 3 classes + `decideAccess()` fn)\n- Architecture Review: 4 issues found\n- Code Quality Review: 4 issues found\n- Test Review: diagram produced, 29 gaps identified (0 tests exist in repo; framework unknown)\n- Performance Review: 2 issues found\n- NOT in scope: written \u00b7 What already exists: written\n- TODOS.md updates: 1 item proposed (accepted; not persisted until plan mode exits)\n- Failure modes: 0 critical gaps after accepted remedies\n- Unresolved decisions: 0\n- Outside voice: codex, disabled\n- Parallelization: 5 lanes, 4 parallel / 1 sequential\n- Lake Score: 5/5\n\nArtifacts: full reviewed plan + report at `/tmp/g-q50pz9gl/gstack-paid-shard-uzvErm/tmp/gstack-e2e-plan-eng-piEYOe/gstack-test-plan-eng.md`; QA test plan and tasks JSONL under `~/.gstack/projects/gstack-plan-count-eecImF/`.\n\nNext steps: this is a backend-only auth refactor with no UI scope, so no design review applies. It is a behavior-preserving refactor, not a product change, so CEO review is optional and not suggested.",
|
||||
"timestamp": "2026-09-16T11:03:52.178Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"text": "Gate passes on all five checks. Running telemetry and cache refresh.",
|
||||
"timestamp": "2026-09-16T11:04:48.870Z"
|
||||
}
|
||||
],
|
||||
"planReadyRequests": [
|
||||
{
|
||||
"sessionId": "52fc1353-eb16-4fbb-961f-d2368b35069a",
|
||||
"toolUseId": "toolu_01JWZvmDUGhq7yHreNxeuZZe",
|
||||
"timestamp": "2026-09-16T11:05:05.744Z",
|
||||
"failed": false,
|
||||
"source": "pre_tool_use"
|
||||
}
|
||||
]
|
||||
},
|
||||
"originalPlan": "# Plan: Multi-tenant Auth Refactor (reviewed)\n\nReviewed target: `PLAN.md` (\"Plan: Multi-tenant Auth Refactor\") in repo `gstack-plan-count-eecImF`, branch `main`, commit `dc3b5e2`.\nReview: `/plan-eng-review`, 2026-09-16. Report destination: this file (explicitly requested by the user).\nRuntime evidence note: the repository under review contains only `CLAUDE.md` and `PLAN.md`. No implementation source, tests, or test framework are present. Every finding below is a plan-level finding quoting `PLAN.md:line`; runtime behavior of `legacyAuthFlow()`, the cache adapter, and the IDP calls is **unknown** and must be verified against the real codebase at implementation time.\n\n## Context (from the plan author)\n\nThe goal is to reorganize existing tenant-auth orchestration without changing its product behavior (PLAN.md:8-9). RequestPolicy groups the existing per-request access decision: given already-fetched claims and tenant/request context, it returns allow or deny under the existing access policy. AuthBroker.validateAndDispatch() calls it after validation and before dispatch. It adds no policy, network call, cache mutation or state (PLAN.md:9-13).\n\n## Existing contracts retained (unchanged by this review)\n\n- The existing cache adapter keys entries by tenant ID, issuer, audience, and policy version (PLAN.md:16-17).\n- It evicts expired tokens and invalidates entries on logout, token revocation, or tenant suspension (PLAN.md:17-18).\n- AuthCache is a service-facing facade over that same existing adapter, with one backing cache (PLAN.md:20-21). The adapter, its invalidation hooks, and their existing tests remain in use unchanged (PLAN.md:21-22).\n- The adapter does not serialize mutations (PLAN.md:19).\n\n## Scope as amended by this review\n\n| Item | Original plan | Reviewed plan | Decision |\n|---|---|---|---|\n| `legacyAuthFlow()` rewrite | In this PR, no regression test (PLAN.md:36-37) | **Deferred to a follow-up PR.** This PR is additive: new services land, `legacyAuthFlow()` keeps serving tenants unchanged. | D3 |\n| New classes | 5: AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy (PLAN.md:44-45) | **3 classes + 1 function:** `AuthBroker`, `SessionMint`, `AuthCache`; `RequestPolicy` becomes a pure function `decideAccess(claims, ctx)` in a policy module; `TokenStore` folded into `AuthCache` (one wrapper over the one backing cache). If implementation discovers a responsibility that must not live in `AuthCache` (e.g. refresh-token persistence), name it explicitly and raise it, do not silently re-add `TokenStore`. | D4 |\n| Files touched | 12 (PLAN.md:44) | Expected to drop with the two cuts above; re-count at implementation. | D3, D4 |\n\n## Architecture (reviewed)\n\nProposed data flow for this PR (additive layer; `legacyAuthFlow()` untouched):\n\n```\n request (tenant ctx, bearer token)\n |\n v\n +---------------------------+\n | AuthBroker |\n | validateAndDispatch() |\n | 1. validate token -----+----> IDP (discovery / JWKS / introspection ...)\n | 2. decideAccess() -----+----> policy module (pure fn, no I/O)\n | 3. dispatch |\n +------------+--------------+\n | reads/writes\n v\n SessionMint ---------> AuthCache (facade) ---------> existing cache adapter\n (mints sessions, one instance, keys: tenant, issuer,\n writes entries) one backing cache audience, policyVersion\n invalidation hooks:\n logout / revoke / suspend\n ^\n | (still reads/writes the SAME adapter today)\n legacyAuthFlow() [unchanged in this PR]\n```\n\nOriginal proposal (PLAN.md:28-29): AuthBroker and SessionMint share a global mutable AuthCache instance via module-level export; both services mutate it. Reviewed disposition: see Section 1 findings and the decision ledger.\n\n## Code quality (reviewed)\n\nOriginal proposal (PLAN.md:32-33): `validateAndDispatch()` is 60 lines with three nested try/catch blocks; each catch swallows a different error class. Reviewed disposition: see Section 2 findings and the decision ledger.\n\n## Tests (reviewed)\n\nOriginal proposal (PLAN.md:23-25, 36-37): unit and integration coverage for the new components' success/error paths; that coverage does not exercise `legacyAuthFlow()` or assert compatibility with its prior behavior; no regression test planned. Reviewed disposition: see Section 3 (test review, coverage diagram, regression contract) and the decision ledger.\n\n## Performance (reviewed)\n\nOriginal proposal (PLAN.md:40-41): token validation Line truncated
|
||||
"correctedQuestionsPlan": "# Plan: Multi-tenant Auth Refactor (reviewed)\n\nReviewed target: `PLAN.md` (\"Plan: Multi-tenant Auth Refactor\") in repo `gstack-plan-count-eecImF`, branch `main`, commit `dc3b5e2`.\nReview: `/plan-eng-review`, 2026-09-16. Report destination: this file (explicitly requested by the user).\nRuntime evidence note: the repository under review contains only `CLAUDE.md` and `PLAN.md`. No implementation source, tests, or test framework are present. Every finding below is a plan-level finding quoting `PLAN.md:line`; runtime behavior of `legacyAuthFlow()`, the cache adapter, and the IDP calls is **unknown** and must be verified against the real codebase at implementation time.\n\n## Context (from the plan author)\n\nThe goal is to reorganize existing tenant-auth orchestration without changing its product behavior (PLAN.md:8-9). RequestPolicy groups the existing per-request access decision: given already-fetched claims and tenant/request context, it returns allow or deny under the existing access policy. AuthBroker.validateAndDispatch() calls it after validation and before dispatch. It adds no policy, network call, cache mutation or state (PLAN.md:9-13).\n\n## Existing contracts retained (unchanged by this review)\n\n- The existing cache adapter keys entries by tenant ID, issuer, audience, and policy version (PLAN.md:16-17).\n- It evicts expired tokens and invalidates entries on logout, token revocation, or tenant suspension (PLAN.md:17-18).\n- AuthCache is a service-facing facade over that same existing adapter, with one backing cache (PLAN.md:20-21). The adapter, its invalidation hooks, and their existing tests remain in use unchanged (PLAN.md:21-22).\n- The adapter does not serialize mutations (PLAN.md:19).\n\n## Scope as amended by this review\n\n| Item | Original plan | Reviewed plan | Decision |\n|---|---|---|---|\n| `legacyAuthFlow()` rewrite | In this PR, no regression test (PLAN.md:36-37) | **Deferred to a follow-up PR.** This PR is additive: new services land, `legacyAuthFlow()` keeps serving tenants unchanged. | D3 |\n| New classes | 5: AuthBroker, TokenStore, SessionMint, AuthCache, RequestPolicy (PLAN.md:44-45) | **3 classes + 1 function:** `AuthBroker`, `SessionMint`, `AuthCache`; `RequestPolicy` becomes a pure function `decideAccess(claims, ctx)` in a policy module; `TokenStore` folded into `AuthCache` (one wrapper over the one backing cache). If implementation discovers a responsibility that must not live in `AuthCache` (e.g. refresh-token persistence), name it explicitly and raise it, do not silently re-add `TokenStore`. | D4 |\n| Files touched | 12 (PLAN.md:44) | Expected to drop with the two cuts above; re-count at implementation. | D3, D4 |\n\n## Architecture (reviewed)\n\nProposed data flow for this PR (additive layer; `legacyAuthFlow()` untouched):\n\n```\n request (tenant ctx, bearer token)\n |\n v\n +---------------------------+\n | AuthBroker |\n | validateAndDispatch() |\n | 1. validate token -----+----> IDP (discovery / JWKS / introspection ...)\n | 2. decideAccess() -----+----> policy module (pure fn, no I/O)\n | 3. dispatch |\n +------------+--------------+\n | reads/writes\n v\n SessionMint ---------> AuthCache (facade) ---------> existing cache adapter\n (mints sessions, one instance, keys: tenant, issuer,\n writes entries) one backing cache audience, policyVersion\n invalidation hooks:\n logout / revoke / suspend\n ^\n | (still reads/writes the SAME adapter today)\n legacyAuthFlow() [unchanged in this PR]\n```\n\nOriginal proposal (PLAN.md:28-29): AuthBroker and SessionMint share a global mutable AuthCache instance via module-level export; both services mutate it. Reviewed disposition: see Section 1 findings and the decision ledger.\n\n## Code quality (reviewed)\n\nOriginal proposal (PLAN.md:32-33): `validateAndDispatch()` is 60 lines with three nested try/catch blocks; each catch swallows a different error class. Reviewed disposition: see Section 2 findings and the decision ledger.\n\n## Tests (reviewed)\n\nOriginal proposal (PLAN.md:23-25, 36-37): unit and integration coverage for the new components' success/error paths; that coverage does not exercise `legacyAuthFlow()` or assert compatibility with its prior behavior; no regression test planned. Reviewed disposition: see Section 3 (test review, coverage diagram, regression contract) and the decision ledger.\n\n## Performance (reviewed)\n\nOriginal proposal (PLAN.md:40-41): token vLine truncated
|
||||
}
|
||||
-138
@@ -1,138 +0,0 @@
|
||||
{
|
||||
"observationSha256": "1fbba18c11a5b46ef64cb72e39f8b74f3b9b7953274fe58eed2a93f0dd594135",
|
||||
"reportSha256": "370461dbf4820f9811843682539845b8043cb8d72b610868473241a02577283c",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "26447393-d025-40f1-a80a-e6a34fcddf1a",
|
||||
"toolUseId": "toolu_01NjPQmJ7CTTEgsvqYRCT3Bs",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 \u2014 Reduce the class inventory before building?\nProject/branch/task: main \u2014 Multi-tenant Auth Refactor plan review, Step 0 scope challenge.\nELI10: The plan adds five new classes (AuthBroker, SessionMint, AuthCache, TokenStore, RequestPolicy), and three of them are ways of holding the same cached tokens the existing adapter already holds. Every extra class is a place for bugs to hide and a thing the next engineer must learn. The question is whether the two real services can use the existing cache adapter directly through a narrow interface.\nStakes if we pick wrong: over-reduce and you re-add a class mid-build; under-reduce and you maintain three caches and 12 files for a change whose goal is not yet written down.\nRecommendation: A because the AuthCache facade adds no rule or serialization (PLAN.md:11-13) and TokenStore has no stated responsibility.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: a possible re-add later versus three overlapping abstractions now.",
|
||||
"header": "D1 scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Reduce to 2-3 classes (recommended)",
|
||||
"description": "\u2705 Same service-facing boundary with zero new runtime code to test or debug (human: saves ~2 days / CC: saves ~20min). \u2705 Removes the double/triple-caching memory and consistency question entirely. \u274c If TokenStore had a real hidden purpose it returns later as an unplanned change."
|
||||
},
|
||||
{
|
||||
"label": "B) Proceed with 5 classes",
|
||||
"description": "\u2705 No re-planning; keeps whatever design intent the author had for TokenStore and RequestPolicy. \u2705 Forces a one-sentence responsibility per class into the plan, useful either way. \u274c 12 files and three cache-shaped types before the goal of the refactor is stated."
|
||||
},
|
||||
{
|
||||
"label": "C) Hold \u2014 state the goal first",
|
||||
"description": "\u2705 The plan has no problem statement; writing it may settle D1 on its own. \u2705 Cheapest possible step before any code (human: ~30min / CC: ~5min). \u274c Delays every other decision until the goal is written."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 \u2014 Reduce the class inventory before building?\nProject/branch/task: main \u2014 Multi-tenant Auth Refactor plan review, Step 0 scope challenge.\nELI10: The plan adds five new classes (AuthBroker, SessionMint, AuthCache, TokenStore, RequestPolicy), and three of them are ways of holding the same cached tokens the existing adapter already holds. Every extra class is a place for bugs to hide and a thing the next engineer must learn. The question is whether the two real services can use the existing cache adapter directly through a narrow interface.\nStakes if we pick wrong: over-reduce and you re-add a class mid-build; under-reduce and you maintain three caches and 12 files for a change whose goal is not yet written down.\nRecommendation: A because the AuthCache facade adds no rule or serialization (PLAN.md:11-13) and TokenStore has no stated responsibility.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: a possible re-add later versus three overlapping abstractions now.": "A) Reduce to 2-3 classes (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T09:44:08.579Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "26447393-d025-40f1-a80a-e6a34fcddf1a",
|
||||
"toolUseId": "toolu_01Qs552AuhXqYDwihpYWqTaG",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 \u2014 Module-level AuthCache singleton \u2192 constructor injection with a single writer?\nProject/branch/task: main \u2014 Multi-tenant Auth Refactor, Architecture finding A1 (PLAN.md:19-20: \"share a global mutable AuthCache instance via module-level export. Both services mutate it\").\nELI10: Right now both services grab the same global cache object from a module import and both write to it. Nobody can tell who owns a write, and tests share state through that global. Building the cache once at app startup and handing it to each service makes the dependency visible and gives every test its own instance. With D1 answered, the injected thing is the existing adapter behind a narrow interface.\nStakes if we pick wrong: flaky or order-dependent tests, and a production bundle with two \"singletons\" where an invalidation clears the wrong one.\nRecommendation: A because it is the standard Layer 1 fix (composition root + DI) and costs minutes with CC; it maps to your explicit-over-clever preference.\nCompleteness: A=9/10, B=6/10, C=2/10\nNet: explicit dependencies now versus hidden coupling you debug later.",
|
||||
"header": "D2 DI",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Composition-root injection, single writer (recommended)",
|
||||
"description": "\u2705 Test files construct their own fake cache; no cross-file state, parallel workers safe (human: ~1 day / CC: ~15min). \u2705 SessionMint is the only session writer and AuthBroker gets a read-only port, enforced by types not convention. \u274c Touches the bootstrap file and both service constructors."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep module export, add serializing proxy",
|
||||
"description": "\u2705 Smaller diff; interleaved writes on one key get serialized (human: ~0.5 day / CC: ~10min). \u2705 No bootstrap changes. \u274c Still a hidden global; test isolation and duplicate-bundle problems remain."
|
||||
},
|
||||
{
|
||||
"label": "C) Do nothing",
|
||||
"description": "\u2705 Zero effort. \u2705 Matches the plan as written. \u274c Both A1 failure scenarios stay live and the plan's own test coverage cannot isolate state."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 \u2014 Module-level AuthCache singleton \u2192 constructor injection with a single writer?\nProject/branch/task: main \u2014 Multi-tenant Auth Refactor, Architecture finding A1 (PLAN.md:19-20: \"share a global mutable AuthCache instance via module-level export. Both services mutate it\").\nELI10: Right now both services grab the same global cache object from a module import and both write to it. Nobody can tell who owns a write, and tests share state through that global. Building the cache once at app startup and handing it to each service makes the dependency visible and gives every test its own instance. With D1 answered, the injected thing is the existing adapter behind a narrow interface.\nStakes if we pick wrong: flaky or order-dependent tests, and a production bundle with two \"singletons\" where an invalidation clears the wrong one.\nRecommendation: A because it is the standard Layer 1 fix (composition root + DI) and costs minutes with CC; it maps to your explicit-over-clever preference.\nCompleteness: A=9/10, B=6/10, C=2/10\nNet: explicit dependencies now versus hidden coupling you debug later.": "A) Composition-root injection, single writer (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T09:44:39.717Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "26447393-d025-40f1-a80a-e6a34fcddf1a",
|
||||
"toolUseId": "toolu_01BohFzt1fQdwGkAf2KTWQfm",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 \u2014 Split validateAndDispatch() and stop swallowing errors?\nProject/branch/task: main \u2014 Multi-tenant Auth Refactor, Code quality finding C1 (PLAN.md:23-24: \"60 lines with three nested try/catch blocks; each catch swallows a different error class\").\nELI10: The function catches three kinds of errors and quietly keeps going. In an auth path, a swallowed error is an authorization decision made by accident: an IDP 503 can fall through to dispatch with partial claims. Splitting validation from dispatch and returning typed errors makes every outcome named, logged, and testable.\nStakes if we pick wrong: requests proceed on partial claims, or fail with no log line. This is the second critical gap.\nRecommendation: A because explicit over clever is your stated preference and each branch gets its own test; B logs a bug you keep.\nCompleteness: A=9/10, B=5/10, C=1/10\nNet: a real refactor with tests versus logging a bug you keep.",
|
||||
"header": "D5 errors",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Split + typed AuthError taxonomy + rethrow unknown (recommended)",
|
||||
"description": "\u2705 Every error path becomes a named, tested outcome (IdpUnavailable, TokenInvalid, PolicyDenied, Unknown) (human: ~1 day / CC: ~20min). \u2705 60 lines with 3 nested try/catch become two ~20-line functions with one boundary try. \u274c Callers that relied on silent continuation will surface; that is the point, but it is work."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep structure, add a log line per catch",
|
||||
"description": "\u2705 Trivial diff (human: ~1h / CC: ~3min). \u2705 Failures become visible in logs. \u274c Behavior is still wrong and still untestable per branch."
|
||||
},
|
||||
{
|
||||
"label": "C) Leave as-is",
|
||||
"description": "\u2705 Zero effort. \u2705 No behavior change for existing callers. \u274c Critical gap stays open: silent allow on IDP failure."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 \u2014 Split validateAndDispatch() and stop swallowing errors?\nProject/branch/task: main \u2014 Multi-tenant Auth Refactor, Code quality finding C1 (PLAN.md:23-24: \"60 lines with three nested try/catch blocks; each catch swallows a different error class\").\nELI10: The function catches three kinds of errors and quietly keeps going. In an auth path, a swallowed error is an authorization decision made by accident: an IDP 503 can fall through to dispatch with partial claims. Splitting validation from dispatch and returning typed errors makes every outcome named, logged, and testable.\nStakes if we pick wrong: requests proceed on partial claims, or fail with no log line. This is the second critical gap.\nRecommendation: A because explicit over clever is your stated preference and each branch gets its own test; B logs a bug you keep.\nCompleteness: A=9/10, B=5/10, C=1/10\nNet: a real refactor with tests versus logging a bug you keep.": "A) Split + typed AuthError taxonomy + rethrow unknown (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T09:45:43.007Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "26447393-d025-40f1-a80a-e6a34fcddf1a",
|
||||
"toolUseId": "toolu_016459fhN82mqXuCRYoktSvN",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 \u2014 Parallelize IDP calls with per-call timeouts, shared abort, and JWKS/discovery caching?\nProject/branch/task: main \u2014 Multi-tenant Auth Refactor, Performance finding P1 (PLAN.md:31-32: \"5 sequential API calls to the IDP; they could be parallelized via Promise.all trivially\").\nELI10: Running the five calls at once is faster, but Promise.all on its own still hangs the whole validation if one call hangs, and a failure leaves the other four in flight burning IDP quota. Two of the five (discovery document, JWKS) almost never change and should be cached, so the real win is making fewer calls, not just faster ones.\nStakes if we pick wrong: validation hangs on one slow IDP call, or a cold cache after deploy hits IDP rate limits with 5\u00d7 the calls.\nRecommendation: A because \"trivially Promise.all\" is the incomplete version; timeouts and caching are minutes with CC and remove two failure modes.\nCompleteness: A=9/10, B=6/10, C=2/10\nNet: a cache with one edge case (kid miss) versus unbounded latency and IDP quota burn.",
|
||||
"header": "D9 perf",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Promise.all + per-call timeout + shared abort + JWKS/discovery cache (recommended)",
|
||||
"description": "\u2705 Cold validation drops from 5 calls to 2-3; warm cache hit is 0 IDP calls (human: ~1 day / CC: ~15min). \u2705 Worst-case latency is bounded; a failure aborts siblings instead of leaking them. \u274c JWKS cache needs kid-miss refresh logic and its own test (R5 covers it)."
|
||||
},
|
||||
{
|
||||
"label": "B) Promise.all only, as the plan says",
|
||||
"description": "\u2705 Immediate latency win with a minimal diff (human: ~1h / CC: ~3min). \u2705 No new cache to reason about. \u274c One hung call still hangs validation; 5\u00d7 IDP load on every cold validation."
|
||||
},
|
||||
{
|
||||
"label": "C) Keep sequential",
|
||||
"description": "\u2705 No change; lowest IDP concurrency. \u2705 Simplest failure semantics. \u274c 5\u00d7 serial latency on every cold validation."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 \u2014 Parallelize IDP calls with per-call timeouts, shared abort, and JWKS/discovery caching?\nProject/branch/task: main \u2014 Multi-tenant Auth Refactor, Performance finding P1 (PLAN.md:31-32: \"5 sequential API calls to the IDP; they could be parallelized via Promise.all trivially\").\nELI10: Running the five calls at once is faster, but Promise.all on its own still hangs the whole validation if one call hangs, and a failure leaves the other four in flight burning IDP quota. Two of the five (discovery document, JWKS) almost never change and should be cached, so the real win is making fewer calls, not just faster ones.\nStakes if we pick wrong: validation hangs on one slow IDP call, or a cold cache after deploy hits IDP rate limits with 5\u00d7 the calls.\nRecommendation: A because \"trivially Promise.all\" is the incomplete version; timeouts and caching are minutes with CC and remove two failure modes.\nCompleteness: A=9/10, B=6/10, C=2/10\nNet: a cache with one edge case (kid miss) versus unbounded latency and IDP quota burn.": "A) Promise.all + per-call timeout + shared abort + JWKS/discovery cache (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T09:47:14.009Z"
|
||||
}
|
||||
],
|
||||
"declaration": "### REGRESSION (mandatory, authorized by the coverage-audit regression rule \u2014 no question asked)\n\n`legacyAuthFlow()` is existing behavior being rewritten (PLAN.md:27-28) with the plan\nexplicitly disclaiming compatibility coverage (PLAN.md:14-16). This is a regression by\ndefinition. **CRITICAL requirement added to the plan:**\n\n- `auth/legacyAuthFlow.characterization.test.ts` \u2014 record current outputs for: valid\n token, expired token, revoked token, wrong audience, wrong issuer, suspended tenant,\n missing tenant header, IDP 5xx, IDP timeout, malformed JWT. Assert the new path\n (behind the flag) produces identical decisions and equivalent error surfaces. These\n tests are written BEFORE any rewrite (T1) and stay green through cut-over.\n\n",
|
||||
"tasks": "## Implementation Tasks\nSynthesized from this review's findings. Each task derives from a specific\nfinding above. Run with Claude Code or Codex; checkbox as you ship.\n\n- [ ] **T1 (P1, human: ~1 day / CC: ~20min)** \u2014 auth/ \u2014 Write characterization tests for `legacyAuthFlow()` before any rewrite\n - Surfaced by: Test review \u2014 REGRESSION rule; PLAN.md:27-28 \"no regression test for the prior behavior is planned\"\n - Files: `auth/legacyAuthFlow.characterization.test.ts`\n - Verify: suite green on current main; re-run after each later task\n",
|
||||
"review": "## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | \u2014 | \u2014 |\n",
|
||||
"compact": "### REGRESSION (mandatory, authorized by the coverage-audit regression rule \u2014 no question asked)\n\n`legacyAuthFlow()` is existing behavior being rewritten (PLAN.md:27-28) with the plan\nexplicitly disclaiming compatibility coverage (PLAN.md:14-16). This is a regression by\ndefinition. **CRITICAL requirement added to the plan:**\n\n- `auth/legacyAuthFlow.characterization.test.ts` \u2014 record current outputs for: valid\n token, expired token, revoked token, wrong audience, wrong issuer, suspended tenant,\n missing tenant header, IDP 5xx, IDP timeout, malformed JWT. Assert the new path\n (behind the flag) produces identical decisions and equivalent error surfaces. These\n tests are written BEFORE any rewrite (T1) and stay green through cut-over.\n\n\n## Implementation Tasks\nSynthesized from this review's findings. Each task derives from a specific\nfinding above. Run with Claude Code or Codex; checkbox as you ship.\n\n- [ ] **T1 (P1, human: ~1 day / CC: ~20min)** \u2014 auth/ \u2014 Write characterization tests for `legacyAuthFlow()` before any rewrite\n - Surfaced by: Test review \u2014 REGRESSION rule; PLAN.md:27-28 \"no regression test for the prior behavior is planned\"\n - Files: `auth/legacyAuthFlow.characterization.test.ts`\n - Verify: suite green on current main; re-run after each later task\n\n## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | \u2014 | \u2014 |\n"
|
||||
}
|
||||
-44
@@ -1,44 +0,0 @@
|
||||
{
|
||||
"source": "90f099817ac7e56cddafbd6fdac4c12dfd70f4a4",
|
||||
"reportSha256": "d4ae545eec013da903b5b3c0b459f9f8d2543ea838001271bd7c82b27ac848c3",
|
||||
"nativeCall": {
|
||||
"sessionId": "8cb0e220-9725-4e5f-a661-26a09d18a235",
|
||||
"toolUseId": "toolu_01DszoYCjnkNfCj5FxaZJsjQ",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D11 — How should legacyAuthFlow() behavior be protected while its callers are re-routed?\nProject/branch/task: Multi-tenant Auth Refactor on `main`; PLAN.md:14-16 excludes legacyAuthFlow() from coverage, and D4 re-routes every caller through a per-tenant flag.\nELI10: legacyAuthFlow() is not being rewritten anymore, but every place that called it now goes through a switch first, and a second path (AuthBroker) has to behave the same way for the same inputs. A \"characterization suite\" records what legacyAuthFlow() does TODAY for six input classes (valid, expired, revoked, malformed token; suspended tenant; IDP down) so any accidental change fails a test. A \"parity suite\" pushes the same six fixtures through the new path with the flag on and checks the accept/deny outcome matches, with the two intentional differences (typed failure instead of swallow, mint refused when suspended) listed as expected. Routing tests check the switch itself. This decides how to cover the regression risk; skipping it is not on the table.\nStakes if we pick wrong: Without characterization, a flagged tenant's parity test has nothing trustworthy to compare against and a legacy regression ships silently to every existing tenant.\nRecommendation: A because with CC the golden fixtures are minutes of work and they are the only oracle you have for \"the new path is compatible\".\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: a pinned oracle plus parity plus routing vs. testing the new path against an unpinned moving target.",
|
||||
"header": "R5 regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Characterization + parity + routing suites (recommended)",
|
||||
"description": "✅ Legacy outputs are pinned for all 6 fixture classes; any drift on `main` fails CI before it reaches a tenant (human: ~2 days / CC: ~40 min).\n✅ The parity suite reuses the same fixtures, so compatibility is asserted against a recorded oracle, not against memory.\n❌ Golden fixtures must be regenerated deliberately when legacy behavior is meant to change (it isn't, in this PR)."
|
||||
},
|
||||
{
|
||||
"label": "Parity + routing suites only",
|
||||
"description": "✅ Covers the new path against legacy as it runs today, plus the flag switch.\n✅ Fewer files: no standalone legacy suite.\n❌ If legacy itself drifts, both sides move together and parity still passes; the drift ships."
|
||||
},
|
||||
{
|
||||
"label": "Routing tests only",
|
||||
"description": "✅ Cheapest; proves the flag sends each tenant to the right function.\n✅ No fixture maintenance.\n❌ Neither path's behavior is asserted; compatibility is assumed, not tested."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 — How should legacyAuthFlow() behavior be protected while its callers are re-routed?\nProject/branch/task: Multi-tenant Auth Refactor on `main`; PLAN.md:14-16 excludes legacyAuthFlow() from coverage, and D4 re-routes every caller through a per-tenant flag.\nELI10: legacyAuthFlow() is not being rewritten anymore, but every place that called it now goes through a switch first, and a second path (AuthBroker) has to behave the same way for the same inputs. A \"characterization suite\" records what legacyAuthFlow() does TODAY for six input classes (valid, expired, revoked, malformed token; suspended tenant; IDP down) so any accidental change fails a test. A \"parity suite\" pushes the same six fixtures through the new path with the flag on and checks the accept/deny outcome matches, with the two intentional differences (typed failure instead of swallow, mint refused when suspended) listed as expected. Routing tests check the switch itself. This decides how to cover the regression risk; skipping it is not on the table.\nStakes if we pick wrong: Without characterization, a flagged tenant's parity test has nothing trustworthy to compare against and a legacy regression ships silently to every existing tenant.\nRecommendation: A because with CC the golden fixtures are minutes of work and they are the only oracle you have for \"the new path is compatible\".\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: a pinned oracle plus parity plus routing vs. testing the new path against an unpinned moving target.": "Characterization + parity + routing suites (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T16:07:06.905Z"
|
||||
},
|
||||
"originalOutcome": "seed_coverage_failed",
|
||||
"originalMissing": [
|
||||
"complexity",
|
||||
"sequential-idp",
|
||||
"mandatory legacy regression test absent"
|
||||
],
|
||||
"scope": "Exact relevant declaration, implementation task and owned ledger excerpts from the final report; original paid failure remains unaccepted.",
|
||||
"report": "# Current reviewed plan\n\nReviewed target: `PLAN.md` (\"Plan: Multi-tenant Auth Refactor\") on `main` @ `eb94ff5`\n\n## Tests\n**Regression contract (R5, D11, Iron Rule):**\n1. `legacyAuthFlow` characterization suite: golden fixtures pinning current outputs for\n valid, expired, revoked, malformed token; suspended tenant; IDP unavailable.\n2. Parity suite: the same six fixtures through `AuthBroker` with the flag on, asserting\n identical accept/deny outcome and session shape. Enumerated expected divergences: typed\n `AuthFailure` deny where legacy swallowed (R3); mint refused when the suspension marker is\n set (R2).\n3. Routing suite: flag off → legacy; flag on → broker; flag lookup throws → legacy.\n\n## Implementation Tasks\n- [ ] **T9 (P1 CRITICAL, human: ~1 day / CC: ~20 min)** — tests — Write the `legacyAuthFlow` characterization suite (6 golden fixtures). Can start first, independent of all other tasks.\n - Surfaced by: Tests — T1 (PLAN.md:14-16, :27-28), D11\n - Files: test/auth/legacy/legacyAuthFlow.characterization.test, test/fixtures/auth/*\n - Verify: suite green on unmodified main before any refactor lands\n\n## Review ledger\n### R5: Regression contract for legacyAuthFlow() callers (Iron Rule)\nFinding: T1, P1 CRITICAL, confidence 9/10, PLAN.md:14-16 (\"That coverage does not exercise legacyAuthFlow() or assert compatibility with its prior behavior.\") + PLAN.md:27-28, reviewer: plan-eng-review (Claude)\nPlan baseline: no regression coverage of legacy behavior (original); after D4 the function body is untouched but every caller is re-routed through the per-tenant flag, so its behavior is still at risk\nRuntime evidence: unknown; repo has no tests (TESTFILES:0). The plan claims existing adapter tests exist and remain unchanged (PLAN.md:12-13); not verifiable here\nState: approved\n\nBehavior to preserve (legacy tenants, flag off): identical accept/deny outcome and session shape for valid, expired, revoked, malformed tokens; suspended tenant; IDP unavailable.\nIntentional differences (flagged tenants only): typed `AuthFailure` deny where legacy swallowed (R3); mint refused when suspension marker set (R2). Enumerated as expected divergences in the parity suite.\n\nComparison grid:\n\n| Choice | Current | A) Characterization + parity + routing | B) Parity + routing | C) Routing only |\n|---|---|---|---|---|\n| R5 legacy characterization (golden fixtures pin current legacyAuthFlow outputs) | none, pending | yes: 6 fixture classes above | no | no |\n| R5 parity suite (same fixtures through AuthBroker path, flag on; divergences enumerated) | none, pending | yes | yes | no |\n| R5 flag routing tests (off -> legacy, on -> broker, lookup failure -> legacy) | none, pending | yes | yes | yes |\n| D4 cutover contract | approved | unchanged | unchanged | unchanged |\n| Completeness | - | 10/10 | 7/10 | 3/10 |\n\nQuestion D11: \"How should legacyAuthFlow() behavior be protected while its callers are re-routed?\" Options: A) Characterization + parity + routing suites (recommended, 10/10); B) Parity + routing only (7/10); C) Routing only (3/10).\n\nActual answer: A (D11)\nAccepted scope: (1) `legacyAuthFlow` characterization suite with golden fixtures for valid, expired, revoked, malformed token, suspended tenant, IDP unavailable; (2) parity suite running the same fixtures through AuthBroker with flag on, asserting identical accept/deny and session shape, with two enumerated expected divergences; (3) routing suite: flag off -> legacy, flag on -> broker, flag lookup throws -> legacy.\nHistory: none\n"
|
||||
}
|
||||
-367
@@ -1,367 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (eng-reviewed)
|
||||
|
||||
Reviewed by `/plan-eng-review` on 2026-09-10, branch `main`, commit `18d2903`.
|
||||
Source plan: `PLAN.md`. Mode: SCOPE_REDUCED (Step 0, decision D2).
|
||||
Every remedy below was approved individually (D1-D14). Nothing was auto-decided.
|
||||
|
||||
## Context
|
||||
|
||||
The repo's auth path is single-flow (`legacyAuthFlow()`) over a cache adapter that
|
||||
already keys entries by tenant ID, issuer, audience, and policy version, evicts expired
|
||||
tokens, and invalidates on logout, token revocation, and tenant suspension. This work
|
||||
introduces a broker/mint split so tenants can be served by a dedicated broker path
|
||||
while the adapter and its invalidation hooks stay untouched.
|
||||
|
||||
The original draft (PLAN.md) named its own smells but did not resolve them: a global
|
||||
mutable cache shared by two writers, a 60-line validator that swallows three error
|
||||
classes, a big-bang rewrite of the live login path with no regression test, five
|
||||
sequential IDP round trips, and five new units across 12 files. This reviewed plan
|
||||
resolves each one with a specific, approved remedy.
|
||||
|
||||
Goal (stated here because the draft had none): tenant-scoped authentication with the
|
||||
same user-visible behavior as today, no cross-tenant token reuse, fail-closed error
|
||||
handling, and login latency bounded by one IDP round trip instead of five.
|
||||
|
||||
## Existing contracts retained (unchanged from draft)
|
||||
|
||||
The existing cache adapter keys entries by tenant ID, issuer, audience, and policy
|
||||
version. It evicts expired tokens and invalidates entries on logout, token revocation,
|
||||
or tenant suspension. The adapter, its invalidation hooks, and their existing tests
|
||||
remain in use unchanged. `AuthCache` is a service-facing facade over that one adapter,
|
||||
with one backing cache. The adapter does not serialize mutations; the facade now does
|
||||
(decision 1A).
|
||||
|
||||
## Scope (reduced per D2)
|
||||
|
||||
| Unit | Status | Reason |
|
||||
|------|--------|--------|
|
||||
| `AuthBroker` | NEW service | Does new work: tenant-routed authentication |
|
||||
| `SessionMint` | NEW service | Does new work: session issuance |
|
||||
| `AuthCache` | NEW facade | Single service-facing wrapper over the existing adapter |
|
||||
| `TokenStore` | CUT (merged into `AuthCache`) | Second wrapper over the same adapter; duplication |
|
||||
| `RequestPolicy` | CUT as a class; becomes a typed value | Policy version is already a key dimension of the adapter |
|
||||
| `validateAndDispatch()` | SPLIT into `validateToken()` + `dispatch()` | Decision 5A |
|
||||
| `legacyAuthFlow()` | KEPT behind a flag until parity | Decision 2A |
|
||||
|
||||
Net: 3 new units, roughly 7-8 files (draft: 5 units, 12 files).
|
||||
|
||||
## Architecture
|
||||
|
||||
### Request flow (ASCII; also lives as a comment atop `auth/AuthBroker` per 4A)
|
||||
|
||||
```
|
||||
request(tenantId, token)
|
||||
│
|
||||
▼
|
||||
┌──────────────────┐ flag OFF ┌──────────────────┐
|
||||
│ auth router │─────────────▶│ legacyAuthFlow() │──▶ response (unchanged)
|
||||
│ (per-tenant flag)│ └──────────────────┘
|
||||
└────────┬─────────┘
|
||||
│ flag ON
|
||||
▼
|
||||
┌──────────────────┐ TenantKey ┌──────────────────┐ miss ┌──────────┐
|
||||
│ AuthBroker │──────────────▶│ AuthCache facade │──────────▶│ IDP │
|
||||
│ .authenticate() │◀──────────────│ get/put/invalid. │◀──────────│ (∥ calls)│
|
||||
└────────┬─────────┘ hit/value │ per-key ordering │ settled └──────────┘
|
||||
│ │ + coalescing │
|
||||
│ validateToken() → Result└────────┬─────────┘
|
||||
│ Valid | Expired | Revoked | │ one instance, injected
|
||||
│ IssuerMismatch | IdpUnavailable │ from composition root
|
||||
▼ ▼
|
||||
┌──────────────────┐ ┌──────────────────┐
|
||||
│ dispatch(Result) │ │ SessionMint │
|
||||
│ → route / 401 / │ │ .mint(TenantKey) │
|
||||
│ 403 / 503 │ └──────────────────┘
|
||||
└──────────────────┘
|
||||
```
|
||||
|
||||
### Invalidation fan-in (ASCII; also a comment atop `auth/AuthCache`)
|
||||
|
||||
```
|
||||
logout ─────────┐
|
||||
token revoked ──┼──▶ existing adapter hooks ──▶ AuthCache.invalidate(TenantKey)
|
||||
tenant suspend ─┘ (unchanged) │ serialized per key with
|
||||
│ in-flight puts (1A)
|
||||
▼
|
||||
one backing cache
|
||||
keyed by TenantKey only (3A)
|
||||
```
|
||||
|
||||
### Decisions applied
|
||||
|
||||
1. **1A — Inject `AuthCache`; narrow write API with per-key ordering.** No module-level
|
||||
export. The composition root constructs one `AuthCache` and passes it to
|
||||
`AuthBroker` and `SessionMint` by constructor. The facade exposes `get`, `put`,
|
||||
`invalidate`, each keyed by `TenantKey`, and keeps a per-key in-flight map so a
|
||||
mint and an invalidate on the same key settle in a defined order.
|
||||
2. **2A — Strangler seam.** One entry point routes per tenant (config flag) to
|
||||
`legacyAuthFlow()` or `AuthBroker`. Rollback is a config flip. Legacy removal is a
|
||||
TODO with an explicit exit condition (see TODOS.md updates).
|
||||
3. **3A — Typed `TenantKey` built only inside `AuthCache`.** Record of
|
||||
`{ tenantId, issuer, audience, policyVersion }`; the facade is the only code that
|
||||
serializes it. A property test asserts distinct tenants with identical issuer and
|
||||
audience never collide.
|
||||
4. **4A — Diagrams and failure table in the plan and as code comments** in
|
||||
`AuthBroker` and `AuthCache`. Diagram maintenance is part of any later change.
|
||||
5. **8A — Per-key request coalescing** inside `AuthCache`, reusing the 1A in-flight
|
||||
map: concurrent misses for one key share one IDP fetch; a failed shared fetch rejects
|
||||
every waiter with the typed error.
|
||||
|
||||
### Production failure scenarios per new codepath
|
||||
|
||||
| Codepath | Realistic failure | Handled by | User sees |
|
||||
|----------|-------------------|------------|-----------|
|
||||
| router flag lookup | flag store unreachable | default to legacy path, log | normal login |
|
||||
| `AuthBroker.authenticate` | IDP unreachable | `IdpUnavailable` result, fail closed | 503 with retry hint |
|
||||
| `AuthCache.put` vs `invalidate` | interleaved writes on one key | per-key ordering (1A) | revoked stays revoked |
|
||||
| `AuthCache` key build | caller omits tenant | impossible: only facade builds key (3A) | n/a |
|
||||
| `AuthCache` miss burst | N concurrent misses, hot tenant | coalescing (8A) | one round trip |
|
||||
| `validateToken` ∥ IDP calls | 1 of 5 rejects or times out | per-call typed classification (7A) | 401 or 503, never hang |
|
||||
| `SessionMint.mint` | double submit | idempotent per (TenantKey, claims) | one session |
|
||||
| tenant suspended mid-request | suspension lands between get and dispatch | invalidate wins; dispatch re-checks | 403 |
|
||||
|
||||
## Code quality
|
||||
|
||||
- **5A — Split `validateAndDispatch()`.** `validateToken()` returns a typed
|
||||
`Result` (`Valid | Expired | Revoked | IssuerMismatch | IdpUnavailable`);
|
||||
`dispatch()` switches on it. One error boundary at the entry point logs with tenant
|
||||
context and maps to 401/403/503. No catch swallows anything; unknown errors fail
|
||||
closed. Callers that relied on silent fallthrough will start seeing 401s, which is the
|
||||
intended behavior change.
|
||||
- **DRY (resolved by D2):** `TokenStore` merged into `AuthCache`; one wrapper over one
|
||||
adapter.
|
||||
- **Consistency (resolved by D2):** the draft listed 4 new classes in one section and
|
||||
named a 5th (`AuthBroker`) in another; the scope table above is now the single list.
|
||||
- **Explicit over clever:** `TenantKey` is a record, not a concatenated string;
|
||||
`RequestPolicy` is a typed value passed into `TenantKey.policyVersion`, not a class.
|
||||
|
||||
## Performance
|
||||
|
||||
- **7A — Parallel IDP calls with per-call classification.** Use `Promise.allSettled`
|
||||
(or `Promise.all` with a per-call catch) and map each outcome to a typed `AuthError`
|
||||
so a failed introspection reads differently from a failed key fetch. Per-call timeout
|
||||
budget so no request hangs. Cache the issuer discovery document and JWKS per issuer
|
||||
with TTL and a rotation-triggered refresh; most validations then need 0-1 live calls.
|
||||
- **8A — Coalescing** (above) bounds refills to one per key per expiry.
|
||||
- Observability (D13, built in this PR): per-tenant IDP latency histogram, cache hit
|
||||
ratio, coalesced-miss count, 401/503 rates, tagged by path (`legacy|broker`), emitted
|
||||
at the `AuthCache` facade and `validateToken()` boundary using the project's existing
|
||||
metrics client. Cap tenant-tag cardinality.
|
||||
|
||||
## Tests
|
||||
|
||||
Test framework: none detectable in this fixture repo (only `PLAN.md` is committed).
|
||||
The plan's `Promise.all` reference implies a Node/TypeScript runner; confirm the real
|
||||
repo's runner and naming convention before creating files. Paths below use
|
||||
`tests/auth/*.test.ts` as the convention to match.
|
||||
|
||||
### CRITICAL — regression (mandatory, REGRESSION RULE)
|
||||
|
||||
`legacyAuthFlow()` is live behavior being changed with no covering test (PLAN.md:27-28).
|
||||
Before any rewrite: `tests/auth/legacyAuthFlow.characterization.test.ts` records current
|
||||
outputs (including quirks) for valid, expired, revoked, issuer-mismatch, IDP-unavailable,
|
||||
and tenant-suspended inputs. This suite runs against the legacy path now and moves to
|
||||
`AuthBroker` when the flag is removed (TODO 1).
|
||||
|
||||
### Coverage diagram (after 6A every GAP below becomes a named test)
|
||||
|
||||
```
|
||||
CODE PATHS USER FLOWS
|
||||
[+] auth/AuthBroker [+] Login, flag ON (new path)
|
||||
├── authenticate(req, tenantKey) ├── [GAP→E2E] valid token → session issued
|
||||
│ ├── [PLANNED ★★] success — PLAN.md:14 ├── [GAP→E2E] expired → 401 + re-auth prompt
|
||||
│ ├── [PLANNED ★★] error — PLAN.md:14 ├── [GAP] revoked mid-session → 401 next request
|
||||
│ ├── [GAP] IDP unreachable → IdpUnavailable └── [GAP] tenant suspended mid-request → 403
|
||||
│ ├── [GAP] cache hit / cache miss (both branches)
|
||||
│ └── [GAP] concurrent mint + revoke, same key [+] Login, flag OFF (legacy path)
|
||||
└── flag router (legacy | broker) ├── [REGRESSION][CRITICAL] characterization suite
|
||||
├── [GAP] flag on → AuthBroker └── [GAP→E2E] parity: same input, same result
|
||||
└── [GAP] flag off → legacyAuthFlow
|
||||
[+] auth/SessionMint [+] Error states
|
||||
└── mint(tenantKey, claims) ├── [GAP] IDP 5xx → 503, never a silent pass
|
||||
├── [PLANNED ★★] success/error — PLAN.md:14 ├── [GAP] IDP timeout → bounded wait, then 503
|
||||
└── [GAP] double-submit mint is idempotent └── [GAP] 1-of-5 IDP call fails → typed error
|
||||
[+] auth/AuthCache (facade over existing adapter)
|
||||
├── [GAP] TenantKey isolation property test (3A)
|
||||
├── [GAP] per-key write ordering, mint vs invalidate (1A)
|
||||
├── [GAP] coalesced miss: N waiters, 1 fetch; failed fetch rejects all (8A)
|
||||
├── [GAP] logout/revoke/suspend invalidation via facade
|
||||
└── [EXISTING ★★★] adapter eviction/invalidation — PLAN.md:12-13
|
||||
[+] auth/validate.ts
|
||||
├── validateToken(): [GAP] Valid/Expired/Revoked/IssuerMismatch/IdpUnavailable (5)
|
||||
├── validateToken(): [GAP] ∥ IDP calls all-ok / one-rejects / all-reject
|
||||
├── validateToken(): [GAP] JWKS cache hit / stale after rotation → refresh
|
||||
└── dispatch(): [GAP] each Result variant → route + status
|
||||
|
||||
COVERAGE (draft): 4/33 paths (12%) | Code: 4/23 | User flows: 0/10
|
||||
QUALITY: ★★★:1 ★★:3 | GAPS: 29 (3 E2E, 0 eval, 1 REGRESSION)
|
||||
TARGET (this plan): 33/33
|
||||
```
|
||||
|
||||
### Tests to write (6A)
|
||||
|
||||
| File | Asserts |
|
||||
|------|---------|
|
||||
| `tests/auth/legacyAuthFlow.characterization.test.ts` | CRITICAL: current behavior per input class, quirks included |
|
||||
| `tests/auth/authBroker.test.ts` | success; each `Result` variant; cache hit vs miss; IDP unreachable → `IdpUnavailable` |
|
||||
| `tests/auth/authRouter.test.ts` | flag on → broker; flag off → legacy; flag store down → legacy + log |
|
||||
| `tests/auth/sessionMint.test.ts` | success/error; double submit yields one session |
|
||||
| `tests/auth/authCache.property.test.ts` | property: distinct tenants, same issuer+audience, never collide; suspension invalidates only that tenant |
|
||||
| `tests/auth/authCache.concurrency.test.ts` | mint then invalidate on one key settles in order; N concurrent misses → 1 fetch; failed fetch rejects all waiters |
|
||||
| `tests/auth/authCache.invalidation.test.ts` | logout/revoke/suspend hooks reach the facade and clear the right key |
|
||||
| `tests/auth/validateToken.test.ts` | 5 Result variants; ∥ IDP all-ok / one-rejects / all-reject; per-call timeout; JWKS cache hit and rotation refresh |
|
||||
| `tests/auth/dispatch.test.ts` | each Result → route or 401/403/503; nothing swallowed |
|
||||
| `tests/auth/e2e/login.e2e.test.ts` [→E2E] | valid login → authed request → logout → 401 (stubbed IDP) |
|
||||
| `tests/auth/e2e/expired.e2e.test.ts` [→E2E] | expired → 401 → re-auth → works |
|
||||
| `tests/auth/e2e/parity.e2e.test.ts` [→E2E] | same inputs through legacy and broker produce identical outcomes |
|
||||
|
||||
### QA test plan artifact
|
||||
|
||||
Written for `/qa` and `/qa-only` at
|
||||
`~/.gstack/projects/gstack-plan-count-4WfoHa/vercel-sandbox-main-eng-review-test-plan-20260910-181559.md`.
|
||||
|
||||
## What already exists
|
||||
|
||||
| Sub-problem | Existing code | Plan's use |
|
||||
|-------------|---------------|------------|
|
||||
| Tenant/issuer/audience/policy keying | cache adapter | Reused via `AuthCache`; `TenantKey` formalizes it |
|
||||
| Expiry eviction | cache adapter | Reused unchanged |
|
||||
| Invalidation on logout/revoke/suspend | adapter hooks + tests | Reused unchanged; facade routes through them |
|
||||
| Login behavior | `legacyAuthFlow()` | Kept behind flag; characterized; removed later |
|
||||
| Token storage | cache adapter | Draft rebuilt it as `TokenStore`; now cut |
|
||||
| Policy versioning | adapter key dimension | Draft rebuilt it as `RequestPolicy` class; now a typed value |
|
||||
| Metrics emission | project metrics client (assumed) | Reuse; do not add a client |
|
||||
|
||||
## NOT in scope
|
||||
|
||||
- **Removing `legacyAuthFlow()` and the flag** — TODO 1; needs parity data first.
|
||||
- **Load-testing the miss storm / IDP rate limits** — TODO 3; separate harness.
|
||||
- **Changing the cache adapter or its invalidation hooks** — retained contract.
|
||||
- **New IDP client library** — reuse the existing one; only call shape changes (7A).
|
||||
- **`TokenStore` and `RequestPolicy` classes** — cut in D2, not deferred.
|
||||
- **Distribution/CI changes** — no new artifact type is introduced.
|
||||
|
||||
## TODOS.md updates (create `TODOS.md` at implementation; file does not exist yet)
|
||||
|
||||
```markdown
|
||||
# TODOS
|
||||
|
||||
## Auth
|
||||
|
||||
### Remove legacyAuthFlow() and the routing flag
|
||||
**What:** Delete legacyAuthFlow, the per-tenant flag, and the router branch; point the characterization suite at AuthBroker.
|
||||
**Why:** Finish the strangler; one login path, no dual-path drift, no flag config to audit.
|
||||
**Context:** Added by /plan-eng-review 2026-09-10 (decision 2A/D12). Exit condition: parity E2E green in staging and all tenants on the broker path for two release cycles. Start at auth router.
|
||||
**Effort:** S **Priority:** P2 **Depends on:** 2A shipped; parity.e2e green; all tenants flagged on.
|
||||
|
||||
### Load-test cache-miss storm and IDP rate-limit behavior
|
||||
**What:** k6/artillery scenario against a stubbed, call-counting IDP; assert outbound calls per key per expiry == 1 and p99 login within budget.
|
||||
**Why:** Decision 8A (coalescing) rests on a medium-confidence bet about hot-tenant concurrency; this measures it before production does.
|
||||
**Context:** Added by /plan-eng-review 2026-09-10 (D14). Run before the first production policy-version bump. Read counts from the metrics added in this PR.
|
||||
**Effort:** M **Priority:** P2 **Depends on:** 7A, 8A, metrics (D13) merged.
|
||||
```
|
||||
|
||||
TODO 2 (observability) was chosen as "build now" (D13) and is in scope above.
|
||||
|
||||
## Worktree parallelization strategy
|
||||
|
||||
| Step | Modules touched | Depends on |
|
||||
|------|-----------------|------------|
|
||||
| T5 characterization suite | tests/auth/ (legacy) | — |
|
||||
| T2 AuthCache facade (1A, 3A, 8A) | auth/cache/ | — |
|
||||
| T3 validate/dispatch split (5A) | auth/validate/ | — |
|
||||
| T1 composition root + services | auth/broker/, auth/mint/, app bootstrap | T2 |
|
||||
| T4 flag-routed seam (2A) | auth/router/ | T1, T5 |
|
||||
| T7 ∥ IDP calls + JWKS cache (7A) | auth/idp/ | T3 |
|
||||
| T8 metrics (D13) | auth/cache/, auth/validate/ | T2, T3 |
|
||||
| T9 diagrams as comments (4A) | auth/broker/, auth/cache/ | T1, T2 |
|
||||
| T6 full test suite (6A) | tests/auth/ | T1-T4, T7 |
|
||||
|
||||
- **Lane A:** T2 → T1 → T4 (sequential, shared auth/cache → broker → router)
|
||||
- **Lane B:** T3 → T7 (sequential, shared auth/validate → auth/idp)
|
||||
- **Lane C:** T5 (independent)
|
||||
- **Execution:** launch A, B, C in parallel worktrees. Merge all three. Then T8 + T9
|
||||
(touch both lanes' modules). Then T6.
|
||||
- **Conflict flag:** T8 touches auth/cache/ (Lane A) and auth/validate/ (Lane B).
|
||||
Run it only after both lanes merge.
|
||||
|
||||
## Implementation Tasks
|
||||
Synthesized from this review's findings. Each task derives from a specific
|
||||
finding above. Run with Claude Code or Codex; checkbox as you ship.
|
||||
|
||||
- [ ] **T1 (P1, human: ~1 day / CC: ~20 min)** — auth/broker, auth/mint, bootstrap — Inject one `AuthCache` from the composition root; delete the module-level export
|
||||
- Surfaced by: Architecture — Issue 1 (PLAN.md:19-20), decision 1A
|
||||
- Files: auth/broker/AuthBroker.ts, auth/mint/SessionMint.ts, app/bootstrap.ts
|
||||
- Verify: `tests/auth/authBroker.test.ts` constructs services with a fake cache; no `import { authCache }` anywhere
|
||||
- [ ] **T2 (P1, human: ~1 day / CC: ~30 min)** — auth/cache — `AuthCache` facade: `TenantKey` record built only here, per-key write ordering, per-key request coalescing
|
||||
- Surfaced by: Architecture — Issues 1, 3 (PLAN.md:10-12, 19-20); Performance — Issue 8; decisions 1A, 3A, 8A
|
||||
- Files: auth/cache/AuthCache.ts, auth/cache/TenantKey.ts
|
||||
- Verify: `authCache.property.test.ts`, `authCache.concurrency.test.ts` green
|
||||
- [ ] **T3 (P1, human: ~1 day / CC: ~20 min)** — auth/validate — Split `validateAndDispatch()` into `validateToken()` returning typed `Result` and `dispatch()`; single fail-closed error boundary
|
||||
- Surfaced by: Code Quality — Issue 5 (PLAN.md:23-24), decision 5A
|
||||
- Files: auth/validate/validateToken.ts, auth/validate/dispatch.ts, auth/errors.ts
|
||||
- Verify: `validateToken.test.ts`, `dispatch.test.ts`; grep shows zero empty catch blocks
|
||||
- [ ] **T4 (P1, human: ~1 day / CC: ~20 min)** — auth/router — Per-tenant flag routes to `legacyAuthFlow()` or `AuthBroker`; flag-store failure defaults to legacy
|
||||
- Surfaced by: Architecture — Issue 2 (PLAN.md:27-28), decision 2A
|
||||
- Files: auth/router/authRouter.ts, config/flags
|
||||
- Verify: `authRouter.test.ts`; flipping the flag in staging switches paths without deploy
|
||||
- [ ] **T5 (P1, human: ~4 hrs / CC: ~15 min)** — tests/auth — CRITICAL regression: characterization suite for `legacyAuthFlow()` current behavior
|
||||
- Surfaced by: Tests — REGRESSION RULE (PLAN.md:27-28)
|
||||
- Files: tests/auth/legacyAuthFlow.characterization.test.ts
|
||||
- Verify: suite green against unmodified legacy before any other task merges
|
||||
- [ ] **T6 (P1, human: ~3 days / CC: ~1 hr)** — tests/auth — Close all 29 coverage gaps: unit, property, concurrency, and 3 E2E flows against a stubbed IDP
|
||||
- Surfaced by: Tests — Issue 6 (PLAN.md:14-16), decision 6A
|
||||
- Files: tests/auth/*.test.ts, tests/auth/e2e/*.e2e.test.ts (table above)
|
||||
- Verify: coverage report shows every diagram branch exercised; E2E suite green
|
||||
- [ ] **T7 (P2, human: ~1 day / CC: ~20 min)** — auth/idp — Parallel IDP calls with per-call typed classification, per-call timeout, issuer discovery + JWKS cache with TTL and rotation refresh
|
||||
- Surfaced by: Performance — Issue 7 (PLAN.md:31-32), decision 7A
|
||||
- Files: auth/idp/idpClient.ts, auth/idp/jwksCache.ts
|
||||
- Verify: `validateToken.test.ts` ∥ cases; p50 login latency ≈ 1 IDP round trip in staging
|
||||
- [ ] **T8 (P2, human: ~3 hrs / CC: ~10 min)** — auth/cache, auth/validate — Per-tenant metrics: IDP latency, hit ratio, coalesced misses, 401/503 rates, tagged by path
|
||||
- Surfaced by: TODO 2 chosen "build now" (D13)
|
||||
- Files: auth/cache/AuthCache.ts, auth/validate/validateToken.ts, using existing metrics client
|
||||
- Verify: metrics visible in staging dashboard per tenant and path; cardinality cap enforced
|
||||
- [ ] **T9 (P2, human: ~1 hr / CC: ~5 min)** — auth/broker, auth/cache — Embed the request-flow and invalidation ASCII diagrams as file-header comments
|
||||
- Surfaced by: Architecture — Issue 4, decision 4A
|
||||
- Files: auth/broker/AuthBroker.ts, auth/cache/AuthCache.ts
|
||||
- Verify: diagrams match the plan; reviewed on any later change to those files
|
||||
- [ ] **T10 (P3, human: ~10 min / CC: ~1 min)** — TODOS.md — Create file with the two entries above
|
||||
- Surfaced by: TODOS.md updates (D12, D14)
|
||||
- Files: TODOS.md
|
||||
- Verify: entries follow the gstack TODOS format
|
||||
|
||||
## Suppressed findings
|
||||
|
||||
None. Every finding scored 6/10 or higher. Issue 8 (miss storm) was reported at 6/10
|
||||
with the medium-confidence caveat and accepted with a load-test TODO to measure it.
|
||||
|
||||
## Completion summary
|
||||
|
||||
- Step 0: Scope Challenge — scope reduced per recommendation (5 units/12 files → 3 units/~7-8 files)
|
||||
- Architecture Review: 4 issues found, 4 resolved (all complete option)
|
||||
- Code Quality Review: 1 issue found, 1 resolved (2 more resolved by Step 0)
|
||||
- Test Review: diagram produced, 29 gaps identified (1 CRITICAL regression), all added to plan
|
||||
- Performance Review: 2 issues found, 2 resolved
|
||||
- NOT in scope: written
|
||||
- What already exists: written
|
||||
- TODOS.md updates: 3 items proposed (2 added, 1 built now)
|
||||
- Failure modes: 3 critical gaps flagged in the draft (unordered two-writer cache, swallowed auth errors, hand-built tenant keys); 0 remain after approved remedies
|
||||
- Outside voice: skipped (codex_reviews disabled; no native fallback by design)
|
||||
- Parallelization: 3 lanes, 3 parallel then 2 sequential steps
|
||||
- Lake Score: 8/8 recommendations chose the complete option
|
||||
|
||||
## GSTACK REVIEW REPORT
|
||||
|
||||
| Review | Trigger | Why | Runs | Status | Findings |
|
||||
|--------|---------|-----|------|--------|----------|
|
||||
| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |
|
||||
| Outside Review | codex via `/plan-eng-review` | Independent 2nd opinion | 1 | disabled | skipped (codex_reviews disabled) |
|
||||
| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (PLAN) | 8 issues + 29 test gaps, 0 critical gaps remaining, mode SCOPE_REDUCED |
|
||||
| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |
|
||||
| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |
|
||||
|
||||
**OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (user config `codex_reviews=disabled`); no outside findings; no native subagent fallback was dispatched because disabled is an opt-out, not a provider failure.
|
||||
|
||||
**VERDICT:** ENG CLEARED — ready to implement. CEO and Design reviews not run (backend-only auth refactor; neither is required).
|
||||
|
||||
NO UNRESOLVED DECISIONS
|
||||
-728
@@ -1,728 +0,0 @@
|
||||
{
|
||||
"source": "b955a49ec344706fa25c4ca47bcb1dac5c06a086",
|
||||
"publicProjectionSha256": "c83d16d0631404150a2b8fad3e5de7dc858e9b276f04baee80c46443f2cb777c",
|
||||
"originalOutcome": "no_review_questions",
|
||||
"startedAt": 1789504730350,
|
||||
"finishedAt": 1789505826450,
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "1f9aa924-7ef7-4c0b-a76e-3202eb5741f2",
|
||||
"toolUseId": "toolu_01BvStSKFLiZ6VNcjKb3inFZ",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Structure",
|
||||
"question": "D7 \u2014 Structure: with RequestPolicy deferred and TokenStore folded, which class arrangement do we build?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: Three arrangements deliver the same features (D4-D6 held fixed, legacy flow untouched behind a flag). A) three classes: AuthBroker and SessionMint as services, AuthCache as the one facade over the existing adapter. B) two classes: drop the AuthCache facade and let both services call the existing adapter directly, since it already keys by tenant/issuer/audience/policy version. C) one service: merge AuthBroker and SessionMint into a single AuthService over the adapter. The facade matters because two services write to one cache; a single seam is where you put the write discipline and the test double.\nStakes if we pick wrong: too many layers and you maintain a pass-through class; too few and cache write rules get duplicated in two services or one service grows into a god object.\nRecommendation: A because both services mutate the same cache (PLAN.md:19-20); one facade is the only place to enforce a single write path and to mock in tests, and it costs one small class. (human: A ~3 days, B ~2.5 days, C ~2 days / CC: A ~40 min, B ~35 min, C ~30 min)\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: one deliberate seam for shared-cache writes vs. fewer files with the write rules spread across callers.",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) 3 classes: Broker, Mint, AuthCache facade (recommended)",
|
||||
"description": "\u2705 Single seam for every cache mutation from both services; the concurrency fix lands once. \u2705 AuthCache is the natural test double and the natural home for the strangler flag check. \u274c One more class than strictly necessary; the facade must stay thin or it becomes a second adapter."
|
||||
},
|
||||
{
|
||||
"label": "B) 2 classes: services use adapter directly",
|
||||
"description": "\u2705 Fewest new files; the adapter already has the right tenant-scoped keys and invalidation hooks. \u2705 No pass-through layer to keep honest. \u274c Write discipline (who may mutate, in what order) gets duplicated in AuthBroker and SessionMint, the DRY smell the review will flag next."
|
||||
},
|
||||
{
|
||||
"label": "C) 1 merged AuthService",
|
||||
"description": "\u2705 Smallest possible surface; one class, one test suite. \u2705 No shared-cache coordination between services because there is only one service. \u274c Brokering and session minting are different responsibilities with different failure modes; one class grows into the god object the refactor was meant to avoid."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 \u2014 Structure: with RequestPolicy deferred and TokenStore folded, which class arrangement do we build?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: Three arrangements deliver the same features (D4-D6 held fixed, legacy flow untouched behind a flag). A) three classes: AuthBroker and SessionMint as services, AuthCache as the one facade over the existing adapter. B) two classes: drop the AuthCache facade and let both services call the existing adapter directly, since it already keys by tenant/issuer/audience/policy version. C) one service: merge AuthBroker and SessionMint into a single AuthService over the adapter. The facade matters because two services write to one cache; a single seam is where you put the write discipline and the test double.\nStakes if we pick wrong: too many layers and you maintain a pass-through class; too few and cache write rules get duplicated in two services or one service grows into a god object.\nRecommendation: A because both services mutate the same cache (PLAN.md:19-20); one facade is the only place to enforce a single write path and to mock in tests, and it costs one small class. (human: A ~3 days, B ~2.5 days, C ~2 days / CC: A ~40 min, B ~35 min, C ~30 min)\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: one deliberate seam for shared-cache writes vs. fewer files with the write rules spread across callers.": "A) 3 classes: Broker, Mint, AuthCache facade (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T20:42:57.969Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "1f9aa924-7ef7-4c0b-a76e-3202eb5741f2",
|
||||
"toolUseId": "toolu_01XLQ5bdUNXoXApuVeeYxfYt",
|
||||
"questions": [
|
||||
{
|
||||
"header": "R1 wiring",
|
||||
"question": "D8 \u2014 R1: how does the shared AuthCache reach AuthBroker and SessionMint?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: Today the plan exports one AuthCache from a module and both services import it (PLAN.md:19-20). That works until you need a second instance (a test, a per-region cache) and discover every import is welded to the same object. Constructor injection means the app's startup code builds one AuthCache and hands it to both services; production still has one instance, tests get a fresh one each.\nStakes if we pick wrong: module export leaves tests order-dependent and hides the coupling the refactor exists to remove; injection adds one composition-root file.\nRecommendation: A because it is the Layer 1 fix for shared mutable singletons and costs one constructor parameter per service. (human: ~3h / CC: ~10 min)\nCompleteness: A=10/10, B=3/10, C=6/10\nNet: explicit wiring you can see in one file vs. implicit wiring you discover in a flaky test.",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Constructor injection (recommended)",
|
||||
"description": "\u2705 One AuthCache built at the composition root and passed to both services; production shape unchanged. \u2705 Every test gets an isolated instance; no shared-state flakes. \u274c Adds a composition-root file and a constructor parameter to each service."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep module-level export",
|
||||
"description": "\u2705 Zero extra wiring; matches the original plan text. \u2705 Fewest files touched. \u274c Test isolation requires module-cache resets; coupling stays hidden; cannot compose a second instance."
|
||||
},
|
||||
{
|
||||
"label": "C) Service locator / getter",
|
||||
"description": "\u2705 Central registry, swappable in tests via a setter. \u2705 No constructor changes. \u274c Dependencies still invisible at the call site; the setter is global mutable state by another name."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
},
|
||||
{
|
||||
"header": "R2 writes",
|
||||
"question": "D9 \u2014 R2: who may write to AuthCache, and how do writes respect invalidation?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: Both services write to one cache with no ordering (PLAN.md:10, :20). Picture a tenant getting suspended while SessionMint is halfway through minting a session: the suspension wipes the tenant's entries, then the mint finishes and writes a brand-new one. The suspended tenant now has a working session. Fix options: make SessionMint the only writer and have each write carry the invalidation version it read (write is rejected if the version moved); or let both write but dedupe in-flight work per key and still version-check; or leave it and rely on token expiry.\nStakes if we pick wrong: a revoked or suspended tenant keeps a live session until TTL; that is a security incident, not a cache bug.\nRecommendation: A because one writer plus a version check is the smallest change that closes the race, and AuthBroker has no reason to write (it validates). (human: ~1 day / CC: ~20 min)\nCompleteness: A=10/10, B=9/10, C=2/10\nNet: a simple rule (one writer, versioned writes) vs. coordination logic in two places vs. accepting the race.",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Single writer + version check (recommended)",
|
||||
"description": "\u2705 Only SessionMint writes; AuthBroker is read-only, so there is exactly one write path to test. \u2705 Write carries the invalidation version it observed; a suspension between read and write rejects the stale mint. \u274c AuthBroker must ask SessionMint (or the facade) to persist anything it learns; slightly more ceremony."
|
||||
},
|
||||
{
|
||||
"label": "B) Per-key in-flight dedupe + version check, both write",
|
||||
"description": "\u2705 Concurrent mints for the same key collapse to one IDP round-trip. \u2705 Version check still closes the suspension race. \u274c Two writers to test and reason about; the dedupe map is more shared mutable state to get right."
|
||||
},
|
||||
{
|
||||
"label": "C) Keep unserialized",
|
||||
"description": "\u2705 No new code; matches the original plan. \u2705 Fastest to ship. \u274c Suspension/revocation race stays open; a suspended tenant can hold a session until expiry. Fails the security bar for an auth refactor."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
},
|
||||
{
|
||||
"header": "R3 flag",
|
||||
"question": "D10 \u2014 R3: strangler flag granularity for routing tenants to the new services?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: D6 keeps legacyAuthFlow() running and routes some traffic to AuthBroker/SessionMint behind a flag. A single on/off flag moves every tenant at once. A per-tenant allowlist lets you move one internal tenant first, watch it, then widen; a global kill switch still exists for emergencies. The cache adapter is already tenant-keyed, so per-tenant costs one lookup.\nStakes if we pick wrong: global-only means your first production test of the new auth path is every customer at the same time; per-tenant adds a small config surface to maintain.\nRecommendation: A because auth is the one place a canary is non-negotiable and the tenant key is already in hand. (human: ~2h / CC: ~10 min)\nCompleteness: A=10/10, B=6/10\nNet: staged rollout you can reverse per tenant vs. one switch for everyone.",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Per-tenant allowlist + global kill switch (recommended)",
|
||||
"description": "\u2705 Canary one tenant, then widen; rollback is per tenant or global. \u2705 Reuses the tenant key already threaded through every request. \u274c Small config surface (allowlist source, who edits it) to document and test."
|
||||
},
|
||||
{
|
||||
"label": "B) Single global boolean",
|
||||
"description": "\u2705 Simplest possible flag; one line to flip. \u2705 No allowlist to maintain. \u274c First real traffic on the new path is all tenants at once; a bug is a full outage, not a canary blip."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 \u2014 R1: how does the shared AuthCache reach AuthBroker and SessionMint?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: Today the plan exports one AuthCache from a module and both services import it (PLAN.md:19-20). That works until you need a second instance (a test, a per-region cache) and discover every import is welded to the same object. Constructor injection means the app's startup code builds one AuthCache and hands it to both services; production still has one instance, tests get a fresh one each.\nStakes if we pick wrong: module export leaves tests order-dependent and hides the coupling the refactor exists to remove; injection adds one composition-root file.\nRecommendation: A because it is the Layer 1 fix for shared mutable singletons and costs one constructor parameter per service. (human: ~3h / CC: ~10 min)\nCompleteness: A=10/10, B=3/10, C=6/10\nNet: explicit wiring you can see in one file vs. implicit wiring you discover in a flaky test.": "A) Constructor injection (recommended)",
|
||||
"D9 \u2014 R2: who may write to AuthCache, and how do writes respect invalidation?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: Both services write to one cache with no ordering (PLAN.md:10, :20). Picture a tenant getting suspended while SessionMint is halfway through minting a session: the suspension wipes the tenant's entries, then the mint finishes and writes a brand-new one. The suspended tenant now has a working session. Fix options: make SessionMint the only writer and have each write carry the invalidation version it read (write is rejected if the version moved); or let both write but dedupe in-flight work per key and still version-check; or leave it and rely on token expiry.\nStakes if we pick wrong: a revoked or suspended tenant keeps a live session until TTL; that is a security incident, not a cache bug.\nRecommendation: A because one writer plus a version check is the smallest change that closes the race, and AuthBroker has no reason to write (it validates). (human: ~1 day / CC: ~20 min)\nCompleteness: A=10/10, B=9/10, C=2/10\nNet: a simple rule (one writer, versioned writes) vs. coordination logic in two places vs. accepting the race.": "A) Single writer + version check (recommended)",
|
||||
"D10 \u2014 R3: strangler flag granularity for routing tenants to the new services?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: D6 keeps legacyAuthFlow() running and routes some traffic to AuthBroker/SessionMint behind a flag. A single on/off flag moves every tenant at once. A per-tenant allowlist lets you move one internal tenant first, watch it, then widen; a global kill switch still exists for emergencies. The cache adapter is already tenant-keyed, so per-tenant costs one lookup.\nStakes if we pick wrong: global-only means your first production test of the new auth path is every customer at the same time; per-tenant adds a small config surface to maintain.\nRecommendation: A because auth is the one place a canary is non-negotiable and the tenant key is already in hand. (human: ~2h / CC: ~10 min)\nCompleteness: A=10/10, B=6/10\nNet: staged rollout you can reverse per tenant vs. one switch for everyone.": "A) Per-tenant allowlist + global kill switch (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T20:45:01.853Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "1f9aa924-7ef7-4c0b-a76e-3202eb5741f2",
|
||||
"toolUseId": "toolu_0167xqCwcTFCEnwz1gtkwoCG",
|
||||
"questions": [
|
||||
{
|
||||
"header": "R4 errors",
|
||||
"question": "D11 \u2014 R4: how should validateAndDispatch() handle errors?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: PLAN.md:23-24 describes a 60-line function with three nested try/catch blocks where each catch quietly eats one kind of error. In an auth path that means a request can fail for three different reasons and the caller sees the same nothing. The complete fix splits the function into named steps and puts one catch at the boundary that turns each failure into a typed error (TokenInvalid, IdpUnavailable, CacheUnavailable) and rethrows it, so the HTTP layer can pick 401 vs 503 and logs say what happened.\nStakes if we pick wrong: keep swallowing and on-call cannot tell an IDP outage from a bad token at 3am; users get a generic failure with no retry hint.\nRecommendation: A because AuthBroker will call this function and its errors feed R6's fail-fast; swallowed errors would defeat both. (human: ~1 day / CC: ~15 min)\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: explicit typed failures vs. quiet fallthrough you debug in production.",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Flatten + typed AuthError, rethrow (recommended)",
|
||||
"description": "\u2705 Each former swallowed class becomes a typed error the HTTP layer maps to 401/403/503 with a clear message. \u2705 Function shrinks to sequential named steps; one test per error class. \u274c Callers that relied on silent undefined must now handle a throw; find them via grep."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep nesting, log inside each catch",
|
||||
"description": "\u2705 Smallest diff; errors at least appear in logs. \u2705 No caller changes. \u274c Callers still get silent fallthrough; 60 lines and three nesting levels remain; logs without propagation do not help the user."
|
||||
},
|
||||
{
|
||||
"label": "C) Leave as is",
|
||||
"description": "\u2705 No work now. \u2705 Zero regression risk in this function. \u274c The new AuthBroker inherits a dispatcher that hides IDP outages and bad tokens alike."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
},
|
||||
{
|
||||
"header": "R5 regression",
|
||||
"question": "D12 \u2014 R5 (Iron Rule): what regression contract protects legacyAuthFlow() and proves the new path is equivalent?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: PLAN.md:14-16 plans zero tests around legacyAuthFlow(). With D6, legacy stays untouched, but two things are still at risk: tenants with the flag off must still reach legacy exactly as before, and tenants with the flag on must get an equivalent session. Behavior to preserve: legacy outputs for success, expired token, revoked token, wrong audience, suspended tenant. Intentional changes: none on the legacy path. Acceptance: a characterization suite pins those five legacy outcomes; a parity test runs the same fixtures through both paths and asserts equivalent session claims and equivalent error class.\nStakes if we pick wrong: a regression in every tenant's login with no test that would have caught it; you find out from customers.\nRecommendation: A because with CC the full suite costs minutes and this is the login path for every tenant. (human: ~1.5 days / CC: ~25 min)\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: pinned legacy behavior plus proven equivalence vs. trusting the flag.",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Characterization suite + parity test (recommended)",
|
||||
"description": "\u2705 Five legacy outcomes pinned before any routing change; a future legacy deletion has a spec to satisfy. \u2705 Parity test proves the new path is a drop-in for the same inputs, including error classes. \u274c Requires fixtures for expired, revoked, wrong-audience, suspended cases; the IDP must be stubbed."
|
||||
},
|
||||
{
|
||||
"label": "B) Parity test only",
|
||||
"description": "\u2705 Proves equivalence on the fixtures you provide. \u2705 Less fixture work. \u274c Legacy behavior itself is never pinned; if both paths drift together the test still passes."
|
||||
},
|
||||
{
|
||||
"label": "C) Flag-off smoke test only",
|
||||
"description": "\u2705 One test, minutes of work. \u2705 Confirms routing to legacy still happens. \u274c Says nothing about what legacy or the new path actually return; regression in either goes unnoticed."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
},
|
||||
{
|
||||
"header": "R6 parallel",
|
||||
"question": "D13 \u2014 R6: how should the 5 IDP calls run in parallel?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: PLAN.md:31-32 says the 5 IDP calls are independent and sequential today, so login waits 5 round-trips when it could wait one. Promise.all runs them together and fails the moment any one fails, which is right for validation: one failed check means the token is not valid, so stop. Add a per-call timeout and an overall deadline with AbortController so a hung IDP does not hold the request open. Promise.allSettled instead waits for all five and reports every failure, useful for diagnostics but always as slow as the slowest call.\nStakes if we pick wrong: no timeout means one slow IDP endpoint pins connections; allSettled means users wait for the slowest call even when the first already failed.\nRecommendation: A because validation is all-or-nothing and fail-fast with a deadline is the built-in that fits. (human: ~4h / CC: ~10 min)\nCompleteness: A=10/10, B=8/10, C=2/10\nNet: fastest possible answer with a hard ceiling vs. fuller diagnostics at the cost of latency.",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Promise.all + per-call timeout + deadline abort (recommended)",
|
||||
"description": "\u2705 Login latency drops from 5x to ~1x IDP round-trip; first failure aborts the rest. \u2705 Hard deadline means a hung IDP becomes a typed 503, not a stuck request. \u274c Aborted calls' partial failures are not reported; only the first error surfaces."
|
||||
},
|
||||
{
|
||||
"label": "B) Promise.allSettled, aggregate errors",
|
||||
"description": "\u2705 Every failing check is reported in one error; best for debugging IDP misconfiguration. \u2705 Still ~1x round-trip when all succeed. \u274c Waits for the slowest call even after a definitive failure; still needs the same timeout work."
|
||||
},
|
||||
{
|
||||
"label": "C) Keep sequential",
|
||||
"description": "\u2705 No change; simplest to reason about. \u2705 Natural short-circuit on first failure. \u274c Every login pays 5 round-trips; the plan itself calls the fix trivial."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 \u2014 R4: how should validateAndDispatch() handle errors?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: PLAN.md:23-24 describes a 60-line function with three nested try/catch blocks where each catch quietly eats one kind of error. In an auth path that means a request can fail for three different reasons and the caller sees the same nothing. The complete fix splits the function into named steps and puts one catch at the boundary that turns each failure into a typed error (TokenInvalid, IdpUnavailable, CacheUnavailable) and rethrows it, so the HTTP layer can pick 401 vs 503 and logs say what happened.\nStakes if we pick wrong: keep swallowing and on-call cannot tell an IDP outage from a bad token at 3am; users get a generic failure with no retry hint.\nRecommendation: A because AuthBroker will call this function and its errors feed R6's fail-fast; swallowed errors would defeat both. (human: ~1 day / CC: ~15 min)\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: explicit typed failures vs. quiet fallthrough you debug in production.": "A) Flatten + typed AuthError, rethrow (recommended)",
|
||||
"D12 \u2014 R5 (Iron Rule): what regression contract protects legacyAuthFlow() and proves the new path is equivalent?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: PLAN.md:14-16 plans zero tests around legacyAuthFlow(). With D6, legacy stays untouched, but two things are still at risk: tenants with the flag off must still reach legacy exactly as before, and tenants with the flag on must get an equivalent session. Behavior to preserve: legacy outputs for success, expired token, revoked token, wrong audience, suspended tenant. Intentional changes: none on the legacy path. Acceptance: a characterization suite pins those five legacy outcomes; a parity test runs the same fixtures through both paths and asserts equivalent session claims and equivalent error class.\nStakes if we pick wrong: a regression in every tenant's login with no test that would have caught it; you find out from customers.\nRecommendation: A because with CC the full suite costs minutes and this is the login path for every tenant. (human: ~1.5 days / CC: ~25 min)\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: pinned legacy behavior plus proven equivalence vs. trusting the flag.": "A) Characterization suite + parity test (recommended)",
|
||||
"D13 \u2014 R6: how should the 5 IDP calls run in parallel?\nProject/branch/task: gstack-plan-count-FkY8wp on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: PLAN.md:31-32 says the 5 IDP calls are independent and sequential today, so login waits 5 round-trips when it could wait one. Promise.all runs them together and fails the moment any one fails, which is right for validation: one failed check means the token is not valid, so stop. Add a per-call timeout and an overall deadline with AbortController so a hung IDP does not hold the request open. Promise.allSettled instead waits for all five and reports every failure, useful for diagnostics but always as slow as the slowest call.\nStakes if we pick wrong: no timeout means one slow IDP endpoint pins connections; allSettled means users wait for the slowest call even when the first already failed.\nRecommendation: A because validation is all-or-nothing and fail-fast with a deadline is the built-in that fits. (human: ~4h / CC: ~10 min)\nCompleteness: A=10/10, B=8/10, C=2/10\nNet: fastest possible answer with a hard ceiling vs. fuller diagnostics at the cost of latency.": "A) Promise.all + per-call timeout + deadline abort (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T20:47:01.327Z"
|
||||
}
|
||||
],
|
||||
"evidenceLimits": "Complete original native calls and ACK mappings. Report and original paid outcome remain in immutable private retention; these free replays do not award paid credit."
|
||||
,
|
||||
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|
||||
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|
||||
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|
||||
"plan": "# Plan: Multi-tenant Auth Refactor\n\nReviewed target: `PLAN.md` (repo root, branch `main`) — /plan-eng-review, 2026-09-15.\n\n## Context\nThe auth path is being split into tenant-aware services (`AuthBroker`,\n`SessionMint`) over a shared cache facade (`AuthCache`) so that token\nvalidation, session minting and cache invalidation have one owner each\ninstead of living inside `legacyAuthFlow()` and `validateAndDispatch()`.\nThis review kept the existing cache adapter contract fixed, cut the\nproposal from 5 new components to 3, replaced the in-place rewrite with a\nper-tenant strangler, and turned every \"known problem\" the original plan\ndescribed (global mutable cache, swallowed errors, no regression tests,\nsequential IDP calls) into an accepted, testable remedy.\n\n## Existing contracts retained (unchanged)\nThe existing cache adapter keys entries by tenant ID, issuer, audience,\nand policy version. It evicts expired tokens and invalidates entries on\nlogout, token revocation, or tenant suspension. The adapter, its\ninvalidation hooks, and their existing tests remain in use unchanged.\n`AuthCache` is a service-facing facade over that same adapter, with one\nbacking cache, and retains its validity and tenant-key rules. Correction\nto the original text: the adapter still does not serialize mutations, but\n`AuthCache` now guards writes with a per-tenant invalidation generation\n(R2/D8), so a stale write cannot re-insert a token after invalidation.\n\n## Architecture (accepted)\n```\nrequest ──> legacyAuthFlow(ctx) (signature unchanged, D5)\n │\n ├─ selectAuthPath(tenantId) (D9)\n │ kill switch on ──────────────> legacy body ──> AuthOutcome\n │ tenant ∈ allowlist ─────┐\n │ else / no tenant ───────┼──────> legacy body ──> AuthOutcome\n │ ▼\n └────────────────────> AuthBroker.authenticate(ctx)\n │\n ├─ validate(ctx) ──> AuthOutcome (D10)\n │ ├─ authCache.get(tenant, iss, aud, policyVer) ─ hit ─> allowed\n │ └─ miss ─> validateWithIdp(ctx, signal) (D12)\n │ 5 concurrent IDP calls, one AbortController,\n │ deadline IDP_VALIDATION_DEADLINE_MS\n │ any failure/timeout ─> idpUnavailable, abort rest\n └─ dispatch(ctx, outcome) only when outcome = allowed\n\nSessionMint.mint(ctx) ──> authCache.set(key, session, gen) (gen from prior get)\n\nComposition root (D7)\n adapter (existing) ──> new AuthCache(adapter) ──┬──> new AuthBroker(authCache, idpClient)\n └──> new SessionMint(authCache)\n No module-level AuthCache export anywhere.\n\nAuthCache write guard (D8)\n invalidate*(tenant): gen[tenant]++ ; adapter.invalidate(...) (existing hook, unchanged)\n set(key, value, gen): gen == gen[key.tenant] ? adapter.set : drop + log{tenant, expectedGen, currentGen, caller}\n```\n\nComponents: `AuthBroker`, `SessionMint`, `AuthCache` (3 new). `TokenStore`\nfolded into `AuthCache` (D6). `RequestPolicy` deferred (D4). `AuthCache`\nmethods take `tenantId` as a required parameter; there is no default tenant.\n\n## Code quality (accepted)\n`validateAndDispatch()` is split into `validate(ctx): AuthOutcome` and\n`dispatch(ctx, outcome)`. One `AuthOutcome` discriminated union\n(`allowed | denied(reason) | expired | tenantSuspended | idpUnavailable`)\nis defined once and shared by `legacyAuthFlow()`, `AuthBroker` and\n`SessionMint`. Exactly one boundary try/catch maps the three\npreviously-swallowed error classes to outcomes; every other error is\nrethrown. `selectAuthPath()` is defined once and called once at\n`legacyAuthFlow()` entry.\n\n## Tests (accepted)\nCharacterization tests pin `legacyAuthFlow()`'s current outcomes for eight\ninput classes before any delegation is added. A differential harness runs\nthe legacy body and the `AuthBroker` path on the same fixtures and asserts\nidentical `AuthOutcome` except an explicit `INTENDED_DIFFERENCES` map (the\nD10 error surfacing). One E2E covers flag off and flag on for an\nallowlisted tenant. Unit tests cover every branch in the coverage diagram\nbelow. Existing adapter tests are unchanged.\n\n## Performance (accepted)\n`validateWithIdp()` fires the 5 independent IDP calls concurrently under one\n`AbortController` with deadline `IDP_VALIDATION_DEADLINE_MS` (set from IDP\np99 at implementation; record the measureLine truncated
|
||||
"transcript": {
|
||||
"status": "ready",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_018fUG2qGYkYXXVNiugHMrq3",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 — Add gstack skill routing rules to CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo; one-time gstack onboarding prompt before the plan review starts.\nELI10: gstack has many skills (/investigate, /ship, /qa...). A short routing table in CLAUDE.md tells Claude which skill to reach for when you say things like \"this is broken\" or \"ship it\", so you don't have to remember skill names. The stakes are low: it's a few lines of markdown, easy to remove.\nStakes if we pick wrong: Without routing you invoke skills by hand; with it, a wrong auto-invoke costs you one interruption.\nRecommendation: A because routing makes the skills discoverable at the moment they're useful, and it's trivially reversible.\nNote: options differ in kind, not coverage — no completeness score.\nNote: plan mode is active, so if you pick A the CLAUDE.md edit and commit happen after the review finishes and plan mode exits.\nNet: convenience of auto-routing vs. keeping CLAUDE.md untouched.",
|
||||
"header": "Routing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add routing rules to CLAUDE.md (recommended)",
|
||||
"description": "✅ Requests like \"why is this failing\" auto-route to /investigate, \"ship it\" to /ship, no memorizing names.\n✅ One markdown section, committed once, teammates get the same routing when they pull.\n❌ Occasional misroute when a request loosely matches a skill trigger; one interruption to redirect."
|
||||
},
|
||||
{
|
||||
"label": "No thanks, I'll invoke skills manually",
|
||||
"description": "✅ CLAUDE.md stays exactly as the project owner wrote it; nothing appended or committed.\n✅ Zero chance of an unwanted skill firing on an ambiguous request.\n❌ You carry the skill catalog in your head and type /skill-name every time."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 — Add gstack skill routing rules to CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo; one-time gstack onboarding prompt before the plan review starts.\nELI10: gstack has many skills (/investigate, /ship, /qa...). A short routing table in CLAUDE.md tells Claude which skill to reach for when you say things like \"this is broken\" or \"ship it\", so you don't have to remember skill names. The stakes are low: it's a few lines of markdown, easy to remove.\nStakes if we pick wrong: Without routing you invoke skills by hand; with it, a wrong auto-invoke costs you one interruption.\nRecommendation: A because routing makes the skills discoverable at the moment they're useful, and it's trivially reversible.\nNote: options differ in kind, not coverage — no completeness score.\nNote: plan mode is active, so if you pick A the CLAUDE.md edit and commit happen after the review finishes and plan mode exits.\nNet: convenience of auto-routing vs. keeping CLAUDE.md untouched.": "Add routing rules to CLAUDE.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:24:15.951Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01Xkc3zr2YztxPfx5sJZciuF",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 — No design doc found: run /office-hours first, or proceed with the standard review?\nProject/branch/task: main branch, reviewing PLAN.md \"Multi-tenant Auth Refactor\"; no design doc exists in the repo or ~/.gstack for this branch.\nELI10: A design doc is the \"why\" behind a plan: the problem statement, the assumptions we challenged, the alternatives we rejected. /office-hours produces one in about 10 minutes and gives this review sharper input. Without it, I review the plan on its own terms, which is fine but means I can't check the plan against a stated problem. The design doc is per-feature, not per-product.\nStakes if we pick wrong: Skipping means some \"is this the right thing to build\" questions get answered by inference instead of your stated intent; running it costs ~10 minutes before any review starts.\nRecommendation: B because this plan is a refactor with fixed contracts already written down (PLAN.md:6-16), and the user asked for a thorough review now; the review sections below already challenge premise and scope.\nNote: options differ in kind, not coverage — no completeness score.\nNet: 10 minutes of upfront problem framing vs. going straight into the review with the plan as written.",
|
||||
"header": "Design doc",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Skip — proceed with standard review (recommended)",
|
||||
"description": "✅ Review starts immediately on the plan you already wrote; no extra ceremony.\n✅ The Scope Challenge and Architecture sections still interrogate premise and complexity.\n❌ No written record of rejected alternatives; some framing questions get inferred rather than stated."
|
||||
},
|
||||
{
|
||||
"label": "Run /office-hours now",
|
||||
"description": "✅ Produces a structured problem statement and premise challenge before any architecture call is made.\n✅ Rejected alternatives get written down, so future reviewers know why AuthBroker/SessionMint exist.\n❌ About 10 minutes (human) of Q&A before the eng review begins; the review then resumes here."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 — No design doc found: run /office-hours first, or proceed with the standard review?\nProject/branch/task: main branch, reviewing PLAN.md \"Multi-tenant Auth Refactor\"; no design doc exists in the repo or ~/.gstack for this branch.\nELI10: A design doc is the \"why\" behind a plan: the problem statement, the assumptions we challenged, the alternatives we rejected. /office-hours produces one in about 10 minutes and gives this review sharper input. Without it, I review the plan on its own terms, which is fine but means I can't check the plan against a stated problem. The design doc is per-feature, not per-product.\nStakes if we pick wrong: Skipping means some \"is this the right thing to build\" questions get answered by inference instead of your stated intent; running it costs ~10 minutes before any review starts.\nRecommendation: B because this plan is a refactor with fixed contracts already written down (PLAN.md:6-16), and the user asked for a thorough review now; the review sections below already challenge premise and scope.\nNote: options differ in kind, not coverage — no completeness score.\nNet: 10 minutes of upfront problem framing vs. going straight into the review with the plan as written.": "Skip — proceed with standard review (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:25:30.100Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01HEyRdWDxiXGf9rjEi7Ypqw",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Enable cross-project learnings search on this machine?\nProject/branch/task: main branch, plan-eng-review of PLAN.md; one-time gstack config, not a plan decision.\nELI10: gstack saves small \"lessons learned\" per project (pitfalls, commands that work, patterns). Cross-project mode lets this review also search lessons saved from your other repos on this machine. Everything stays local; nothing leaves the box. Useful for solo devs; risky only if you work across client codebases where one client's patterns shouldn't inform another's.\nStakes if we pick wrong: Enabling on a multi-client machine could surface one client's conventions in another's review; keeping it project-scoped just means a slightly colder start here.\nRecommendation: A because it's local-only and reversible with one config command, and this fixture project has zero learnings of its own.\nNote: options differ in kind, not coverage — no completeness score.\nNet: warmer recommendations from past sessions vs. strict per-project isolation.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project learnings (recommended)",
|
||||
"description": "✅ Findings here can cite patterns already learned in your other local repos.\n✅ Stays on this machine; flip back anytime with gstack-config set cross_project_learnings false.\n❌ On a shared or multi-client machine, unrelated project quirks could leak into this review's context."
|
||||
},
|
||||
{
|
||||
"label": "Keep learnings project-scoped only",
|
||||
"description": "✅ Strict isolation: only this repo's own saved lessons are ever consulted.\n✅ Nothing to worry about if this machine hosts multiple client codebases.\n❌ This project has zero learnings today, so the review gets no prior-session boost."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Enable cross-project learnings search on this machine?\nProject/branch/task: main branch, plan-eng-review of PLAN.md; one-time gstack config, not a plan decision.\nELI10: gstack saves small \"lessons learned\" per project (pitfalls, commands that work, patterns). Cross-project mode lets this review also search lessons saved from your other repos on this machine. Everything stays local; nothing leaves the box. Useful for solo devs; risky only if you work across client codebases where one client's patterns shouldn't inform another's.\nStakes if we pick wrong: Enabling on a multi-client machine could surface one client's conventions in another's review; keeping it project-scoped just means a slightly colder start here.\nRecommendation: A because it's local-only and reversible with one config command, and this fixture project has zero learnings of its own.\nNote: options differ in kind, not coverage — no completeness score.\nNet: warmer recommendations from past sessions vs. strict per-project isolation.": "Enable cross-project learnings (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:25:44.153Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_017L8bnPfq329trcMTCcnDTF",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — Scope: keep `RequestPolicy` in this PR, or defer/cut it?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; complexity gate (12 files, 5 new components).\nELI10: The plan names a new `RequestPolicy` class (PLAN.md:35-36) but never says what it does, who calls it, or which contract it enforces. Every other component is at least sketched. An unexplained class in an auth refactor is either load-bearing (then it needs a spec) or speculative (then it's scope creep in the riskiest part of the codebase).\nStakes if we pick wrong: Cutting a needed policy layer means tenant-policy checks get smeared across AuthBroker/SessionMint; keeping an unspecified class means one more moving part to review, test, and debug at 3am with no written purpose.\nRecommendation: B (Defer) because nothing else in the plan depends on it and it can land in its own small PR once its contract is written; the refactor's goal (tenant-safe cache facade + broker/mint) does not need it.\nNote: options differ in kind, not coverage — no completeness score.\nNet: shipping one fewer unspecified class now vs. avoiding a follow-up PR later.",
|
||||
"header": "RequestPolicy",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Defer to a follow-up PR (recommended)",
|
||||
"description": "✅ Removes one undocumented component from an already 12-file auth change; smaller blast radius.\n✅ Forces a written contract (inputs, tenant rules, failure behavior) before it touches auth.\n❌ If policy checks are needed for correctness now, the broker/mint code lands with a TODO seam."
|
||||
},
|
||||
{
|
||||
"label": "Include: keep RequestPolicy in this PR",
|
||||
"description": "✅ Whole design lands together; no interim seam where policy is \"coming later\".\n✅ Reviewers see how policy composes with AuthBroker/SessionMint in one diff.\n❌ Plan must first specify its contract; today PLAN.md gives it zero lines of behavior."
|
||||
},
|
||||
{
|
||||
"label": "Cut entirely",
|
||||
"description": "✅ Smallest possible refactor; policy stays wherever it lives today.\n✅ No future PR to track.\n❌ If per-tenant request policy is a real requirement, it gets reinvented ad hoc inside the services."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — Scope: keep `RequestPolicy` in this PR, or defer/cut it?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; complexity gate (12 files, 5 new components).\nELI10: The plan names a new `RequestPolicy` class (PLAN.md:35-36) but never says what it does, who calls it, or which contract it enforces. Every other component is at least sketched. An unexplained class in an auth refactor is either load-bearing (then it needs a spec) or speculative (then it's scope creep in the riskiest part of the codebase).\nStakes if we pick wrong: Cutting a needed policy layer means tenant-policy checks get smeared across AuthBroker/SessionMint; keeping an unspecified class means one more moving part to review, test, and debug at 3am with no written purpose.\nRecommendation: B (Defer) because nothing else in the plan depends on it and it can land in its own small PR once its contract is written; the refactor's goal (tenant-safe cache facade + broker/mint) does not need it.\nNote: options differ in kind, not coverage — no completeness score.\nNet: shipping one fewer unspecified class now vs. avoiding a follow-up PR later.": "Defer to a follow-up PR (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:27:15.889Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01AM6b14VsLowQBFYShejj5Q",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — Scope: rewrite `legacyAuthFlow()` inside this PR, or strangle it behind the new services?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; complexity gate, second feature question.\nELI10: `legacyAuthFlow()` is the auth path that works today. The plan rewrites it in the same PR that introduces AuthBroker, SessionMint and AuthCache (PLAN.md:27-28). That's two risky things in one change: new services AND a rewrite of the path every current caller depends on. A strangler approach keeps `legacyAuthFlow()`'s signature, makes its body delegate to the new services behind a flag, and deletes the old body in a follow-up once traffic proves the new path. Either way, regression coverage for its current behavior is settled separately in the Tests section; this question is only about sequencing.\nStakes if we pick wrong: Big-bang rewrite with no flag means any behavior drift hits every tenant at once and rollback is a revert of 12 files; strangling costs a flag and a second PR.\nRecommendation: B (Strangler) because it turns a 12-file one-way door into two reversible steps, and with CC the extra PR is minutes, not days (human: ~1 day / CC: ~20 min extra).\nNote: options differ in kind, not coverage — no completeness score.\nNet: one big diff with instant cleanup vs. two smaller diffs with a kill switch.",
|
||||
"header": "legacyAuthFlow",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Strangler: delegate behind a flag, delete later (recommended)",
|
||||
"description": "✅ Current callers keep the same function and signature; flag off = today's behavior, flag on = new path. Rollback is a config flip, not a 12-file revert.\n✅ Old and new paths coexist, so the regression suite can run both and diff outputs before cutover.\n❌ Temporary duplication (old body + delegating body) and a follow-up PR to remove the legacy body and flag."
|
||||
},
|
||||
{
|
||||
"label": "Rewrite in place in this PR",
|
||||
"description": "✅ No temporary duplication, no flag plumbing, no cleanup PR; the codebase ends this PR in its final shape.\n✅ Reviewers evaluate the complete new flow in one diff.\n❌ All tenants cut over on deploy with no per-tenant or percentage rollout; a subtle drift means a full revert under pressure."
|
||||
},
|
||||
{
|
||||
"label": "Defer the rewrite entirely; ship new services alongside untouched legacy",
|
||||
"description": "✅ Zero risk to the working path this PR; new services land dark.\n✅ Smallest diff of the three options.\n❌ Two auth paths with no plan to converge; the refactor's stated goal is not achieved until someone schedules the rewrite."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Scope: rewrite `legacyAuthFlow()` inside this PR, or strangle it behind the new services?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; complexity gate, second feature question.\nELI10: `legacyAuthFlow()` is the auth path that works today. The plan rewrites it in the same PR that introduces AuthBroker, SessionMint and AuthCache (PLAN.md:27-28). That's two risky things in one change: new services AND a rewrite of the path every current caller depends on. A strangler approach keeps `legacyAuthFlow()`'s signature, makes its body delegate to the new services behind a flag, and deletes the old body in a follow-up once traffic proves the new path. Either way, regression coverage for its current behavior is settled separately in the Tests section; this question is only about sequencing.\nStakes if we pick wrong: Big-bang rewrite with no flag means any behavior drift hits every tenant at once and rollback is a revert of 12 files; strangling costs a flag and a second PR.\nRecommendation: B (Strangler) because it turns a 12-file one-way door into two reversible steps, and with CC the extra PR is minutes, not days (human: ~1 day / CC: ~20 min extra).\nNote: options differ in kind, not coverage — no completeness score.\nNet: one big diff with instant cleanup vs. two smaller diffs with a kill switch.": "Strangler: delegate behind a flag, delete later (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:27:35.949Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01C1daapitaDzziNHqrVQ9qb",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 — Structure: how many new components for the token/cache layer?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; complexity gate, structure choice (RequestPolicy already deferred, strangler already chosen).\nELI10: With RequestPolicy deferred, the plan still adds four things: AuthBroker, SessionMint, AuthCache, and TokenStore. AuthCache is described as a facade over the existing cache adapter (PLAN.md:11-12), and the adapter already keys, expires and invalidates tokens (PLAN.md:7-9). TokenStore is never described, and its name says it does what the adapter already does. So we may be building two wrappers around one cache. This question picks the arrangement only; how the services get hold of the cache (the module-level global on PLAN.md:19-20) is decided separately in the Architecture section.\nStakes if we pick wrong: Too many layers means three places to look when a tenant sees another tenant's token; too few means AuthBroker and SessionMint each re-implement key construction and invalidation calls against the raw adapter.\nRecommendation: B (3 components) because one service-facing facade over the adapter is the right seam for tenant-key rules, and a second store beside it is duplication with no stated job.\nNote: options differ in kind, not coverage — no completeness score.\nNet: one cache surface with a clear owner vs. either a redundant store or no seam at all.",
|
||||
"header": "Structure",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3 components: AuthBroker, SessionMint, AuthCache (fold TokenStore into AuthCache) (recommended)",
|
||||
"description": "✅ Exactly one place owns tenant-key construction and invalidation calls on top of the existing adapter; fewer files than the original.\n✅ Removes an undescribed class whose name duplicates the adapter's job; DRY by construction.\n❌ If TokenStore was meant to hold something the adapter can't (e.g. refresh-token secrets with a different lifetime), that need must be written into AuthCache's contract instead."
|
||||
},
|
||||
{
|
||||
"label": "4 components as planned: AuthBroker, SessionMint, AuthCache, TokenStore",
|
||||
"description": "✅ Matches the plan as written; no re-scoping of what TokenStore might have been for.\n✅ Leaves room for TokenStore to carry a distinct lifetime or storage backend later.\n❌ Two storage abstractions over one backing cache with no stated boundary between them; 12-file diff stays at 12."
|
||||
},
|
||||
{
|
||||
"label": "2 components: AuthBroker, SessionMint use the existing adapter directly (no AuthCache)",
|
||||
"description": "✅ Smallest possible diff; zero new storage classes; the adapter's existing tests already cover the cache.\n✅ No facade to keep in sync with the adapter's API.\n❌ Both services must build tenant/issuer/audience/policy keys themselves; the exact DRY violation the facade exists to prevent."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 — Structure: how many new components for the token/cache layer?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; complexity gate, structure choice (RequestPolicy already deferred, strangler already chosen).\nELI10: With RequestPolicy deferred, the plan still adds four things: AuthBroker, SessionMint, AuthCache, and TokenStore. AuthCache is described as a facade over the existing cache adapter (PLAN.md:11-12), and the adapter already keys, expires and invalidates tokens (PLAN.md:7-9). TokenStore is never described, and its name says it does what the adapter already does. So we may be building two wrappers around one cache. This question picks the arrangement only; how the services get hold of the cache (the module-level global on PLAN.md:19-20) is decided separately in the Architecture section.\nStakes if we pick wrong: Too many layers means three places to look when a tenant sees another tenant's token; too few means AuthBroker and SessionMint each re-implement key construction and invalidation calls against the raw adapter.\nRecommendation: B (3 components) because one service-facing facade over the adapter is the right seam for tenant-key rules, and a second store beside it is duplication with no stated job.\nNote: options differ in kind, not coverage — no completeness score.\nNet: one cache surface with a clear owner vs. either a redundant store or no seam at all.": "3 components: AuthBroker, SessionMint, AuthCache (fold TokenStore into AuthCache) (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:27:58.026Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01NUCQwyPEGPpix8QZv6ktSg",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 — Should AuthBroker and SessionMint receive AuthCache by injection instead of importing a module-level global?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Architecture finding A1 (P1, 9/10), PLAN.md:19-20.\nELI10: Right now the plan has one AuthCache object living at the top of a module, and any file that imports that module gets the same object and can change it. Two services (AuthBroker, SessionMint) both write to it. That means nobody owns it, every test shares its state with every other test, and a stray import anywhere in the codebase can mutate the auth cache. Injection means one place builds the AuthCache and hands it to the two services when they're constructed; nothing else can reach it.\nStakes if we pick wrong: With the global, a cross-tenant token leak found in production has no clear owner to debug, and unit tests pass or fail depending on run order; with injection, the cost is one composition-root file and constructor parameters.\nRecommendation: A because it fixes ownership, testability and hidden coupling in one move, and with CC it costs about the same as writing the export (human: ~3h / CC: ~10 min).\nCompleteness: A=10/10, B=3/10, C=6/10\nNet: explicit ownership and isolated tests vs. convenience of a bare import.",
|
||||
"header": "R1 injection",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Constructor injection from one composition root (recommended)",
|
||||
"description": "✅ Exactly one place constructs AuthCache; both services declare the dependency in their constructor, so tests build a fresh cache per case.\n✅ No file outside the composition root can import and mutate the auth cache; blast radius of a bug is two call sites.\n❌ One extra wiring file and constructor arguments to thread through wherever the services are built."
|
||||
},
|
||||
{
|
||||
"label": "Keep the module-level mutable export as planned",
|
||||
"description": "✅ Zero wiring; any module imports and uses it.\n✅ Matches the plan text exactly, no rework.\n❌ Shared state across all tests and all importers; the documented Node singleton footgun for per-tenant data."
|
||||
},
|
||||
{
|
||||
"label": "Module-level instance behind a getter; mutation only via AuthCache methods",
|
||||
"description": "✅ Stops raw reassignment of the instance while keeping a single import point.\n✅ Smaller change than injection; no constructor threading.\n❌ Still one process-wide instance every test shares; ownership remains implicit."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 — Should AuthBroker and SessionMint receive AuthCache by injection instead of importing a module-level global?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Architecture finding A1 (P1, 9/10), PLAN.md:19-20.\nELI10: Right now the plan has one AuthCache object living at the top of a module, and any file that imports that module gets the same object and can change it. Two services (AuthBroker, SessionMint) both write to it. That means nobody owns it, every test shares its state with every other test, and a stray import anywhere in the codebase can mutate the auth cache. Injection means one place builds the AuthCache and hands it to the two services when they're constructed; nothing else can reach it.\nStakes if we pick wrong: With the global, a cross-tenant token leak found in production has no clear owner to debug, and unit tests pass or fail depending on run order; with injection, the cost is one composition-root file and constructor parameters.\nRecommendation: A because it fixes ownership, testability and hidden coupling in one move, and with CC it costs about the same as writing the export (human: ~3h / CC: ~10 min).\nCompleteness: A=10/10, B=3/10, C=6/10\nNet: explicit ownership and isolated tests vs. convenience of a bare import.": "Constructor injection from one composition root (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:29:11.267Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_013irFon5RjGnchxPSMTr2Pm",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 — Should AuthCache guard against a stale in-flight write re-inserting a token after invalidation?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Architecture finding A2 (P1, 8/10), PLAN.md:10 + :20 + :8-9.\nELI10: The plan says two services write to the cache and nothing serializes those writes (PLAN.md:10, :20). Meanwhile the adapter wipes a tenant's entries on logout, revocation or suspension (PLAN.md:8-9). Picture SessionMint mid-way through minting a session for tenant T; an admin suspends T; the adapter clears T's entries; then SessionMint's write lands and T has a live token again. A generation guard is a per-tenant counter that bumps on every invalidation; a write carries the counter it started with, and AuthCache drops it (and logs) if the counter moved. The adapter stays untouched; the guard lives in the facade.\nStakes if we pick wrong: Without the guard, a suspended or logged-out tenant can hold a valid cached token until it expires; a silent security regression that no current test catches. With it, one counter map and one compare in the write path.\nRecommendation: A because this is auth for suspended tenants, the guard is ~30 lines plus tests, and the cost of the race is a token that should not exist (human: ~1 day incl. tests / CC: ~20 min).\nCompleteness: A=10/10, B=3/10; C is an investigation step, unscored\nNet: a small guard in the facade vs. documenting a race in the auth path vs. spending a probe first.",
|
||||
"header": "R2 race guard",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Per-tenant invalidation generation in AuthCache; stale writes dropped and logged (recommended)",
|
||||
"description": "✅ Closes the write-after-invalidate window for logout, revocation and suspension without touching the adapter or its tests.\n✅ Dropped writes are logged with tenant and generation, so the race is observable instead of silent.\n❌ AuthCache holds per-tenant state (a counter map) that must be bounded and reset; one more invariant to test."
|
||||
},
|
||||
{
|
||||
"label": "Accept and document the race",
|
||||
"description": "✅ No new state or write-path logic; ships exactly the plan's cache semantics.\n✅ Token expiry bounds the exposure window to one token lifetime.\n❌ A suspended tenant can keep a valid cached token until expiry; nothing detects it happening."
|
||||
},
|
||||
{
|
||||
"label": "Probe the existing adapter for atomic compare-and-set first",
|
||||
"description": "✅ If the adapter already has CAS or versioned set, the guard reuses it instead of adding a counter map.\n✅ Bounded: read the adapter's public API and tests; no implementation.\n❌ Delays the decision; the race stays pending until the probe reports back."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 — Should AuthCache guard against a stale in-flight write re-inserting a token after invalidation?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Architecture finding A2 (P1, 8/10), PLAN.md:10 + :20 + :8-9.\nELI10: The plan says two services write to the cache and nothing serializes those writes (PLAN.md:10, :20). Meanwhile the adapter wipes a tenant's entries on logout, revocation or suspension (PLAN.md:8-9). Picture SessionMint mid-way through minting a session for tenant T; an admin suspends T; the adapter clears T's entries; then SessionMint's write lands and T has a live token again. A generation guard is a per-tenant counter that bumps on every invalidation; a write carries the counter it started with, and AuthCache drops it (and logs) if the counter moved. The adapter stays untouched; the guard lives in the facade.\nStakes if we pick wrong: Without the guard, a suspended or logged-out tenant can hold a valid cached token until it expires; a silent security regression that no current test catches. With it, one counter map and one compare in the write path.\nRecommendation: A because this is auth for suspended tenants, the guard is ~30 lines plus tests, and the cost of the race is a token that should not exist (human: ~1 day incl. tests / CC: ~20 min).\nCompleteness: A=10/10, B=3/10; C is an investigation step, unscored\nNet: a small guard in the facade vs. documenting a race in the auth path vs. spending a probe first.": "Per-tenant invalidation generation in AuthCache; stale writes dropped and logged (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:29:46.889Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01LwkMGTjj3LjGyyabTe1ada",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 — How granular should the legacyAuthFlow() cutover flag be?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Architecture finding A3 (P2, 7/10), follows from D5.\nELI10: D5 decided legacyAuthFlow() delegates to the new services behind a flag. A flag can be one switch for everyone, or a list of tenant IDs that get the new path while everyone else stays on the old one, plus a big red \"everyone back to legacy\" switch. Per-tenant lets you move an internal or friendly tenant first, watch, then widen. In a multi-tenant auth system the tenant is the natural rollout unit.\nStakes if we pick wrong: A global boolean means the first real-traffic test of the new path is 100% of tenants; per-tenant costs a small allowlist read on each auth call and a config surface to manage.\nRecommendation: A because the whole point of the strangler was a reversible cutover, and tenant-scoped rollout is what makes it reversible for one customer instead of all of them (human: ~half day / CC: ~10 min).\nCompleteness: A=10/10, B=7/10\nNet: staged per-tenant rollout vs. a simpler all-or-nothing switch.",
|
||||
"header": "R3 flag scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Per-tenant allowlist plus a global kill switch (recommended)",
|
||||
"description": "✅ Canary one tenant, then a cohort, then all; a regression affects only allowlisted tenants and the kill switch reverts everyone instantly.\n✅ Tenant ID is already on every auth call (adapter keys by it), so routing needs no new input.\n❌ Two config values to manage and test (allowlist membership, kill switch precedence) instead of one."
|
||||
},
|
||||
{
|
||||
"label": "Single global boolean",
|
||||
"description": "✅ One flag, one branch in legacyAuthFlow(); minimal config surface.\n✅ Trivial to reason about: on or off.\n❌ First production exposure is every tenant at once; rollback is still instant but there is no canary stage."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 — How granular should the legacyAuthFlow() cutover flag be?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Architecture finding A3 (P2, 7/10), follows from D5.\nELI10: D5 decided legacyAuthFlow() delegates to the new services behind a flag. A flag can be one switch for everyone, or a list of tenant IDs that get the new path while everyone else stays on the old one, plus a big red \"everyone back to legacy\" switch. Per-tenant lets you move an internal or friendly tenant first, watch, then widen. In a multi-tenant auth system the tenant is the natural rollout unit.\nStakes if we pick wrong: A global boolean means the first real-traffic test of the new path is 100% of tenants; per-tenant costs a small allowlist read on each auth call and a config surface to manage.\nRecommendation: A because the whole point of the strangler was a reversible cutover, and tenant-scoped rollout is what makes it reversible for one customer instead of all of them (human: ~half day / CC: ~10 min).\nCompleteness: A=10/10, B=7/10\nNet: staged per-tenant rollout vs. a simpler all-or-nothing switch.": "Per-tenant allowlist plus a global kill switch (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:30:20.513Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01X1P2CURjcyTUXaW8vjps8f",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 — Refactor validateAndDispatch() so no error is swallowed?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Code quality finding C1 (P1, 9/10), PLAN.md:23-24.\nELI10: validateAndDispatch() is 60 lines with three try/catch blocks nested inside each other, and each catch quietly eats one kind of error. In an auth function, \"quietly eats\" means a failed validation can look like success and the request may still be dispatched. The fix is to pull validation and dispatch into two small functions, catch once at the boundary, translate the known error classes into explicit typed outcomes (denied, expired, tenant-suspended), and let anything unexpected throw so it's visible.\nStakes if we pick wrong: Swallowed auth errors are the class of bug that shows up as \"some tenant got in when they shouldn't have\" with no log line; the refactor costs an afternoon by hand and minutes with CC.\nRecommendation: A because explicit over clever is the house preference, and three silent catches in an auth path is the fragile-hack side of that line (human: ~4h incl. tests / CC: ~10 min).\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: typed, visible auth outcomes vs. keeping a 60-line function whose failures are invisible.",
|
||||
"header": "R4 errors",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Split validate/dispatch; one boundary catch maps known errors to typed outcomes, unknown rethrown (recommended)",
|
||||
"description": "✅ Every failure path produces a named outcome or a thrown error; nothing disappears, and each outcome gets its own test.\n✅ Two ~20-line functions replace one 60-line function; validation becomes independently unit-testable.\n❌ Callers that relied on the swallow-and-continue behavior now see explicit denials; the strangler flag (D9) contains that change to allowlisted tenants."
|
||||
},
|
||||
{
|
||||
"label": "Keep the three nested catches but log inside each",
|
||||
"description": "✅ Minimal diff; errors at least become visible in logs.\n✅ No caller-visible behavior change.\n❌ Still swallows: the request proceeds after a failed validation; logging a security bug is not fixing it."
|
||||
},
|
||||
{
|
||||
"label": "Leave as-is",
|
||||
"description": "✅ Zero work now.\n✅ No risk of introducing a regression in this function.\n❌ The plan itself flags this as a problem and ships it unchanged into the new architecture."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 — Refactor validateAndDispatch() so no error is swallowed?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Code quality finding C1 (P1, 9/10), PLAN.md:23-24.\nELI10: validateAndDispatch() is 60 lines with three try/catch blocks nested inside each other, and each catch quietly eats one kind of error. In an auth function, \"quietly eats\" means a failed validation can look like success and the request may still be dispatched. The fix is to pull validation and dispatch into two small functions, catch once at the boundary, translate the known error classes into explicit typed outcomes (denied, expired, tenant-suspended), and let anything unexpected throw so it's visible.\nStakes if we pick wrong: Swallowed auth errors are the class of bug that shows up as \"some tenant got in when they shouldn't have\" with no log line; the refactor costs an afternoon by hand and minutes with CC.\nRecommendation: A because explicit over clever is the house preference, and three silent catches in an auth path is the fragile-hack side of that line (human: ~4h incl. tests / CC: ~10 min).\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: typed, visible auth outcomes vs. keeping a 60-line function whose failures are invisible.": "Split validate/dispatch; one boundary catch maps known errors to typed outcomes, unknown rethrown (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:31:08.201Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01J88xNPkJRXgd5TfTTVtQew",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D11 — How should legacyAuthFlow()'s current behavior be protected during the strangler cutover?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Test finding T1 (P1 CRITICAL, 9/10), PLAN.md:14-16 and :27-28.\nELI10: The plan changes the function every current caller uses and says outright that no test will check it still behaves the same. A characterization test records what legacyAuthFlow() returns today for each kind of input (valid, expired, revoked, suspended tenant, missing tenant, IDP error, malformed token) and fails if that changes. A differential harness goes one step further: it runs the old body and the new broker path on the same inputs and asserts they agree, except for a short written list of differences we intend (the swallowed errors that now surface as typed outcomes, per D10). Regression coverage itself is not optional here; this picks the depth.\nStakes if we pick wrong: Characterization-only tells you legacy still works but says nothing about whether the new path matches it before you flip a tenant; differential costs one fixture set reused twice.\nRecommendation: A because the strangler (D5) and per-tenant flag (D9) only pay off if you can prove old and new agree before cutover, and the fixtures are shared so the differential harness is mostly free (human: ~2 days / CC: ~30 min).\nCompleteness: A=10/10, B=7/10\nNet: prove equivalence before flipping tenants vs. only pinning the legacy side.",
|
||||
"header": "R5 regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Characterization tests plus a differential legacy-vs-broker harness (recommended)",
|
||||
"description": "✅ Old and new paths run on identical fixtures; any unintended divergence fails CI before a single tenant is allowlisted.\n✅ Intended differences are an explicit, reviewed allowlist in the test, so D10's behavior change is documented by code.\n❌ One extra harness to maintain until the legacy body is deleted; then it retires with the legacy path."
|
||||
},
|
||||
{
|
||||
"label": "Characterization tests only",
|
||||
"description": "✅ Pins today's legacyAuthFlow() outcomes; catches accidental edits to the legacy body.\n✅ Smaller test surface; no harness lifecycle to manage.\n❌ Says nothing about whether the broker path matches legacy; the first equivalence check is production traffic."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 — How should legacyAuthFlow()'s current behavior be protected during the strangler cutover?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Test finding T1 (P1 CRITICAL, 9/10), PLAN.md:14-16 and :27-28.\nELI10: The plan changes the function every current caller uses and says outright that no test will check it still behaves the same. A characterization test records what legacyAuthFlow() returns today for each kind of input (valid, expired, revoked, suspended tenant, missing tenant, IDP error, malformed token) and fails if that changes. A differential harness goes one step further: it runs the old body and the new broker path on the same inputs and asserts they agree, except for a short written list of differences we intend (the swallowed errors that now surface as typed outcomes, per D10). Regression coverage itself is not optional here; this picks the depth.\nStakes if we pick wrong: Characterization-only tells you legacy still works but says nothing about whether the new path matches it before you flip a tenant; differential costs one fixture set reused twice.\nRecommendation: A because the strangler (D5) and per-tenant flag (D9) only pay off if you can prove old and new agree before cutover, and the fixtures are shared so the differential harness is mostly free (human: ~2 days / CC: ~30 min).\nCompleteness: A=10/10, B=7/10\nNet: prove equivalence before flipping tenants vs. only pinning the legacy side.": "Characterization tests plus a differential legacy-vs-broker harness (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:31:59.919Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01CQBk38CX6KC5Z7jAYikGtg",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D12 — How should the 5 IDP validation calls be parallelized?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Performance finding (P2, 8/10), PLAN.md:31-32.\nELI10: Today validation makes 5 round trips to the identity provider one after another, so a user waits 5× the IDP latency. The plan says \"just use Promise.all\", which fires all 5 at once and waits for all. Correct, but bare Promise.all has two sharp edges: if one call fails, the other four keep running and burning IDP quota, and if the IDP is slow there is no deadline, so the request hangs as long as the slowest call. Wrapping the five in one AbortSignal with a deadline fixes both: any failure or timeout cancels the rest and becomes a typed `idpUnavailable` outcome the user can understand.\nStakes if we pick wrong: Bare Promise.all turns an IDP brownout into requests that hang until the socket gives up, with four orphaned calls each; sequential keeps users waiting 5× longer than needed forever.\nRecommendation: A because it is Promise.all plus about ten lines (signal, deadline, mapping to the D10 outcome) and turns \"IDP slow\" from a hang into a fast, clear failure (human: ~3h incl. tests / CC: ~10 min).\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: bounded, cancellable fan-out vs. the bare one-liner vs. status quo latency.",
|
||||
"header": "R6 IDP calls",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Promise.all under one AbortSignal with a deadline; failure or timeout → idpUnavailable, rest aborted (recommended)",
|
||||
"description": "✅ Latency drops from ~5× to ~1× IDP round trip and is capped by an explicit deadline, so a slow IDP produces a fast, typed failure.\n✅ First failure aborts the other four calls; no orphaned requests eating IDP rate limit during an outage.\n❌ One tunable (the deadline) to pick from IDP p99 and keep honest; one AbortSignal to thread into the HTTP client."
|
||||
},
|
||||
{
|
||||
"label": "Bare Promise.all as proposed",
|
||||
"description": "✅ Literally one line; gets the 5× latency win immediately.\n✅ No new config value.\n❌ No deadline: a slow IDP hangs the request; a failed call leaves four still running; rejection surfaces as a raw error, not an AuthOutcome."
|
||||
},
|
||||
{
|
||||
"label": "Keep the 5 sequential calls",
|
||||
"description": "✅ Zero change to the validation path in an already large refactor.\n✅ Naturally gentle on IDP rate limits.\n❌ Every authenticated request pays 5 round trips when 1 would do; the plan itself calls this trivially fixable."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D12 — How should the 5 IDP validation calls be parallelized?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; Performance finding (P2, 8/10), PLAN.md:31-32.\nELI10: Today validation makes 5 round trips to the identity provider one after another, so a user waits 5× the IDP latency. The plan says \"just use Promise.all\", which fires all 5 at once and waits for all. Correct, but bare Promise.all has two sharp edges: if one call fails, the other four keep running and burning IDP quota, and if the IDP is slow there is no deadline, so the request hangs as long as the slowest call. Wrapping the five in one AbortSignal with a deadline fixes both: any failure or timeout cancels the rest and becomes a typed `idpUnavailable` outcome the user can understand.\nStakes if we pick wrong: Bare Promise.all turns an IDP brownout into requests that hang until the socket gives up, with four orphaned calls each; sequential keeps users waiting 5× longer than needed forever.\nRecommendation: A because it is Promise.all plus about ten lines (signal, deadline, mapping to the D10 outcome) and turns \"IDP slow\" from a hang into a fast, clear failure (human: ~3h incl. tests / CC: ~10 min).\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: bounded, cancellable fan-out vs. the bare one-liner vs. status quo latency.": "Promise.all under one AbortSignal with a deadline; failure or timeout → idpUnavailable, rest aborted (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:33:29.839Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01RDofX2k3gvtYn5dFDeg8n2",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D13 — TODO: \"Remove legacyAuthFlow() legacy body, cutover flag and differential harness after full rollout\"?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; follow-up created by D5/D9/D11.\nELI10: The strangler leaves three temporary things behind on purpose: the old function body, the allowlist/kill-switch flag, and the harness that compares old vs new. Once every tenant runs the new path for a while, all three are dead weight and should be deleted. If nobody writes that down, the codebase carries two auth paths forever.\nWhat: delete legacy body, selectAuthPath() flag, INTENDED_DIFFERENCES harness; keep characterization tests re-pointed at the broker path. Why: two auth paths is the exact debt the refactor set out to remove. Context: after 100% allowlist for N days with no kill-switch use; start in auth/legacyAuthFlow and the composition root. Effort: S. Priority: P1. Depends on: full allowlist rollout.\nStakes if we pick wrong: Skipping means the cleanup relies on memory; building it now is impossible since rollout hasn't happened.\nRecommendation: A because it's a known follow-up with a clear trigger and cannot be done in this PR.\nNote: options differ in kind, not coverage — no completeness score.\nNote: TODOS.md does not exist; plan mode forbids creating it now. Choosing A records the entry in the reviewed plan and creates TODOS.md after plan mode exits.\nNet: tracked cleanup vs. trusting memory.",
|
||||
"header": "TODO cleanup",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "✅ The cleanup has a written trigger (100% rollout, N quiet days) and a starting file, so whoever picks it up in 3 months knows what and why.\n✅ Keeps the refactor's end state honest: one auth path, not two.\n❌ Creates TODOS.md in the repo (after plan mode exits); one more file to maintain."
|
||||
},
|
||||
{
|
||||
"label": "Skip — not valuable enough",
|
||||
"description": "✅ No new tracking file.\n✅ Team may already track follow-ups elsewhere (issue tracker).\n❌ The legacy body and flag can silently become permanent."
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR instead of deferring",
|
||||
"description": "✅ No follow-up at all.\n✅ Codebase ends in final shape immediately.\n❌ Contradicts D5: deleting the legacy body now removes the rollback path before any tenant has run the new code."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D13 — TODO: \"Remove legacyAuthFlow() legacy body, cutover flag and differential harness after full rollout\"?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; follow-up created by D5/D9/D11.\nELI10: The strangler leaves three temporary things behind on purpose: the old function body, the allowlist/kill-switch flag, and the harness that compares old vs new. Once every tenant runs the new path for a while, all three are dead weight and should be deleted. If nobody writes that down, the codebase carries two auth paths forever.\nWhat: delete legacy body, selectAuthPath() flag, INTENDED_DIFFERENCES harness; keep characterization tests re-pointed at the broker path. Why: two auth paths is the exact debt the refactor set out to remove. Context: after 100% allowlist for N days with no kill-switch use; start in auth/legacyAuthFlow and the composition root. Effort: S. Priority: P1. Depends on: full allowlist rollout.\nStakes if we pick wrong: Skipping means the cleanup relies on memory; building it now is impossible since rollout hasn't happened.\nRecommendation: A because it's a known follow-up with a clear trigger and cannot be done in this PR.\nNote: options differ in kind, not coverage — no completeness score.\nNote: TODOS.md does not exist; plan mode forbids creating it now. Choosing A records the entry in the reviewed plan and creates TODOS.md after plan mode exits.\nNet: tracked cleanup vs. trusting memory.": "Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:34:15.576Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01FMeNUVtT3NrSaXkkFTJgwX",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D14 — TODO: \"Specify and implement RequestPolicy in its own PR\"?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; follow-up created by D4 (RequestPolicy deferred).\nELI10: D4 pushed RequestPolicy out of this PR because the plan never said what it does. The deferral only works if someone writes the missing spec: what inputs it takes, which per-tenant rules it enforces, what happens on failure, and where AuthBroker/SessionMint call it. This TODO is that spec-then-build task.\nWhat: write RequestPolicy's contract (inputs, tenant rules, failure outcome in the AuthOutcome union), then implement with tests. Why: if per-tenant request policy is a real requirement, deferring it without a tracker means it gets reinvented inside the services. Context: original plan listed it with zero behavior (PLAN.md:35-36); AuthOutcome (D10) is the natural place for its denial outcome; start with a half-page contract before code. Effort: M. Priority: P2. Depends on: this refactor landing (AuthBroker/SessionMint exist).\nStakes if we pick wrong: Skipping risks losing a real requirement; adding it costs one TODO entry.\nRecommendation: A because D4 explicitly promised a follow-up and this is where that promise gets written down.\nNote: options differ in kind, not coverage — no completeness score.\nNote: TODOS.md creation happens after plan mode exits, same as D13.\nNet: tracked deferral vs. an unrecorded promise.",
|
||||
"header": "TODO policy",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "✅ Turns D4's deferral into a tracked item with a spec-first starting point and a dependency on this refactor.\n✅ Names AuthOutcome as the integration seam so the future author doesn't invent a parallel error model.\n❌ If RequestPolicy was never a real need, this is a P2 that eventually gets closed as won't-do."
|
||||
},
|
||||
{
|
||||
"label": "Skip — not valuable enough",
|
||||
"description": "✅ No tracker entry for a class nobody could describe.\n✅ Whoever needs it will propose it with a spec when the need is real.\n❌ D4's \"follow-up PR\" becomes an unrecorded promise."
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR instead of deferring",
|
||||
"description": "✅ Whole original design lands together.\n✅ No follow-up to track.\n❌ Reverses D4 with no new information; the contract is still unwritten."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D14 — TODO: \"Specify and implement RequestPolicy in its own PR\"?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; follow-up created by D4 (RequestPolicy deferred).\nELI10: D4 pushed RequestPolicy out of this PR because the plan never said what it does. The deferral only works if someone writes the missing spec: what inputs it takes, which per-tenant rules it enforces, what happens on failure, and where AuthBroker/SessionMint call it. This TODO is that spec-then-build task.\nWhat: write RequestPolicy's contract (inputs, tenant rules, failure outcome in the AuthOutcome union), then implement with tests. Why: if per-tenant request policy is a real requirement, deferring it without a tracker means it gets reinvented inside the services. Context: original plan listed it with zero behavior (PLAN.md:35-36); AuthOutcome (D10) is the natural place for its denial outcome; start with a half-page contract before code. Effort: M. Priority: P2. Depends on: this refactor landing (AuthBroker/SessionMint exist).\nStakes if we pick wrong: Skipping risks losing a real requirement; adding it costs one TODO entry.\nRecommendation: A because D4 explicitly promised a follow-up and this is where that promise gets written down.\nNote: options differ in kind, not coverage — no completeness score.\nNote: TODOS.md creation happens after plan mode exits, same as D13.\nNet: tracked deferral vs. an unrecorded promise.": "Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:34:33.670Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01Jzx8JVh6SV9sLe9RgMP7GF",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D15 — Next step after this eng review?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; eng review CLEAR, 0 unresolved decisions, 0 critical gaps.\nELI10: The engineering review is the only gate that blocks shipping, and it passed. This plan is backend-only (no UI), so a design review doesn't apply. A CEO review is for product-direction or scope-expansion changes; this is a refactor with scope reduced, so it's optional at best. Navigation only: nothing here changes the plan or its tasks.\nStakes if we pick wrong: Running an unneeded review costs time; skipping a needed one is not a risk here since no UI or product scope changed.\nRecommendation: B (Ready to implement) because the plan has no UI surface and reduced rather than expanded scope; the tasks T1-T9 are ready to run.\nNote: options differ in kind, not coverage — no completeness score.\nNet: start building vs. one more optional review pass.",
|
||||
"header": "Next step",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Ready to implement — run /ship when done (recommended)",
|
||||
"description": "✅ Eng review CLEAR; T1-T9 are concrete with verify steps; start with T1, T2, T3 in parallel worktrees.\n✅ No UI scope, so no design review is owed; scope shrank, so CEO review adds little.\n❌ If the refactor's motivation was ever a product bet (e.g. onboarding new tenant tiers), that framing stays unreviewed."
|
||||
},
|
||||
{
|
||||
"label": "Run /plan-ceo-review first",
|
||||
"description": "✅ Adds a strategy pass on whether multi-tenant auth is the right investment now.\n✅ Would record a scope/vision doc alongside this eng report.\n❌ This plan is a refactor with reduced scope and no user-facing feature; CEO review is optional here."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D15 — Next step after this eng review?\nProject/branch/task: main, PLAN.md \"Multi-tenant Auth Refactor\"; eng review CLEAR, 0 unresolved decisions, 0 critical gaps.\nELI10: The engineering review is the only gate that blocks shipping, and it passed. This plan is backend-only (no UI), so a design review doesn't apply. A CEO review is for product-direction or scope-expansion changes; this is a refactor with scope reduced, so it's optional at best. Navigation only: nothing here changes the plan or its tasks.\nStakes if we pick wrong: Running an unneeded review costs time; skipping a needed one is not a risk here since no UI or product scope changed.\nRecommendation: B (Ready to implement) because the plan has no UI surface and reduced rather than expanded scope; the tasks T1-T9 are ready to run.\nNote: options differ in kind, not coverage — no completeness score.\nNet: start building vs. one more optional review pass.": "Ready to implement — run /ship when done (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T22:38:21.046Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": [
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "Scope gate: plan mode — auto-selected B (reviewing `PLAN.md`: \"Multi-tenant Auth Refactor\").",
|
||||
"timestamp": "2026-09-15T22:23:56.906Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "Noted: routing rules go into CLAUDE.md once plan mode exits (plan mode forbids the edit now). Continuing the preamble.",
|
||||
"timestamp": "2026-09-15T22:24:22.139Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "No worries — standard review. If you ever want sharper input, try /office-hours first next time.\n\nNow the review prep: report file, then the cross-project learnings question (first-time config).",
|
||||
"timestamp": "2026-09-15T22:25:33.552Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "D4 recorded: `RequestPolicy` deferred to a follow-up PR.",
|
||||
"timestamp": "2026-09-15T22:27:19.933Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "D5 recorded: strangler — `legacyAuthFlow()` keeps its signature and delegates to the new path behind a flag; legacy body removed in a follow-up.",
|
||||
"timestamp": "2026-09-15T22:27:42.339Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "## Section 1: Architecture review\n\nThree independent choices surfaced. Writing the ledger for the first one, then asking.",
|
||||
"timestamp": "2026-09-15T22:28:45.490Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "Now record D7 and stage R2 (write-after-invalidate protection).",
|
||||
"timestamp": "2026-09-15T22:29:14.207Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "### Test coverage diagram (planned codepaths; nothing implemented yet, so every branch is a GAP until written)\n\n```\nCODE PATHS USER FLOWS\n[+] auth/legacyAuthFlow [+] Login / request auth (tenant on legacy path)\n ├── selectAuthPath(tenantId) ├── [GAP] [→E2E] flag off → legacy body, same result as today\n │ ├── [GAP] kill switch on → legacy └── [GAP] allowlist typo → falls to legacy, no error\n │ ├── [GAP] tenant in allowlist → broker [+] Login / request auth (allowlisted tenant)\n │ ├── [GAP] tenant not in allowlist → legacy ├── [GAP] [→E2E] flag on → broker path, identical outcome\n │ └── [GAP] missing tenantId → legacy └── [GAP] kill switch flipped mid-traffic → next call legacy\n ├── [GAP] characterization: 8 input classes (R5) [+] Admin suspends tenant while a session is minting\n └── [GAP] differential legacy vs broker (R5) └── [GAP] [→E2E] stale write dropped + logged (R2)\n[+] auth/AuthCache (facade over adapter) [+] IDP degraded\n ├── get(tenant, issuer, aud, policyVer) → {value, gen} ├── [GAP] one of 5 calls 5xx → idpUnavailable, others aborted\n │ ├── [GAP] hit / miss ├── [GAP] slow IDP → deadline → idpUnavailable, user sees clear error\n │ └── [GAP] missing tenantId → rejects (required param) └── [GAP] IDP 429 → idpUnavailable (not retried in a loop)\n ├── set(key, value, gen) [+] Error states\n │ ├── [GAP] fresh gen → written ├── [GAP] denied / expired / tenantSuspended each surface\n │ └── [GAP] stale gen → dropped + logged (R2) └── [GAP] unknown error → thrown, not swallowed (R4)\n ├── invalidate{Logout,Revocation,Suspension}(tenant)\n │ ├── [GAP] bumps gen then calls adapter hook\n │ └── [GAP] prunes gen map for tenants with no keys\n └── [★★★ TESTED] adapter keying/eviction — existing adapter tests (PLAN.md:13), unchanged\n[+] auth/validate + dispatch (was validateAndDispatch)\n ├── [GAP] each of 3 mapped error classes → typed outcome\n ├── [GAP] unknown error → rethrown\n ├── [GAP] dispatch never runs on non-allowed outcome\n └── validateWithIdp(): 5 calls (R6)\n ├── [GAP] all succeed → allowed\n ├── [GAP] one rejects → idpUnavailable, rest aborted\n └── [GAP] deadline → idpUnavailable\n[+] auth/AuthBroker, auth/SessionMint\n ├── [GAP] constructed with injected AuthCache (R1); two instances isolated\n └── [GAP] success + error paths (plan already commits to these, PLAN.md:14-15)\n[+] composition root\n └── [GAP] boots one AuthCache, wires both services; misconfig fails loudly\n\nCOVERAGE: 1/31 paths tested (3%) | Code paths: 1/22 (5%) | User flows: 0/9 (0%)\nQUALITY: ★★★:1 ★★:0 ★:0 | GAPS: 30 (3 E2E, 0 eval)\n```\n\nLegend: ★★★ behavior + edge + error | ★★ happy path | ★ smoke | [→E2E] integration test. No LLM/prompt scope.\n\n### Section 3 findings\n\n1. `[P1 CRITICAL] (9/10) PLAN.md:14-16, 27-28` — no regression coverage for `legacyAuthFlow()`. **Accepted: characterization + differential harness + E2E flag on/off (D11).**\n2. `[P2] (8/10)` — every R1/R2/R4/R6 branch above is required proof of an already-approved contract; carried forward without new questions (30 gaps listed, all assigned to tasks).\n3. `[P3] (7/10)` — test framework unknown in this fixture; real repo has one (PLAN.md:13). Use it; no install.\n\nWriting the Test Plan Artifact now.",
|
||||
"timestamp": "2026-09-15T22:32:54.186Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "## Section 4: Performance review",
|
||||
"timestamp": "2026-09-15T22:33:13.075Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "Now the reviewed plan body (replacing the original top sections with the accepted plan).",
|
||||
"timestamp": "2026-09-15T22:35:05.292Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "Now the review output sections and the terminal report, appended after the ledger.",
|
||||
"timestamp": "2026-09-15T22:35:41.515Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "Read-back gate: verifying the saved file's structure and tail.",
|
||||
"timestamp": "2026-09-15T22:36:56.748Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"text": "All relevant reviews complete. Run /ship when ready. Learning hooks, then telemetry and cache refresh.",
|
||||
"timestamp": "2026-09-15T22:38:25.863Z"
|
||||
}
|
||||
],
|
||||
"planReadyRequests": [
|
||||
{
|
||||
"sessionId": "8351cb8b-b2d3-424a-8420-137a5ea5be83",
|
||||
"toolUseId": "toolu_01GEAQGcCxpBzM6RbTNezEfs",
|
||||
"timestamp": "2026-09-15T22:38:54.719Z",
|
||||
"failed": false
|
||||
}
|
||||
]
|
||||
},
|
||||
"actualOutcome": "cancelled_no_pass_or_failure_credit"
|
||||
}
|
||||
}
|
||||
-494
@@ -1,494 +0,0 @@
|
||||
{
|
||||
"source": "6f6730f478e20235b3266d56253d097d02dcdf46",
|
||||
"originalOutcome": "no_review_questions",
|
||||
"originalCounts": {
|
||||
"review": 0,
|
||||
"setup": 14
|
||||
},
|
||||
"startedAt": 1789484704654,
|
||||
"finishedAt": 1789485897913,
|
||||
"originalCoverage": {
|
||||
"ok": false,
|
||||
"decisions": {
|
||||
"sequential-idp": "12496e0a-0133-48b2-bdc3-dcbb27176596:toolu_01GzmzsED1A8CxsTcpz92Yz8"
|
||||
},
|
||||
"missing": [
|
||||
"complexity",
|
||||
"shared-cache",
|
||||
"swallowed-errors"
|
||||
],
|
||||
"problems": [
|
||||
"mandatory legacy regression coverage absent"
|
||||
]
|
||||
},
|
||||
"reportSha256": "b4cf82258bbeb95f1f564f089a16a605a2383f441fdbc82ac363a238dab26206",
|
||||
"transcript": {
|
||||
"status": "ready",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01YFPUMbqTfxe4WX3zy3pnYw",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 — Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo; one-time gstack onboarding prompt before the auth refactor review.\nELI10: gstack has a bunch of slash-command skills (review, ship, investigate...). A short routing section in CLAUDE.md tells the assistant which skill to reach for when you say things like \"review this\" or \"there's a bug\". Without it, you have to name the skill yourself every time.\nStakes if we pick wrong: Pick A and you get one extra committed block in CLAUDE.md; pick B and skills only run when you type them explicitly. Both are easy to reverse.\nRecommendation: A because auto-routing saves a lookup every session and the block is small and reversible.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a small committed CLAUDE.md block vs. manual skill invocation forever. Note: we are in plan mode, so the actual CLAUDE.md edit and commit would happen after the review, when edits are allowed.",
|
||||
"header": "Routing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add routing rules to CLAUDE.md (recommended)",
|
||||
"description": "✅ Assistant picks the right gstack skill from natural requests without you naming it\n✅ Rules are plain text in CLAUDE.md; teammates get the same routing on checkout\n❌ Adds a committed block to CLAUDE.md; edit deferred until plan mode ends"
|
||||
},
|
||||
{
|
||||
"label": "No thanks, I'll invoke skills manually",
|
||||
"description": "✅ CLAUDE.md stays exactly as it is; no extra commit on this branch\n✅ You keep full explicit control over which skill runs and when\n❌ Every skill needs to be typed by name; prompt is dismissed for this project"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 — Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: main branch of the plan-review fixture repo; one-time gstack onboarding prompt before the auth refactor review.\nELI10: gstack has a bunch of slash-command skills (review, ship, investigate...). A short routing section in CLAUDE.md tells the assistant which skill to reach for when you say things like \"review this\" or \"there's a bug\". Without it, you have to name the skill yourself every time.\nStakes if we pick wrong: Pick A and you get one extra committed block in CLAUDE.md; pick B and skills only run when you type them explicitly. Both are easy to reverse.\nRecommendation: A because auto-routing saves a lookup every session and the block is small and reversible.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a small committed CLAUDE.md block vs. manual skill invocation forever. Note: we are in plan mode, so the actual CLAUDE.md edit and commit would happen after the review, when edits are allowed.": "Add routing rules to CLAUDE.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:05:42.811Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01JZ8VdnD4LaHA3bhNFoZVQk",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 — No design doc found. Run /office-hours first, or go straight to the engineering review?\nProject/branch/task: main branch; reviewing PLAN.md \"Multi-tenant Auth Refactor\" with /plan-eng-review.\nELI10: A design doc is the \"why\" behind a plan: the problem statement, the premise challenged, alternatives considered. /office-hours produces one in about 10 minutes. Without it, this review judges the plan's architecture on the plan text alone (which here is a short list of known smells, not a full design).\nStakes if we pick wrong: Skip it and the review may spend effort on remedies for a problem the plan never states; run it and you spend ~10 minutes before any review findings arrive.\nRecommendation: B because the plan already names its concrete problems (shared mutable cache, nested try/catch, legacy rewrite without regression, 5 sequential IDP calls) and the review can proceed on those directly.\nNote: options differ in kind, not coverage — no completeness score.\nNet: sharper problem framing now vs. getting to findings immediately on a plan that already knows where its risks are.",
|
||||
"header": "Design doc",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Skip — proceed with standard review (recommended)",
|
||||
"description": "✅ Findings start now; the plan already lists its concrete risks to review against\n✅ No extra 10-minute detour before the architecture and test review\n❌ Problem statement and alternatives stay implicit; review can't check the plan against a stated goal"
|
||||
},
|
||||
{
|
||||
"label": "Run /office-hours now, then resume review",
|
||||
"description": "✅ Produces a structured problem statement and explored alternatives the review can anchor on\n✅ Catches a wrong premise (e.g. do we need SessionMint at all?) before architecture debate\n❌ ~10 minutes of interactive Q&A before any review output"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 — No design doc found. Run /office-hours first, or go straight to the engineering review?\nProject/branch/task: main branch; reviewing PLAN.md \"Multi-tenant Auth Refactor\" with /plan-eng-review.\nELI10: A design doc is the \"why\" behind a plan: the problem statement, the premise challenged, alternatives considered. /office-hours produces one in about 10 minutes. Without it, this review judges the plan's architecture on the plan text alone (which here is a short list of known smells, not a full design).\nStakes if we pick wrong: Skip it and the review may spend effort on remedies for a problem the plan never states; run it and you spend ~10 minutes before any review findings arrive.\nRecommendation: B because the plan already names its concrete problems (shared mutable cache, nested try/catch, legacy rewrite without regression, 5 sequential IDP calls) and the review can proceed on those directly.\nNote: options differ in kind, not coverage — no completeness score.\nNet: sharper problem framing now vs. getting to findings immediately on a plan that already knows where its risks are.": "Skip — proceed with standard review (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:06:52.961Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01Nc6u5Ut968AaE9onj1HieX",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main branch; one-time gstack setting before the review's prior-learnings lookup.\nELI10: gstack saves small lessons per project (\"this repo's test runner needs X\", \"this pattern bit us\"). Cross-project mode lets this review also read lessons saved from your other repos on this machine. Nothing leaves your machine either way.\nStakes if we pick wrong: Enable it on a machine with multiple client codebases and a lesson from one client could surface while working on another; keep it scoped and you lose reuse of patterns you already learned elsewhere.\nRecommendation: A because it is local-only and the reuse is free for a solo developer; flip it off later with one config command if you take on separate client work.\nNote: options differ in kind, not coverage — no completeness score.\nNet: broader recall of your own past lessons vs. strict per-project isolation.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project learnings (recommended)",
|
||||
"description": "✅ Reviews reuse pitfalls and patterns you already hit in other repos on this machine\n✅ Stays local; no data leaves the machine, reversible with one config command\n❌ On shared or multi-client machines, a lesson from one codebase can surface in another"
|
||||
},
|
||||
{
|
||||
"label": "Keep learnings project-scoped only",
|
||||
"description": "✅ Strict isolation; each project's lessons stay with that project\n✅ Safest default for consultants working across unrelated client codebases\n❌ Each new repo starts cold; patterns learned elsewhere are not reused"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main branch; one-time gstack setting before the review's prior-learnings lookup.\nELI10: gstack saves small lessons per project (\"this repo's test runner needs X\", \"this pattern bit us\"). Cross-project mode lets this review also read lessons saved from your other repos on this machine. Nothing leaves your machine either way.\nStakes if we pick wrong: Enable it on a machine with multiple client codebases and a lesson from one client could surface while working on another; keep it scoped and you lose reuse of patterns you already learned elsewhere.\nRecommendation: A because it is local-only and the reuse is free for a solo developer; flip it off later with one config command if you take on separate client work.\nNote: options differ in kind, not coverage — no completeness score.\nNet: broader recall of your own past lessons vs. strict per-project isolation.": "Enable cross-project learnings (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:07:09.020Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_019eZShKBCshgi2ZhfE6ZPCh",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — Should the legacyAuthFlow() rewrite land in this same PR, or as a second phase behind a switch?\nProject/branch/task: main branch; Multi-tenant Auth Refactor scope gate (PLAN.md:27-28: \"legacyAuthFlow() will get rewritten as part of this work; no regression test for the prior behavior is planned\").\nELI10: The plan does two big things at once: builds new auth services, and rewrites the old login path everyone currently uses. The old path has no tests. If both ship together and something breaks, you can't tell which half broke it and can't roll back one without the other. Phasing means new services land first (dark, behind a flag), then the legacy rewrite lands with its own regression suite and can be flipped back on its own.\nStakes if we pick wrong: Same PR: a tenant login outage means reverting the whole refactor. Phased: one extra PR and a temporary flag, and the feature is not \"done\" until phase 2 merges.\nRecommendation: B because the rewrite is the single riskiest change here (auth, no existing tests, all current callers), and a strangler cutover keeps the blast radius to one flag flip. Regression coverage is required either way; how to cover it is a separate Tests-review decision.\nNote: options differ in kind (sequencing), not coverage — no completeness score.\nNet: one big reviewable diff vs. two smaller diffs with an independent rollback lever on the auth path real users hit.",
|
||||
"header": "Legacy phase",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Phase 2: land new services first, rewrite legacy behind a flag in a follow-up PR (recommended)",
|
||||
"description": "✅ Legacy path keeps running untouched while AuthBroker/SessionMint land dark; rollback is one flag\n✅ Each PR is reviewable on its own; regression suite ships with the rewrite it protects\n❌ Temporary flag and two code paths coexist until phase 2 merges (human: ~1 day extra / CC: ~20 min)"
|
||||
},
|
||||
{
|
||||
"label": "Include the rewrite in this PR",
|
||||
"description": "✅ Single delivery; no interim flag or dual code paths to maintain\n✅ Callers migrate once instead of twice\n❌ Auth outage means reverting new services and legacy rewrite together; hardest change to bisect"
|
||||
},
|
||||
{
|
||||
"label": "Hold — discuss before deciding",
|
||||
"description": "✅ Nothing changes until you weigh in (e.g. if new services cannot work without the rewrite)\n✅ Keeps the original plan wording intact as the baseline\n❌ Stops the scope gate here; review cannot proceed to Section 1 until resolved"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — Should the legacyAuthFlow() rewrite land in this same PR, or as a second phase behind a switch?\nProject/branch/task: main branch; Multi-tenant Auth Refactor scope gate (PLAN.md:27-28: \"legacyAuthFlow() will get rewritten as part of this work; no regression test for the prior behavior is planned\").\nELI10: The plan does two big things at once: builds new auth services, and rewrites the old login path everyone currently uses. The old path has no tests. If both ship together and something breaks, you can't tell which half broke it and can't roll back one without the other. Phasing means new services land first (dark, behind a flag), then the legacy rewrite lands with its own regression suite and can be flipped back on its own.\nStakes if we pick wrong: Same PR: a tenant login outage means reverting the whole refactor. Phased: one extra PR and a temporary flag, and the feature is not \"done\" until phase 2 merges.\nRecommendation: B because the rewrite is the single riskiest change here (auth, no existing tests, all current callers), and a strangler cutover keeps the blast radius to one flag flip. Regression coverage is required either way; how to cover it is a separate Tests-review decision.\nNote: options differ in kind (sequencing), not coverage — no completeness score.\nNet: one big reviewable diff vs. two smaller diffs with an independent rollback lever on the auth path real users hit.": "Phase 2: land new services first, rewrite legacy behind a flag in a follow-up PR (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:08:59.328Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01KbWUe5m9zTHoMA4o2HE3cR",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — Keep all five new components, or consolidate to three?\nProject/branch/task: main branch; Multi-tenant Auth Refactor scope gate (PLAN.md:19 names AuthBroker + SessionMint; PLAN.md:35-36 names TokenStore, SessionMint, AuthCache, RequestPolicy; 12 files).\nELI10: The plan adds five new building blocks but only explains two of them. AuthCache is described as a thin wrapper over the cache adapter you already have (PLAN.md:11-13). TokenStore is never described, yet the name says it also stores tokens, so two new things may own the same data. RequestPolicy is never described either. Every extra class is another seam to test, mock, and keep in sync. Fewer, well-named parts is easier for the person debugging a 3am tenant lockout.\nStakes if we pick wrong: Too many parts: duplicated token state and two places that can disagree about whether a token is valid. Too few: a class doing two jobs that later has to be split under pressure.\nRecommendation: B because the plan gives TokenStore and RequestPolicy no responsibility of their own; merging token persistence into the one cache facade and expressing policy as a typed value removes two seams without dropping any behavior. Medium confidence (5/10) on the TokenStore/AuthCache overlap since there is no source in this repo to verify; either option must state each class's single responsibility in the plan.\nNote: options differ in kind (arrangement), not coverage — no completeness score. The shared-global-cache fix, validateAndDispatch cleanup, regression tests and Promise.all stay pending for their review sections under both options.\nNet: five named parts with two undefined vs. three parts each with one job and ~4 fewer files.",
|
||||
"header": "Structure",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Consolidate: AuthBroker, SessionMint, AuthCache (absorbs TokenStore); RequestPolicy as a typed value/config (recommended)",
|
||||
"description": "✅ One owner for cached token state; no second store that can disagree with the cache facade\n✅ Roughly 8 files instead of 12; fewer mocks in every service test (human: ~2 days / CC: ~30 min)\n❌ If TokenStore was meant for durable (non-cache) persistence, that responsibility must be spelled out inside AuthCache or the plan is wrong"
|
||||
},
|
||||
{
|
||||
"label": "Keep original: AuthBroker, SessionMint, AuthCache, TokenStore, RequestPolicy (12 files)",
|
||||
"description": "✅ Preserves whatever separation the author intended for TokenStore and RequestPolicy\n✅ No rework of the existing plan inventory (human: ~3 days / CC: ~45 min)\n❌ Two classes with undefined responsibility ship as-is; plan must add a one-line responsibility for each before implementation"
|
||||
},
|
||||
{
|
||||
"label": "Investigate first: define TokenStore and RequestPolicy responsibilities, then re-ask",
|
||||
"description": "✅ Decision made on facts about what those classes actually do, not on names\n✅ No structure changes until the plan states each component's job\n❌ Review stops at the scope gate until that write-up exists; nothing else moves"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Keep all five new components, or consolidate to three?\nProject/branch/task: main branch; Multi-tenant Auth Refactor scope gate (PLAN.md:19 names AuthBroker + SessionMint; PLAN.md:35-36 names TokenStore, SessionMint, AuthCache, RequestPolicy; 12 files).\nELI10: The plan adds five new building blocks but only explains two of them. AuthCache is described as a thin wrapper over the cache adapter you already have (PLAN.md:11-13). TokenStore is never described, yet the name says it also stores tokens, so two new things may own the same data. RequestPolicy is never described either. Every extra class is another seam to test, mock, and keep in sync. Fewer, well-named parts is easier for the person debugging a 3am tenant lockout.\nStakes if we pick wrong: Too many parts: duplicated token state and two places that can disagree about whether a token is valid. Too few: a class doing two jobs that later has to be split under pressure.\nRecommendation: B because the plan gives TokenStore and RequestPolicy no responsibility of their own; merging token persistence into the one cache facade and expressing policy as a typed value removes two seams without dropping any behavior. Medium confidence (5/10) on the TokenStore/AuthCache overlap since there is no source in this repo to verify; either option must state each class's single responsibility in the plan.\nNote: options differ in kind (arrangement), not coverage — no completeness score. The shared-global-cache fix, validateAndDispatch cleanup, regression tests and Promise.all stay pending for their review sections under both options.\nNet: five named parts with two undefined vs. three parts each with one job and ~4 fewer files.": "Consolidate: AuthBroker, SessionMint, AuthCache (absorbs TokenStore); RequestPolicy as a typed value/config (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:09:21.404Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01WQTs6Cf8V6MF6rqHppbakj",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 — How should AuthBroker and SessionMint get their AuthCache instance?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Architecture review, PLAN.md:19-20 (\"share a global mutable AuthCache instance via module-level export. Both services mutate it\").\nELI10: Right now the plan says: create one cache object at the top of a module, export it, and let both services import and change it. That makes the cache invisible shared state: any file that imports it can mutate it, tests can't swap it for a fake without hacking module loading, and two test files running in one process leak tenant tokens into each other. Injecting it means one place builds the cache and hands it to each service's constructor. Same single cache at runtime, but you can see who holds it.\nStakes if we pick wrong: Keep the global and a test-order-dependent flake or a stray importer mutating the cache is a tenant-isolation bug that is very hard to bisect. Inject and you write one composition root (~20 lines) and two constructor params.\nRecommendation: A because it is the standard fix [Layer 1], costs two constructor parameters, and makes every test of these services trivially isolated.\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: explicit ownership and testability vs. saving two constructor arguments on shared auth state.",
|
||||
"header": "Cache sharing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Inject: build AuthCache once at a composition root, pass to both constructors; module exports factory + type only (recommended)",
|
||||
"description": "✅ Every unit test gets a fresh AuthCache; no cross-test tenant leakage, no module-cache hacks\n✅ Grep for the constructor shows exactly who can mutate the cache (human: ~2h / CC: ~10 min)\n❌ Adds a composition-root file and constructor params; callers that construct services must pass the cache"
|
||||
},
|
||||
{
|
||||
"label": "Keep module-level export; freeze the binding and document a single-writer-per-key rule",
|
||||
"description": "✅ No constructor changes; import-and-use stays as written in the plan\n✅ Freeze prevents reassigning the export, so at least the instance identity is stable\n❌ Freeze does not stop mutation of the cache contents; tests still share one instance per process and the rule is enforced only by convention"
|
||||
},
|
||||
{
|
||||
"label": "Do nothing: keep the plan as written",
|
||||
"description": "✅ Zero extra work; the plan's wording stands\n✅ Consistent with how the existing adapter may already be imported today\n❌ Ships the exact pattern the plan itself flags as a smell; test isolation for the two new services depends on module reset"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 — How should AuthBroker and SessionMint get their AuthCache instance?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Architecture review, PLAN.md:19-20 (\"share a global mutable AuthCache instance via module-level export. Both services mutate it\").\nELI10: Right now the plan says: create one cache object at the top of a module, export it, and let both services import and change it. That makes the cache invisible shared state: any file that imports it can mutate it, tests can't swap it for a fake without hacking module loading, and two test files running in one process leak tenant tokens into each other. Injecting it means one place builds the cache and hands it to each service's constructor. Same single cache at runtime, but you can see who holds it.\nStakes if we pick wrong: Keep the global and a test-order-dependent flake or a stray importer mutating the cache is a tenant-isolation bug that is very hard to bisect. Inject and you write one composition root (~20 lines) and two constructor params.\nRecommendation: A because it is the standard fix [Layer 1], costs two constructor parameters, and makes every test of these services trivially isolated.\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: explicit ownership and testability vs. saving two constructor arguments on shared auth state.": "Inject: build AuthCache once at a composition root, pass to both constructors; module exports factory + type only (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:11:19.306Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01F7P5svGHzD9WQohpomRisE",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 — Guard against a revoked token being re-cached by an in-flight validation?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Architecture review, PLAN.md:10 (\"they do not serialize mutations\") with PLAN.md:20 (\"Both services mutate it\").\nELI10: Picture this: AuthBroker starts validating a token and calls the IDP (slow). Meanwhile an admin revokes that token, and the existing hook wipes it from the cache. Then AuthBroker's IDP call returns \"valid\" (it was, a second ago) and writes the token back into the cache. The revocation is silently undone until the entry expires. Two writers make this window wider. A generation guard fixes it: every invalidation bumps a per-tenant counter; a write that started under an older counter is dropped.\nStakes if we pick wrong: Without a guard, a revoked or suspended tenant's token can stay accepted for a full TTL. With it, a few dozen lines and one more thing to test. Medium confidence (6/10): the existing adapter may already do compare-and-set; I could not read it in this repo.\nRecommendation: A because the failure is silent, security-relevant, and the fix is small with CC; if the adapter turns out to have CAS already, the guard collapses to using it.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: close a silent revocation-undo window now vs. confirming first whether the adapter already closes it.",
|
||||
"header": "Stale writes",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add a per-tenant generation guard in AuthCache; drop writes older than the latest invalidation (recommended)",
|
||||
"description": "✅ A revoke or suspend can never be undone by a validation that started before it\n✅ Testable deterministically: start validate, invalidate, resolve IDP, assert cache miss (human: ~1 day / CC: ~15 min)\n❌ Adds a counter per tenant and one more argument on the write path; redundant if the adapter already has CAS"
|
||||
},
|
||||
{
|
||||
"label": "Investigate first: bounded probe of the adapter's write API for CAS/versioning, then decide",
|
||||
"description": "✅ Avoids building a guard the adapter may already provide\n✅ Bounded: read the adapter's set/invalidate signatures and their tests, report back\n❌ Leaves the window open until the probe is done and the choice is re-asked"
|
||||
},
|
||||
{
|
||||
"label": "Keep as-is: rely on TTL expiry and existing invalidation hooks",
|
||||
"description": "✅ No new code; matches the plan's stated behavior\n✅ Window is bounded by token TTL, which may be short in your deployment\n❌ A revoked token can remain accepted for up to one TTL with no log or error"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 — Guard against a revoked token being re-cached by an in-flight validation?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Architecture review, PLAN.md:10 (\"they do not serialize mutations\") with PLAN.md:20 (\"Both services mutate it\").\nELI10: Picture this: AuthBroker starts validating a token and calls the IDP (slow). Meanwhile an admin revokes that token, and the existing hook wipes it from the cache. Then AuthBroker's IDP call returns \"valid\" (it was, a second ago) and writes the token back into the cache. The revocation is silently undone until the entry expires. Two writers make this window wider. A generation guard fixes it: every invalidation bumps a per-tenant counter; a write that started under an older counter is dropped.\nStakes if we pick wrong: Without a guard, a revoked or suspended tenant's token can stay accepted for a full TTL. With it, a few dozen lines and one more thing to test. Medium confidence (6/10): the existing adapter may already do compare-and-set; I could not read it in this repo.\nRecommendation: A because the failure is silent, security-relevant, and the fix is small with CC; if the adapter turns out to have CAS already, the guard collapses to using it.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: close a silent revocation-undo window now vs. confirming first whether the adapter already closes it.": "Add a per-tenant generation guard in AuthCache; drop writes older than the latest invalidation (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:11:56.949Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01PU26y2KDMxH77GDsuWy2t7",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 — How should validateAndDispatch() handle its three error classes?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Code quality review, PLAN.md:23-24 (\"60 lines with three nested try/catch blocks; each catch swallows a different error class\").\nELI10: This function does two jobs (check the token, then route the request) and hides three kinds of failure inside nested catch blocks that eat the error. In auth code a swallowed error is the dangerous kind: a network blip or a malformed claim can quietly fall through to whatever the code does after the catch, and nobody sees a log line. The fix is to split it into validate() and dispatch(), catch once at the edge, and turn each error class into an explicit typed failure the caller must handle. Deny by default.\nStakes if we pick wrong: Leave it and the next tenant-lockout ticket has no error trail and a possible fail-open path. Fix it and you touch every caller of validateAndDispatch (they now receive a typed result), which is why regression coverage (next question) matters.\nRecommendation: A because swallowed errors on an auth path are a correctness and security smell, and splitting the function is the smallest change that makes each failure visible and testable.\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: explicit fail-closed failures at the cost of touching callers vs. keeping a 60-line function whose failure behavior nobody can state.",
|
||||
"header": "Error handling",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Split into validate() + dispatch(); one boundary catch; map each error class to a typed AuthFailure; fail closed (recommended)",
|
||||
"description": "✅ Every failure class becomes a named, testable outcome; nothing is silently swallowed\n✅ Two ~20-line functions replace one 60-line one; each unit-testable alone (human: ~1 day / CC: ~15 min)\n❌ Callers must handle a typed result; return shape changes are a regression risk covered by R4"
|
||||
},
|
||||
{
|
||||
"label": "Keep the structure; add structured logging in each catch (error class, tenant, request id)",
|
||||
"description": "✅ Minimal diff; no caller changes at all\n✅ Restores an audit trail for each swallowed error class\n❌ Behavior still swallows errors; fail-open paths remain, just logged"
|
||||
},
|
||||
{
|
||||
"label": "Do nothing",
|
||||
"description": "✅ Zero work now; current behavior preserved exactly\n✅ Avoids touching callers during Phase 1\n❌ The plan itself flags this as a smell and it stays unaddressed on an auth path"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 — How should validateAndDispatch() handle its three error classes?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Code quality review, PLAN.md:23-24 (\"60 lines with three nested try/catch blocks; each catch swallows a different error class\").\nELI10: This function does two jobs (check the token, then route the request) and hides three kinds of failure inside nested catch blocks that eat the error. In auth code a swallowed error is the dangerous kind: a network blip or a malformed claim can quietly fall through to whatever the code does after the catch, and nobody sees a log line. The fix is to split it into validate() and dispatch(), catch once at the edge, and turn each error class into an explicit typed failure the caller must handle. Deny by default.\nStakes if we pick wrong: Leave it and the next tenant-lockout ticket has no error trail and a possible fail-open path. Fix it and you touch every caller of validateAndDispatch (they now receive a typed result), which is why regression coverage (next question) matters.\nRecommendation: A because swallowed errors on an auth path are a correctness and security smell, and splitting the function is the smallest change that makes each failure visible and testable.\nCompleteness: A=10/10, B=5/10, C=1/10\nNet: explicit fail-closed failures at the cost of touching callers vs. keeping a 60-line function whose failure behavior nobody can state.": "Split into validate() + dispatch(); one boundary catch; map each error class to a typed AuthFailure; fail closed (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:12:36.607Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01Gvyf14ydgfnydrrz4MN8F2",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 — How do we protect legacyAuthFlow()'s current behavior before it is rewritten?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Tests review (IRON RULE), PLAN.md:14-16 and 27-28: coverage \"does not exercise legacyAuthFlow() or assert compatibility with its prior behavior\".\nELI10: The old login path is what every tenant uses today and it has no tests. Phase 1 wraps it in a flag; Phase 2 replaces it. Before either, we need a written-down list of what it does now (valid token in, expired, revoked, wrong tenant, wrong audience, IDP down, garbage token) and tests that lock those outcomes in. Then the rewrite has to make the same tests pass, and any difference is intentional and listed. This is not optional; the question is how.\nStakes if we pick wrong: Too thin (E2E only) and an edge case like wrong-audience quietly changes behavior in Phase 2. Too heavy (record/replay) and you maintain IDP fixtures forever.\nRecommendation: A because characterization tests at the function boundary pin every branch cheaply with a mocked IDP, and one E2E per flag state proves the real route still works; record/replay is more machinery for the same assertions.\nCompleteness: A=10/10, B=6/10, C=8/10\nNet: branch-level lock on today's behavior plus real-route proof vs. cheaper but coarser, or heavier fixture upkeep.",
|
||||
"header": "Regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Characterization suite at legacyAuthFlow() boundary (mocked IDP, all 7 outcomes) + E2E login with flag OFF and ON (recommended)",
|
||||
"description": "✅ Every current outcome pinned before any change; Phase 2 must pass the same suite, differences listed in its PR\n✅ E2E per flag state proves the real login route and rollback lever (human: ~2 days / CC: ~30 min)\n❌ Requires writing down the current outcomes first; if legacy behavior is itself buggy, the suite pins the bug until Phase 2 intentionally changes it"
|
||||
},
|
||||
{
|
||||
"label": "E2E only: login endpoint per tenant type, flag OFF and ON",
|
||||
"description": "✅ Tests the route users actually hit; no internal boundary to mock\n✅ Smallest test surface to maintain (human: ~1 day / CC: ~15 min)\n❌ Misses internal branches (wrong audience, malformed token) unless each gets its own slow E2E case"
|
||||
},
|
||||
{
|
||||
"label": "Record/replay: capture IDP fixtures, run old and new flows, diff outputs",
|
||||
"description": "✅ Catches any output difference, even ones nobody thought to assert\n✅ Fixtures double as realistic test data for the new services\n❌ Fixture capture and upkeep against a live IDP; brittle when IDP responses change format (human: ~3 days / CC: ~45 min)"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 — How do we protect legacyAuthFlow()'s current behavior before it is rewritten?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Tests review (IRON RULE), PLAN.md:14-16 and 27-28: coverage \"does not exercise legacyAuthFlow() or assert compatibility with its prior behavior\".\nELI10: The old login path is what every tenant uses today and it has no tests. Phase 1 wraps it in a flag; Phase 2 replaces it. Before either, we need a written-down list of what it does now (valid token in, expired, revoked, wrong tenant, wrong audience, IDP down, garbage token) and tests that lock those outcomes in. Then the rewrite has to make the same tests pass, and any difference is intentional and listed. This is not optional; the question is how.\nStakes if we pick wrong: Too thin (E2E only) and an edge case like wrong-audience quietly changes behavior in Phase 2. Too heavy (record/replay) and you maintain IDP fixtures forever.\nRecommendation: A because characterization tests at the function boundary pin every branch cheaply with a mocked IDP, and one E2E per flag state proves the real route still works; record/replay is more machinery for the same assertions.\nCompleteness: A=10/10, B=6/10, C=8/10\nNet: branch-level lock on today's behavior plus real-route proof vs. cheaper but coarser, or heavier fixture upkeep.": "Characterization suite at legacyAuthFlow() boundary (mocked IDP, all 7 outcomes) + E2E login with flag OFF and ON (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:13:32.368Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01GzmzsED1A8CxsTcpz92Yz8",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 — Parallelize the 5 IDP calls, and what happens when one fails or hangs?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Performance review, PLAN.md:31-32 (\"5 sequential API calls to the IDP; they could be parallelized via Promise.all trivially\").\nELI10: Today a login waits for five network round trips one after another. Running them at once makes login roughly five times faster on the IDP part. But \"trivially\" hides two questions: how long do we wait if the IDP hangs, and when one call fails, do the other four keep burning IDP quota? A shared timeout plus an abort signal answers both: the user gets a clear denial within a fixed budget, and no call outlives the decision.\nStakes if we pick wrong: Bare Promise.all with a hanging IDP means a login spinner with no end and four orphaned requests per attempt; sequential means every tenant pays 5x latency on each cache miss.\nRecommendation: A because the parallel win is real, and the timeout/abort is a few lines that turn \"IDP is slow\" from a hang into a typed, testable denial (R3).\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: fast, bounded, cancellable validation vs. fast but unbounded, vs. slow but as-is.",
|
||||
"header": "IDP calls",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Promise.all with a shared timeout (config, default 3000 ms) and AbortSignal; first failure aborts the rest → AuthFailure.IdpUnavailable (recommended)",
|
||||
"description": "✅ Cache-miss login latency drops from ~5 round trips to ~1, capped at the timeout budget\n✅ A hung IDP yields a clear denial in N ms with no orphaned requests; testable with a fake slow IDP (human: ~half day / CC: ~10 min)\n❌ One more config value to own; timeout default needs tuning against real IDP p99"
|
||||
},
|
||||
{
|
||||
"label": "Bare Promise.all as the plan says",
|
||||
"description": "✅ Same latency win on the happy path; one-line change\n✅ No new config surface\n❌ A hanging IDP hangs login indefinitely; a fast rejection leaves 4 calls running with results thrown away"
|
||||
},
|
||||
{
|
||||
"label": "Keep sequential",
|
||||
"description": "✅ Zero change; failure behavior identical to today\n✅ Easiest to reason about call ordering in logs\n❌ Every cache-miss login pays ~5x IDP latency; the plan already identifies this as waste"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 — Parallelize the 5 IDP calls, and what happens when one fails or hangs?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Performance review, PLAN.md:31-32 (\"5 sequential API calls to the IDP; they could be parallelized via Promise.all trivially\").\nELI10: Today a login waits for five network round trips one after another. Running them at once makes login roughly five times faster on the IDP part. But \"trivially\" hides two questions: how long do we wait if the IDP hangs, and when one call fails, do the other four keep burning IDP quota? A shared timeout plus an abort signal answers both: the user gets a clear denial within a fixed budget, and no call outlives the decision.\nStakes if we pick wrong: Bare Promise.all with a hanging IDP means a login spinner with no end and four orphaned requests per attempt; sequential means every tenant pays 5x latency on each cache miss.\nRecommendation: A because the parallel win is real, and the timeout/abort is a few lines that turn \"IDP is slow\" from a hang into a typed, testable denial (R3).\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: fast, bounded, cancellable validation vs. fast but unbounded, vs. slow but as-is.": "Promise.all with a shared timeout (config, default 3000 ms) and AbortSignal; first failure aborts the rest → AuthFailure.IdpUnavailable (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:15:11.337Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01QWVoq5JbwMN9GAFTnz1tUv",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D11 — Which of the 5 IDP calls actually need to happen on every cache miss?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Performance review, PLAN.md:31 (\"Token validation issues 5 sequential API calls to the IDP\").\nELI10: Parallelizing (D10) makes login faster but the IDP still gets five requests per cache miss. Typically only one or two of those are about the specific token; the rest fetch things that change rarely per tenant (discovery document, signing keys, tenant settings). Those can sit in the cache you already have. But the plan never lists the five calls, so I can't tell which are which.\nStakes if we pick wrong: Cache the wrong thing (e.g. an introspection result past its validity) and a revoked token is accepted; cache nothing and IDP load scales with every login miss and you eat rate limits at peak.\nRecommendation: A because the right answer depends on what the five calls are, and enumerating them is a 15-minute read that avoids caching a per-token response by mistake. Medium confidence (6/10) that caching applies at all.\nCompleteness: A=6/10, B=9/10, C=2/10\nNet: a short fact-finding step before committing to caching vs. caching the usual suspects now on an assumption.",
|
||||
"header": "IDP caching",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Investigate first: enumerate the 5 calls, classify static-per-tenant vs per-token, then re-ask with TTL sources (recommended)",
|
||||
"description": "✅ Decision made on the actual call list; no risk of caching a per-token introspection response\n✅ Bounded: read the validation code path and IDP client, produce a 5-row table (human: ~1h / CC: ~5 min)\n❌ IDP load stays at 5 calls per miss until re-decided; one more question later"
|
||||
},
|
||||
{
|
||||
"label": "Cache discovery + JWKS per tenant in AuthCache now (TTL from response headers, fallback 300 s)",
|
||||
"description": "✅ Cuts steady-state IDP calls per miss from 5 to the per-token ones immediately\n✅ Reuses AuthCache and its tenant key; standard OIDC practice for these two documents\n❌ Assumes two of the five calls are discovery and JWKS; if the mix differs, part of this work is wasted"
|
||||
},
|
||||
{
|
||||
"label": "Do nothing: parallelize only (D10)",
|
||||
"description": "✅ No new cache entries or TTL policy to own\n✅ Latency win from D10 already banked\n❌ IDP request volume unchanged; rate limits at peak login remain a risk"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 — Which of the 5 IDP calls actually need to happen on every cache miss?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, Performance review, PLAN.md:31 (\"Token validation issues 5 sequential API calls to the IDP\").\nELI10: Parallelizing (D10) makes login faster but the IDP still gets five requests per cache miss. Typically only one or two of those are about the specific token; the rest fetch things that change rarely per tenant (discovery document, signing keys, tenant settings). Those can sit in the cache you already have. But the plan never lists the five calls, so I can't tell which are which.\nStakes if we pick wrong: Cache the wrong thing (e.g. an introspection result past its validity) and a revoked token is accepted; cache nothing and IDP load scales with every login miss and you eat rate limits at peak.\nRecommendation: A because the right answer depends on what the five calls are, and enumerating them is a 15-minute read that avoids caching a per-token response by mistake. Medium confidence (6/10) that caching applies at all.\nCompleteness: A=6/10, B=9/10, C=2/10\nNet: a short fact-finding step before committing to caching vs. caching the usual suspects now on an assumption.": "Investigate first: enumerate the 5 calls, classify static-per-tenant vs per-token, then re-ask with TTL sources (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:15:49.027Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01WaoMFTKK1eYoeURJfS6PE9",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D12 — Capture \"Phase 2: rewrite legacyAuthFlow() onto AuthBroker/SessionMint\" in TODOS.md?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, follow-up work created by D4 (phased cutover).\nELI10: We split the legacy rewrite into a second PR. If that intent lives only in this review file, it gets lost when the Phase 1 PR merges and someone else picks up the auth area in three months. A TODO with the why, the current state, and where to start keeps the plan whole.\nWhat: Rewrite legacyAuthFlow() onto the new services behind the cutover flag; ship with the D9 characterization suite green and intentional differences listed.\nWhy: Phase 1 lands the new services dark; without Phase 2 the flag and two code paths live forever.\nPros: closes the strangler migration; removes the duplicate auth path.\nCons: touches every current caller; needs the D9 suite in place first.\nContext: Phase 1 PR adds AuthBroker/SessionMint/AuthCache + flag (default OFF). Start at legacyAuthFlow() callers; the D9 suite is the acceptance bar.\nDepends on: Phase 1 merged; D9 characterization suite green on main.\nStakes if we pick wrong: Skip and the second half of this refactor relies on memory.\nRecommendation: A because this is committed scope with a dependency chain that a future reader needs written down.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a durable pointer to the second half vs. relying on the PR description.",
|
||||
"header": "TODO phase 2",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "✅ The second half of the refactor is tracked with its dependency (D9 suite) and start point\n✅ /retro and future reviews can see the strangler is half done\n❌ TODOS.md does not exist yet; this creates it (after plan mode ends)"
|
||||
},
|
||||
{
|
||||
"label": "Skip — not valuable enough",
|
||||
"description": "✅ No new file in the repo\n✅ Phase 2 tracked wherever you track issues instead\n❌ Nothing in-repo says the flag and dual path are temporary"
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR instead of deferring",
|
||||
"description": "✅ Single delivery, no flag lifetime\n✅ No TODO needed\n❌ Reverses D4; brings the riskiest change back into the same diff as the new services"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D12 — Capture \"Phase 2: rewrite legacyAuthFlow() onto AuthBroker/SessionMint\" in TODOS.md?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, follow-up work created by D4 (phased cutover).\nELI10: We split the legacy rewrite into a second PR. If that intent lives only in this review file, it gets lost when the Phase 1 PR merges and someone else picks up the auth area in three months. A TODO with the why, the current state, and where to start keeps the plan whole.\nWhat: Rewrite legacyAuthFlow() onto the new services behind the cutover flag; ship with the D9 characterization suite green and intentional differences listed.\nWhy: Phase 1 lands the new services dark; without Phase 2 the flag and two code paths live forever.\nPros: closes the strangler migration; removes the duplicate auth path.\nCons: touches every current caller; needs the D9 suite in place first.\nContext: Phase 1 PR adds AuthBroker/SessionMint/AuthCache + flag (default OFF). Start at legacyAuthFlow() callers; the D9 suite is the acceptance bar.\nDepends on: Phase 1 merged; D9 characterization suite green on main.\nStakes if we pick wrong: Skip and the second half of this refactor relies on memory.\nRecommendation: A because this is committed scope with a dependency chain that a future reader needs written down.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a durable pointer to the second half vs. relying on the PR description.": "Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T15:16:42.802Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
|
||||
"toolUseId": "toolu_01ADZnQbA2fQwDnbmRLkCWSf",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D13 — Capture \"Remove the auth cutover flag and legacy path after Phase 2 bakes\" in TODOS.md?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, follow-up created by D4 (flag-based strangler).\nELI10: Feature flags for migrations are meant to die. After Phase 2 is ON for every tenant and has run clean for a while, the flag, the flag checks, and the dead legacy path should be deleted, otherwise the codebase keeps two auth paths and every future change has to consider both.\nWhat: Delete the cutover flag, its checks, legacyAuthFlow() and any legacy-only tests once Phase 2 has been ON for all tenants for a bake period (proposal: 2 weeks with zero flag-OFF fallbacks).\nWhy: Dead paths in auth are attack surface and review burden.\nPros: one auth path; simpler tests; no accidental fallback to the old flow.\nCons: irreversible removal of the rollback lever; must confirm no tenant is pinned OFF.\nContext: Flag added in Phase 1 (default OFF), flipped in Phase 2. Start by grepping the flag name; the D9 characterization suite becomes the new path's regression suite.\nDepends on: Phase 2 merged and ON for all tenants; bake period elapsed.\nStakes if we pick wrong: Skip and the flag becomes permanent, which is how most \"temporary\" flags end.\nRecommendation: A because flag removal is the step teams most often forget and it has a clear trigger.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a scheduled cleanup with a trigger vs. an immortal flag.",
|
||||
"header": "TODO flag rm",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "✅ The flag has a written expiry condition and owner-facing start point\n✅ Keeps auth to one path long-term; removes dead legacy code deliberately\n❌ One more TODO to groom; the bake period is a proposal to confirm"
|
||||
},
|
||||
{
|
||||
"label": "Skip — not valuable enough",
|
||||
"description": "✅ Nothing to track; handle it when someone notices\n✅ Zero effort now\n❌ Flags without an expiry note tend to live forever"
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR instead of deferring",
|
||||
"description": "✅ No flag lifetime at all\n✅ Nothing to clean up later\n❌ Not possible: the flag is the Phase 1 rollback lever and cannot be removed before Phase 2 exists"
|
||||
}
|
||||
]
|
||||
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|
||||
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|
||||
"answered": true,
|
||||
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|
||||
"answers": {
|
||||
"D13 — Capture \"Remove the auth cutover flag and legacy path after Phase 2 bakes\" in TODOS.md?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, follow-up created by D4 (flag-based strangler).\nELI10: Feature flags for migrations are meant to die. After Phase 2 is ON for every tenant and has run clean for a while, the flag, the flag checks, and the dead legacy path should be deleted, otherwise the codebase keeps two auth paths and every future change has to consider both.\nWhat: Delete the cutover flag, its checks, legacyAuthFlow() and any legacy-only tests once Phase 2 has been ON for all tenants for a bake period (proposal: 2 weeks with zero flag-OFF fallbacks).\nWhy: Dead paths in auth are attack surface and review burden.\nPros: one auth path; simpler tests; no accidental fallback to the old flow.\nCons: irreversible removal of the rollback lever; must confirm no tenant is pinned OFF.\nContext: Flag added in Phase 1 (default OFF), flipped in Phase 2. Start by grepping the flag name; the D9 characterization suite becomes the new path's regression suite.\nDepends on: Phase 2 merged and ON for all tenants; bake period elapsed.\nStakes if we pick wrong: Skip and the flag becomes permanent, which is how most \"temporary\" flags end.\nRecommendation: A because flag removal is the step teams most often forget and it has a clear trigger.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a scheduled cleanup with a trigger vs. an immortal flag.": "Add to TODOS.md (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-15T15:17:00.898Z"
|
||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
"question": "D14 — Capture \"Tune AUTH_IDP_TIMEOUT_MS against real IDP p99\" in TODOS.md?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, follow-up created by D10 (3000 ms default timeout).\nELI10: D10 picked 3 seconds as the IDP timeout because nothing better is known yet. If the real IDP p99 is 4 seconds, healthy logins fail; if it is 400 ms, hung calls waste 7x longer than needed. Once the new path has production traffic, one look at IDP latency percentiles sets the right number.\nWhat: After Phase 1 ships, read IDP call latency percentiles (per call type, per tenant) and set AUTH_IDP_TIMEOUT_MS to ~p99 + margin; consider per-tenant override if IDPs differ.\nWhy: A default picked blind is either too tight (false denials) or too loose (slow failure).\nPros: fewer spurious IdpUnavailable denials; faster failure when the IDP is down.\nCons: needs latency metrics on the IDP client, which may not exist yet.\nContext: Timeout lives in config; the IDP client emits per-call durations (add if missing). Start from the R5 tests' fake-slow-IDP harness.\nDepends on: Phase 1 in production with IDP latency metrics.\nStakes if we pick wrong: Skip and 3000 ms becomes the permanent number by accident.\nRecommendation: A because a blind default on the login path deserves a dated follow-up.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a known-unknown written down vs. an arbitrary constant nobody revisits.",
|
||||
"header": "TODO timeout",
|
||||
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|
||||
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|
||||
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|
||||
"label": "Add to TODOS.md (recommended)",
|
||||
"description": "✅ The 3000 ms default is marked as provisional with a concrete way to replace it\n✅ Prompts adding IDP latency metrics, which also help the R6 investigation\n❌ One more TODO; needs metrics work to act on"
|
||||
},
|
||||
{
|
||||
"label": "Skip — not valuable enough",
|
||||
"description": "✅ 3000 ms is a common, workable default for OIDC calls\n✅ Nothing to groom\n❌ No trigger to revisit if false denials appear"
|
||||
},
|
||||
{
|
||||
"label": "Build it now in this PR instead of deferring",
|
||||
"description": "✅ Timeout set from data on day one\n✅ No follow-up\n❌ No production data exists for the new path yet; would be guessing from legacy metrics if any"
|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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|
||||
"D14 — Capture \"Tune AUTH_IDP_TIMEOUT_MS against real IDP p99\" in TODOS.md?\nProject/branch/task: main branch; Multi-tenant Auth Refactor, follow-up created by D10 (3000 ms default timeout).\nELI10: D10 picked 3 seconds as the IDP timeout because nothing better is known yet. If the real IDP p99 is 4 seconds, healthy logins fail; if it is 400 ms, hung calls waste 7x longer than needed. Once the new path has production traffic, one look at IDP latency percentiles sets the right number.\nWhat: After Phase 1 ships, read IDP call latency percentiles (per call type, per tenant) and set AUTH_IDP_TIMEOUT_MS to ~p99 + margin; consider per-tenant override if IDPs differ.\nWhy: A default picked blind is either too tight (false denials) or too loose (slow failure).\nPros: fewer spurious IdpUnavailable denials; faster failure when the IDP is down.\nCons: needs latency metrics on the IDP client, which may not exist yet.\nContext: Timeout lives in config; the IDP client emits per-call durations (add if missing). Start from the R5 tests' fake-slow-IDP harness.\nDepends on: Phase 1 in production with IDP latency metrics.\nStakes if we pick wrong: Skip and 3000 ms becomes the permanent number by accident.\nRecommendation: A because a blind default on the login path deserves a dated follow-up.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a known-unknown written down vs. an arbitrary constant nobody revisits.": "Add to TODOS.md (recommended)"
|
||||
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||||
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||||
"text": "Scope gate: plan mode — auto-selected B (reviewing `PLAN.md`, \"Plan: Multi-tenant Auth Refactor\").",
|
||||
"timestamp": "2026-09-15T15:05:21.753Z"
|
||||
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|
||||
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||||
"sessionId": "12496e0a-0133-48b2-bdc3-dcbb27176596",
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||||
"text": "**Section 2 Code quality findings:**\n\n1. `[P1] (7/10) PLAN.md:23-24` — three nested try/catch swallowing error classes on the auth path. **Accepted** D8: split + typed `AuthFailure`, fail closed.\n2. `[P2] (7/10) PLAN.md:7-8, 20` — DRY: two writers building the same tenant/issuer/audience/policyVersion key. All key construction goes through one `AuthCache.keyFor(...)`; implementation detail of the accepted D5 arrangement, carried, no new question.\n3. `[P3] (8/10) PLAN.md:35` — inventory inconsistency, corrected in the reviewed plan.\n4. No existing ASCII diagrams in touched files to check (no source in repo).\n\n**Section 3: Tests.** Framework: unknown. No `## Testing` section in CLAUDE.md and the repo has no source or test files, so I can't detect it; the test files below use `*.test.ts` naming as a placeholder to match once the runtime is known.\n\nCodepath trace (from the reviewed plan):\n\n```\nCODE PATHS USER FLOWS\n[+] AuthBroker.validate() [+] Tenant login (flag OFF, Phase 1)\n ├── [GAP] cache hit → decision ├── [GAP] [→E2E] CRITICAL legacy path unchanged\n ├── [GAP] cache miss → IDP calls → set(gen) └── [GAP] [→E2E] flag flip ON/OFF, no re-login\n ├── [GAP] IDP timeout / one-of-N rejects [+] Tenant login (flag ON, Phase 2)\n ├── [GAP] invalid claims → AuthFailure.InvalidClaims ├── [GAP] [→E2E] happy login per tenant\n ├── [GAP] policy denied → AuthFailure.PolicyDenied ├── [GAP] [→E2E] revoked mid-session → denied\n └── [GAP] unknown error → deny (no swallow) └── [GAP] tenant suspended → denied\n[+] SessionMint.mint() [+] Error states\n ├── [GAP] happy mint → set(gen) ├── [GAP] IDP down → clear denial, not hang\n └── [GAP] stale generation → write dropped └── [GAP] double-submit login → one session\n[+] AuthCache (facade)\n ├── [GAP] keyFor(): tenant required, no default\n ├── [GAP] get/set delegate to adapter (existing tests cover adapter itself ★★★ assumed)\n ├── [GAP] generation bump on logout/revoke/suspend hooks\n └── [GAP] set(olderGen) dropped; set(currentGen) written\n[+] validate() / dispatch() (split of validateAndDispatch)\n ├── [GAP] each of 3 error classes → typed variant\n └── [GAP] dispatch denies on any failure variant\n[+] composition root\n └── [GAP] both services receive the same AuthCache instance\n[+] legacyAuthFlow() (Phase 2 rewrite target)\n └── [GAP] CRITICAL regression: valid/expired/revoked/wrong-tenant/wrong-audience/IDP-error/malformed\n\nCOVERAGE: 0/22 new paths tested (0%) | existing adapter tests retained (not re-counted)\nQUALITY: n/a (no tests exist yet) | GAPS: 22 (5 E2E, 0 eval, 2 CRITICAL)\n```\n\nLLM/eval scope: none (no prompts touched). Regression rule first.",
|
||||
"timestamp": "2026-09-15T15:13:15.429Z"
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||||
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||||
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||||
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"text": "Both entries landed (decision id `8f071789…`). Writing the host plan-file pointer, then learnings, telemetry, and cache refresh.",
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||||
"timestamp": "2026-09-15T15:23:34.463Z"
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"report": "# Plan: Multi-tenant Auth Refactor (reviewed)\n\nReviewed target: `PLAN.md` (\"Plan: Multi-tenant Auth Refactor\"), repo `gstack-plan-count-JcnhYx`, branch `main`, commit 629f68c.\nReview: /plan-eng-review, 2026-09-15. Report file selected per user request.\nNote: this repo holds only the plan; no application source was available to probe. Findings cite plan lines; confidence is capped accordingly (no 9-10 scores).\n\n## Context\nAuth is being split into two new services (`AuthBroker`, `SessionMint`) sharing a tenant-keyed cache, while the current `legacyAuthFlow()` login path is rewritten. The original plan bundled both into one 12-file change with five new components, no regression coverage for the legacy path, a module-level mutable cache shared by both services, an error-swallowing dispatcher, and five sequential IDP calls per validation. This review reduced scope to a two-phase strangler cutover with three well-defined components, and pinned the remedies for shared state, error handling, regression coverage and IDP latency. One choice (R6, IDP response caching) stays open pending a bounded investigation.\n\n## Existing contracts retained (unchanged from original)\nThe existing cache adapter keys entries by tenant ID, issuer, audience, and policy version. It evicts expired tokens and invalidates entries on logout, token revocation, or tenant suspension. `AuthCache` retains these unchanged validity and tenant-key rules; the adapter does not serialize mutations (see R2 for the guard added on top). `AuthCache` is a service-facing facade over that same existing adapter, with one backing cache. The adapter, its invalidation hooks, and their existing tests remain in use unchanged.\n\n## Phasing (accepted: D4)\n- **Phase 1 (this PR):** land `AuthBroker`, `SessionMint`, `AuthCache` behind a cutover flag (default OFF). Flag OFF routes login through `legacyAuthFlow()` untouched; flag ON routes through the new services. If the flag cannot be read, treat it as OFF and log (fail-safe to the known path).\n- **Phase 2 (follow-up PR):** migrate `legacyAuthFlow()` and its callers onto the new services under the same flag, shipped with the D9 regression suite green and every intentional difference listed. Rollback is one flag flip.\n- **Later:** remove the flag and the legacy path after a bake period (TODO, D13).\n\n## Architecture (accepted: D5, D6, D7)\nThree new classes, each with one responsibility, plus one typed value:\n- `AuthBroker` — validates inbound tokens against the IDP and returns an `AuthResult`.\n- `SessionMint` — issues sessions for validated principals.\n- `AuthCache` — the single service-facing facade over the existing cache adapter. Absorbs the token persistence role originally assigned to `TokenStore`. Owns key construction (`keyFor(tenant, issuer, audience, policyVersion)`, tenant required) and the per-tenant generation counter.\n- `RequestPolicy` — a typed value/config object, not a class with behavior.\n\n**Instance sharing (D6):** one composition root builds `AuthCache` over the existing adapter and passes it into the `AuthBroker` and `SessionMint` constructors. The `AuthCache` module exports `createAuthCache(adapter)` and the type; it never exports an instance. Tests construct a fresh `AuthCache` per test.\n\n**Lost-invalidation guard (D7):** `AuthCache` keeps a per-tenant generation counter. Every existing invalidation hook (logout, revocation, suspension) bumps it through the facade. Services read the generation at operation start and pass it to `set`; `set` drops any write whose generation is older than the current one. If the adapter already exposes compare-and-set, the guard is built on it rather than duplicated.\n\n```\n composition root\n createAuthCache(adapter) ──┬──▶ new AuthBroker(cache, idpClient, policy)\n └──▶ new SessionMint(cache)\n\nrequest ─▶ flag? ──OFF──▶ legacyAuthFlow() (Phase 1: unchanged)\n │\n ON\n ▼\n AuthBroker.validate(token, tenant)\n ├─ gen = cache.generation(tenant)\n ├─ cache.get(keyFor(tenant, issuer, audience, policyVersion)) ── hit ──▶ AuthResult\n └─ miss ─▶ Promise.all(5 IDP calls, shared AbortSignal, AUTH_IDP_TIMEOUT_MS)\n ├─ all ok ─▶ cache.set(key, entry, gen) ─▶ AuthResult.ok\n ├─ any reject / timeout ─▶ abort rest ─▶ AuthFailure.IdpUnavailable\n ├─ bad claims ─▶ AuthFailure.InvalidClaims\n └─ policy deny ─▶ AuthFailure.PolicyDenied\n ▼\n dispatch(result, request) ── ok ──▶ SessionMint.mint(principal, policy) ─▶ cache.set(sessionKey, s, gen)\n └─ any failure ──▶ deny (fail closed)\n\n revoke / logout / suspend ─▶ adapter invalidation hook ─▶ cache.bumpGeneratiLine truncated
|
||||
"screen": " Full reviewed implementation plan + decision ledger + GSTACK REVIEW REPORT:\n /tmp/gstack-owned-display-np1l2aqb/gstack-paid-shard-s7CwsG/tmp/gstack-e2e-plan-eng-CWCZPe/gstack-test-plan-eng.md\n\n QA Test Plan artifact (skill-prescribed path):\n ~/.gstack/projects/gstack-plan-count-JcnhYx/vercel-sandbox-main-eng-review-test-plan-20260915-151403.md\n\n Implementation tasks JSONL: ~/.gstack/projects/gstack-plan-count-JcnhYx/tasks-eng-review-20260915-152312.jsonl (8\n tasks)\n\n Outcome\n\n - Scope reduced: Phase 1 lands AuthBroker/SessionMint/AuthCache behind a cutover flag (default OFF); Phase 2 migrates\n legacyAuthFlow() in a follow-up PR (D4, D5).\n - Accepted remedies: injected AuthCache (D6), per-tenant generation guard (D7), validate/dispatch split with typed\n AuthFailure (D8), characterization suite before flag wrap — CRITICAL (D9), Promise.all + AbortSignal timeout (D10).\n - Unresolved: R6 IDP static-response caching, pending the 5-call enumeration (D11).\n - Verdict: ISSUES OPEN (1 unresolved). Outside review: codex disabled.\n\n Follow-ups once plan mode ends (user-approved, no edits made yet)\n\n 1. Create TODOS.md with the three approved entries (D12–D14) — text is in the report file.\n 2. Append gstack ## Skill routing rules to CLAUDE.md and commit: git add CLAUDE.md && git commit -m \"chore: add gstack\n skill routing rules to CLAUDE.md\" (D1).\n\n Verification\n\n - Report file read back: 459 lines, ## GSTACK REVIEW REPORT is the last section, final line is the R6 unresolved\n bullet, approval readiness PASS recorded.\n - gstack-review-read shows the plan-eng-review entry (issues_open, unresolved 1, critical_gaps 0, issues_found 30,\n mode SCOPE_REDUCED) at commit 629f68c.\n╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌\n\n────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────\n Claude has written up a plan and is ready to execute. Would you like to proceed?\n\n ❯ 1. Yes, and use auto mode\n 2. Yes, manually approve edits\n 3. Tell Claude what to change\n shift+tab to approve with this feedback\n",
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||||
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"question": "D7 — Who is allowed to write to the cache adapter?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Architecture review).\nELI10: Two services both write into the same cache (PLAN.md:29), and the adapter's own rules say writes are not serialized (PLAN.md:19). Picture SessionMint waiting on the identity provider while, in that gap, the tenant gets suspended and the invalidation hook wipes their entries. The mint finishes and writes a fresh entry for a tenant who should now be locked out. Two writers make that race easy; one writer that re-checks tenant status right before storing makes it hard.\nStakes if we pick wrong: A suspended or logged-out tenant keeps a live cached session until expiry, which is exactly the class of bug the invalidation hooks exist to prevent.\nRecommendation: A because a single writer is the simplest explicit structure, needs no change to the adapter or its tests, and puts the one write site next to the one policy check in AuthBroker.\nCompleteness: A=9/10, B=8/10, D=3/10; C is an investigation step, unscored\nPros / cons:\nA) Single writer: only AuthBroker writes (recommended)\n ✅ One write site to audit; SessionMint becomes side-effect free and trivially testable\n ✅ Adapter and its existing tests stay unchanged; broker re-checks tenant status before the write\n ❌ SessionMint must return the minted session instead of storing it, a small API change (human: ~3h / CC: ~10 min)\nB) Both write, through one guarded adapter write path\n ✅ Closes the race for every present and future writer at the adapter boundary\n ✅ Services keep their proposed write calls\n ❌ Changes the adapter contract the plan promised to leave unchanged (PLAN.md:21-22); its tests must grow (human: ~1 day / CC: ~20 min)\nC) Investigate before choosing\n ✅ A bounded read of the adapter's hooks and mint write sites confirms or dismisses the race\n ✅ No structural commitment on an inferred risk\n ❌ Leaves a P1 open into implementation; the probe still ends in this same choice\nD) Both services write directly, as planned\n ✅ No API change to SessionMint or the adapter\n ✅ Matches the plan as written\n ❌ Leaves the mint-after-invalidate race open with no mitigation\nNet: one write site with a tenant re-check vs. two writers racing the invalidation hooks.",
|
||||
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||||
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||||
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||||
"label": "Single writer: only AuthBroker writes (recommended)",
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||||
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|
||||
},
|
||||
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|
||||
"label": "Both write, through one guarded adapter write path",
|
||||
"description": "✅ Closes the race for every present and future writer at the adapter boundary\n✅ Services keep their proposed write calls\n❌ Changes the adapter contract the plan promised to leave unchanged (PLAN.md:21-22); its tests must grow (human: ~1 day / CC: ~20 min)"
|
||||
},
|
||||
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|
||||
"label": "Investigate before choosing",
|
||||
"description": "✅ A bounded read of the adapter's hooks and mint write sites confirms or dismisses the race\n✅ No structural commitment on an inferred risk\n❌ Leaves a P1 open into implementation; the probe still ends in this same choice"
|
||||
},
|
||||
{
|
||||
"label": "Both services write directly, as planned",
|
||||
"description": "✅ No API change to SessionMint or the adapter\n✅ Matches the plan as written\n❌ Leaves the mint-after-invalidate race open with no mitigation"
|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
"answers": {
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||||
"D7 — Who is allowed to write to the cache adapter?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Architecture review).\nELI10: Two services both write into the same cache (PLAN.md:29), and the adapter's own rules say writes are not serialized (PLAN.md:19). Picture SessionMint waiting on the identity provider while, in that gap, the tenant gets suspended and the invalidation hook wipes their entries. The mint finishes and writes a fresh entry for a tenant who should now be locked out. Two writers make that race easy; one writer that re-checks tenant status right before storing makes it hard.\nStakes if we pick wrong: A suspended or logged-out tenant keeps a live cached session until expiry, which is exactly the class of bug the invalidation hooks exist to prevent.\nRecommendation: A because a single writer is the simplest explicit structure, needs no change to the adapter or its tests, and puts the one write site next to the one policy check in AuthBroker.\nCompleteness: A=9/10, B=8/10, D=3/10; C is an investigation step, unscored\nPros / cons:\nA) Single writer: only AuthBroker writes (recommended)\n ✅ One write site to audit; SessionMint becomes side-effect free and trivially testable\n ✅ Adapter and its existing tests stay unchanged; broker re-checks tenant status before the write\n ❌ SessionMint must return the minted session instead of storing it, a small API change (human: ~3h / CC: ~10 min)\nB) Both write, through one guarded adapter write path\n ✅ Closes the race for every present and future writer at the adapter boundary\n ✅ Services keep their proposed write calls\n ❌ Changes the adapter contract the plan promised to leave unchanged (PLAN.md:21-22); its tests must grow (human: ~1 day / CC: ~20 min)\nC) Investigate before choosing\n ✅ A bounded read of the adapter's hooks and mint write sites confirms or dismisses the race\n ✅ No structural commitment on an inferred risk\n ❌ Leaves a P1 open into implementation; the probe still ends in this same choice\nD) Both services write directly, as planned\n ✅ No API change to SessionMint or the adapter\n ✅ Matches the plan as written\n ❌ Leaves the mint-after-invalidate race open with no mitigation\nNet: one write site with a tenant re-check vs. two writers racing the invalidation hooks.": "Single writer: only AuthBroker writes (recommended)"
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||||
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|
||||
"question": "D8 — What happens when validateAndDispatch() hits an error?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Architecture review, security).\nELI10: The function that decides whether a request gets through has three nested try/catch blocks, and each one catches an error and moves on (PLAN.md:32-33). In an auth path, \"catch and move on\" is the dangerous direction: if a token check throws and the code keeps going, a bad token might be dispatched as if it were fine. The safe rule is fail closed: any error while validating or checking policy means deny, with a typed error that says which stage failed, and nothing is dispatched.\nStakes if we pick wrong: Fail open means an IDP hiccup or a malformed token could let a request through with no log line to find it later; fail closed means an IDP outage denies logins loudly, which is the outcome you want.\nRecommendation: A because auth must fail closed, typed errors make the three failure stages testable and greppable, and letting dispatch errors propagate keeps the broker from hiding downstream bugs.\nCompleteness: A=10/10, B=6/10, C=2/10\nPros / cons:\nA) Fail closed: validate/policy errors deny with typed errors; dispatch errors propagate (recommended)\n ✅ No path from a swallowed error to a dispatched request; each stage has a named error class to assert on\n ✅ Every denial is logged with tenant and request id, so a 3am incident has a trail\n ❌ An IDP or cache outage becomes visible login failures rather than silent degradation (human: ~half day / CC: ~10 min)\nB) Fail closed for validate and policy; keep swallowing dispatch errors\n ✅ Closes the security-relevant fail-open path\n ✅ Smaller change to the dispatch stage as written\n ❌ Downstream dispatch bugs stay invisible; callers cannot distinguish \"dispatched\" from \"failed silently\"\nC) Keep the three swallowing catches as planned\n ✅ No change to the proposed function\n ✅ Zero risk of newly visible failures\n ❌ Unknown fail-open behavior in the auth decision path, untestable by error class\nNet: loud, typed denials vs. silent continues in the one function that must never be silent.",
|
||||
"header": "Error contract",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Fail closed: validate/policy errors deny with typed errors; dispatch errors propagate (recommended)",
|
||||
"description": "✅ No path from a swallowed error to a dispatched request; each stage has a named error class to assert on\n✅ Every denial is logged with tenant and request id, so a 3am incident has a trail\n❌ An IDP or cache outage becomes visible login failures rather than silent degradation (human: ~half day / CC: ~10 min)"
|
||||
},
|
||||
{
|
||||
"label": "Fail closed for validate and policy; keep swallowing dispatch errors",
|
||||
"description": "✅ Closes the security-relevant fail-open path\n✅ Smaller change to the dispatch stage as written\n❌ Downstream dispatch bugs stay invisible; callers cannot distinguish \"dispatched\" from \"failed silently\""
|
||||
},
|
||||
{
|
||||
"label": "Keep the three swallowing catches as planned",
|
||||
"description": "✅ No change to the proposed function\n✅ Zero risk of newly visible failures\n❌ Unknown fail-open behavior in the auth decision path, untestable by error class"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 — What happens when validateAndDispatch() hits an error?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Architecture review, security).\nELI10: The function that decides whether a request gets through has three nested try/catch blocks, and each one catches an error and moves on (PLAN.md:32-33). In an auth path, \"catch and move on\" is the dangerous direction: if a token check throws and the code keeps going, a bad token might be dispatched as if it were fine. The safe rule is fail closed: any error while validating or checking policy means deny, with a typed error that says which stage failed, and nothing is dispatched.\nStakes if we pick wrong: Fail open means an IDP hiccup or a malformed token could let a request through with no log line to find it later; fail closed means an IDP outage denies logins loudly, which is the outcome you want.\nRecommendation: A because auth must fail closed, typed errors make the three failure stages testable and greppable, and letting dispatch errors propagate keeps the broker from hiding downstream bugs.\nCompleteness: A=10/10, B=6/10, C=2/10\nPros / cons:\nA) Fail closed: validate/policy errors deny with typed errors; dispatch errors propagate (recommended)\n ✅ No path from a swallowed error to a dispatched request; each stage has a named error class to assert on\n ✅ Every denial is logged with tenant and request id, so a 3am incident has a trail\n ❌ An IDP or cache outage becomes visible login failures rather than silent degradation (human: ~half day / CC: ~10 min)\nB) Fail closed for validate and policy; keep swallowing dispatch errors\n ✅ Closes the security-relevant fail-open path\n ✅ Smaller change to the dispatch stage as written\n ❌ Downstream dispatch bugs stay invisible; callers cannot distinguish \"dispatched\" from \"failed silently\"\nC) Keep the three swallowing catches as planned\n ✅ No change to the proposed function\n ✅ Zero risk of newly visible failures\n ❌ Unknown fail-open behavior in the auth decision path, untestable by error class\nNet: loud, typed denials vs. silent continues in the one function that must never be silent.": "Fail closed: validate/policy errors deny with typed errors; dispatch errors propagate (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-16T12:12:03.852Z"
|
||||
}
|
||||
]
|
||||
}
|
||||
-50
@@ -1,50 +0,0 @@
|
||||
{
|
||||
"provenance": "Three public native questions from AX Eng first attempt; excerpt replay never changes the failed paid outcome.",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Scope",
|
||||
"question": "D1 \u2014 Reduce the Multi-tenant Auth Refactor scope, or proceed with all five components?\nProject/branch/task: main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: The plan adds five new pieces to the auth layer, and three of them (the existing cache adapter, AuthCache, TokenStore) all store tokens. More pieces means more places for a tenant's token to end up in the wrong bucket or survive a revocation. The goal (AuthBroker + SessionMint over one shared cache) does not need all five.\nStakes if we pick wrong: too big and you ship three overlapping caches with two invalidation surfaces; too small and you rebuild TokenStore/RequestPolicy in the next PR anyway.\nRecommendation: A because it reaches the same goal with fewer moving parts and holds (not cuts) the two unjustified classes.\nCompleteness: A=9/10, B=7/10\nNet: fewer storage layers and one invalidation surface vs. shipping the plan exactly as written. <gstack-qid:plan-eng-review-scope-reduction>",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Reduce (recommended)",
|
||||
"description": "\u2705 Keep AuthBroker, SessionMint, injected AuthCache; one backing store, one invalidation surface. \u2705 Diff shrinks from 12 files and TokenStore/RequestPolicy return only with a one-line justification (T9). \u274c If TokenStore turns out to carry real behavior, it lands in a follow-up PR instead of this one. (human: saves ~2 days / CC: saves ~30 min)"
|
||||
},
|
||||
{
|
||||
"label": "B) Proceed as-is",
|
||||
"description": "\u2705 Nothing is deferred; every class in the original plan ships in this PR. \u2705 No follow-up PR needed if TokenStore and RequestPolicy do carry real behavior. \u274c Three storage-shaped components and a 12-file diff; revocation must be proven against each store separately. (human: ~2 days extra / CC: ~30 min extra)"
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
},
|
||||
{
|
||||
"header": "Errors",
|
||||
"question": "D5 \u2014 How should validateAndDispatch() handle its three error classes?\nProject/branch/task: main, PLAN.md:23-24 (60 lines, three nested try/catch, each catch swallows a different error class).\nELI10: Today each catch quietly eats its error and the function carries on. A swallowed validation error means a request can reach dispatch without a verified identity, and nothing is logged. Flattening into three named steps with one error boundary that recognizes each error type by instanceof makes every failure visible and mapped to a response.\nStakes if we pick wrong: silent auth bypass paths stay in the code, and the next debugging session starts with no log line.\nRecommendation: A because one explicit boundary is both DRYer and safer than three silent catches, and it costs minutes with CC.\nCompleteness: A=10/10, B=5/10\nNet: one typed error boundary that never swallows, versus keeping the nesting and adding logging. <gstack-qid:plan-eng-review-flatten-dispatch>",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Flatten + typed boundary (recommended)",
|
||||
"description": "\u2705 validate(), dispatch(), commit() as named helpers; one catch maps ValidationError/DispatchError/PolicyError to 401/502/403 and rethrows unknowns. \u2705 Each branch gets a test that asserts both the response and a log line (T5). \u274c Touches the whole 60-line function; needs the T1 corpus green before and after. (human: ~half day / CC: ~15 min)"
|
||||
},
|
||||
{
|
||||
"label": "B) Keep nesting, add logging",
|
||||
"description": "\u2705 Minimal diff; the three catches stay where they are. \u2705 Failures become visible in logs. \u274c Swallowed errors still let the request continue past a failed step; the behavior bug remains. (human: ~1 h / CC: ~5 min)"
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
},
|
||||
{
|
||||
"header": "IDP calls",
|
||||
"question": "D7 \u2014 How to speed up the five IDP calls in token validation?\nProject/branch/task: main, PLAN.md:31-32 (five sequential independent IDP calls, Promise.all proposed).\nELI10: Running the five calls at once cuts login latency to the slowest call. But when one fails fast, the other four keep running unless you abort them, and five concurrent calls per login multiplies pressure on the identity provider's rate limits. Some of the five (key sets, discovery document) may be cacheable and could disappear entirely.\nStakes if we pick wrong: orphaned in-flight requests, rate-limit errors at peak, or leaving easy latency wins on the table.\nRecommendation: A because Promise.all is right for all-must-succeed, and the abort plus audit are small additions with real payoff.\nCompleteness: A=10/10, B=7/10\nNet: parallel with cancellation and a call-count audit, versus bare parallelism. <gstack-qid:plan-eng-review-idp-parallel>",
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Promise.all + abort + audit (recommended)",
|
||||
"description": "\u2705 Shared AbortController cancels siblings on first failure; per-call timeout gives a clear 504 instead of a hang. \u2705 T8 audit lists which of the five calls a TTL cache can serve, so calls are removed, not just parallelized. \u274c Slightly more code than a one-line Promise.all, and the audit needs IDP response headers to confirm cacheability. (human: ~4 h / CC: ~20 min)"
|
||||
},
|
||||
{
|
||||
"label": "B) Bare Promise.all",
|
||||
"description": "\u2705 One-line change, exactly what the plan proposes. \u2705 Latency drops to the slowest call immediately. \u274c Sibling calls keep running after a failure and rate-limit pressure rises with no plan to reduce call count. (human: ~30 min / CC: ~5 min)"
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
]
|
||||
}
|
||||
-88
@@ -1,88 +0,0 @@
|
||||
{
|
||||
"provenance": {
|
||||
"source": "AV retry public AskUserQuestion and matching successful tool results",
|
||||
"diagnosisSHA256": "c3aa73a76e1de2905dfc671b9415825a0374d6fe12b765c428fd6438e7a0c3e1",
|
||||
"publicProjectionSHA256": "d12577b4723628d3fcc27b29883173b6068b1c699af04000355fbbfb5e1cb4b9",
|
||||
"nativeCalls": [
|
||||
{
|
||||
"toolUseId": "toolu_01S7dt6jQC6XpKRWBhmbd5zH",
|
||||
"sessionId": "fe691a9d-342b-4f05-8718-16dbd3f99b59",
|
||||
"nativeUseAt": "2026-09-10T23:14:47.931Z",
|
||||
"nativeAcknowledgedAt": "2026-09-10T23:14:48.639Z"
|
||||
},
|
||||
{
|
||||
"toolUseId": "toolu_01AMPdYwzzaHs2L7srvtBCLY",
|
||||
"sessionId": "fe691a9d-342b-4f05-8718-16dbd3f99b59",
|
||||
"nativeUseAt": "2026-09-10T23:17:01.319Z",
|
||||
"nativeAcknowledgedAt": "2026-09-10T23:17:01.427Z"
|
||||
}
|
||||
],
|
||||
"paidOutcomesReclassified": false
|
||||
},
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "fe691a9d-342b-4f05-8718-16dbd3f99b59",
|
||||
"toolUseId": "toolu_01S7dt6jQC6XpKRWBhmbd5zH",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 — Reduce the 5-component decomposition or proceed as-is?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), 12 files, AuthBroker + SessionMint + AuthCache + TokenStore + RequestPolicy.\nELI10: The plan builds five new pieces, but one working cache already does the storing and invalidating. AuthCache is described as a facade over that adapter with no new rules, and TokenStore is never described at all. Two wrappers around one cache means two places for tenant-key bugs to hide, and RequestPolicy has no stated job. Every extra class is another file a tired engineer has to trace at 3am when a tenant sees someone else's session.\nStakes if we pick wrong: over-decomposed, the auth path becomes 5 hops to debug and tenant-isolation bugs get harder to spot; under-decomposed, AuthBroker turns into a god object.\nRecommendation: A because it keeps the two services that carry real behavior and drops the wrappers that duplicate the existing adapter.\nCompleteness: A=9/10, B=9/10, C=5/10 (A and B reach the same goal with different decomposition; C defers half the goal).\nNet: same feature, roughly 7-8 files instead of 12, and one cache boundary instead of three.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Cut AuthCache + TokenStore, keep 3 (recommended)",
|
||||
"description": "✅ AuthBroker and SessionMint depend on the existing adapter through one small injected interface; no facade, no second store. ✅ Roughly 7-8 files touched instead of 12, and the adapter's existing tests keep covering the cache path (human: ~1 day less / CC: ~10 min less). ❌ RequestPolicy still needs a written purpose before it is built; if it is only config lookup, fold it into AuthBroker."
|
||||
},
|
||||
{
|
||||
"label": "B) Proceed as-is with all 5 components",
|
||||
"description": "✅ Every responsibility gets its own named class, which reads cleanly in a diagram. ✅ No re-planning cost right now (human: 0 / CC: 0). ❌ Three cache-shaped objects (adapter, AuthCache, TokenStore) with overlapping tenant-key rules; the plan itself never says what TokenStore or RequestPolicy do."
|
||||
},
|
||||
{
|
||||
"label": "C) Strangler-fig: AuthBroker only, defer SessionMint + RequestPolicy",
|
||||
"description": "✅ Smallest blast radius; legacy flow keeps running beside the new broker while it proves out. ✅ Fastest to ship a first slice (human: ~2 days / CC: ~30 min). ❌ Session minting stays in the legacy path, so the multi-tenant goal is only half met and a second migration PR is guaranteed."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 — Reduce the 5-component decomposition or proceed as-is?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), 12 files, AuthBroker + SessionMint + AuthCache + TokenStore + RequestPolicy.\nELI10: The plan builds five new pieces, but one working cache already does the storing and invalidating. AuthCache is described as a facade over that adapter with no new rules, and TokenStore is never described at all. Two wrappers around one cache means two places for tenant-key bugs to hide, and RequestPolicy has no stated job. Every extra class is another file a tired engineer has to trace at 3am when a tenant sees someone else's session.\nStakes if we pick wrong: over-decomposed, the auth path becomes 5 hops to debug and tenant-isolation bugs get harder to spot; under-decomposed, AuthBroker turns into a god object.\nRecommendation: A because it keeps the two services that carry real behavior and drops the wrappers that duplicate the existing adapter.\nCompleteness: A=9/10, B=9/10, C=5/10 (A and B reach the same goal with different decomposition; C defers half the goal).\nNet: same feature, roughly 7-8 files instead of 12, and one cache boundary instead of three.": "A) Cut AuthCache + TokenStore, keep 3 (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T23:14:48.639Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "fe691a9d-342b-4f05-8718-16dbd3f99b59",
|
||||
"toolUseId": "toolu_01AMPdYwzzaHs2L7srvtBCLY",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — How should validateAndDispatch() handle errors after the rewrite?\nProject/branch/task: main — Multi-tenant Auth Refactor; validateAndDispatch() is 60 lines with three nested try/catch blocks that each swallow a different error class (PLAN.md:23-24).\nELI10: When an auth function catches an error and quietly moves on, the request continues as if the check passed or never mattered. Three nested catches means three different ways a network blip, a bad token, or a policy lookup failure can turn into silence. The fix is to make every failure produce an explicit outcome the caller must handle.\nStakes if we pick wrong: a validation failure gets swallowed and a request is dispatched with unverified identity, with nothing in the logs.\nRecommendation: A because explicit typed outcomes match explicit over clever, and splitting the function is the make-the-change-easy step before the behavioral change lands.\nCompleteness: A=10/10, B=7/10, C=4/10.\nNet: A costs one small result type and yields a function you can read top to bottom and test per branch.",
|
||||
"header": "Error handling",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Split into validate() + dispatch(); one typed error boundary, deny-by-default (recommended)",
|
||||
"description": "✅ Each error class maps to an explicit AuthOutcome (denied/retryable/misconfigured) with a reason; nothing is swallowed, unknown errors deny (human: ~1 day / CC: ~20 min). ✅ Two ~25-line functions, each with its own unit tests per branch, replacing one 60-line block with 3 nesting levels. ❌ Callers must handle the new outcome type, which touches every call site of validateAndDispatch()."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep one function; flatten the three catches into one that logs and rethrows",
|
||||
"description": "✅ Minimal structural change, one try/catch instead of three (human: ~2h / CC: ~5 min). ✅ Errors are no longer silent; every failure is logged and surfaced. ❌ Callers still receive a raw exception, not a typed outcome, so deny-vs-retry decisions get re-implemented at each call site."
|
||||
},
|
||||
{
|
||||
"label": "C) Leave the shape; add logging inside each existing catch",
|
||||
"description": "✅ Smallest possible diff (human: ~30 min / CC: ~2 min). ✅ Makes swallowed errors visible in logs at least. ❌ Still 60 lines and 3 nesting levels, still fail-open behavior, and the legacy rewrite lands on top of this shape."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — How should validateAndDispatch() handle errors after the rewrite?\nProject/branch/task: main — Multi-tenant Auth Refactor; validateAndDispatch() is 60 lines with three nested try/catch blocks that each swallow a different error class (PLAN.md:23-24).\nELI10: When an auth function catches an error and quietly moves on, the request continues as if the check passed or never mattered. Three nested catches means three different ways a network blip, a bad token, or a policy lookup failure can turn into silence. The fix is to make every failure produce an explicit outcome the caller must handle.\nStakes if we pick wrong: a validation failure gets swallowed and a request is dispatched with unverified identity, with nothing in the logs.\nRecommendation: A because explicit typed outcomes match explicit over clever, and splitting the function is the make-the-change-easy step before the behavioral change lands.\nCompleteness: A=10/10, B=7/10, C=4/10.\nNet: A costs one small result type and yields a function you can read top to bottom and test per branch.": "A) Split into validate() + dispatch(); one typed error boundary, deny-by-default (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T23:17:01.427Z"
|
||||
}
|
||||
]
|
||||
}
|
||||
-32
@@ -1,32 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (reviewed)
|
||||
|
||||
## Tests
|
||||
|
||||
Test framework: none detectable in this review fixture (no `package.json`,
|
||||
no test files). The target repo is JavaScript or TypeScript (the plan uses
|
||||
`Promise.all`). File names below follow `test/<area>/<unit>.test.ts`; match the
|
||||
real repo's runner and naming when implementing.
|
||||
|
||||
**REGRESSION RULE (mandatory, no decision required):** `legacyAuthFlow()` is
|
||||
existing behavior being modified with no covering test (PLAN.md:14-16, 27-28).
|
||||
A regression test is a CRITICAL requirement of this plan: record
|
||||
`legacyAuthFlow()` outputs on a fixture set covering each tenant shape, valid
|
||||
and invalid tokens, and each invalidation reason, before any rewrite begins.
|
||||
A parity test then runs the same fixtures through `AuthBroker` and asserts
|
||||
identical results. Both live until the legacy path is deleted.
|
||||
|
||||
**Decision: D6 = 4A (full coverage).**
|
||||
|
||||
### Tests to add (every GAP above)
|
||||
|
||||
| File | Kind | Asserts |
|
||||
|------|------|---------|
|
||||
| `test/auth/legacyAuthFlow.regression.test.ts` | unit, CRITICAL | recorded fixture outputs unchanged |
|
||||
| `test/auth/parity.test.ts` | integration, CRITICAL | legacy and AuthBroker agree on every fixture |
|
||||
|
||||
## Implementation Tasks
|
||||
|
||||
- [ ] **T4 (P1, human: ~1 day / CC: ~15 min)** — tests — CRITICAL regression fixtures for legacyAuthFlow() and parity test against AuthBroker
|
||||
- Surfaced by: Test review REGRESSION RULE, PLAN.md:14-16,27-28
|
||||
- Files: `test/auth/legacyAuthFlow.regression.test.ts`, `test/auth/parity.test.ts`
|
||||
- Verify: both suites green before and after the rewrite
|
||||
-87
@@ -1,87 +0,0 @@
|
||||
{
|
||||
"sourceRevision": "749df4446b5a1abd24a590bed745efa7a5fcd43b",
|
||||
"originalOutcome": "timeout",
|
||||
"reportSha256": "ececdc15cc362ee0c46662072d12df6e27dcf89861040079e58632a9516afe62",
|
||||
"notes": [
|
||||
"Unchanged relevant R6/R7/R9/T5/T6 and terminal report excerpts plus exact native D9/D11 calls. Tests reuse the original D8 call from eng-neutral-seed-749df.json. The excerpt is not a complete reviewed plan and does not establish a paid pass."
|
||||
],
|
||||
"windowStart": "2026-09-16T12:12:00.000Z",
|
||||
"windowEnd": "2026-09-16T12:16:00.000Z",
|
||||
"parts": [
|
||||
"# Plan: Multi-tenant Auth Refactor (reviewed)\n\nReviewed target: `PLAN.md` (\"Plan: Multi-tenant Auth Refactor\") in repo `gstack-plan-count-wWc0se`, branch `main`, commit `ce9bfe4`.\nReview: `/plan-eng-review`, 2026-09-16. Design doc: none (`/office-hours` skipped at the user's request).\nEvidence note: the repository contains only `PLAN.md` and `CLAUDE.md`; no source or tests exist to probe. Every \"runtime evidence\" entry below is **unknown** and every finding is calibrated against quoted plan text, not code.\n",
|
||||
"## Decision ledger",
|
||||
"### R6: Error contract for validateAndDispatch()\nFinding: Architecture #3 (security architecture), P1, confidence 8/10, `PLAN.md:32-33` (\"three nested try/catch blocks; each catch swallows a different error class\"), plan-eng-review\nPlan baseline: original proposal — three catches, each swallowing one error class; no stated fail-closed contract. Whether a swallowed validation error currently leads to dispatch is unknown.\nRuntime evidence: unknown (no source in repo).\nComparison grid:\n\n| Choice | Current | A Fail closed everywhere | B Fail closed for validate+policy only | C Keep swallowing as planned |\n|---|---|---|---|---|\n| R6 validation / policy error | swallowed | deny; typed `AuthError` subclass per stage, logged with tenant + request id; never dispatch | deny; typed error, logged; never dispatch | swallowed (behavior unknown) |\n| R6 dispatch-stage error | swallowed | propagate to caller unchanged (caller decides), logged | swallowed as today | swallowed |\n| Cache adapter unavailable | unknown | treat as validation failure: deny, log | deny, log | unknown |\n| Caller-visible result | unknown | allow / deny(reason) / thrown dispatch error; no silent success | allow / deny(reason); dispatch errors silent | unknown |\n| R7 rollout | pending | pending | pending | pending |\n| R8 function structure (Section 2) | 60 lines, nested | pending | pending | pending |\n\nQuestion D8:\nD8 — What happens when validateAndDispatch() hits an error?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Architecture review, security).\nELI10: The function that decides whether a request gets through has three nested try/catch blocks, and each one catches an error and moves on (PLAN.md:32-33). In an auth path, \"catch and move on\" is the dangerous direction: if a token check throws and the code keeps going, a bad token might be dispatched as if it were fine. The safe rule is fail closed: any error while validating or checking policy means deny, with a typed error that says which stage failed, and nothing is dispatched.\nStakes if we pick wrong: Fail open means an IDP hiccup or a malformed token could let a request through with no log line to find it later; fail closed means an IDP outage denies logins loudly, which is the outcome you want.\nRecommendation: A because auth must fail closed, typed errors make the three failure stages testable and greppable, and letting dispatch errors propagate keeps the broker from hiding downstream bugs.\nCompleteness: A=10/10, B=6/10, C=2/10\nPros / cons:\nA) Fail closed: validate/policy errors deny with typed errors; dispatch errors propagate (recommended)\n ✅ No path from a swallowed error to a dispatched request; each stage has a named error class to assert on\n ✅ Every denial is logged with tenant and request id, so a 3am incident has a trail\n ❌ An IDP or cache outage becomes visible login failures rather than silent degradation (human: ~half day / CC: ~10 min)\nB) Fail closed for validate and policy; keep swallowing dispatch errors\n ✅ Closes the security-relevant fail-open path\n ✅ Smaller change to the dispatch stage as written\n ❌ Downstream dispatch bugs stay invisible; callers cannot distinguish \"dispatched\" from \"failed silently\"\nC) Keep the three swallowing catches as planned\n ✅ No change to the proposed function\n ✅ Zero risk of newly visible failures\n ❌ Unknown fail-open behavior in the auth decision path, untestable by error class\nNet: loud, typed denials vs. silent continues in the one function that must never be silent.\nHeader: Error contract\nOptions:\nA) Fail closed: validate/policy errors deny with typed errors; dispatch errors propagate (recommended)\n✅ No path from a swallowed error to a dispatched request; each stage has a named error class to assert on\n✅ Every denial is logged with tenant and request id, so a 3am incident has a trail\n❌ An IDP or cache outage becomes visible login failures rather than silent degradation (human: ~half day / CC: ~10 min)\nB) Fail closed for validate and policy; keep swallowing dispatch errors\n✅ Closes the security-relevant fail-open path\n✅ Smaller change to the dispatch stage as written\n❌ Downstream dispatch bugs stay invisible; callers cannot distinguish \"dispatched\" from \"failed silently\"\nC) Keep the three swallowing catches as planned\n✅ No change to the proposed function\n✅ Zero risk of newly visible failures\n❌ Unknown fail-open behavior in the auth decision path, untestable by error class\n\nState: approved\nActual answer: A) Fail closed: validate/policy errors deny with typed errors; dispatch errors propagate — D8 answer \"Fail closed: validate/policy errors deny with typed errors; dispatch errors propagate (recommended)\"\nAccepted scope: `validateAndDispatch()` fails closed. Any error during token validation, cache adapter access, or `evaluateRequestPolicy()` results in a deny carrying a typed error Line truncated
|
||||
"### R7: Rollout strategy for replacing legacyAuthFlow()\nFinding: Architecture #4, P2, confidence 8/10, `PLAN.md:36` (\"The existing `legacyAuthFlow()` will get rewritten as part of this work\"), plan-eng-review\nPlan baseline: original proposal — rewrite `legacyAuthFlow()` in place; one deploy cuts every tenant over with no rollback lever except redeploy.\nRuntime evidence: unknown; callers of `legacyAuthFlow()` and its exact signature are not visible in this repo.\nComparison grid:\n\n| Choice | Current | A Flag-routed strangler | B Parity tests, then single cutover | C Rewrite in place as planned |\n|---|---|---|---|---|\n| R7 cutover mechanism | in-place rewrite | `legacyAuthFlow()` kept; a per-tenant / percentage flag (`AUTH_BROKER_ENABLED`) routes to `AuthBroker`; legacy deleted after bake | `legacyAuthFlow()` kept until parity suite is green, then one deploy switches all callers; no flag | in-place rewrite |\n| Rollback | redeploy | flip flag, seconds | redeploy | redeploy |\n| Temporary duplication | none | two flows live for the bake window | two flows live until cutover commit | none |\n| Regression contract (R9, Test review) | pending | pending | pending | pending |\n| R4-R6 (approved) | injection, single writer, fail closed | same | same | same |\n\nQuestion D9:\nD9 — How does AuthBroker replace legacyAuthFlow() in production?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Architecture review, incremental change).\nELI10: The plan rewrites the existing login flow in place (PLAN.md:36), so the day it deploys, every tenant is on the new code and the only way back is another deploy. The alternative is to keep the old flow alive for a short bake, put a switch in front of both, and move tenants over gradually. If something is wrong for one tenant, you flip the switch back in seconds instead of paging the on-call to redeploy.\nStakes if we pick wrong: A multi-tenant auth outage with a redeploy-length rollback, or, on the other side, a flag and two code paths that someone forgets to delete.\nRecommendation: A because auth is the highest blast-radius path in the product, a flag makes the wrong choice cheap to undo (reversibility), and the delete-legacy step is a named task with a date, not an afterthought.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Flag-routed strangler: keep legacy, route by flag, delete after bake (recommended)\n ✅ Rollback is a flag flip; canary a single internal tenant before anyone else sees the new broker\n ✅ Parity can be checked live: same request through both paths in shadow mode during bake\n ❌ Two auth paths coexist for the bake window and the flag plus deletion task must be tracked (human: ~1 day / CC: ~20 min)\nB) Parity tests green, then a single cutover commit (no flag)\n ✅ No flag plumbing; the parity suite is the gate\n ✅ Legacy deleted in the same cutover commit, no lingering duplication\n ❌ All tenants move at once; rollback is a redeploy\nC) Rewrite legacyAuthFlow() in place, as planned\n ✅ Smallest diff and no temporary duplication\n ✅ Nothing to clean up afterwards\n ❌ No regression baseline to compare against once the old code is gone; rollback is a redeploy\nNet: a flag and a scheduled deletion vs. betting the whole tenant base on one deploy of the auth path.\nHeader: Rollout\nOptions:\nA) Flag-routed strangler: keep legacy, route by flag, delete after bake (recommended)\n✅ Rollback is a flag flip; canary a single internal tenant before anyone else sees the new broker\n✅ Parity can be checked live: same request through both paths in shadow mode during bake\n❌ Two auth paths coexist for the bake window and the flag plus deletion task must be tracked (human: ~1 day / CC: ~20 min)\nB) Parity tests green, then a single cutover commit (no flag)\n✅ No flag plumbing; the parity suite is the gate\n✅ Legacy deleted in the same cutover commit, no lingering duplication\n❌ All tenants move at once; rollback is a redeploy\nC) Rewrite legacyAuthFlow() in place, as planned\n✅ Smallest diff and no temporary duplication\n✅ Nothing to clean up afterwards\n❌ No regression baseline to compare against once the old code is gone; rollback is a redeploy\n\nState: approved\nActual answer: A) Flag-routed strangler — D9 answer \"Flag-routed strangler: keep legacy, route by flag, delete after bake (recommended)\"\nAccepted scope: `legacyAuthFlow()` stays untouched during the bake as the parity oracle. A flag `AUTH_BROKER_ENABLED` (per-tenant allowlist plus percentage) routes each request to `AuthBroker.validateAndDispatch()` or `legacyAuthFlow()`. Optional shadow mode runs both and logs decision mismatches without affecting the response. A named task deletes `legacyAuthFlow()`, the flag and the shadow code after the bake. Required proof: routing tests for flag on/off/percentage, and a shadow-mode mismatch-logging test.\nHistory: none.",
|
||||
"### R9: Regression contract for legacyAuthFlow() (IRON RULE)\nFinding: Test review #1 (CRITICAL), P1, confidence 9/10, `PLAN.md:36-37` (\"The existing `legacyAuthFlow()` will get rewritten as part of this work; no regression test for the prior behavior is planned\") and `PLAN.md:23-25` (\"That coverage does not exercise legacyAuthFlow() or assert compatibility with its prior behavior\"), plan-eng-review\nPlan baseline: original proposal — no regression coverage of prior behavior; new-component tests only. D9 approved: legacy stays as parity oracle during a flag-routed bake.\nRuntime evidence: unknown; `legacyAuthFlow()` callers, signature and error behavior are not visible in this repo. Test framework: unknown (no package.json / config in repo); `*.test.ts` naming assumed, to be matched to the real repo.\nComparison grid:\n\n| Choice | Current | A Full parity matrix + E2E | B Parity on decisions; error paths new-only | C Happy path + one denial |\n|---|---|---|---|---|\n| R9 behavior to preserve | unstated | every allow/deny decision, cache write, dispatch call and IDP call count/order of `legacyAuthFlow()` across the full case matrix | allow/deny decisions across the matrix | allow on valid token, deny on expired |\n| Case matrix | none | token {valid, expired, revoked, tenant suspended, wrong audience, wrong issuer, policy-version bump, missing tenant claim, cross-tenant token, malformed header} × cache {hit, miss} × IDP {all ok, call N fails, call N times out, N=1..5} | token matrix × cache {hit, miss}; IDP failures covered only on `AuthBroker` | 2 cases |\n| Intended differences | unstated | recorded explicitly: error-path outcomes where legacy fails open (if any) are documented as D8 divergences and flagged as legacy bugs; IDP calls stay 5 sequential (D4) | same recording for decision paths only | none recorded |\n| Acceptance assertions | none | per case: decision, error class, cache write yes/no, dispatch invoked yes/no, IDP call count + order; both paths share fixtures | decision + dispatch invoked | decision only |\n| E2E login journey | none | one per tenant state (active, suspended, logged-out) through the flag router [→E2E] | none | none |\n| Required proof already approved (D7, D8, D9, D10) | — | included | included | included |\n\nQuestion D11:\nD11 — How do we prove the new broker matches legacyAuthFlow() before it replaces it?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Test review, regression rule).\nELI10: The plan replaces the existing login flow and says plainly that no test will check the new code behaves like the old one (PLAN.md:36-37). The old flow is the only spec we have. A parity suite runs the same inputs through both old and new code and asserts the same allow/deny, the same cache writes, the same dispatch, and the same five IDP calls. Where they must differ on purpose (D8 makes errors deny instead of being swallowed), the difference is written down, not discovered in production.\nStakes if we pick wrong: A tenant that could log in yesterday cannot today, or worse, one that should be locked out still gets in, and nobody can say which of the two flows is \"right\".\nRecommendation: A because with CC the full matrix is minutes of table-driven test code, auth is the one place \"happy path only\" is not acceptable, and the suite doubles as the gate for the deferred Promise.all follow-up (D4).\nCompleteness: A=10/10, B=7/10, C=4/10\nPros / cons:\nA) Full parity matrix across both flows, plus E2E login journeys (recommended)\n ✅ Every token state, cache state and IDP failure position is asserted identically on legacy and broker from shared fixtures\n ✅ Intended divergences (D8 fail-closed) are recorded per case, and any legacy fail-open found becomes a flagged bug\n ❌ Largest test file in the change; table-driven, but ~100 cases to name and maintain (human: ~2 days / CC: ~30 min)\nB) Parity on allow/deny decisions; IDP error paths tested only on the new broker\n ✅ Catches decision regressions across the token and cache matrix\n ✅ Smaller suite; error paths still covered on the new code\n ❌ Legacy's actual error behavior is never recorded, so fail-open differences are invisible\nC) Happy path plus one denial\n ✅ Minutes to write, easy to read\n ✅ Confirms the wiring works end to end\n ❌ Misses every edge case the plan already knows about (suspension, revocation, audience, policy version)\nNet: a table of ~100 cheap cases now vs. finding out in production which flow was right.\nHeader: Regression\nOptions:\nA) Full parity matrix across both flows, plus E2E login journeys (recommended)\n✅ Every token state, cache state and IDP failure position is asserted identically on legacy and broker from shared fixtures\n✅ Intended divergences (D8 fail-closed) are recorded per case, and any legacy fail-open found becomes a flagged bug\n❌ Largest test file in the change; table-driven, but ~100 cases tLine truncated
|
||||
"## Implementation Tasks",
|
||||
"- [ ] **T5 (P1, human: ~2d / CC: ~1h)** — auth/__tests__/parity — Build the parity suite: shared fixtures drive `legacyAuthFlow()` and `AuthBroker` across token × cache × IDP matrix\n - Surfaced by: Test review #1 CRITICAL (`PLAN.md:36-37, 23-25`) → D11\n - Files: `auth/__tests__/parity.legacy-vs-broker.test.ts`, `auth/__tests__/fixtures/`\n - Verify: every matrix cell asserts decision, error class, cache write y/n, dispatch y/n, IDP call count + order; intended differences limited to D8 fail-closed cases and listed per case; any legacy fail-open reported as a legacy bug",
|
||||
"- [ ] **T6 (P1, human: ~1d / CC: ~30min)** — auth/router.ts — Route by `AUTH_BROKER_ENABLED` (tenant allowlist + percentage) and leave `legacyAuthFlow()` untouched\n - Surfaced by: Architecture #4 (`PLAN.md:36` big-bang rewrite) → D9\n - Files: `auth/router.ts`, `auth/__tests__/router.test.ts`\n - Verify: flag off → legacy; on → broker; percentage is deterministic per tenant; `git diff` shows no change to `legacyAuthFlow()`",
|
||||
"## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |\n| Outside Review | codex via `/plan-eng-review` | Independent 2nd opinion | 1 | DISABLED (skipped) | host: claude, outside_provider: codex, outside_status: disabled, phase: plan-review |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | CLEAR (PLAN) | 37 issues, 0 critical gaps |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |\n\n**OUTSIDE COVERAGE:** codex, phase plan-review, disabled (`codex_reviews` disabled in config) — skipped, 0 findings. No outside coverage for this plan.\n\n**VERDICT:** ENG CLEARED — ready to implement. CEO, Design and DX reviews not run (optional; backend-only refactor, no UI scope).\n\nNO UNRESOLVED DECISIONS"
|
||||
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|
||||
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"question": "D9 — How does AuthBroker replace legacyAuthFlow() in production?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Architecture review, incremental change).\nELI10: The plan rewrites the existing login flow in place (PLAN.md:36), so the day it deploys, every tenant is on the new code and the only way back is another deploy. The alternative is to keep the old flow alive for a short bake, put a switch in front of both, and move tenants over gradually. If something is wrong for one tenant, you flip the switch back in seconds instead of paging the on-call to redeploy.\nStakes if we pick wrong: A multi-tenant auth outage with a redeploy-length rollback, or, on the other side, a flag and two code paths that someone forgets to delete.\nRecommendation: A because auth is the highest blast-radius path in the product, a flag makes the wrong choice cheap to undo (reversibility), and the delete-legacy step is a named task with a date, not an afterthought.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Flag-routed strangler: keep legacy, route by flag, delete after bake (recommended)\n ✅ Rollback is a flag flip; canary a single internal tenant before anyone else sees the new broker\n ✅ Parity can be checked live: same request through both paths in shadow mode during bake\n ❌ Two auth paths coexist for the bake window and the flag plus deletion task must be tracked (human: ~1 day / CC: ~20 min)\nB) Parity tests green, then a single cutover commit (no flag)\n ✅ No flag plumbing; the parity suite is the gate\n ✅ Legacy deleted in the same cutover commit, no lingering duplication\n ❌ All tenants move at once; rollback is a redeploy\nC) Rewrite legacyAuthFlow() in place, as planned\n ✅ Smallest diff and no temporary duplication\n ✅ Nothing to clean up afterwards\n ❌ No regression baseline to compare against once the old code is gone; rollback is a redeploy\nNet: a flag and a scheduled deletion vs. betting the whole tenant base on one deploy of the auth path.",
|
||||
"header": "Rollout",
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||||
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||||
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||||
"label": "Flag-routed strangler: keep legacy, route by flag, delete after bake (recommended)",
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||||
"description": "✅ Rollback is a flag flip; canary a single internal tenant before anyone else sees the new broker\n✅ Parity can be checked live: same request through both paths in shadow mode during bake\n❌ Two auth paths coexist for the bake window and the flag plus deletion task must be tracked (human: ~1 day / CC: ~20 min)"
|
||||
},
|
||||
{
|
||||
"label": "Parity tests green, then a single cutover commit (no flag)",
|
||||
"description": "✅ No flag plumbing; the parity suite is the gate\n✅ Legacy deleted in the same cutover commit, no lingering duplication\n❌ All tenants move at once; rollback is a redeploy"
|
||||
},
|
||||
{
|
||||
"label": "Rewrite legacyAuthFlow() in place, as planned",
|
||||
"description": "✅ Smallest diff and no temporary duplication\n✅ Nothing to clean up afterwards\n❌ No regression baseline to compare against once the old code is gone; rollback is a redeploy"
|
||||
}
|
||||
]
|
||||
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|
||||
],
|
||||
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|
||||
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"answers": {
|
||||
"D9 — How does AuthBroker replace legacyAuthFlow() in production?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Architecture review, incremental change).\nELI10: The plan rewrites the existing login flow in place (PLAN.md:36), so the day it deploys, every tenant is on the new code and the only way back is another deploy. The alternative is to keep the old flow alive for a short bake, put a switch in front of both, and move tenants over gradually. If something is wrong for one tenant, you flip the switch back in seconds instead of paging the on-call to redeploy.\nStakes if we pick wrong: A multi-tenant auth outage with a redeploy-length rollback, or, on the other side, a flag and two code paths that someone forgets to delete.\nRecommendation: A because auth is the highest blast-radius path in the product, a flag makes the wrong choice cheap to undo (reversibility), and the delete-legacy step is a named task with a date, not an afterthought.\nCompleteness: A=10/10, B=7/10, C=3/10\nPros / cons:\nA) Flag-routed strangler: keep legacy, route by flag, delete after bake (recommended)\n ✅ Rollback is a flag flip; canary a single internal tenant before anyone else sees the new broker\n ✅ Parity can be checked live: same request through both paths in shadow mode during bake\n ❌ Two auth paths coexist for the bake window and the flag plus deletion task must be tracked (human: ~1 day / CC: ~20 min)\nB) Parity tests green, then a single cutover commit (no flag)\n ✅ No flag plumbing; the parity suite is the gate\n ✅ Legacy deleted in the same cutover commit, no lingering duplication\n ❌ All tenants move at once; rollback is a redeploy\nC) Rewrite legacyAuthFlow() in place, as planned\n ✅ Smallest diff and no temporary duplication\n ✅ Nothing to clean up afterwards\n ❌ No regression baseline to compare against once the old code is gone; rollback is a redeploy\nNet: a flag and a scheduled deletion vs. betting the whole tenant base on one deploy of the auth path.": "Flag-routed strangler: keep legacy, route by flag, delete after bake (recommended)"
|
||||
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||||
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"answeredAt": "2026-09-16T12:12:58.114Z"
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"questions": [
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|
||||
"question": "D11 — How do we prove the new broker matches legacyAuthFlow() before it replaces it?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Test review, regression rule).\nELI10: The plan replaces the existing login flow and says plainly that no test will check the new code behaves like the old one (PLAN.md:36-37). The old flow is the only spec we have. A parity suite runs the same inputs through both old and new code and asserts the same allow/deny, the same cache writes, the same dispatch, and the same five IDP calls. Where they must differ on purpose (D8 makes errors deny instead of being swallowed), the difference is written down, not discovered in production.\nStakes if we pick wrong: A tenant that could log in yesterday cannot today, or worse, one that should be locked out still gets in, and nobody can say which of the two flows is \"right\".\nRecommendation: A because with CC the full matrix is minutes of table-driven test code, auth is the one place \"happy path only\" is not acceptable, and the suite doubles as the gate for the deferred Promise.all follow-up (D4).\nCompleteness: A=10/10, B=7/10, C=4/10\nPros / cons:\nA) Full parity matrix across both flows, plus E2E login journeys (recommended)\n ✅ Every token state, cache state and IDP failure position is asserted identically on legacy and broker from shared fixtures\n ✅ Intended divergences (D8 fail-closed) are recorded per case, and any legacy fail-open found becomes a flagged bug\n ❌ Largest test file in the change; table-driven, but ~100 cases to name and maintain (human: ~2 days / CC: ~30 min)\nB) Parity on allow/deny decisions; IDP error paths tested only on the new broker\n ✅ Catches decision regressions across the token and cache matrix\n ✅ Smaller suite; error paths still covered on the new code\n ❌ Legacy's actual error behavior is never recorded, so fail-open differences are invisible\nC) Happy path plus one denial\n ✅ Minutes to write, easy to read\n ✅ Confirms the wiring works end to end\n ❌ Misses every edge case the plan already knows about (suspension, revocation, audience, policy version)\nNet: a table of ~100 cheap cases now vs. finding out in production which flow was right.",
|
||||
"header": "Regression",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Full parity matrix across both flows, plus E2E login journeys (recommended)",
|
||||
"description": "✅ Every token state, cache state and IDP failure position is asserted identically on legacy and broker from shared fixtures\n✅ Intended divergences (D8 fail-closed) are recorded per case, and any legacy fail-open found becomes a flagged bug\n❌ Largest test file in the change; table-driven, but ~100 cases to name and maintain (human: ~2 days / CC: ~30 min)"
|
||||
},
|
||||
{
|
||||
"label": "Parity on allow/deny decisions; IDP error paths tested only on the new broker",
|
||||
"description": "✅ Catches decision regressions across the token and cache matrix\n✅ Smaller suite; error paths still covered on the new code\n❌ Legacy's actual error behavior is never recorded, so fail-open differences are invisible"
|
||||
},
|
||||
{
|
||||
"label": "Happy path plus one denial",
|
||||
"description": "✅ Minutes to write, easy to read\n✅ Confirms the wiring works end to end\n❌ Misses every edge case the plan already knows about (suspension, revocation, audience, policy version)"
|
||||
}
|
||||
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|
||||
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|
||||
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|
||||
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|
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|
||||
"D11 — How do we prove the new broker matches legacyAuthFlow() before it replaces it?\nProject/branch/task: main branch, /plan-eng-review of PLAN.md \"Multi-tenant Auth Refactor\" (Test review, regression rule).\nELI10: The plan replaces the existing login flow and says plainly that no test will check the new code behaves like the old one (PLAN.md:36-37). The old flow is the only spec we have. A parity suite runs the same inputs through both old and new code and asserts the same allow/deny, the same cache writes, the same dispatch, and the same five IDP calls. Where they must differ on purpose (D8 makes errors deny instead of being swallowed), the difference is written down, not discovered in production.\nStakes if we pick wrong: A tenant that could log in yesterday cannot today, or worse, one that should be locked out still gets in, and nobody can say which of the two flows is \"right\".\nRecommendation: A because with CC the full matrix is minutes of table-driven test code, auth is the one place \"happy path only\" is not acceptable, and the suite doubles as the gate for the deferred Promise.all follow-up (D4).\nCompleteness: A=10/10, B=7/10, C=4/10\nPros / cons:\nA) Full parity matrix across both flows, plus E2E login journeys (recommended)\n ✅ Every token state, cache state and IDP failure position is asserted identically on legacy and broker from shared fixtures\n ✅ Intended divergences (D8 fail-closed) are recorded per case, and any legacy fail-open found becomes a flagged bug\n ❌ Largest test file in the change; table-driven, but ~100 cases to name and maintain (human: ~2 days / CC: ~30 min)\nB) Parity on allow/deny decisions; IDP error paths tested only on the new broker\n ✅ Catches decision regressions across the token and cache matrix\n ✅ Smaller suite; error paths still covered on the new code\n ❌ Legacy's actual error behavior is never recorded, so fail-open differences are invisible\nC) Happy path plus one denial\n ✅ Minutes to write, easy to read\n ✅ Confirms the wiring works end to end\n ❌ Misses every edge case the plan already knows about (suspension, revocation, audience, policy version)\nNet: a table of ~100 cheap cases now vs. finding out in production which flow was right.": "Full parity matrix across both flows, plus E2E login journeys (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-16T12:15:38.996Z"
|
||||
}
|
||||
]
|
||||
}
|
||||
-382
@@ -1,382 +0,0 @@
|
||||
{
|
||||
"sourceHead": "8d8537e5d341cc9f3d186822f06efb245ec7b8fd",
|
||||
"observedOutcome": "plan_ready",
|
||||
"observedFailure": "mandatory legacy regression coverage absent",
|
||||
"transcript": {
|
||||
"status": "ready",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_0149VZPkVTXkUE2DpWT4UaHE",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D1 \u2014 Add gstack skill routing rules to CLAUDE.md?\nProject/branch/task: gstack-plan-count-X1N3st on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules, so that saying \"review the architecture\" or \"ship it\" automatically invokes the right skill. This is a one-time setup prompt per project. Plan mode is active, so the CLAUDE.md edit and commit would happen after this review exits plan mode.\nStakes if we pick wrong: Without routing, you invoke skills by name manually; with it, an unwanted auto-invoke could surprise you.\nRecommendation: A because routing removes friction and is trivially reversible (delete the section).\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: convenience of auto-routing vs. keeping CLAUDE.md minimal.",
|
||||
"header": "Routing",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Add routing rules (recommended)",
|
||||
"description": "\u2705 Natural-language requests route to the right gstack skill without remembering names. \u2705 One-time append, reversible by deleting the section. \u274c Adds a block to CLAUDE.md and one commit; deferred until plan mode exits."
|
||||
},
|
||||
{
|
||||
"label": "B) No thanks, invoke manually",
|
||||
"description": "\u2705 CLAUDE.md stays exactly as it is, no extra commit on this fixture repo. \u2705 You keep full control over when a skill runs. \u274c You must type /skill-name each time; records routing_declined so this is not re-asked."
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"question": "D2 \u2014 Run /office-hours first, or proceed with the standard eng review?\nProject/branch/task: gstack-plan-count-X1N3st on main, PLAN.md has no design doc behind it.\nELI10: No design doc found for this branch. /office-hours produces a structured problem statement, premise challenge, and explored alternatives, which gives this review sharper input (about 10 minutes). The design doc is per-feature, not per-product. Without it, I review the plan as written and infer the problem statement from it.\nStakes if we pick wrong: Skipping means the review may lock in an approach whose premise was never challenged; running it costs ten minutes before any architecture findings land.\nRecommendation: B because the plan already states its architecture and the user request asks for the reviewed plan directly; premise questions surface in Step 0 anyway.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: sharper upstream input vs. getting to the architecture findings now.",
|
||||
"header": "Design doc",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "B) Skip \u2014 standard review (recommended)",
|
||||
"description": "\u2705 Review starts immediately against PLAN.md as written, matching the stated request. \u2705 Step 0 scope challenge still questions the premise (4 new classes, 12 files). \u274c No formal alternatives-explored record; premise challenge is lighter."
|
||||
},
|
||||
{
|
||||
"label": "A) Run /office-hours now",
|
||||
"description": "\u2705 Produces a design doc with problem statement and alternatives (human: ~1h / CC: ~10 min). \u2705 Review then has a source of truth for constraints and chosen approach. \u274c Delays architecture findings and adds a doc to maintain for a refactor whose direction is already chosen."
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"question": "D3 \u2014 Enable cross-project learnings search?\nProject/branch/task: gstack-plan-count-X1N3st on main; first time this setting is checked on this machine.\nELI10: gstack can search learnings from your other projects on this machine to find patterns that might apply here. This stays local, no data leaves your machine. Recommended for solo developers. Skip if you work on multiple client codebases where cross-contamination would be a concern.\nStakes if we pick wrong: Enabling on a multi-client machine could surface one client's patterns while reviewing another's; disabling loses reusable pitfalls you already learned elsewhere.\nRecommendation: A because learnings compound and the search is local-only and reversible via gstack-config.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: compounding knowledge across repos vs. strict per-project isolation.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Enable cross-project (recommended)",
|
||||
"description": "\u2705 Past pitfalls and patterns from other repos inform this review automatically. \u2705 Local only; one config flag, reversible any time. \u274c On a machine shared across client codebases, unrelated patterns could bleed into findings."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep project-scoped only",
|
||||
"description": "\u2705 Strict isolation; nothing from other repos appears in this review. \u2705 Safest choice for consultants working across clients. \u274c Zero learnings exist for this project yet, so the search returns nothing this session."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 \u2014 Add gstack skill routing rules to CLAUDE.md?\nProject/branch/task: gstack-plan-count-X1N3st on main, reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules, so that saying \"review the architecture\" or \"ship it\" automatically invokes the right skill. This is a one-time setup prompt per project. Plan mode is active, so the CLAUDE.md edit and commit would happen after this review exits plan mode.\nStakes if we pick wrong: Without routing, you invoke skills by name manually; with it, an unwanted auto-invoke could surprise you.\nRecommendation: A because routing removes friction and is trivially reversible (delete the section).\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: convenience of auto-routing vs. keeping CLAUDE.md minimal.": "A) Add routing rules (recommended)",
|
||||
"D2 \u2014 Run /office-hours first, or proceed with the standard eng review?\nProject/branch/task: gstack-plan-count-X1N3st on main, PLAN.md has no design doc behind it.\nELI10: No design doc found for this branch. /office-hours produces a structured problem statement, premise challenge, and explored alternatives, which gives this review sharper input (about 10 minutes). The design doc is per-feature, not per-product. Without it, I review the plan as written and infer the problem statement from it.\nStakes if we pick wrong: Skipping means the review may lock in an approach whose premise was never challenged; running it costs ten minutes before any architecture findings land.\nRecommendation: B because the plan already states its architecture and the user request asks for the reviewed plan directly; premise questions surface in Step 0 anyway.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: sharper upstream input vs. getting to the architecture findings now.": "B) Skip \u2014 standard review (recommended)",
|
||||
"D3 \u2014 Enable cross-project learnings search?\nProject/branch/task: gstack-plan-count-X1N3st on main; first time this setting is checked on this machine.\nELI10: gstack can search learnings from your other projects on this machine to find patterns that might apply here. This stays local, no data leaves your machine. Recommended for solo developers. Skip if you work on multiple client codebases where cross-contamination would be a concern.\nStakes if we pick wrong: Enabling on a multi-client machine could surface one client's patterns while reviewing another's; disabling loses reusable pitfalls you already learned elsewhere.\nRecommendation: A because learnings compound and the search is local-only and reversible via gstack-config.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: compounding knowledge across repos vs. strict per-project isolation.": "A) Enable cross-project (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T01:58:49.206Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_01DAykHz9Gmq1NGY244gtmeC",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 \u2014 Scope: reduce the 5 new types to 2, or proceed as planned?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor (PLAN.md:19-20, 34-36).\nELI10: The plan adds AuthBroker, SessionMint, AuthCache, TokenStore and RequestPolicy across 12 files. But AuthCache is described as a facade over the existing cache adapter with one backing cache (PLAN.md:11-13), which means it is a wrapper that adds no rules of its own. TokenStore and RequestPolicy are named once and never given a job. That is three cache-shaped things (adapter, AuthCache, TokenStore) where one exists and works, plus a policy class with no stated behavior. Every extra type is a place a 3am bug can hide and a file a new engineer has to learn.\nStakes if we pick wrong: Too much scope means a 12-file auth diff nobody can review in one sitting; too little means we cut a type that had a real purpose the plan just failed to write down.\nRecommendation: A because the existing adapter already carries the tenant-key and invalidation rules, so injecting it directly into the two real services keeps every behavior and deletes two wrappers and one mystery class. Maps to your preference for engineered-enough and right-sized diff.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: two services with an injected, already-tested dependency vs. five types and a global singleton for the same behavior.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Reduce to AuthBroker + SessionMint (recommended)",
|
||||
"description": "\u2705 Both services take the existing cache adapter via constructor injection; AuthCache facade and TokenStore are dropped, RequestPolicy becomes a plain typed config object plus one pure function (human: ~2 days / CC: ~30 min). \u2705 Roughly 7-8 files instead of 12, and the adapter's existing tests keep covering the cache contract. \u274c If TokenStore or RequestPolicy had a real distinct responsibility, the plan must be amended to state it before this reduction holds."
|
||||
},
|
||||
{
|
||||
"label": "B) Proceed as-is with all 5 types",
|
||||
"description": "\u2705 No re-planning; implementation starts from the current document (human: ~1 week / CC: ~1.5 h). \u2705 Each concept gets its own named home, which some teams prefer for future growth. \u274c 12-file auth diff with a global mutable singleton and two undocumented classes; review sections will still flag the singleton separately."
|
||||
},
|
||||
{
|
||||
"label": "C) Middle: keep AuthCache as the one injected boundary, drop TokenStore",
|
||||
"description": "\u2705 AuthCache stays as a named service-facing type but is passed in, not exported as a global; TokenStore is removed; RequestPolicy kept as a class (human: ~3 days / CC: ~45 min). \u2705 Preserves a seam for future cache-policy changes without the singleton. \u274c Still a facade with no rules of its own over one backing cache, and RequestPolicy remains undefined."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 \u2014 Scope: reduce the 5 new types to 2, or proceed as planned?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor (PLAN.md:19-20, 34-36).\nELI10: The plan adds AuthBroker, SessionMint, AuthCache, TokenStore and RequestPolicy across 12 files. But AuthCache is described as a facade over the existing cache adapter with one backing cache (PLAN.md:11-13), which means it is a wrapper that adds no rules of its own. TokenStore and RequestPolicy are named once and never given a job. That is three cache-shaped things (adapter, AuthCache, TokenStore) where one exists and works, plus a policy class with no stated behavior. Every extra type is a place a 3am bug can hide and a file a new engineer has to learn.\nStakes if we pick wrong: Too much scope means a 12-file auth diff nobody can review in one sitting; too little means we cut a type that had a real purpose the plan just failed to write down.\nRecommendation: A because the existing adapter already carries the tenant-key and invalidation rules, so injecting it directly into the two real services keeps every behavior and deletes two wrappers and one mystery class. Maps to your preference for engineered-enough and right-sized diff.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: two services with an injected, already-tested dependency vs. five types and a global singleton for the same behavior.": "A) Reduce to AuthBroker + SessionMint (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T02:00:05.936Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_01A9TG1GinwD4comJmBJK5m8",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 \u2014 Issue 1 [P1] (confidence 8/10) PLAN.md:10,19-20: who owns writes to the shared cache?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Architecture section.\nELI10: The plan says both AuthBroker and SessionMint mutate the same cache and that the cache rules \"do not serialize mutations\" (PLAN.md:10). Picture this: a tenant is suspended, the adapter's hook invalidates every entry for that tenant, and a millisecond later SessionMint finishes minting a session it started before the suspension and writes it back. The suspended tenant now has a live cached session until it expires. Same story for logout and token revocation. Injection (D4) fixes the global-variable smell but not this race; two writers with no ordering rule is still two writers.\nStakes if we pick wrong: A revoked or suspended tenant keeps working against your system for up to a token lifetime, silently, with nothing in the logs.\nRecommendation: 1A because a single writer plus an epoch check is explicit, easy to test, and the adapter already has the invalidation hooks to bump the epoch. Maps to your explicit-over-clever preference.\nCompleteness: 1A=10/10, 1B=7/10, 1C=3/10\nNet: an ordering rule that costs one integer compare vs. a race that only shows up in production.",
|
||||
"header": "Cache writes",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A) Single writer + invalidation epoch (recommended)",
|
||||
"description": "\u2705 Only AuthBroker writes to the adapter; SessionMint returns minted material to the broker, which stores it (human: ~1 day / CC: ~20 min). \u2705 Adapter keeps a per-tenant invalidation epoch, bumped by the existing logout/revoke/suspend hooks; a write whose captured epoch is stale is dropped and logged. Test: suspend-during-mint asserts no entry lands. \u274c SessionMint gains a return value and the adapter gains one epoch counter per tenant; slightly larger diff."
|
||||
},
|
||||
{
|
||||
"label": "1B) Both write, but every write checks the epoch",
|
||||
"description": "\u2705 No ownership change; each service reads the tenant epoch before its work and passes it on write (human: ~half day / CC: ~15 min). \u2705 Still closes the suspend-during-mint window with the same drop-and-log rule. \u274c Two writers means two places to forget the epoch check; the invariant lives in convention, not structure."
|
||||
},
|
||||
{
|
||||
"label": "1C) Accept the race, document it",
|
||||
"description": "\u2705 Zero code; plan gains a paragraph naming the window and its bound (token TTL) (human: ~10 min / CC: ~2 min). \u2705 Fine if token TTLs are seconds and suspension is rare. \u274c Suspended tenants stay live for a full TTL; no test can prove the window is as small as you think."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 \u2014 Issue 1 [P1] (confidence 8/10) PLAN.md:10,19-20: who owns writes to the shared cache?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Architecture section.\nELI10: The plan says both AuthBroker and SessionMint mutate the same cache and that the cache rules \"do not serialize mutations\" (PLAN.md:10). Picture this: a tenant is suspended, the adapter's hook invalidates every entry for that tenant, and a millisecond later SessionMint finishes minting a session it started before the suspension and writes it back. The suspended tenant now has a live cached session until it expires. Same story for logout and token revocation. Injection (D4) fixes the global-variable smell but not this race; two writers with no ordering rule is still two writers.\nStakes if we pick wrong: A revoked or suspended tenant keeps working against your system for up to a token lifetime, silently, with nothing in the logs.\nRecommendation: 1A because a single writer plus an epoch check is explicit, easy to test, and the adapter already has the invalidation hooks to bump the epoch. Maps to your explicit-over-clever preference.\nCompleteness: 1A=10/10, 1B=7/10, 1C=3/10\nNet: an ordering rule that costs one integer compare vs. a race that only shows up in production.": "1A) Single writer + invalidation epoch (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T02:00:48.065Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_012tpZo4sR2eYvYzf1Sajrwo",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 \u2014 Issue 2 [P1] (confidence 8/10) PLAN.md:27-28: how does the new flow replace legacyAuthFlow()?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Architecture section.\nELI10: The plan says legacyAuthFlow() \"will get rewritten as part of this work\" and nothing more. That is a big-bang swap of the login path for every tenant at once. If the new AuthBroker path has a bug that only one tenant's IDP configuration triggers, every tenant is down until you revert the whole deploy. The alternative is a strangler fig: keep legacyAuthFlow() intact, put a per-tenant switch in front, route a canary tenant to AuthBroker, widen, then delete the legacy function in a follow-up PR once it takes zero traffic.\nStakes if we pick wrong: Auth is the front door. A bad big-bang means every user of every tenant sees login failures at the same moment, and rollback means redeploying.\nRecommendation: 2A because a per-tenant flag makes the cost of being wrong one tenant for one minute, and the legacy path stays as the oracle for the regression tests Section 3 will require. Maps to your right-sized-diff preference: this is a necessary two-step, not a compressed rewrite.\nCompleteness: 2A=10/10, 2B=7/10, 2C=3/10\nNet: two small PRs with a kill switch vs. one large PR with a redeploy as the only undo.",
|
||||
"header": "Cutover",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "2A) Per-tenant flag, strangler fig, delete later (recommended)",
|
||||
"description": "\u2705 A routing function reads a per-tenant flag (default: legacy) and dispatches to legacyAuthFlow() or AuthBroker; both paths log the same structured outcome so they can be compared (human: ~1 day / CC: ~20 min). \u2705 Rollback is a flag flip, not a deploy; legacy stays as the regression oracle; deletion is a separate trivial PR. \u274c Two code paths coexist for the rollout window; the flag plumbing is a small amount of code that gets deleted later."
|
||||
},
|
||||
{
|
||||
"label": "2B) Global flag, all tenants at once, flip in prod",
|
||||
"description": "\u2705 One boolean, no per-tenant plumbing; still reversible without a deploy (human: ~2 h / CC: ~10 min). \u2705 Legacy path stays available as the oracle during the window. \u274c No canary: the first flip exposes every tenant simultaneously, so a tenant-specific IDP quirk hits everyone."
|
||||
},
|
||||
{
|
||||
"label": "2C) Rewrite in place as planned",
|
||||
"description": "\u2705 Smallest final codebase immediately; no flag to clean up (human: ~0 extra / CC: ~0 extra). \u2705 No dual-path period to reason about. \u274c Rollback is a redeploy; no live oracle for behavior comparison; a single bug takes down login for all tenants."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 \u2014 Issue 2 [P1] (confidence 8/10) PLAN.md:27-28: how does the new flow replace legacyAuthFlow()?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Architecture section.\nELI10: The plan says legacyAuthFlow() \"will get rewritten as part of this work\" and nothing more. That is a big-bang swap of the login path for every tenant at once. If the new AuthBroker path has a bug that only one tenant's IDP configuration triggers, every tenant is down until you revert the whole deploy. The alternative is a strangler fig: keep legacyAuthFlow() intact, put a per-tenant switch in front, route a canary tenant to AuthBroker, widen, then delete the legacy function in a follow-up PR once it takes zero traffic.\nStakes if we pick wrong: Auth is the front door. A bad big-bang means every user of every tenant sees login failures at the same moment, and rollback means redeploying.\nRecommendation: 2A because a per-tenant flag makes the cost of being wrong one tenant for one minute, and the legacy path stays as the oracle for the regression tests Section 3 will require. Maps to your right-sized-diff preference: this is a necessary two-step, not a compressed rewrite.\nCompleteness: 2A=10/10, 2B=7/10, 2C=3/10\nNet: two small PRs with a kill switch vs. one large PR with a redeploy as the only undo.": "2A) Per-tenant flag, strangler fig, delete later (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T02:01:10.134Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_019NSiGCnXy7P5FbxvdYezug",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 \u2014 Issue 3 [P1] (confidence 9/10) PLAN.md:23-24: validateAndDispatch() swallows three error classes in nested try/catch.\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Code Quality section.\nELI10: The plan describes a 60-line function with three nested try/catch blocks where \"each catch swallows a different error class.\" Swallowing means the error is caught and the function keeps going as if nothing happened. In an auth path that is the worst possible default: a signature-verification error that gets swallowed becomes a request that proceeds. Nested try/catch also hides which stage failed, so the on-call engineer at 3am sees \"dispatch failed\" with no cause. The plan does not say whether this function is being touched, but the refactor routes through it, so it is in scope.\nStakes if we pick wrong: Silent auth failures that look like success, and error logs that cannot tell you which of three stages broke.\nRecommendation: 3A because splitting into one function per stage with a single typed error boundary is explicit, removes the nesting, and makes each catch a tested branch. Maps to your explicit-over-clever and DRY preferences: one error mapper instead of three ad hoc catches.\nCompleteness: 3A=10/10, 3B=6/10, 3C=2/10\nNet: three small pure functions and one error mapper vs. a 60-line function whose failure modes are invisible.",
|
||||
"header": "Error paths",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3A) Split per stage, one typed error boundary, fail closed (recommended)",
|
||||
"description": "\u2705 Extract validateToken(), resolvePolicy(), dispatch() as pure-ish stage functions; a single outer boundary maps each error class to a typed AuthError with a stage tag, logs it with tenant and stage, and fails closed (human: ~1 day / CC: ~20 min). \u2705 Every former swallow becomes an explicit branch with its own unit test; the stage tag makes 3am triage a one-line grep. \u274c Behavior change: callers that relied on a swallowed error proceeding will now get a rejection, so the characterization tests in Section 3 must pin the current behavior first."
|
||||
},
|
||||
{
|
||||
"label": "3B) Keep the shape, stop swallowing",
|
||||
"description": "\u2705 Minimal edit: each catch logs and rethrows a typed error instead of returning silently (human: ~2 h / CC: ~10 min). \u2705 Closes the silent-success hole without restructuring. \u274c Nesting and the 60-line body remain; stage attribution still depends on reading the stack trace."
|
||||
},
|
||||
{
|
||||
"label": "3C) Leave it alone this PR",
|
||||
"description": "\u2705 Zero risk of changing behavior callers depend on; smallest diff (human: 0 / CC: 0). \u2705 Can be revisited after the flag rollout stabilizes. \u274c The new AuthBroker path inherits three silent failure modes on day one, and auth is the wrong place to carry that debt."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 \u2014 Issue 3 [P1] (confidence 9/10) PLAN.md:23-24: validateAndDispatch() swallows three error classes in nested try/catch.\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Code Quality section.\nELI10: The plan describes a 60-line function with three nested try/catch blocks where \"each catch swallows a different error class.\" Swallowing means the error is caught and the function keeps going as if nothing happened. In an auth path that is the worst possible default: a signature-verification error that gets swallowed becomes a request that proceeds. Nested try/catch also hides which stage failed, so the on-call engineer at 3am sees \"dispatch failed\" with no cause. The plan does not say whether this function is being touched, but the refactor routes through it, so it is in scope.\nStakes if we pick wrong: Silent auth failures that look like success, and error logs that cannot tell you which of three stages broke.\nRecommendation: 3A because splitting into one function per stage with a single typed error boundary is explicit, removes the nesting, and makes each catch a tested branch. Maps to your explicit-over-clever and DRY preferences: one error mapper instead of three ad hoc catches.\nCompleteness: 3A=10/10, 3B=6/10, 3C=2/10\nNet: three small pure functions and one error mapper vs. a 60-line function whose failure modes are invisible.": "3A) Split per stage, one typed error boundary, fail closed (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T02:01:34.215Z"
|
||||
},
|
||||
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|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_017uViFdvdYjbyR8qLnMQLKi",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 \u2014 Issue 4 [P1] (confidence 9/10) PLAN.md:14-16: how deep does coverage go for the new components?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Test section.\nELI10: The plan promises unit and integration coverage for \"success/error paths\" of the new components, which is a happy-path-plus-one-error promise. The diagram above shows 24 gaps. The ones that matter most are not the obvious ones: the suspend-during-mint race from 1A, the flag switch from 2A, and the one-of-five IDP calls failing. Those are the paths that only break in production, and they are exactly the ones \"success/error paths\" tends to skip. The legacyAuthFlow() and validateAndDispatch() characterization tests are already required by the regression rule and are not part of this question.\nStakes if we pick wrong: The two remedies you just approved (epoch drop, per-tenant flag) ship with no proof they work, and the first evidence is a suspended tenant still logged in.\nRecommendation: 4A because with CC the full set costs about the same as the shortcut in wall-clock, and you said too many tests beats too few.\nCompleteness: 4A=10/10, 4B=7/10, 4C=4/10\nNet: every branch in the diagram gets a test now vs. finding the untested branches in an incident.",
|
||||
"header": "Test depth",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "4A) Every diagram branch + contract + race + E2E (recommended)",
|
||||
"description": "\u2705 Unit tests for every branch above; contract tests running AuthBroker against the real adapter (not a mock) for hit/miss/invalidate/epoch; a deterministic race test that suspends between mint start and write and asserts no entry lands; three E2E flows (canary login, suspended, revoked) per flag state (human: ~3 days / CC: ~45 min). \u2705 Both approved remedies are proven before the flag ever flips. \u274c Largest test diff; the race test needs an injectable clock or hook to be deterministic."
|
||||
},
|
||||
{
|
||||
"label": "4B) Unit for all branches + E2E happy path",
|
||||
"description": "\u2705 Every code branch in the diagram gets a unit test; one E2E login per flag state (human: ~1.5 days / CC: ~25 min). \u2705 Fast to run, no real-adapter wiring in tests. \u274c Adapter is mocked, so the epoch drop and hook wiring are never exercised together; suspended/revoked E2E flows are not covered."
|
||||
},
|
||||
{
|
||||
"label": "4C) Unit success + one error path per component",
|
||||
"description": "\u2705 Matches the plan as written; smallest test diff (human: ~half day / CC: ~10 min). \u2705 Enough to catch compile-level and obvious logic mistakes. \u274c Race, flag switch, and partial IDP failure remain untested; the paths most likely to page you have no proof."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 \u2014 Issue 4 [P1] (confidence 9/10) PLAN.md:14-16: how deep does coverage go for the new components?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Test section.\nELI10: The plan promises unit and integration coverage for \"success/error paths\" of the new components, which is a happy-path-plus-one-error promise. The diagram above shows 24 gaps. The ones that matter most are not the obvious ones: the suspend-during-mint race from 1A, the flag switch from 2A, and the one-of-five IDP calls failing. Those are the paths that only break in production, and they are exactly the ones \"success/error paths\" tends to skip. The legacyAuthFlow() and validateAndDispatch() characterization tests are already required by the regression rule and are not part of this question.\nStakes if we pick wrong: The two remedies you just approved (epoch drop, per-tenant flag) ship with no proof they work, and the first evidence is a suspended tenant still logged in.\nRecommendation: 4A because with CC the full set costs about the same as the shortcut in wall-clock, and you said too many tests beats too few.\nCompleteness: 4A=10/10, 4B=7/10, 4C=4/10\nNet: every branch in the diagram gets a test now vs. finding the untested branches in an incident.": "4A) Every diagram branch + contract + race + E2E (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T02:02:36.452Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_0145d7pZYYGys2UkLPs41477",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 \u2014 Issue 5 [P2] (confidence 7/10) PLAN.md:31-32: parallelize the 5 IDP calls, but with which failure rule, and are all 5 needed?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Performance section.\nELI10: Five sequential network calls to the identity provider on every token validation means login latency is five round trips added together. Promise.all makes that one round trip, and the plan is right that the calls are independent. But Promise.all also changes failure behavior: it rejects on the first failure and abandons the rest, which is exactly what you want in auth (fail closed, fast). The trap is that some engineers reach for Promise.allSettled to \"handle partial failure,\" which in auth means deciding a token is valid when one check never ran. Second question the plan skips: in most IDP integrations, two of those five calls fetch data that changes rarely (discovery document, signing keys). Those belong in the existing cache adapter, which drops the per-request count to three or fewer.\nStakes if we pick wrong: allSettled with a lenient merge silently accepts tokens when the IDP is flaky; five parallel calls per request also multiplies IDP load five-fold at peak and can hit their rate limits.\nRecommendation: 5A because Promise.all with a per-call timeout is the fail-closed, explicit choice, and caching the static IDP metadata reuses the adapter you already have. Maps to explicit-over-clever and to reuse before building.\nCompleteness: 5A=10/10, 5B=7/10, 5C=5/10\nNet: fewer, faster, fail-closed calls vs. five parallel calls with undefined partial-failure behavior.",
|
||||
"header": "IDP calls",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "5A) Promise.all + per-call timeout + cache static IDP metadata (recommended)",
|
||||
"description": "\u2705 Promise.all over the per-request calls with an AbortController timeout on each; any rejection or timeout fails validation closed with the failing call named in the error (human: ~half day / CC: ~15 min). \u2705 Discovery document and JWKS cached through the existing adapter with TTL from the IDP's cache headers; per-request IDP calls drop to 3 or fewer and cold-start still works. \u274c Adds a key-rotation edge: a JWKS miss on an unknown kid must trigger one refetch before rejecting, which is one more branch to test."
|
||||
},
|
||||
{
|
||||
"label": "5B) Promise.all + per-call timeout, no metadata caching",
|
||||
"description": "\u2705 Latency drops from 5 round trips to 1 with the fail-closed rule made explicit (human: ~2 h / CC: ~10 min). \u2705 No new cache keys or TTL handling. \u274c Still 5 IDP calls per request at peak; rate limits and IDP outages hit 5x harder than necessary."
|
||||
},
|
||||
{
|
||||
"label": "5C) Plain Promise.all as the plan states",
|
||||
"description": "\u2705 One-line change, exactly what PLAN.md:32 describes (human: ~15 min / CC: ~2 min). \u2705 Latency win is captured. \u274c No timeout means one hung IDP call hangs the login indefinitely; failure semantics are left implicit for the next engineer to guess."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 \u2014 Issue 5 [P2] (confidence 7/10) PLAN.md:31-32: parallelize the 5 IDP calls, but with which failure rule, and are all 5 needed?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, Performance section.\nELI10: Five sequential network calls to the identity provider on every token validation means login latency is five round trips added together. Promise.all makes that one round trip, and the plan is right that the calls are independent. But Promise.all also changes failure behavior: it rejects on the first failure and abandons the rest, which is exactly what you want in auth (fail closed, fast). The trap is that some engineers reach for Promise.allSettled to \"handle partial failure,\" which in auth means deciding a token is valid when one check never ran. Second question the plan skips: in most IDP integrations, two of those five calls fetch data that changes rarely (discovery document, signing keys). Those belong in the existing cache adapter, which drops the per-request count to three or fewer.\nStakes if we pick wrong: allSettled with a lenient merge silently accepts tokens when the IDP is flaky; five parallel calls per request also multiplies IDP load five-fold at peak and can hit their rate limits.\nRecommendation: 5A because Promise.all with a per-call timeout is the fail-closed, explicit choice, and caching the static IDP metadata reuses the adapter you already have. Maps to explicit-over-clever and to reuse before building.\nCompleteness: 5A=10/10, 5B=7/10, 5C=5/10\nNet: fewer, faster, fail-closed calls vs. five parallel calls with undefined partial-failure behavior.": "5A) Promise.all + per-call timeout + cache static IDP metadata (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T02:03:00.529Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_019XZGYquVgMspt1moGkwmP8",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 \u2014 TODO 1: delete legacyAuthFlow() and the per-tenant flag after rollout completes.\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, TODOS.md updates (no TODOS.md exists yet; it would be created).\nELI10: Decision 2A keeps the legacy login path alive behind a flag during rollout. That is deliberate, but it leaves two login implementations in the codebase. Once every tenant is on AuthBroker and the flag has been at 100% for an agreed soak period, the legacy function, the routing switch, and the characterization tests that pin legacy behavior should all be removed in one small PR. Without a written TODO, dual paths tend to live forever.\nWhat: Remove legacyAuthFlow(), the flag router, and legacy characterization tests. Why: two auth paths is permanent cognitive and security surface. Pros: smaller codebase, one path to audit. Cons: must wait for soak; deleting the oracle means the new path is now the only truth. Context: flag rollout per D6/2A; AuthBroker per D4. Depends on: 100% flag rollout + soak period (suggest 2 weeks) with zero legacy traffic.\nRecommendation: A because the plan otherwise has no owner for the cleanup and it cannot be done in this PR by design.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: written follow-up vs. a dead code path nobody remembers to remove.",
|
||||
"header": "TODO legacy",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Add to TODOS.md (recommended)",
|
||||
"description": "\u2705 Cleanup has a written owner, trigger, and dependency; /ship and /retro will surface it (human: ~2 min / CC: ~1 min, write deferred until plan mode exits). \u2705 Deletion PR later is trivial because the scope is recorded now. \u274c Creates TODOS.md in a repo that has none; one more file to keep current."
|
||||
},
|
||||
{
|
||||
"label": "B) Skip \u2014 not valuable enough",
|
||||
"description": "\u2705 No new file; team relies on memory or issue tracker. \u2705 Zero effort now. \u274c Dual login paths have no recorded expiry; this is how legacy code becomes permanent."
|
||||
},
|
||||
{
|
||||
"label": "C) Build it now in this PR",
|
||||
"description": "\u2705 No follow-up needed; codebase ends with one path. \u2705 Smallest final surface. \u274c Contradicts 2A: deleting legacy in the same PR removes the rollback path and the regression oracle."
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"question": "D11 \u2014 TODO 2: metrics and alerts for stale-epoch drops and fail-closed IDP rejections.\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, TODOS.md updates.\nELI10: Decisions 1A and 5A both add a \"drop and log\" branch: a cache write with a stale epoch is discarded, and a failed or timed-out IDP call denies the login. Both are correct fail-closed behavior, and both are invisible unless someone reads logs. A counter per branch and an alert when the rate spikes tells you the difference between \"one suspension raced a mint\" and \"the IDP is down and every tenant is locked out.\" This is observability, not core behavior, so it can follow the main PR.\nWhat: emit counters for stale-epoch drops and IDP fail-closed rejections, tagged by tenant and cause; alert on rate. Why: fail-closed without visibility looks like random login failures to users and support. Pros: 3am triage becomes a dashboard glance. Cons: depends on whatever metrics stack exists, which the plan does not describe. Context: branches introduced by 1A and 5A. Depends on: main refactor PR landing; knowing the metrics library in use.\nRecommendation: A because the fail-closed branches were just approved and shipping them blind is the one gap left; adding it now (C) is also defensible if the metrics library is already wired.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: know when fail-closed fires vs. learn about it from support tickets.",
|
||||
"header": "TODO metrics",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Add to TODOS.md (recommended)",
|
||||
"description": "\u2705 Captured with cause, tags, and dependency so it lands right after the main PR (human: ~2 min / CC: ~1 min, write deferred until plan mode exits). \u2705 Keeps this PR focused on behavior and tests. \u274c Fail-closed branches ship without a counter for the gap between PRs."
|
||||
},
|
||||
{
|
||||
"label": "B) Skip \u2014 not valuable enough",
|
||||
"description": "\u2705 Structured logs from 3A already carry stage and tenant; grep works. \u2705 Zero effort. \u274c No alert means an IDP outage locking out every tenant is discovered by users first."
|
||||
},
|
||||
{
|
||||
"label": "C) Build it now in this PR",
|
||||
"description": "\u2705 Counters land with the branches that need them; no gap (human: ~2 h / CC: ~10 min). \u2705 Tests for the branches can assert the counter increments. \u274c Widens this PR into the metrics stack, which the plan has not described; adds a dependency to discover during implementation."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 \u2014 TODO 1: delete legacyAuthFlow() and the per-tenant flag after rollout completes.\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, TODOS.md updates (no TODOS.md exists yet; it would be created).\nELI10: Decision 2A keeps the legacy login path alive behind a flag during rollout. That is deliberate, but it leaves two login implementations in the codebase. Once every tenant is on AuthBroker and the flag has been at 100% for an agreed soak period, the legacy function, the routing switch, and the characterization tests that pin legacy behavior should all be removed in one small PR. Without a written TODO, dual paths tend to live forever.\nWhat: Remove legacyAuthFlow(), the flag router, and legacy characterization tests. Why: two auth paths is permanent cognitive and security surface. Pros: smaller codebase, one path to audit. Cons: must wait for soak; deleting the oracle means the new path is now the only truth. Context: flag rollout per D6/2A; AuthBroker per D4. Depends on: 100% flag rollout + soak period (suggest 2 weeks) with zero legacy traffic.\nRecommendation: A because the plan otherwise has no owner for the cleanup and it cannot be done in this PR by design.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: written follow-up vs. a dead code path nobody remembers to remove.": "A) Add to TODOS.md (recommended)",
|
||||
"D11 \u2014 TODO 2: metrics and alerts for stale-epoch drops and fail-closed IDP rejections.\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, TODOS.md updates.\nELI10: Decisions 1A and 5A both add a \"drop and log\" branch: a cache write with a stale epoch is discarded, and a failed or timed-out IDP call denies the login. Both are correct fail-closed behavior, and both are invisible unless someone reads logs. A counter per branch and an alert when the rate spikes tells you the difference between \"one suspension raced a mint\" and \"the IDP is down and every tenant is locked out.\" This is observability, not core behavior, so it can follow the main PR.\nWhat: emit counters for stale-epoch drops and IDP fail-closed rejections, tagged by tenant and cause; alert on rate. Why: fail-closed without visibility looks like random login failures to users and support. Pros: 3am triage becomes a dashboard glance. Cons: depends on whatever metrics stack exists, which the plan does not describe. Context: branches introduced by 1A and 5A. Depends on: main refactor PR landing; knowing the metrics library in use.\nRecommendation: A because the fail-closed branches were just approved and shipping them blind is the one gap left; adding it now (C) is also defensible if the metrics library is already wired.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nNet: know when fail-closed fires vs. learn about it from support tickets.": "A) Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T02:03:54.747Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": [
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "Scope gate: plan mode \u2014 auto-selected B (reviewing `PLAN.md` in the repo root). Running the skill preamble first.",
|
||||
"timestamp": "2026-09-10T01:57:12.328Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "I've finished the preamble check: no design doc, no prior learnings, codex reviews disabled, and only a plan exists (no code yet). Before starting the review, I need your input on three setup gates.\n\n",
|
||||
"timestamp": "2026-09-10T01:58:17.036Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "Recorded: routing rules will be appended and committed once plan mode exits (CLAUDE.md is off-limits in plan mode). Enabling cross-project learnings and re-running the search now, then Step 0.",
|
||||
"timestamp": "2026-09-10T01:58:57.623Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "I've confirmed the plan reuses the existing cache adapter but introduces unexplained new types (`AuthBroker`, `TokenStore`, `RequestPolicy`) and exceeds the file/type complexity thresholds, while research supports constructor injection over singletons and characterization tests before touching the legacy flow. No TODOS.md or new artifact type exists, so I'll proceed to evaluate the complexity gate against these findings.",
|
||||
"timestamp": "2026-09-10T01:59:57.053Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "I've logged the scope reduction from D4 and am moving into the Architecture section. First finding: two services writing to one cache with no serialization (PLAN.md:10) creates a write-after-invalidate race.\n\n",
|
||||
"timestamp": "2026-09-10T02:00:32.026Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "Architecture section closed: 2 issues, both resolved. Section 2, Code Quality. One finding: `validateAndDispatch()` (PLAN.md:23-24).",
|
||||
"timestamp": "2026-09-10T02:01:16.302Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "Code Quality closed: 1 issue, resolved. Section 3, Tests. No test framework is detectable in this repo (no package.json or test config), so the coverage diagram below names paths and I'll name test files as TypeScript pending framework detection at implementation time.\n\n**REGRESSION RULE applied, no question asked:** `legacyAuthFlow()` is existing behavior being replaced with zero existing coverage (PLAN.md:14-16, 27-28). Characterization tests pinning its current behavior are added to the plan as CRITICAL. Same rule covers the three swallow paths in `validateAndDispatch()` that 3A turns into rejections.\n\n```\nCODE PATHS USER FLOWS\n[+] auth/AuthBroker.authenticate() [+] Login via new path (flag on)\n \u251c\u2500\u2500 [GAP] cache hit \u2192 return \u251c\u2500\u2500 [GAP] [\u2192E2E] canary tenant logs in\n \u251c\u2500\u2500 [GAP] cache miss \u2192 validate \u2192 store \u251c\u2500\u2500 [GAP] [\u2192E2E] login while tenant suspended \u2192 denied\n \u251c\u2500\u2500 [GAP] stale-epoch write dropped + logged (1A) \u2514\u2500\u2500 [GAP] [\u2192E2E] login after logout/revoke \u2192 denied\n \u2514\u2500\u2500 [GAP] adapter throws \u2192 AuthError, fail closed [+] Rollout switch (2A)\n[+] auth/SessionMint.mint() \u251c\u2500\u2500 [GAP] flag off \u2192 legacyAuthFlow()\n \u251c\u2500\u2500 [GAP] happy: returns material, writes nothing (1A) \u251c\u2500\u2500 [GAP] flag on \u2192 AuthBroker\n \u251c\u2500\u2500 [GAP] IDP rejects \u2192 typed error \u2514\u2500\u2500 [GAP] flag flips mid-session \u2192 no crash\n \u2514\u2500\u2500 [GAP] IDP timeout \u2192 typed error [+] Error states\n[~] validateAndDispatch() \u2192 3 stage fns + boundary (3A) \u251c\u2500\u2500 [GAP] IDP down \u2192 clear 401/503, never silent\n \u251c\u2500\u2500 [GAP] validate error \u2192 AuthError{stage:validate} \u2514\u2500\u2500 [GAP] 1 of 5 IDP calls fails \u2192 denied, cause logged\n \u251c\u2500\u2500 [GAP] policy error \u2192 AuthError{stage:policy}\n \u251c\u2500\u2500 [GAP] dispatch error \u2192 AuthError{stage:dispatch}\n \u2514\u2500\u2500 [GAP] REGRESSION: pin current 3 swallow behaviors before change\n[~] legacyAuthFlow()\n \u2514\u2500\u2500 [GAP] REGRESSION CRITICAL: characterization (ok, bad sig, expired, wrong tenant, revoked)\n[~] cache adapter (+ epoch, 1A)\n \u251c\u2500\u2500 [\u2605\u2605\u2605 TESTED] key/evict/invalidate \u2014 existing adapter tests\n \u2514\u2500\u2500 [GAP] epoch bumps on logout / revoke / suspend hooks\n[~] validateToken() 5 IDP calls \u2192 parallel\n \u251c\u2500\u2500 [GAP] all succeed [GAP] one rejects \u2192 fail closed\n \u2514\u2500\u2500 [GAP] one hangs \u2192 per-call timeout\n\nCOVERAGE: 1/25 paths tested (4%) | Code paths: 1/17 (6%) | User flows: 0/8 (0%)\nQUALITY: \u2605\u2605\u2605:1 | GAPS: 24 (3 E2E, 2 REGRESSION)\n```",
|
||||
"timestamp": "2026-09-10T02:02:09.056Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "Section 4A and both regression suites pass. Moving to Section 4 (Performance), where I found that the plan's \"parallelize trivially\" claim for the 5 IDP calls glosses over failure semantics and doesn't question whether all five calls are actually needed per request.\n\n",
|
||||
"timestamp": "2026-09-10T02:02:43.139Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "Performance issue closed and resolved. Codex reviews are disabled so that step is skipped per the skill (logged, no fallback), leaving two TODO candidates from the review that need your decision.",
|
||||
"timestamp": "2026-09-10T02:03:18.233Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"text": "All decisions are in: 5 issues resolved, 2 TODOs accepted, 0 unresolved. Now persisting the review log, tasks artifact, and learnings, then writing the reviewed plan.",
|
||||
"timestamp": "2026-09-10T02:04:22.420Z"
|
||||
}
|
||||
],
|
||||
"planReadyRequests": [
|
||||
{
|
||||
"sessionId": "3134fb4e-addd-4e9a-b57f-168203c09d4c",
|
||||
"toolUseId": "toolu_01GGRkUmDFkcaDgbQ1wCdcDS",
|
||||
"timestamp": "2026-09-10T02:07:12.587Z",
|
||||
"failed": false,
|
||||
"source": "pre_tool_use"
|
||||
}
|
||||
]
|
||||
},
|
||||
"finishedAt": "2026-09-10T02:07:14.134Z",
|
||||
"requiredTask": "- [ ] **T1 (P1, human: ~1 day / CC: ~20 min)** \u2014 auth/legacy \u2014 Write characterization tests pinning `legacyAuthFlow()` current behavior\n - Surfaced by: Test review, REGRESSION RULE \u2014 PLAN.md:27-28 rewrites legacy with no regression test\n - Files: `test/auth/legacyAuthFlow.characterization.test.ts`\n - Verify: suite green against unchanged legacy code before any other task lands",
|
||||
"sourceTaskLines": [
|
||||
208,
|
||||
211
|
||||
],
|
||||
"sourceWriteId": "toolu_01JHdA2Chzhr7i2YJbGNcs9r"
|
||||
}
|
||||
-397
@@ -1,397 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (reviewed)
|
||||
|
||||
Reviewed by /plan-eng-review on 2026-09-10, branch `main`, commit `3522c32`.
|
||||
Source plan: `PLAN.md`. Scope was reduced in Step 0 (decision D2) and every
|
||||
finding below was accepted individually (D3 through D10). Lake Score: 7/7
|
||||
decisions chose the complete option.
|
||||
|
||||
## Context
|
||||
|
||||
The service is moving from a single `legacyAuthFlow()` to a multi-tenant
|
||||
auth path. The original sketch introduced five new types (AuthBroker,
|
||||
TokenStore, SessionMint, AuthCache, RequestPolicy) across 12 files, shared
|
||||
one mutable cache through a module-level export, rewrote the live login path
|
||||
in place with no regression test, and left token validation as five
|
||||
sequential IDP calls. This review keeps the goal (tenant-isolated brokering
|
||||
and session minting over the existing cache adapter) and cuts the shape down
|
||||
to what that goal needs, then hardens the two places where tenant isolation
|
||||
can actually break: concurrent cache writes and swallowed errors.
|
||||
|
||||
## Step 0: Scope (decision D2, accepted)
|
||||
|
||||
**Accepted scope:** three new types and about 7 files.
|
||||
|
||||
| Original | Reviewed |
|
||||
|---|---|
|
||||
| TokenStore + AuthCache, both wrapping the existing adapter | One `AuthCache` facade. TokenStore is folded in. |
|
||||
| RequestPolicy class | `requestPolicy(ctx)` pure function returning a policy value. Promote to a class only if per-tenant mutable state appears. |
|
||||
| AuthBroker, SessionMint services | Kept. |
|
||||
| 12 files | ~7: composition root, AuthCache, AuthBroker, SessionMint, requestPolicy, validate/dispatch module, flag routing in the entry point, plus tests. |
|
||||
|
||||
Plan text inconsistency fixed: the original listed "two new services" and
|
||||
"four new classes" without AuthBroker in the class list. The real count was
|
||||
five new types; it is now three.
|
||||
|
||||
Search check [Layer 1]: module-level mutable singletons are the documented
|
||||
Node anti-pattern; composition-root injection is the boring fix. Strangler
|
||||
fig with a per-tenant flag is the standard way to replace a live auth path.
|
||||
`Promise.all` is correct when every call must succeed; `allSettled` only
|
||||
when partial results are useful (they are not here).
|
||||
|
||||
TODOS.md does not exist in the repo. Distribution check: no new artifact
|
||||
type, not applicable.
|
||||
|
||||
## Existing contracts retained
|
||||
|
||||
The existing cache adapter keys entries by tenant ID, issuer, audience, and
|
||||
policy version. It evicts expired tokens and invalidates entries on logout,
|
||||
token revocation, or tenant suspension. `AuthCache` is a service-facing
|
||||
facade over that same adapter with one backing cache. The adapter, its
|
||||
invalidation hooks, and their existing tests remain in use unchanged.
|
||||
|
||||
New in this plan: `AuthCache` is the only writer (see Architecture 2). The
|
||||
adapter's validity and tenant-key rules are unchanged; the guard is layered
|
||||
on top, not inside the adapter.
|
||||
|
||||
## Architecture
|
||||
|
||||
### Component wiring (decision 1A: constructor injection)
|
||||
|
||||
```
|
||||
composition root (one per process)
|
||||
│
|
||||
├── adapter = existingCacheAdapter() (unchanged)
|
||||
├── cache = new AuthCache(adapter, tenantStatus)
|
||||
├── idp = new IdpClient({ timeoutMs })
|
||||
├── broker = new AuthBroker(cache, idp)
|
||||
└── mint = new SessionMint(cache)
|
||||
│
|
||||
▼
|
||||
entry point (route handler)
|
||||
│ flag.isEnabled(tenantId)?
|
||||
├── false ──▶ legacyAuthFlow(req) (retained until parity)
|
||||
└── true ──▶ validate(req, broker) ──▶ dispatch(result, mint)
|
||||
```
|
||||
|
||||
No module-level `AuthCache` export. Tests build a fresh `AuthCache` per case.
|
||||
|
||||
### Write path (decision 2A: AuthCache owns all writes, guarded)
|
||||
|
||||
```
|
||||
AuthBroker ──put(key, entry)──┐
|
||||
▼
|
||||
AuthCache.put()
|
||||
│ 1. tenantStatus.isActive(tenantId)? no ──▶ drop + AuthError.TenantSuspended
|
||||
│ 2. entry.policyVersion == current? no ──▶ drop + AuthError.StalePolicy
|
||||
│ 3. adapter.set(key, entry)
|
||||
▼
|
||||
SessionMint ──put(key, session)┘
|
||||
|
||||
Interleaving that must be safe:
|
||||
t0 mint starts for tenant T
|
||||
t1 suspension hook wipes T's entries
|
||||
t2 mint calls cache.put() ──▶ step 1 fails ──▶ nothing written
|
||||
```
|
||||
|
||||
The adapter's invalidation hooks still fire on logout, revocation, and
|
||||
suspension. The guard closes the window between a hook firing and a late
|
||||
write landing. Locks and queues were considered and rejected as
|
||||
over-engineering for an in-process cache.
|
||||
|
||||
### Rollout (decision 3A: strangler fig, per-tenant flag)
|
||||
|
||||
1. Ship both paths. Flag default off for every tenant.
|
||||
2. Enable for one internal tenant. Watch parity suite and error rates.
|
||||
3. Widen by tenant cohort. Flip back per tenant on any divergence.
|
||||
4. At 100% with parity green for one release, execute TODO 1 (delete
|
||||
`legacyAuthFlow()`, the flag branch, and the parity suite's legacy leg).
|
||||
|
||||
### Production failure scenarios per new codepath
|
||||
|
||||
| Codepath | Realistic failure | Plan accounts for it |
|
||||
|---|---|---|
|
||||
| Composition root | Two roots constructed (e.g. test and app) → two caches | Root is the only constructor call site; tests use the root's factory. |
|
||||
| AuthCache.put() guard | tenantStatus lookup slow or down | Guard fails closed (deny write) and raises `AuthError.TenantStatusUnavailable`; test covers it. |
|
||||
| Flag routing | Flag store unreachable | Default to legacy path; log; test covers it. |
|
||||
| validate() parallel IDP | One call hangs | AbortSignal timeout, siblings aborted (6A). |
|
||||
|
||||
## Code quality (decision 4A)
|
||||
|
||||
`validateAndDispatch()` (60 lines, three nested try/catch blocks, each
|
||||
swallowing a different error class) is split:
|
||||
|
||||
```
|
||||
validate(req, broker): Promise<Validated>
|
||||
│ throws typed errors, never swallows
|
||||
├── AuthError.IdpUnreachable (network / timeout)
|
||||
├── AuthError.BadSignature (JWKS mismatch)
|
||||
├── AuthError.UnknownTenant
|
||||
├── AuthError.TenantSuspended
|
||||
└── AuthError.Expired
|
||||
|
||||
dispatch(validated, mint): Promise<Response>
|
||||
└── mint.mint(validated) ──▶ cache.put()
|
||||
|
||||
boundary (route handler)
|
||||
try { dispatch(await validate(req, broker), mint) }
|
||||
catch (e) { log(e); return mapAuthError(e) } // one catch, one map table
|
||||
```
|
||||
|
||||
`mapAuthError` is a single table from error class to response code and
|
||||
user-facing message. Every class is a distinct, testable outcome. Callers
|
||||
that depended on silent failure must be audited when the split lands.
|
||||
|
||||
DRY: TokenStore was a second wrapper over the same adapter as AuthCache; it
|
||||
is gone (D2). Inline ASCII diagram comments go in `AuthCache` (write-path
|
||||
guard), the composition root (wiring), and the validate/dispatch module
|
||||
(error map).
|
||||
|
||||
## Tests
|
||||
|
||||
Test framework: none detected in this fixture repo (no `package.json`, zero
|
||||
test files). File names below assume TypeScript with `*.test.ts`; adjust to
|
||||
the real project's convention.
|
||||
|
||||
### Coverage diagram
|
||||
|
||||
```
|
||||
CODE PATHS USER FLOWS
|
||||
[+] composition-root.ts [+] Login (flag off)
|
||||
└── build() └── [GAP][CRITICAL][→E2E] identical to pre-refactor — legacyAuthFlow.regression.test.ts
|
||||
└── [GAP] single AuthCache instance, no module export [+] Login (flag on)
|
||||
[+] auth-cache.ts ├── [GAP][→E2E] happy path end to end
|
||||
└── put() ├── [GAP] double-submit → one session
|
||||
├── [GAP] active tenant, current policy → written ├── [GAP] token expires between validate and dispatch
|
||||
├── [GAP] suspended tenant → dropped, TenantSuspended └── [GAP] flag store unreachable → legacy path
|
||||
├── [GAP] stale policy version → dropped, StalePolicy [+] Parity (flag on vs off)
|
||||
├── [GAP] tenantStatus unavailable → fail closed └── [GAP][→E2E] table: happy + each AuthError + suspended/revoked/expired
|
||||
└── [GAP] suspend-during-mint interleaving [+] Tenant admin
|
||||
[+] validate.ts ├── [GAP][→E2E] suspend tenant → in-flight mint refused
|
||||
└── validate() └── [GAP][→E2E] revoke token → next request rejected
|
||||
├── [GAP] all 5 IDP calls succeed [+] Error states
|
||||
├── [GAP] one call rejects → siblings aborted ├── [GAP] each AuthError → specific code + message + log line
|
||||
├── [GAP] one call times out → IdpUnreachable └── [GAP] IDP slow → bounded failure, retryable message
|
||||
└── [GAP] each AuthError subclass raised
|
||||
[+] dispatch.ts / boundary
|
||||
└── mapAuthError()
|
||||
└── [GAP] every AuthError class → distinct response
|
||||
[+] request-policy.ts
|
||||
└── requestPolicy() [GAP] pure: same ctx → same policy, unknown tenant → default-deny
|
||||
[+] legacyAuthFlow (retained, existing tests) [★★ TESTED by existing adapter tests only]
|
||||
|
||||
COVERAGE: 0/22 new paths tested (0%) | Code paths: 0/13 | User flows: 0/9
|
||||
QUALITY: existing adapter tests ★★ | GAPS: 22 (7 E2E, 1 CRITICAL regression, 0 eval)
|
||||
```
|
||||
|
||||
Legend: ★★★ behavior + edge + error | ★★ happy path | ★ smoke | [→E2E] needs integration test
|
||||
|
||||
### Required tests (all written alongside the feature code)
|
||||
|
||||
**CRITICAL (regression rule, mandatory, no decision needed):**
|
||||
`legacyAuthFlow.regression.test.ts`. Pin current behavior of
|
||||
`legacyAuthFlow()` before any change: valid token → session shape and
|
||||
lifetime; expired, bad signature, unknown tenant → the exact current
|
||||
response codes and bodies; logout and revocation clear the cache. This is
|
||||
the oracle for the parity suite and the guard for the flag-off path. What
|
||||
breaks without it: the rewrite changes existing behavior for every tenant
|
||||
still on the legacy path with nothing to catch it.
|
||||
|
||||
**Decision 5A, parity suite:** `auth-parity.test.ts`. One fixture table,
|
||||
each row run through both paths (flag off, flag on), assert identical
|
||||
outcome. Rows: valid token; each `AuthError` class; tenant suspended,
|
||||
revoked, expired; policy version bumped. Exit criterion for TODO 1.
|
||||
|
||||
**Decision 1A:** `composition-root.test.ts`. Two services from one root
|
||||
share one `AuthCache`; two roots do not. Grep test: no module exports an
|
||||
`AuthCache` instance.
|
||||
|
||||
**Decision 2A:** `auth-cache.test.ts`. Five `put()` branches above,
|
||||
including the suspend-during-mint interleaving (start mint, fire suspension
|
||||
hook, complete mint, assert no entry) and tenantStatus unavailable → deny.
|
||||
|
||||
**Decision 4A:** `validate.test.ts`, `dispatch.test.ts`. One test per
|
||||
`AuthError` subclass raised by `validate()`; one per row of `mapAuthError`;
|
||||
assert a log line is emitted for each; assert nothing is swallowed (a
|
||||
non-AuthError propagates).
|
||||
|
||||
**Decision 6A:** in `validate.test.ts` with a fake IDP: all succeed;
|
||||
one rejects → others receive abort; one hangs past timeout →
|
||||
`IdpUnreachable` within the bound; latency of the happy path ≈ max, not
|
||||
sum (assert call overlap via fake timestamps).
|
||||
|
||||
**User flows [→E2E]:** `auth.e2e.test.ts`: login flag on → authenticated
|
||||
request → logout; double-submit; suspend tenant during login; revoke then
|
||||
retry; flag store unreachable → legacy path.
|
||||
|
||||
QA test plan artifact written to
|
||||
`~/.gstack/projects/gstack-plan-count-tTVLFw/vercel-sandbox-main-eng-review-test-plan-20260910-210603.md`.
|
||||
|
||||
## Performance (decision 6A)
|
||||
|
||||
Token validation's five independent IDP calls run in parallel:
|
||||
|
||||
```
|
||||
validate()
|
||||
signal = AbortSignal.timeout(timeoutMs) (one per call, plus a shared controller)
|
||||
Promise.all([discovery, jwks, introspect, userinfo, tenantLookup].map(c => c(signal)))
|
||||
│ first rejection ──▶ controller.abort() ──▶ siblings cancelled
|
||||
│ timeout ──▶ AuthError.IdpUnreachable
|
||||
▼
|
||||
latency: max(call) instead of sum(call)
|
||||
```
|
||||
|
||||
`Promise.all` is the right semantics: validation is all-or-nothing.
|
||||
Per-issuer caching of discovery and JWKS is TODO 2, deliberately out of this
|
||||
PR. If the IDP client does not accept an `AbortSignal`, wrap it rather than
|
||||
skipping the timeout.
|
||||
|
||||
## NOT in scope
|
||||
|
||||
- **TokenStore as a separate class.** Second wrapper over the same adapter; folded into AuthCache (D2). Revisit only if a non-cache backing store is actually needed.
|
||||
- **RequestPolicy as a class.** No described state; a pure function. Promote when per-tenant mutable policy state appears.
|
||||
- **Deleting `legacyAuthFlow()` and the flag.** Follow-up TODO 1, gated on parity at 100%.
|
||||
- **Per-issuer discovery/JWKS caching.** Follow-up TODO 2; independent of tenant correctness and would blur the parity comparison.
|
||||
- **Locks or a write queue for AuthCache.** Write-time guard chosen instead (2A); a queue is over-engineering for an in-process cache.
|
||||
- **Changes to the existing cache adapter or its invalidation hooks.** Retained unchanged by the plan's own contract.
|
||||
- **Distribution / packaging.** No new artifact type.
|
||||
|
||||
## What already exists
|
||||
|
||||
- **Existing cache adapter** (tenant/issuer/audience/policy-version keys, expiry eviction, invalidation on logout/revocation/suspension, with tests): reused unchanged behind `AuthCache`. The original plan rebuilt a second wrapper (TokenStore) over it; removed.
|
||||
- **`legacyAuthFlow()`**: retained as the flag-off path and as the parity oracle instead of being rewritten in place.
|
||||
- **Existing adapter tests**: still run; they do not cover the new writer or the guard, hence the new `auth-cache.test.ts`.
|
||||
- **IDP client**: reused; gains an `AbortSignal` parameter or a thin wrapper.
|
||||
|
||||
## TODOS (approved D9, D10; create TODOS.md at implementation time)
|
||||
|
||||
### TODO 1: Remove the per-tenant auth flag and delete legacyAuthFlow()
|
||||
- **What:** Delete `legacyAuthFlow()`, the flag branch in the entry point, and the parity suite's legacy leg.
|
||||
- **Why:** Two live auth paths are a maintenance and audit burden once the new path is proven.
|
||||
- **Pros:** Single code path, smaller test matrix. **Cons:** Needs a real signal before it is safe.
|
||||
- **Context:** Start at the composition root / entry-point flag routing. The parity suite from decision 5A is the gate.
|
||||
- **Depends on:** Flag at 100% for all tenants; parity suite green for one full release.
|
||||
|
||||
### TODO 2: Cache per-issuer IDP discovery and JWKS
|
||||
- **What:** Issuer-keyed cache for the discovery document and JWKS with TTL and refresh on unknown `kid`.
|
||||
- **Why:** Two of five IDP calls per login are static per issuer; cuts latency and IDP quota.
|
||||
- **Pros:** Lower p50, fewer rate-limit hits. **Cons:** A second cache with its own staleness rules; key rotation must trigger refresh.
|
||||
- **Context:** Lives in the IDP client, not AuthCache. Key on issuer URL.
|
||||
- **Depends on:** Decision 6A (parallel calls) landing first as the baseline.
|
||||
|
||||
## Failure modes
|
||||
|
||||
| New codepath | Realistic failure | Test | Handling | User sees |
|
||||
|---|---|---|---|---|
|
||||
| AuthCache.put() | Suspension hook races a mint | auth-cache interleaving | guard drops write | clear "account suspended" |
|
||||
| AuthCache.put() | tenantStatus lookup down | auth-cache unavailable case | fail closed, TenantStatusUnavailable | clear retryable error |
|
||||
| validate() | One IDP call hangs | validate timeout case | AbortSignal timeout | bounded, retryable error |
|
||||
| validate() | One IDP call rejects, siblings leak | validate abort case | controller.abort() | specific error |
|
||||
| dispatch/boundary | Unknown error class | validate non-AuthError case | propagates, logged | 500 with log line (not silent) |
|
||||
| Flag routing | Flag store unreachable | e2e flag-unreachable | default to legacy | unchanged legacy behavior |
|
||||
| Composition root | Second root built | composition-root test | test fails | n/a |
|
||||
| legacyAuthFlow (flag off) | Behavior drift from rewrite | CRITICAL regression test | n/a (no code change on this path) | identical to today |
|
||||
|
||||
Critical gaps (no test, no handling, silent): **0** after the accepted
|
||||
remedies. Before review there were two: the suspend-during-mint race and
|
||||
the swallowed error classes.
|
||||
|
||||
## Worktree parallelization strategy
|
||||
|
||||
| Step | Modules touched | Depends on |
|
||||
|---|---|---|
|
||||
| S1 Composition root + AuthCache (fold TokenStore, guarded put) | auth/cache, app bootstrap | — |
|
||||
| S2 validate()/dispatch() split, AuthError classes, parallel IDP calls | auth/validate, auth/idp-client | — |
|
||||
| S3 AuthBroker + SessionMint + requestPolicy | auth/services | S1 (cache API), S2 (AuthError types) |
|
||||
| S4 Flag routing + regression test + parity suite + e2e | entry point, test/ | S1, S2, S3 |
|
||||
|
||||
Lane A: S1 (independent). Lane B: S2 (independent). Lane C: S3 → S4
|
||||
(sequential, waits on A and B).
|
||||
|
||||
Execution order: launch A and B in parallel worktrees. Merge both. Then C.
|
||||
|
||||
Conflict flags: A and B both touch the shared `AuthError` type if it is
|
||||
placed under auth/cache; put `AuthError` in its own module in S2 and have S1
|
||||
import it, or agree the file name up front.
|
||||
|
||||
## Implementation Tasks
|
||||
Synthesized from this review's findings. Each task derives from a specific
|
||||
finding above. Run with Claude Code or Codex; checkbox as you ship.
|
||||
|
||||
- [ ] **T1 (P1, human: ~3h / CC: ~10min)** — composition root — Build one AuthCache in a composition root and constructor-inject it into AuthBroker and SessionMint; delete the module-level export
|
||||
- Surfaced by: Architecture issue 1 (D3) — PLAN.md:19-20 "global mutable AuthCache instance via module-level export"
|
||||
- Files: composition-root.ts, auth-broker.ts, session-mint.ts, composition-root.test.ts
|
||||
- Verify: composition-root.test.ts; grep confirms no exported AuthCache instance
|
||||
- [ ] **T2 (P1, human: ~4h / CC: ~15min)** — AuthCache — Route all writes through AuthCache.put() with tenant-status and policy-version guard; fail closed on status lookup failure
|
||||
- Surfaced by: Architecture issue 2 (D4) — PLAN.md:10 "they do not serialize mutations"
|
||||
- Files: auth-cache.ts, auth-cache.test.ts
|
||||
- Verify: auth-cache.test.ts including suspend-during-mint interleaving
|
||||
- [ ] **T3 (P1, human: ~1 day / CC: ~20min)** — entry point — Per-tenant feature flag routes to the new path; legacyAuthFlow() retained; flag store failure defaults to legacy
|
||||
- Surfaced by: Architecture issue 3 (D5) — PLAN.md:27-28 "rewritten as part of this work"
|
||||
- Files: entry-point route handler, flags config, auth.e2e.test.ts
|
||||
- Verify: e2e flag on/off and flag-unreachable cases
|
||||
- [ ] **T4 (P1, human: ~3h / CC: ~10min)** — legacyAuthFlow — CRITICAL regression test pinning current legacyAuthFlow() behavior before any change
|
||||
- Surfaced by: Test review, mandatory regression rule — PLAN.md:27-28 "no regression test for the prior behavior is planned"
|
||||
- Files: legacyAuthFlow.regression.test.ts
|
||||
- Verify: test passes against unmodified legacyAuthFlow() first
|
||||
- [ ] **T5 (P1, human: ~4h / CC: ~15min)** — validate/dispatch — Split validateAndDispatch() into validate() + dispatch(), typed AuthError subclasses, one boundary catch with a mapAuthError table and a log line per class; audit callers that relied on silent failure
|
||||
- Surfaced by: Code quality issue 4 (D6) — PLAN.md:23-24 "each catch swallows a different error class"
|
||||
- Files: validate.ts, dispatch.ts, auth-error.ts, validate.test.ts, dispatch.test.ts
|
||||
- Verify: one test per AuthError class; non-AuthError propagates
|
||||
- [ ] **T6 (P2, human: ~1 day / CC: ~20min)** — tests — Table-driven parity suite running each fixture row through flag-off and flag-on paths
|
||||
- Surfaced by: Test issue 5 (D7) — PLAN.md:14-16 "does not exercise legacyAuthFlow() or assert compatibility"
|
||||
- Files: auth-parity.test.ts
|
||||
- Verify: suite green for every row; becomes the exit criterion for TODO 1
|
||||
- [ ] **T7 (P2, human: ~3h / CC: ~10min)** — IDP client — Parallelize the five IDP calls with Promise.all, per-call AbortSignal timeout, abort siblings on first failure, map to AuthError.IdpUnreachable
|
||||
- Surfaced by: Performance issue 6 (D8) — PLAN.md:31-32 "5 sequential API calls to the IDP"
|
||||
- Files: validate.ts, idp-client.ts, validate.test.ts
|
||||
- Verify: fake-IDP tests for hang, single rejection, and call overlap
|
||||
- [ ] **T8 (P2, human: ~2h / CC: ~10min)** — scope — Fold TokenStore into AuthCache; implement requestPolicy() as a pure function with default-deny for unknown tenant
|
||||
- Surfaced by: Step 0 scope challenge (D2) — PLAN.md:35-36 "4 new classes (TokenStore, SessionMint, AuthCache, RequestPolicy)"
|
||||
- Files: auth-cache.ts, request-policy.ts, request-policy.test.ts
|
||||
- Verify: no TokenStore symbol remains; requestPolicy tests
|
||||
- [ ] **T9 (P3, human: ~2h / CC: ~10min)** — cleanup — TODO 1: remove flag and delete legacyAuthFlow() after parity at 100%
|
||||
- Surfaced by: TODO 1 (D9)
|
||||
- Files: entry point, legacyAuthFlow module, auth-parity.test.ts
|
||||
- Verify: parity suite green for one release before starting
|
||||
- [ ] **T10 (P3, human: ~4h / CC: ~15min)** — IDP client — TODO 2: per-issuer discovery + JWKS cache with kid-miss refresh
|
||||
- Surfaced by: TODO 2 (D10)
|
||||
- Files: idp-client.ts, idp-client.test.ts
|
||||
- Verify: second login for same issuer makes 3 network calls, not 5
|
||||
|
||||
## Completion summary
|
||||
|
||||
- Step 0: Scope Challenge — scope reduced per recommendation (5 types / 12 files → 3 types / ~7 files)
|
||||
- Architecture Review: 3 issues found (all resolved: 1A, 2A, 3A)
|
||||
- Code Quality Review: 1 issue found (resolved: 4A)
|
||||
- Test Review: diagram produced, 22 gaps identified; 1 CRITICAL regression test added under the mandatory rule; parity suite accepted (5A)
|
||||
- Performance Review: 1 issue found (resolved: 6A)
|
||||
- NOT in scope: written
|
||||
- What already exists: written
|
||||
- TODOS.md updates: 2 items proposed to user, 2 accepted (file to be created at implementation)
|
||||
- Failure modes: 0 critical gaps flagged after remedies (2 before)
|
||||
- Outside voice: skipped (codex_reviews disabled; recorded as outside_status disabled)
|
||||
- Parallelization: 3 lanes, 2 parallel / 1 sequential
|
||||
- Lake Score: 7/7 recommendations chose complete option
|
||||
|
||||
## Suppressed findings (confidence below 7, appendix only)
|
||||
|
||||
- (4/10) TokenStore may have been intended for a future non-cache backing store; the plan does not say so, so it was folded. Re-split if that requirement surfaces.
|
||||
- (4/10) RequestPolicy may need per-tenant mutable state; nothing in the plan describes it. Pure function until proven otherwise.
|
||||
- (3/10) The five IDP calls may not all be independent (e.g. introspection may need the discovery document's endpoint). If so, two-stage: discovery + JWKS first, then the remaining three in parallel. Verify against the IDP client before T7.
|
||||
- (4/10) Callers of validateAndDispatch() may depend on the silent-failure behavior; no call sites were available in this fixture to check. Audit is folded into T5.
|
||||
|
||||
## GSTACK REVIEW REPORT
|
||||
|
||||
| Review | Trigger | Why | Runs | Status | Findings |
|
||||
|--------|---------|-----|------|--------|----------|
|
||||
| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |
|
||||
| Outside Review | codex via `/plan-eng-review` (plan-review phase) | Independent 2nd opinion | 1 | disabled | outside_status: disabled (codex_reviews=disabled); no outside coverage |
|
||||
| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (PLAN) | 7 issues, 0 critical gaps, 7/7 resolved, scope reduced |
|
||||
| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |
|
||||
| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |
|
||||
|
||||
**OUTSIDE COVERAGE:** provider codex, phase plan-review, disabled by config (`codex_reviews=disabled`); no findings. Native review only. Re-enable with `gstack-config set codex_reviews enabled`.
|
||||
|
||||
**VERDICT:** ENG CLEARED — ready to implement (scope reduced, 7 findings resolved, regression test mandatory). No outside coverage.
|
||||
|
||||
NO UNRESOLVED DECISIONS
|
||||
-459
@@ -1,459 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (reviewed)
|
||||
|
||||
Reviewed by `/plan-eng-review` on 2026-09-10, branch `main`, commit `e51cff2`.
|
||||
Mode: SCOPE_REDUCED (Step 0 accepted). Source plan: `PLAN.md`.
|
||||
Caveat: the repository contains only `PLAN.md` and `CLAUDE.md`; no source
|
||||
was available to read. Every finding below is grounded in plan text
|
||||
(`PLAN.md:line`) and marked with its confidence. Module paths under `src/`
|
||||
are placeholders to be mapped onto the real tree at implementation time.
|
||||
|
||||
## Context
|
||||
|
||||
Auth is being reworked so two services, `AuthBroker` (validates tokens and
|
||||
dispatches requests) and `SessionMint` (issues sessions), serve multiple
|
||||
tenants over the existing tenant-keyed cache adapter. The original plan
|
||||
(`PLAN.md:18-36`) shared one module-level mutable `AuthCache` between both
|
||||
services, rewrote `legacyAuthFlow()` in place with no regression test,
|
||||
carried a 60-line `validateAndDispatch()` with three error-swallowing
|
||||
catches, made five sequential IDP calls per validation, and introduced four
|
||||
new classes across twelve files. This review keeps the goal (multi-tenant
|
||||
auth on the existing adapter) and hardens how it gets there: injected
|
||||
single-writer cache, staged cutover, explicit error results, parallel
|
||||
validation, and full test coverage including the legacy regression.
|
||||
|
||||
## Existing contracts retained (unchanged from source plan)
|
||||
|
||||
The existing cache adapter keys entries by tenant ID, issuer, audience, and
|
||||
policy version. It evicts expired tokens and invalidates entries on logout,
|
||||
token revocation, or tenant suspension. `AuthCache` retains these validity
|
||||
and tenant-key rules and is a service-facing facade over that same adapter,
|
||||
with one backing cache. The adapter, its invalidation hooks, and their
|
||||
existing tests remain in use unchanged (`PLAN.md:7-13`).
|
||||
|
||||
## Step 0: Scope decision (D4, accepted)
|
||||
|
||||
Complexity check triggered: 12 files, 4 new classes (`PLAN.md:35-36`).
|
||||
|
||||
Decision: **reduce**.
|
||||
- `TokenStore` is cut. The adapter plus the `AuthCache` facade already own
|
||||
storage, eviction, and invalidation; a second storage abstraction had no
|
||||
stated job. (Plan-text evidence, confidence 6/10.)
|
||||
- `RequestPolicy` starts as a module of pure functions
|
||||
(`src/auth/request-policy.ts`), promoted to a class only if it grows
|
||||
per-tenant state.
|
||||
- New units: `AuthBroker`, `SessionMint`, `AuthCache` facade, plus the
|
||||
policy function module. Target footprint about 8 files.
|
||||
|
||||
Logged as decision `0fdd2895` via `gstack-decision-log`. Scope is settled;
|
||||
later sections do not re-argue it.
|
||||
|
||||
## Architecture
|
||||
|
||||
### Component and data flow
|
||||
|
||||
```
|
||||
request (tenant, token)
|
||||
|
|
||||
v
|
||||
+----------------------------------------------+
|
||||
| composition root (one place, app startup) |
|
||||
| authCache = new AuthCache(existingAdapter) |
|
||||
| broker = new AuthBroker(authCache, idp, |
|
||||
| policyFns) |
|
||||
| mint = new SessionMint(authCache, idp) |
|
||||
+----------------------------------------------+
|
||||
| read / invalidate | write (single writer)
|
||||
v v
|
||||
+-------------+ +--------------+
|
||||
| AuthBroker | ---mint req--> | SessionMint |
|
||||
+-------------+ +--------------+
|
||||
\ /
|
||||
\ AuthCache facade /
|
||||
+---------------------------+
|
||||
| get(key) / invalidate(key)|
|
||||
| putIfVersion(key, entry, |
|
||||
| expectedPolicyVersion) |
|
||||
+---------------------------+
|
||||
|
|
||||
existing cache adapter
|
||||
(tenant, issuer, audience, policyVersion)
|
||||
eviction + invalidation hooks (unchanged)
|
||||
```
|
||||
|
||||
### Issue 1 [P1] (confidence 8/10) `PLAN.md:19-20`, `:10` — shared global mutable cache (D5, approved: A)
|
||||
|
||||
Problem: both services mutate one module-level `AuthCache` and the facade
|
||||
"does not serialize mutations". A tenant-suspension invalidation that fires
|
||||
mid-mint can be followed by the mint's write, leaving a suspended tenant
|
||||
with a live session. Module-level exports also leak state across tests and
|
||||
double up under hot reload. **[Layer 1]** constructor injection is the
|
||||
proven answer; the write-ordering problem needs an explicit rule on top.
|
||||
|
||||
Remedy (in plan):
|
||||
1. No module-level export. `AuthCache` is constructed once in the
|
||||
composition root and passed to `AuthBroker` and `SessionMint` by
|
||||
constructor.
|
||||
2. Single writer: `SessionMint` is the only component that writes session
|
||||
entries. `AuthBroker` reads and calls `invalidate`.
|
||||
3. Version-checked writes: `AuthCache.putIfVersion(key, entry,
|
||||
expectedPolicyVersion)` rejects the write when the entry's policy
|
||||
version changed or the key was invalidated since the read. Returns an
|
||||
explicit `Rejected` result; `SessionMint` surfaces it as
|
||||
`TenantSuspended`/`Stale`, never retries blindly.
|
||||
4. Unit test forces the interleaving (read → invalidate → write) and
|
||||
asserts the write is rejected.
|
||||
|
||||
```
|
||||
Write protocol (per tenant key)
|
||||
SessionMint AuthCache adapter
|
||||
| read(key) ----------> | get ----------------> |
|
||||
| <-- {entry, v=7} ---- | |
|
||||
| | <== invalidate(key) ==| (suspension hook)
|
||||
| putIfVersion(key, | |
|
||||
| entry', expect=7)->| compare v: gone/!=7 |
|
||||
| <-- Rejected -------- | |
|
||||
| => TenantSuspended, no session issued
|
||||
```
|
||||
|
||||
### Issue 2 [P1] (confidence 8/10) `PLAN.md:27-28` — big-bang rewrite of `legacyAuthFlow()` (D6, approved: A)
|
||||
|
||||
Problem: the legacy path is replaced in one shot with no rollback other than
|
||||
a redeploy. Multi-tenant auth means one wrong branch locks out a customer.
|
||||
|
||||
Remedy (in plan): strangler-fig cutover.
|
||||
1. Per-tenant flag `auth.brokerPath` (values: `legacy`, `shadow`, `broker`).
|
||||
2. `shadow`: run both paths, serve the legacy decision, log any mismatch
|
||||
(allow/deny, tenant, policy version, reason code) to a dedicated
|
||||
`auth.shadow.mismatch` event.
|
||||
3. `broker`: serve the new path. Rollback is a flag flip, no deploy.
|
||||
4. Legacy deletion is a follow-up PR (see TODOS) once mismatches are zero
|
||||
across all tenants for the agreed window.
|
||||
|
||||
```
|
||||
Cutover state machine (per tenant)
|
||||
[legacy] --enable shadow--> [shadow] --0 mismatches over window--> [broker]
|
||||
^ | |
|
||||
+------- flag flip --------+------------ flag flip ---------------+
|
||||
Exit: all tenants in [broker] for N days ==> delete legacy + flag (TODO)
|
||||
```
|
||||
|
||||
Production failure scenarios considered:
|
||||
- New path denies a valid token for one tenant: caught in `shadow` as a
|
||||
mismatch before any user is affected; in `broker`, flag flip restores
|
||||
legacy in seconds.
|
||||
- Shadow doubles IDP load: acceptable for the window; metadata cache from
|
||||
Issue 5 keeps it to about one extra call per request.
|
||||
|
||||
## Code quality
|
||||
|
||||
### Issue 3 [P1] (confidence 8/10) `PLAN.md:23-24` — `validateAndDispatch()` swallows three error classes (D7, approved: A)
|
||||
|
||||
Problem: 60 lines, three nested try/catch blocks, each swallowing a
|
||||
different error class. In auth a swallowed error is a silent deny at best
|
||||
and a silent allow at worst, with no log line to tell a bad token from an
|
||||
IDP outage.
|
||||
|
||||
Remedy (in plan):
|
||||
1. Split into four small steps: `parseToken`, `validateToken`,
|
||||
`resolveTenant`, `dispatch`, each about 10 lines and unit-tested alone.
|
||||
2. Each step returns a discriminated union:
|
||||
`Ok<T> | InvalidToken | TenantSuspended | IdpUnavailable | Unexpected`.
|
||||
No nested try/catch; a single try at the step that performs I/O maps the
|
||||
thrown error to one of these variants.
|
||||
3. One boundary at the top (`validateAndDispatch`) maps each variant to a
|
||||
response code and a structured log with tenant id and request id.
|
||||
`Unexpected` always logs at error level and denies.
|
||||
4. Callers consume the result type; no exceptions cross the boundary.
|
||||
|
||||
```
|
||||
validateAndDispatch (pipeline)
|
||||
parseToken -> validateToken -> resolveTenant -> dispatch
|
||||
| | | |
|
||||
InvalidToken IdpUnavailable TenantSuspended Ok
|
||||
\_____________|_______________|______________/
|
||||
|
|
||||
boundary: map -> response + log
|
||||
Unexpected => 500 + error log + deny
|
||||
```
|
||||
|
||||
DRY: key construction (tenant, issuer, audience, policyVersion) lives only
|
||||
in the adapter; `AuthCache` exposes typed keys so neither service rebuilds
|
||||
them.
|
||||
|
||||
## Tests
|
||||
|
||||
Test framework: none detectable in this repository (no `package.json`,
|
||||
config, or test files). Test file names below follow `*.test.ts`; adjust to
|
||||
the real project convention.
|
||||
|
||||
### Coverage diagram (planned code, after approved remedies)
|
||||
|
||||
```
|
||||
CODE PATHS USER FLOWS
|
||||
[+] src/auth/auth-cache.ts [+] Login (tenant A, tenant B side by side)
|
||||
├── get() ├── [GAP] [→E2E] A logs in, B logs in, no cross read
|
||||
│ └── [GAP] hit / miss / expired ├── [GAP] [→E2E] Double-submit login → one session
|
||||
├── invalidate() └── [GAP] [→E2E] IDP timeout → clear retry message
|
||||
│ └── [GAP] logout / revoke / suspend (hook wiring) [+] Logout
|
||||
└── putIfVersion() └── [GAP] [→E2E] A logs out, B unaffected
|
||||
├── [GAP] version matches → stored [+] Suspension / revocation
|
||||
├── [GAP] version differs → Rejected ├── [GAP] [→E2E] suspend A → next request denied
|
||||
└── [GAP] key invalidated since read → Rejected ├── [GAP] [→E2E] revoke token → next request denied
|
||||
[+] src/auth/session-mint.ts └── [GAP] [→E2E] suspend during mint → no session
|
||||
├── mint()
|
||||
│ ├── [GAP] happy path [+] Cutover
|
||||
│ ├── [GAP] Rejected → TenantSuspended ├── [GAP] flag=legacy serves legacy path
|
||||
│ └── [GAP] IDP failure → IdpUnavailable ├── [GAP] flag=shadow logs mismatch, serves legacy
|
||||
[+] src/auth/auth-broker.ts └── [GAP] flag=broker serves new path
|
||||
├── parseToken() [GAP] valid / malformed / empty
|
||||
├── validateToken() [GAP] ok / expired / bad sig [+] Error states
|
||||
│ ├── [GAP] Promise.all one-fails → fail fast ├── [GAP] IDP 500 → clear error, logged w/ tenant+req id
|
||||
│ ├── [GAP] per-call timeout → IdpUnavailable ├── [GAP] malformed JWKS → deny, logged, no crash
|
||||
│ └── [GAP] metadata cache hit / miss / TTL expiry └── [GAP] Unexpected → 500, error log, deny
|
||||
├── resolveTenant() [GAP] known / suspended / unknown
|
||||
├── dispatch() [GAP] ok / downstream error
|
||||
└── validateAndDispatch() boundary
|
||||
└── [GAP] every variant → response + log
|
||||
[+] src/auth/request-policy.ts (pure fns)
|
||||
└── [GAP] each policy fn: allow / deny / edge inputs
|
||||
[~] src/auth/legacy-auth-flow.ts (kept behind flag)
|
||||
└── [GAP] [CRITICAL REGRESSION] recorded corpus: legacy vs broker parity
|
||||
[=] existing cache adapter (★★★ TESTED — existing suite, unchanged)
|
||||
|
||||
COVERAGE: 1/34 paths tested (3%) | Code paths: 1/22 | User flows: 0/12
|
||||
QUALITY: ★★★:1 | GAPS: 33 (10 E2E, 1 CRITICAL regression, 0 eval)
|
||||
```
|
||||
|
||||
Legend: ★★★ behavior + edge + error | ★★ happy path | ★ smoke | [→E2E] integration test | [+] new | [~] modified | [=] unchanged
|
||||
|
||||
### Issue 4 [P1] (confidence 9/10) `PLAN.md:14-16` — no end-to-end coverage of the auth flows (D8, approved: A)
|
||||
|
||||
Remedy (in plan): `test/e2e/multi-tenant-auth.e2e.test.ts` with a two-tenant
|
||||
fixture and a fake IDP server.
|
||||
- Login/logout/revoke/suspend/expired for tenant A while tenant B stays
|
||||
logged in; assert B never sees A's session and no cross-tenant cache read.
|
||||
- Fake IDP injects timeout, 500, malformed JWKS; assert the user-visible
|
||||
error is explicit and the log carries tenant id and request id.
|
||||
- Interleaving test: trigger suspension between read and write inside
|
||||
`SessionMint.mint()`; assert `putIfVersion` rejects and no session exists.
|
||||
- Cutover tests: each flag value routes as specified; shadow mismatch event
|
||||
is emitted on a deliberately divergent case and absent on the happy path.
|
||||
|
||||
### CRITICAL regression test (mandatory under the regression rule, no question asked)
|
||||
|
||||
`legacyAuthFlow()` is existing behavior being replaced (`PLAN.md:27-28`) and
|
||||
the source plan explicitly omitted a regression test (`PLAN.md:14-16`).
|
||||
Add `test/auth/legacy-parity.regression.test.ts`:
|
||||
- Record a corpus of real-shaped requests (valid, expired, revoked,
|
||||
suspended tenant, wrong audience, wrong issuer, malformed) with the
|
||||
legacy decision for each.
|
||||
- Run the corpus through the new `AuthBroker` path and assert identical
|
||||
allow/deny and reason code for every entry.
|
||||
- This test is also the shadow-mode oracle; it stays after legacy deletion,
|
||||
re-pointed at the recorded decisions.
|
||||
|
||||
### Unit tests (one file per module, every branch in the diagram)
|
||||
|
||||
- `auth-cache.test.ts`: get hit/miss/expired; invalidate per hook;
|
||||
putIfVersion stored/rejected-version/rejected-invalidated.
|
||||
- `session-mint.test.ts`: happy, Rejected → TenantSuspended, IDP failure.
|
||||
- `auth-broker.test.ts`: each step's variants; boundary mapping for every
|
||||
variant including `Unexpected`; Promise.all fail-fast; per-call timeout;
|
||||
metadata cache hit/miss/TTL expiry.
|
||||
- `request-policy.test.ts`: every policy function, allow/deny/boundary
|
||||
inputs, null/empty tenant.
|
||||
|
||||
QA test plan artifact (for `/qa` and `/qa-only`):
|
||||
`~/.gstack/projects/gstack-plan-count-kpTDIg/vercel-sandbox-main-eng-review-test-plan-20260910-211647.md`
|
||||
|
||||
## Performance
|
||||
|
||||
### Issue 5 [P2] (confidence 8/10) `PLAN.md:31-32` — five sequential IDP calls per validation (D9, approved: A)
|
||||
|
||||
Remedy (in plan):
|
||||
1. `Promise.all` over the independent calls **[Layer 1, standard library]**.
|
||||
Fail-fast is correct: any failed check means the token is invalid, so
|
||||
partial results have no value (`Promise.allSettled` not appropriate).
|
||||
2. Every IDP call wrapped with `AbortSignal.timeout(ms)`; a timeout maps to
|
||||
`IdpUnavailable`, never a hung login.
|
||||
3. Per-issuer metadata cache (discovery document, JWKS) with TTL and
|
||||
key-rotation handling (on unknown `kid`, refresh once, then fail).
|
||||
Steady-state validation makes one IDP call instead of five.
|
||||
4. Tests: one-fails fail-fast, timeout path, cache hit/miss/expiry, unknown
|
||||
kid refresh.
|
||||
|
||||
```
|
||||
before: IDP1 -> IDP2 -> IDP3 -> IDP4 -> IDP5 (5 RTT)
|
||||
after: [discovery, JWKS from cache] + Promise.all([introspect, ...]) (~1 RTT)
|
||||
each call: AbortSignal.timeout -> IdpUnavailable
|
||||
```
|
||||
|
||||
## Failure modes
|
||||
|
||||
| New codepath | Realistic failure | Test | Handling | User sees |
|
||||
|---|---|---|---|---|
|
||||
| `AuthCache.putIfVersion` | suspension between read and write | interleaving unit + E2E | Rejected → TenantSuspended | explicit deny |
|
||||
| `SessionMint.mint` | IDP timeout mid-mint | unit + fake IDP E2E | IdpUnavailable | clear retry message |
|
||||
| `AuthBroker.validateToken` | one of N calls fails | unit (fail-fast) | Promise.all rejects → InvalidToken/IdpUnavailable | explicit deny |
|
||||
| `AuthBroker.validateToken` | hung IDP endpoint | unit (timeout) | AbortSignal.timeout | retry message, not a spinner |
|
||||
| metadata cache | stale JWKS after key rotation | unit (unknown kid) | refresh once, then fail | brief deny, self-heals |
|
||||
| `validateAndDispatch` boundary | unknown exception | unit (Unexpected) | 500 + error log + deny | generic error, logged |
|
||||
| shadow mode | paths disagree | cutover test | mismatch event, legacy served | nothing (by design) |
|
||||
| flag `broker` | new path wrong for a tenant | regression corpus | flag flip rollback | recovers in seconds |
|
||||
|
||||
Critical gaps in the source plan (no test, no handling, silent): swallowed
|
||||
errors in `validateAndDispatch` and write-after-invalidate on the shared
|
||||
cache. Both are closed by approved remedies (Issues 1 and 3). Open critical
|
||||
gaps after review: 0.
|
||||
|
||||
## What already exists
|
||||
|
||||
- Existing cache adapter: tenant/issuer/audience/policy-version keying,
|
||||
eviction, invalidation hooks, and tests. Reused unchanged; `AuthCache` is
|
||||
a thin facade. `TokenStore` would have rebuilt this and is cut.
|
||||
- `legacyAuthFlow()`: retained behind the per-tenant flag as the shadow
|
||||
oracle and regression baseline until deletion.
|
||||
- `validateAndDispatch()`: exists; refactored, not rewritten from scratch.
|
||||
- `Promise.all`, `AbortSignal.timeout`: platform built-ins, no dependency.
|
||||
|
||||
## NOT in scope
|
||||
|
||||
- `TokenStore` class: cut; storage is the adapter's job (D4).
|
||||
- `RequestPolicy` as a class: deferred until it holds state (D4).
|
||||
- Deleting `legacyAuthFlow()` and the cutover flag: follow-up PR after the
|
||||
shadow window (TODO below).
|
||||
- Replacing or re-keying the existing cache adapter: out of scope; its
|
||||
contracts are retained by design.
|
||||
- Adapter-level mutation serialization (locks): not needed once single
|
||||
writer + version-checked writes are in place.
|
||||
- New distribution artifacts: none introduced; no pipeline work needed.
|
||||
|
||||
## Diagrams to embed in code
|
||||
|
||||
- `src/auth/auth-cache.ts`: the write-protocol sequence (Issue 1).
|
||||
- `src/auth/auth-broker.ts`: the validateAndDispatch pipeline (Issue 3).
|
||||
- `src/auth/cutover.ts` (flag routing): the cutover state machine (Issue 2).
|
||||
- `test/e2e/multi-tenant-auth.e2e.test.ts`: two-tenant fixture layout.
|
||||
Update these diagrams in the same commit as any change to the code they
|
||||
describe.
|
||||
|
||||
## Worktree parallelization strategy
|
||||
|
||||
| Step | Modules touched | Depends on |
|
||||
|---|---|---|
|
||||
| S1 AuthCache facade + putIfVersion + tests | src/auth/auth-cache, test/auth | — |
|
||||
| S2 validateAndDispatch split + typed results + request-policy fns | src/auth/auth-broker, src/auth/request-policy, test/auth | — |
|
||||
| S3 Promise.all + timeout + metadata cache | src/auth/auth-broker (validateToken), test/auth | S2 |
|
||||
| S4 SessionMint on injected cache | src/auth/session-mint, test/auth | S1 |
|
||||
| S5 Cutover flag + shadow compare + regression corpus | src/auth/cutover, src/auth/legacy-auth-flow, test/auth | S2, S4 |
|
||||
| S6 Two-tenant E2E + fake IDP | test/e2e | S1–S5 |
|
||||
|
||||
Lanes:
|
||||
- Lane A: S1 → S4 (sequential, shared cache contract)
|
||||
- Lane B: S2 → S3 (sequential, both in auth-broker)
|
||||
- Lane C: S5 (after A and B merge)
|
||||
- Lane D: S6 (after C)
|
||||
|
||||
Execution: launch A and B in parallel worktrees; merge both; then C; then D.
|
||||
Conflict flag: A and B both add tests under `test/auth/` in different files;
|
||||
keep file names distinct to avoid merge noise.
|
||||
|
||||
## TODOS.md updates
|
||||
|
||||
TODOS.md does not exist; create it after plan mode exits with this entry
|
||||
(approved D10):
|
||||
|
||||
- **What:** Delete `legacyAuthFlow()`, the `auth.brokerPath` flag, and the
|
||||
shadow-compare harness.
|
||||
- **Why:** Two auth paths double surface area and drift risk; the flag is
|
||||
scaffolding with a planned exit.
|
||||
- **Pros:** One path to reason about; smaller codebase.
|
||||
- **Cons:** Must not happen before the mismatch window closes.
|
||||
- **Context:** Issue 2 keeps legacy behind a per-tenant flag with shadow
|
||||
logging. Exit criteria: all tenants on `broker`, zero
|
||||
`auth.shadow.mismatch` events over the agreed window. Start in the
|
||||
composition root (remove flag routing), delete legacy and shadow harness,
|
||||
keep `legacy-parity.regression.test.ts` pointed at recorded decisions.
|
||||
- **Depends on / blocked by:** this PR merged; shadow window elapsed.
|
||||
|
||||
## Post-plan-mode actions (approved, not plan-file edits)
|
||||
|
||||
- D1: append gstack skill routing rules to `CLAUDE.md` and commit
|
||||
(`chore: add gstack skill routing rules to CLAUDE.md`).
|
||||
- D10: create `TODOS.md` with the entry above.
|
||||
|
||||
## Implementation Tasks
|
||||
Synthesized from this review's findings. Each task derives from a specific
|
||||
finding above. Run with Claude Code or Codex; checkbox as you ship.
|
||||
|
||||
- [ ] **T1 (P1, human: ~1 day / CC: ~20 min)** — AuthCache — Inject cache by constructor; single writer; add `putIfVersion` with rejection on version change or invalidation; interleaving unit test
|
||||
- Surfaced by: Architecture — Issue 1, `PLAN.md:19-20`, `:10`
|
||||
- Files: src/auth/auth-cache.ts, composition root, test/auth/auth-cache.test.ts
|
||||
- Verify: interleaving test rejects write after invalidate; no module-level `export const authCache`
|
||||
- [ ] **T2 (P1, human: ~3 days / CC: ~30 min)** — Cutover — Per-tenant `auth.brokerPath` flag (legacy/shadow/broker); shadow mismatch event; legacy retained
|
||||
- Surfaced by: Architecture — Issue 2, `PLAN.md:27-28`
|
||||
- Files: src/auth/cutover.ts, src/auth/legacy-auth-flow.ts, test/auth/cutover.test.ts
|
||||
- Verify: each flag value routes correctly; mismatch event fires on divergent case only
|
||||
- [ ] **T3 (P1, human: ~1 day / CC: ~20 min)** — AuthBroker — Split `validateAndDispatch` into parse/validate/resolveTenant/dispatch returning a discriminated union; single boundary with tenant+request-id logging; `Unexpected` denies
|
||||
- Surfaced by: Code Quality — Issue 3, `PLAN.md:23-24`
|
||||
- Files: src/auth/auth-broker.ts, src/auth/request-policy.ts, test/auth/auth-broker.test.ts, test/auth/request-policy.test.ts
|
||||
- Verify: no nested try/catch; every variant has a boundary test; grep shows no empty catch
|
||||
- [ ] **T4 (P1, human: ~1 day / CC: ~15 min)** — Regression — CRITICAL: recorded-corpus parity test legacy vs broker
|
||||
- Surfaced by: Tests — regression rule, `PLAN.md:14-16`, `:27-28`
|
||||
- Files: test/auth/legacy-parity.regression.test.ts, test/fixtures/auth-corpus.json
|
||||
- Verify: 100% decision + reason-code parity across the corpus
|
||||
- [ ] **T5 (P1, human: ~2 days / CC: ~30 min)** — E2E — Two-tenant suite with fake IDP: login/logout/revoke/suspend/expired, cross-tenant isolation, IDP timeout/500/malformed JWKS, suspend-during-mint
|
||||
- Surfaced by: Tests — Issue 4, `PLAN.md:14-16`
|
||||
- Files: test/e2e/multi-tenant-auth.e2e.test.ts, test/support/fake-idp.ts
|
||||
- Verify: suite green; isolation assertions present for every flow
|
||||
- [ ] **T6 (P2, human: ~1 day / CC: ~15 min)** — AuthBroker — `Promise.all` over IDP calls, `AbortSignal.timeout` per call, per-issuer discovery/JWKS cache with TTL and unknown-kid refresh
|
||||
- Surfaced by: Performance — Issue 5, `PLAN.md:31-32`
|
||||
- Files: src/auth/auth-broker.ts, src/auth/idp-metadata-cache.ts, test/auth/auth-broker.test.ts
|
||||
- Verify: fail-fast, timeout, cache hit/miss/expiry, unknown-kid tests pass; steady-state call count is 1
|
||||
- [ ] **T7 (P2, human: ~2h / CC: ~5 min)** — Scope — Remove `TokenStore` from the design; implement `RequestPolicy` as pure functions
|
||||
- Surfaced by: Step 0 — D4, `PLAN.md:35-36`
|
||||
- Files: src/auth/request-policy.ts (no TokenStore file)
|
||||
- Verify: no `TokenStore` symbol; request-policy has no class or module state
|
||||
- [ ] **T8 (P3, follow-up)** — Cleanup — Delete legacy path, flag, and shadow harness after the mismatch window
|
||||
- Surfaced by: TODOS — D10
|
||||
- Files: src/auth/cutover.ts, src/auth/legacy-auth-flow.ts, composition root
|
||||
- Verify: parity regression test still green against recorded decisions
|
||||
|
||||
## Suppressed findings (appendix)
|
||||
|
||||
- [P3] (confidence 4/10) `PLAN.md:35` — `TokenStore` may have an undisclosed
|
||||
job (e.g. refresh-token persistence). Unverifiable without source; if so,
|
||||
reopen D4 for that one responsibility.
|
||||
- [P3] (confidence 4/10) `PLAN.md:36` — `RequestPolicy` may need per-tenant
|
||||
state from day one. Unverifiable; promotion path documented in D4.
|
||||
|
||||
## Completion summary
|
||||
|
||||
- Step 0: Scope Challenge — scope reduced per recommendation (TokenStore cut, RequestPolicy as functions)
|
||||
- Architecture Review: 2 issues found (both resolved: A)
|
||||
- Code Quality Review: 1 issue found (resolved: A)
|
||||
- Test Review: diagram produced, 33 gaps identified (1 CRITICAL regression, 10 E2E); all added to plan
|
||||
- Performance Review: 1 issue found (resolved: A)
|
||||
- NOT in scope: written
|
||||
- What already exists: written
|
||||
- TODOS.md updates: 1 item proposed to user (accepted)
|
||||
- Failure modes: 2 critical gaps flagged in source plan, 0 open after remedies
|
||||
- Outside voice: skipped (codex_reviews disabled)
|
||||
- Parallelization: 4 lanes, 2 parallel / 2 sequential
|
||||
- Lake Score: 5/5 recommendations chose complete option
|
||||
- Unresolved decisions: 0
|
||||
|
||||
## GSTACK REVIEW REPORT
|
||||
|
||||
| Review | Trigger | Why | Runs | Status | Findings |
|
||||
|--------|---------|-----|------|--------|----------|
|
||||
| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |
|
||||
| Outside Review | codex via `/plan-eng-review` (host: claude, phase: plan-review) | Independent 2nd opinion | 1 | disabled | skipped by config (`codex_reviews=disabled`) |
|
||||
| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (SCOPE_REDUCED) | 5 issues, 0 critical gaps open, 33 test gaps added to plan |
|
||||
| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |
|
||||
| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |
|
||||
|
||||
- **OUTSIDE COVERAGE:** provider codex, phase plan-review, status disabled (user opt-out via `codex_reviews=disabled`), no findings; no native fallback dispatched because disabled is terminal. Missing outside coverage is recorded, not counted as clean.
|
||||
- **VERDICT:** ENG CLEARED — ready to implement. Re-enable outside voice with `gstack-config set codex_reviews enabled` if a second model's read is wanted before build.
|
||||
|
||||
NO UNRESOLVED DECISIONS
|
||||
-385
@@ -1,385 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (reviewed)
|
||||
|
||||
Reviewed by `/plan-eng-review` on 2026-09-10 against PLAN.md at commit 0d7f121.
|
||||
Nine decisions (D1-D9) were made interactively; each is recorded inline where it
|
||||
changes the plan. Original plan text is kept where it still stands and marked
|
||||
**(revised)** where a decision changed it.
|
||||
|
||||
## Context
|
||||
|
||||
The auth path is being refactored for multi-tenancy. The original plan introduced
|
||||
two services (`AuthBroker`, `SessionMint`) sharing a mutable module-level
|
||||
`AuthCache`, added `TokenStore` and `RequestPolicy` classes, rewrote
|
||||
`legacyAuthFlow()` in place, and parallelized five IDP calls. Review found the
|
||||
shape was over-built relative to the existing cache adapter, had a fail-open race
|
||||
between two cache writers, swallowed errors in the dispatcher, had no rollout or
|
||||
rollback path, and no regression protection for the flow being rewritten.
|
||||
|
||||
The outcome after review: a thinner auth path (two new services, no new cache
|
||||
layer), a single cache writer with versioned writes so revocation always wins,
|
||||
a fail-closed dispatcher with typed errors, a per-tenant strangler-fig rollout
|
||||
with a loud fallback, full unit + integration coverage, and faster logins with
|
||||
fewer IDP calls.
|
||||
|
||||
## Existing contracts retained
|
||||
|
||||
The existing cache adapter keys entries by tenant ID, issuer, audience, and
|
||||
policy version. It evicts expired tokens and invalidates entries on logout,
|
||||
token revocation, or tenant suspension. Those validity and tenant-key rules are
|
||||
unchanged. The adapter, its invalidation hooks, and their existing tests remain
|
||||
in use.
|
||||
|
||||
**(revised, D2)** One narrow addition to the adapter: the write path accepts a
|
||||
policy-version tag and rejects a write whose tag is older than the current
|
||||
version for that tenant. Existing adapter tests stay green; new tests cover the
|
||||
rejection.
|
||||
|
||||
**(revised, D1)** `AuthCache` and `TokenStore` are not built. The adapter is the
|
||||
single cache layer and is passed to services by constructor injection.
|
||||
|
||||
## Architecture (revised, D1 + D2)
|
||||
|
||||
New types: `AuthBroker` (read path) and `SessionMint` (sole write path).
|
||||
`RequestPolicy` is a pure function over request + tenant config, not a class.
|
||||
No module-level exports of mutable state; both services receive the adapter,
|
||||
the IDP client, and the flag reader in their constructors.
|
||||
|
||||
```
|
||||
per-tenant flag (D3)
|
||||
│
|
||||
request ──> router ────────┼──────────────> legacyAuthFlow() (unflagged tenants,
|
||||
│ flag-store-down fallback D9)
|
||||
└──────────────> validateAndDispatch() (flattened, D4)
|
||||
│
|
||||
┌────────────────────────┴──────────────────────┐
|
||||
▼ ▼
|
||||
AuthBroker (READ only) SessionMint (SOLE WRITER)
|
||||
│ get(cacheKeyFor(...)) │ put(key, entry, policyVersion)
|
||||
▼ ▼
|
||||
┌──────────────────── existing cache adapter ──────────────────────┐
|
||||
│ keys: tenant|issuer|audience|policyVersion │
|
||||
│ rejects put() whose policyVersion < current (D2) │
|
||||
│ invalidates on logout / revocation / suspension (unchanged) │
|
||||
└───────────────────────────────────────────────────────────────────┘
|
||||
▲
|
||||
SessionMint ──> IDP client (static cache + parallel + timeout, D7)
|
||||
```
|
||||
|
||||
### Cache write ownership (D2)
|
||||
|
||||
Only `SessionMint` writes. `AuthBroker` reads and, on revocation or suspension
|
||||
signals, calls the adapter's existing invalidation hooks. Every write carries
|
||||
the policy version read at validation start via `readPolicyVersion()`. The
|
||||
adapter rejects a write whose version is stale and the rejection is logged at
|
||||
warn with tenant ID and key. This makes "revoke racing a mint resurrects the
|
||||
token" structurally impossible rather than unlikely.
|
||||
|
||||
```
|
||||
time ──────────────────────────────────────────────────────────────>
|
||||
SessionMint: read pv=7 ─── validate (IDP) ─────────── put(key, e, pv=7) ✗ rejected, logged
|
||||
Admin: revoke ──> invalidate(key), pv := 8
|
||||
AuthBroker: get(key) → miss → deny ✓
|
||||
```
|
||||
|
||||
### Rollout (D3 + D9)
|
||||
|
||||
`legacyAuthFlow()` stays callable. A per-tenant flag routes each tenant to the
|
||||
new flow or legacy. Rollout is tenant by tenant, starting with an internal
|
||||
tenant. Rollback is a flag flip.
|
||||
|
||||
Flag-store failure: lookup has a short timeout; on timeout or error the router
|
||||
falls back to `legacyAuthFlow()`, emits a warn-level structured log and a
|
||||
`auth.flag_fallback` metric, and an integration test stubs the flag store as
|
||||
down. Legacy removal is tracked in TODOS.md (D8) with the exit condition
|
||||
"all tenants flagged on, no flips for one full release cycle".
|
||||
|
||||
### Security architecture
|
||||
|
||||
* Tenant isolation boundary is the cache key. One builder (D5) makes the tenant
|
||||
field structurally required.
|
||||
* Every error class in the dispatcher denies (D4). Unknown errors deny.
|
||||
* Revocation always wins the race (D2).
|
||||
* Flag-store outage degrades to the known-good legacy path, never to an
|
||||
unvalidated pass (D9).
|
||||
|
||||
### Production failure scenarios per new codepath
|
||||
|
||||
| Codepath | Realistic failure | Test | Handling | User sees |
|
||||
|---|---|---|---|---|
|
||||
| `validateAndDispatch()` boundary | Unexpected exception mid-validation | yes (T4/T6) | deny + structured log (D4) | clear 401/403 |
|
||||
| `AuthBroker` read | Adapter throws / cache backend down | yes (T6) | deny, log, metric | clear 503 |
|
||||
| `SessionMint` write | Stale policy version after revoke | yes (T2/T6) | write rejected + warn log (D2) | denied on next request |
|
||||
| `SessionMint` write | Adapter write throws | yes (T6) | deny, no partial state | clear 503 |
|
||||
| IDP client | One of N calls rejects | yes (T7) | Promise.all rejects, all outcomes logged, deny | clear 503 |
|
||||
| IDP client | Call hangs | yes (T7) | per-call timeout → deny | clear 503, retry safe |
|
||||
| IDP static cache | JWKS key rotation, unknown `kid` | yes (T7) | one forced refetch, then deny | brief retry, then works |
|
||||
| Flag router | Flag store unreachable | yes (T3/T6) | legacy fallback + metric (D9) | nothing, legacy behavior |
|
||||
| `cacheKeyFor()` | Two tenants collide | yes (T5) | impossible by construction | n/a |
|
||||
|
||||
**Critical gaps (no test, no handling, silent): 0.**
|
||||
|
||||
## Code quality (revised, D4 + D5)
|
||||
|
||||
`validateAndDispatch()` was 60 lines with three nested try/catch blocks, each
|
||||
swallowing a different error class. It is rewritten as a linear pipeline of
|
||||
small steps:
|
||||
|
||||
```
|
||||
parseToken ──> resolveTenant ──> checkPolicy ──> validateWithIdp ──> mintSession ──> dispatch
|
||||
│ │ │ │ │
|
||||
TokenError TenantError PolicyError IdpError CacheError
|
||||
└───────────────┴────────────────┴─────────────────┴──────────────────┘
|
||||
│
|
||||
single boundary catch:
|
||||
map error → explicit DENY result
|
||||
structured log {tenant, step, errorClass}
|
||||
metric auth.deny{reason}
|
||||
unknown Error → DENY (fail closed)
|
||||
```
|
||||
|
||||
Typed errors: `TokenError`, `TenantError`, `PolicyError`, `IdpError`,
|
||||
`CacheError`, all extending `AuthError`. Callers that relied on a swallowed
|
||||
error to continue now receive an explicit deny and are updated in this PR.
|
||||
|
||||
DRY: `cacheKeyFor(tenantId, issuer, audience, policyVersion)` and
|
||||
`readPolicyVersion(tenantId)` live in one shared module used by `AuthBroker`
|
||||
and `SessionMint`. One test asserts every field is present and ordered and that
|
||||
two different tenants never produce the same key.
|
||||
|
||||
Inline ASCII diagram comments to add at implementation:
|
||||
* adapter write path: the versioned-write timeline above
|
||||
* `validateAndDispatch()`: the pipeline diagram above
|
||||
* router: flag decision tree including the fallback branch
|
||||
* `SessionMint`: mint pipeline and the sole-writer contract
|
||||
|
||||
## Tests (revised, D6 + REGRESSION RULE)
|
||||
|
||||
**CRITICAL regression suite (mandatory, IRON RULE).** `legacyAuthFlow()` is
|
||||
existing behavior being rewritten and the original plan had no regression
|
||||
coverage. Before any rewrite, write a characterization suite that pins current
|
||||
behavior: valid token → allow, expired → deny, wrong issuer/audience → deny,
|
||||
suspended tenant → deny, logout invalidates. The suite runs against both the
|
||||
legacy path and the new flow (via the flag) for the whole rollout window.
|
||||
|
||||
Coverage target: every branch in the diagram below, unit and integration.
|
||||
|
||||
```
|
||||
CODE PATHS USER FLOWS
|
||||
[~] legacyAuthFlow() (flag-routed, kept) [+] Login / token validation
|
||||
├── [CRITICAL] regression: valid token → allow ├── [→E2E] Login on flagged tenant → new flow
|
||||
├── [CRITICAL] regression: expired → deny ├── [→E2E] Login on unflagged tenant → legacy
|
||||
├── [CRITICAL] regression: wrong audience/issuer → deny ├── [→E2E] Flag flipped mid-session → no lockout
|
||||
└── [CRITICAL] regression: suspended tenant → deny └── [→E2E] Flag store down → legacy + metric (D9)
|
||||
[+] validateAndDispatch() (flattened, D4) [+] Revocation / logout
|
||||
├── happy path → dispatch ├── [→E2E] Revoke → next request denied
|
||||
├── TokenError → deny + log ├── [→E2E] Revoke racing mint → stale write rejected (D2)
|
||||
├── TenantError → deny + log └── Tenant suspended → all tokens denied
|
||||
├── PolicyError → deny + log
|
||||
├── IdpError → deny + log [+] Tenant isolation
|
||||
├── CacheError → deny + log ├── [→E2E] Tenant A token never validates for B
|
||||
└── unknown Error → deny + log (fail closed) └── Same issuer/audience, different tenant → miss
|
||||
[+] AuthBroker (read path)
|
||||
├── cache hit → allow [+] Error states
|
||||
├── cache miss → IDP validate ├── IDP timeout → clear 503, not 401
|
||||
└── adapter throws → deny ├── IDP 5xx → clear 503, retry safe
|
||||
[+] SessionMint (sole writer, D2) └── Partial IDP failure → deny, all outcomes logged
|
||||
├── mint → write with policy version
|
||||
├── stale version → write rejected + logged
|
||||
└── adapter write throws → deny, no partial state
|
||||
[+] cacheKeyFor() / readPolicyVersion() (D5)
|
||||
├── all four fields required and ordered
|
||||
└── two tenants never collide
|
||||
[+] IDP client (D7)
|
||||
├── static responses served from cache within TTL
|
||||
├── unknown kid → one forced JWKS refetch
|
||||
├── all parallel calls succeed
|
||||
├── one rejects → aggregate error, no hang
|
||||
└── per-call timeout fires
|
||||
|
||||
TARGET: 34/34 paths tested (100%) | Code paths: 22/22 | User flows: 12/12
|
||||
GAPS BEFORE REVIEW: 27 (7 E2E, 4 CRITICAL regression) | GAPS AFTER PLAN: 0
|
||||
```
|
||||
|
||||
Test harness: a fake adapter with an injectable write delay (for the D2 race
|
||||
test) and an IDP stub that can fail, hang, or rotate keys per call. Integration
|
||||
flows run against those fakes; no live IDP in CI.
|
||||
|
||||
## Performance (revised, D7)
|
||||
|
||||
Token validation issued 5 sequential IDP calls. Revised:
|
||||
|
||||
1. Static IDP responses (OIDC discovery document, JWKS) are cached with a TTL in
|
||||
the existing adapter; unknown `kid` triggers one forced refetch.
|
||||
Assumption: two of the five calls are these static fetches. If none are,
|
||||
step 2 still applies.
|
||||
2. Remaining calls run with `Promise.all`, each wrapped in a per-call timeout.
|
||||
Any rejection denies the request; all outcomes are logged so a partial
|
||||
failure is diagnosable.
|
||||
3. Expected result: login latency drops from 5 round trips to 1, IDP request
|
||||
volume drops by up to 40 percent, and a hung IDP call cannot hang a login.
|
||||
|
||||
## Scope (revised, D1)
|
||||
|
||||
Complexity check triggered on the original plan (12 files, 4 new classes plus
|
||||
`AuthBroker`). Reduced to: 2 new service types, 1 shared helper module, 1 typed
|
||||
error module, 1 narrow adapter change, 1 router change, the rewritten
|
||||
dispatcher, and tests. Roughly 8 source files plus tests.
|
||||
|
||||
## What already exists
|
||||
|
||||
| Sub-problem | Existing code | Plan now |
|
||||
|---|---|---|
|
||||
| Tenant-scoped cache keying, expiry, invalidation | cache adapter + hooks + tests | reused unchanged, one write-path addition (D2) |
|
||||
| Current auth behavior | `legacyAuthFlow()` | kept as flag fallback and regression oracle (D3) |
|
||||
| Service-facing cache facade | none needed; adapter API suffices | `AuthCache` dropped (D1) |
|
||||
| Token storage | adapter already stores tokens | `TokenStore` dropped (D1) |
|
||||
| Request policy evaluation | none; was a proposed class | pure function (D1) |
|
||||
|
||||
## NOT in scope
|
||||
|
||||
* **Deleting `legacyAuthFlow()` and the per-tenant flag** — tracked in
|
||||
TODOS.md (D8); happens after 100 percent rollout plus one release of bake.
|
||||
* **Adding an `AuthCache` facade** — only if a future consumer needs a narrower
|
||||
API than the adapter; not justified today (D1).
|
||||
* **Rewriting the cache adapter itself** — one write-path addition only (D2);
|
||||
its keying and invalidation rules are unchanged.
|
||||
* **IDP-side rate-limit negotiation or client-credential changes** — the
|
||||
static cache (D7) reduces load; anything beyond that is separate work.
|
||||
* **Multi-region cache consistency** — out of scope for this refactor; the
|
||||
versioned write (D2) is single-backing-cache correct as the plan states.
|
||||
* **New artifact distribution** — no new binary, package, or image; N/A.
|
||||
|
||||
## TODOS.md updates (apply at implementation start; plan mode forbade the edit)
|
||||
|
||||
```markdown
|
||||
# TODOS
|
||||
|
||||
## Auth
|
||||
|
||||
### Remove legacyAuthFlow() and the per-tenant new-flow flag
|
||||
|
||||
**What:** Delete legacyAuthFlow(), the per-tenant new-flow flag, the flag-store
|
||||
fallback path, and the legacy branch of the regression suite.
|
||||
|
||||
**Why:** Two auth code paths double the test and review cost of every future
|
||||
auth change and keep a fallback alive that no longer has anything to fall back
|
||||
from.
|
||||
|
||||
**Context:** /plan-eng-review D3 (2026-09-10) chose a strangler-fig rollout:
|
||||
legacyAuthFlow() stays callable behind a per-tenant flag while the new
|
||||
AuthBroker + SessionMint flow rolls out tenant by tenant. D9 added a
|
||||
flag-store-down fallback to legacy. The regression suite pins legacy behavior
|
||||
and runs against both paths during rollout. Start in the router and the
|
||||
regression suite; the flag reader and fallback metric go with them.
|
||||
|
||||
**Effort:** S
|
||||
**Priority:** P2
|
||||
**Depends on:** All tenants flagged on to the new flow with no flag flips for
|
||||
one full release cycle.
|
||||
```
|
||||
|
||||
## Worktree parallelization strategy
|
||||
|
||||
| Step | Modules touched | Depends on |
|
||||
|---|---|---|
|
||||
| S1 Regression suite for `legacyAuthFlow()` | tests/auth/legacy | — |
|
||||
| S2 Shared helpers + typed errors | auth/shared | — |
|
||||
| S3 Adapter versioned-write rejection | cache adapter module | S2 (policy version helper) |
|
||||
| S4 IDP client: static cache, parallel, timeout | auth/idp | — |
|
||||
| S5 `AuthBroker` + `SessionMint` | auth/services | S2, S3, S4 |
|
||||
| S6 Flattened dispatcher + flag router + fallback | auth/dispatch | S2, S5 |
|
||||
| S7 Integration flows | tests/auth/integration | S5, S6 |
|
||||
|
||||
Lanes:
|
||||
* Lane A: S1 (independent)
|
||||
* Lane B: S2 → S3 → S5 → S6 (sequential, shared auth/ services and adapter)
|
||||
* Lane C: S4 (independent)
|
||||
* Lane D: S7 (after B and C merge)
|
||||
|
||||
Execution order: launch A, B, C in parallel worktrees. Merge A first (it is
|
||||
pure tests and gates the rewrite). Merge C, then B. Then D.
|
||||
|
||||
Conflict flags: Lanes B and C both live under auth/; keep S4 confined to
|
||||
auth/idp and its own test file to avoid merge conflicts with auth/services.
|
||||
|
||||
## Implementation Tasks
|
||||
Synthesized from this review's findings. Each task derives from a specific
|
||||
finding above. Run with Claude Code or Codex; checkbox as you ship.
|
||||
|
||||
- [ ] **T1 (P1, human: ~1 day / CC: ~15min)** — tests/auth/legacy — Write the CRITICAL characterization suite for `legacyAuthFlow()` before any rewrite; run it against legacy and new flow
|
||||
- Surfaced by: Test review — REGRESSION RULE, PLAN.md:27-28 and :14-16
|
||||
- Files: tests/auth/legacy/*, router flag stub
|
||||
- Verify: suite green on legacy path before S5/S6 land; green on both paths after
|
||||
- [ ] **T2 (P1, human: ~1.5 days / CC: ~25min)** — cache adapter + auth/services — Single writer: only `SessionMint` writes; writes carry policy version; adapter rejects stale writes with warn log
|
||||
- Surfaced by: Architecture — D2, PLAN.md:10, 19-20
|
||||
- Files: cache adapter write path, auth/services/SessionMint, auth/services/AuthBroker
|
||||
- Verify: unit test for stale-write rejection; integration test "revoke racing mint → denied"
|
||||
- [ ] **T3 (P1, human: ~1.25 days / CC: ~23min)** — auth/dispatch — Per-tenant flag router with legacy fallback on flag-store failure, timeout, warn log, `auth.flag_fallback` metric
|
||||
- Surfaced by: Architecture — D3 + D9, PLAN.md:27-28
|
||||
- Files: auth/dispatch/router, flag reader interface
|
||||
- Verify: integration tests for flagged, unflagged, mid-session flip, flag store down
|
||||
- [ ] **T4 (P1, human: ~1 day / CC: ~20min)** — auth/dispatch — Flatten `validateAndDispatch()` into a linear pipeline with typed errors and one fail-closed boundary
|
||||
- Surfaced by: Code quality — D4, PLAN.md:23-24
|
||||
- Files: auth/dispatch/validateAndDispatch, auth/shared/errors
|
||||
- Verify: one unit test per error class plus unknown-error → deny; no catch without a deny
|
||||
- [ ] **T5 (P2, human: ~2h / CC: ~5min)** — auth/shared — `cacheKeyFor()` and `readPolicyVersion()` helpers used by both services, with ordering and no-collision tests
|
||||
- Surfaced by: Code quality — D5, PLAN.md:7-8
|
||||
- Files: auth/shared/cacheKey, tests
|
||||
- Verify: unit tests; grep shows no other key construction in auth/
|
||||
- [ ] **T6 (P1, human: ~2 days / CC: ~30min)** — tests/auth/integration — Integration flows: revocation race, tenant isolation, flag routing, IDP partial failure, flag store down, adapter failures
|
||||
- Surfaced by: Test review — D6 coverage diagram, 7 [→E2E] flows
|
||||
- Files: tests/auth/integration/*, fake adapter with write delay, IDP stub
|
||||
- Verify: all 12 user flows in the diagram green
|
||||
- [ ] **T7 (P2, human: ~1 day / CC: ~20min)** — auth/idp — TTL-cache static IDP responses, `Promise.all` with per-call timeout for the rest, forced JWKS refetch on unknown kid
|
||||
- Surfaced by: Performance — D7, PLAN.md:31-32
|
||||
- Files: auth/idp/client, tests
|
||||
- Verify: unit tests for cache hit, rotation refetch, one-rejects, timeout; latency measurement 5 RTT → 1 RTT
|
||||
- [ ] **T8 (P2, human: ~0.5 day / CC: ~10min)** — auth/services — Drop `AuthCache` and `TokenStore`; `RequestPolicy` as pure function; constructor injection for adapter, IDP client, flag reader
|
||||
- Surfaced by: Step 0 — D1, PLAN.md:19-20, 35-36
|
||||
- Files: auth/services/*, auth/shared/requestPolicy
|
||||
- Verify: no module-level mutable exports in auth/ (grep); services unit-testable with fakes
|
||||
- [ ] **T9 (P3, human: ~5min / CC: ~1min)** — TODOS.md — Add the legacy-removal TODO with its exit condition
|
||||
- Surfaced by: TODOS.md updates — D8
|
||||
- Files: TODOS.md
|
||||
- Verify: entry present in the format above
|
||||
|
||||
## Completion summary
|
||||
|
||||
- Step 0: Scope Challenge — scope reduced per recommendation (D1: 4-5 new classes → 2 services + helpers)
|
||||
- Architecture Review: 2 issues found (D2 cache write race, D3 rollout); 1 follow-on failure mode (D9)
|
||||
- Code Quality Review: 2 issues found (D4 swallowed errors, D5 key builder DRY)
|
||||
- Test Review: diagram produced, 27 gaps identified (4 CRITICAL regression, 7 E2E); all added to plan (D6)
|
||||
- Performance Review: 1 issue found (D7)
|
||||
- NOT in scope: written
|
||||
- What already exists: written
|
||||
- TODOS.md updates: 1 item proposed to user (D8, accepted)
|
||||
- Failure modes: 0 critical gaps flagged
|
||||
- Outside voice: skipped (codex_reviews disabled)
|
||||
- Parallelization: 4 lanes, 3 parallel / 1 sequential follow-on
|
||||
- Lake Score: 7/7 coverage-scored recommendations chose the complete option (D1, D8 were kind-only)
|
||||
|
||||
Setup prompts deferred this run (not approvals): CLAUDE.md routing rules (plan
|
||||
mode forbids the edit and commit), /office-hours design-doc offer (explicit
|
||||
review request), cross-project learnings toggle (learnings store empty).
|
||||
|
||||
## GSTACK REVIEW REPORT
|
||||
|
||||
| Review | Trigger | Why | Runs | Status | Findings |
|
||||
|--------|---------|-----|------|--------|----------|
|
||||
| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |
|
||||
| Outside Review | codex via `/plan-eng-review` | Independent 2nd opinion | 1 | disabled | skipped (codex_reviews=disabled) |
|
||||
| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (PLAN) | 32 issues, 0 critical gaps |
|
||||
| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |
|
||||
| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |
|
||||
|
||||
### Suppressed findings (confidence below 7, appendix only)
|
||||
|
||||
- (confidence: 5/10) PLAN.md:19 vs :35 — `AuthBroker` is a new service but is missing from the "4 new classes" list; the real count was 5. Informational; resolved by D1.
|
||||
- (confidence: 5/10) PLAN.md:31-32 — the five IDP calls are not named; the D7 static-cache step assumes two are OIDC discovery and JWKS. Verify at implementation.
|
||||
- (confidence: 4/10) PLAN.md:35 — `RequestPolicy` contents are undefined; treated as a pure function (D1). Revisit if it needs state.
|
||||
|
||||
**OUTSIDE COVERAGE:** provider codex, phase plan-review, status disabled by config (`codex_reviews=disabled`), no findings; no native fallback was dispatched because disabled is an intentional opt-out, not a provider failure.
|
||||
|
||||
**VERDICT:** ENG CLEARED — ready to implement (1 clean plan-eng-review run within 7 days, 0 unresolved, 0 critical gaps). Outside review disabled by config; CEO, Design, DX reviews not run and not required.
|
||||
|
||||
NO UNRESOLVED DECISIONS
|
||||
-461
@@ -1,461 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (reviewed by /plan-eng-review, 2026-09-10)
|
||||
|
||||
Source plan: `PLAN.md` at commit e20d167 on `main`. Review mode: SCOPE_REDUCED.
|
||||
Every decision below was approved individually (D1 to D11). Nothing here was
|
||||
auto-decided.
|
||||
|
||||
## Context
|
||||
|
||||
The auth layer is being refactored for multi-tenant operation. The original
|
||||
plan added five new components (AuthBroker, SessionMint, AuthCache, TokenStore,
|
||||
RequestPolicy) over the existing tenant-keyed cache adapter, rewrote
|
||||
`legacyAuthFlow()` in place, and parallelized five IDP calls. The review found
|
||||
the plan correct in intent but under-specified where auth plans hurt most:
|
||||
write ownership of shared cache state, cutover safety, error visibility, and
|
||||
proof via tests. The reviewed plan keeps the goal (two new services over the
|
||||
existing adapter) and hardens the path to it.
|
||||
|
||||
Repo note: this checkout contains only `PLAN.md` and `CLAUDE.md`. No source,
|
||||
test framework, or `TODOS.md` exists here, so findings cite plan lines
|
||||
(`PLAN.md:N`) rather than code lines, and file paths below are module-level
|
||||
targets to be mapped onto the real tree at implementation time.
|
||||
|
||||
## Decisions made in this review
|
||||
|
||||
| ID | Question | Decision |
|
||||
|----|----------|----------|
|
||||
| D1 | Add gstack routing rules to CLAUDE.md | Yes. Deferred until plan mode exits (see Deferred actions). |
|
||||
| D2 | Run /office-hours first | No. Standard review. |
|
||||
| D3 | Step 0 complexity check (12 files, 5 new components) | Reduce to 2 new services: AuthBroker + SessionMint. Existing adapter injected by constructor. AuthCache facade, TokenStore, RequestPolicy cut. |
|
||||
| D5 | Arch 1: two writers on the shared cache | 1A. Single writer (AuthBroker) plus per-tenant generation check on write. |
|
||||
| D6 | Arch 2: in-place rewrite of legacyAuthFlow | 2A. Per-tenant feature flag, shadow compare, staged 1% to 100% rollout, legacy kept through bake period. |
|
||||
| D7 | Code quality 3: validateAndDispatch swallows errors | 3A. Split into validate() and dispatch(); typed errors; one boundary; nothing swallowed. |
|
||||
| D8 | Tests 4: success/error paths only | 4A. Full edge, race, and isolation set. Regression test for legacyAuthFlow mandated by the regression rule (no question asked). |
|
||||
| D9 | Perf 5: five sequential IDP calls | 5A. Promise.all with per-call AbortController timeout; cache discovery document and signing keys via the existing adapter. |
|
||||
| D10 | TODO: post-bake cleanup | Add to TODOS.md (written after plan mode exits). |
|
||||
| D11 | TODO: TokenStore/RequestPolicy re-evaluation trigger | Add to TODOS.md (written after plan mode exits). |
|
||||
|
||||
Lake Score: 5/5 scored recommendations chose the complete option.
|
||||
|
||||
## Step 0: Scope challenge (resolved)
|
||||
|
||||
**What existing code already solves sub-problems.** The existing cache adapter
|
||||
already keys by tenant ID, issuer, audience, and policy version, evicts expired
|
||||
tokens, and invalidates on logout, revocation, and tenant suspension
|
||||
(`PLAN.md:7-10`). Its tests remain in use (`PLAN.md:12-13`). Every new
|
||||
component reuses it; nothing rebuilds it.
|
||||
|
||||
**Minimum change that achieves the goal.** Two services that take the adapter
|
||||
as a dependency. The AuthCache facade forwarded calls to the adapter with the
|
||||
same rules (`PLAN.md:10-12`), so it added a layer without behavior. TokenStore
|
||||
and RequestPolicy had no stated responsibility anywhere in the plan
|
||||
(`PLAN.md:35`). The plan also counted 4 new classes while describing 5
|
||||
(`PLAN.md:19` names AuthBroker separately).
|
||||
|
||||
**Complexity check.** Triggered (12 files, 5 new components). Resolved by D3:
|
||||
scope reduced to 2 new services. Expected file count drops to roughly 7 to 8
|
||||
(broker, session-mint, idp-client changes, adapter extension, flag router,
|
||||
tests, docs).
|
||||
|
||||
**Search check** [Layer 1 throughout]. Web research (Aside unavailable, WebSearch
|
||||
fallback) confirmed: dependency injection at a composition root over module-level
|
||||
singletons is standard and the singleton's known cost is test interference and
|
||||
un-mockable state; Promise.all fail-fast is the right primitive for login steps
|
||||
that must all succeed, paired with AbortController timeouts; strangler fig with
|
||||
per-tenant flags and shadow mode is the standard cutover for legacy auth.
|
||||
No custom solution is proposed where a built-in exists. No eureka.
|
||||
|
||||
**TODOS cross-reference.** No `TODOS.md` in repo. Two TODOs created (D10, D11).
|
||||
|
||||
**Completeness check.** The original plan was a shortcut on tests
|
||||
(`PLAN.md:14-16`) and cutover (`PLAN.md:27-28`). Both upgraded to complete.
|
||||
|
||||
**Distribution check.** No new artifact type. Not applicable.
|
||||
|
||||
## Architecture (reviewed)
|
||||
|
||||
### Components
|
||||
|
||||
- **AuthBroker** (new). Owns token validation and is the ONLY writer of
|
||||
validated entries to the cache adapter. Exposes `validate()` and
|
||||
`dispatch()` (formerly `validateAndDispatch()`).
|
||||
- **SessionMint** (new). Mints sessions from validated tokens. Reads the
|
||||
adapter; triggers the adapter's existing invalidation hooks on logout. Never
|
||||
writes token entries.
|
||||
- **Existing cache adapter** (extended, existing tests untouched). Gains a
|
||||
per-tenant generation counter: every invalidation for a tenant (logout,
|
||||
revocation, suspension) bumps it; a write carrying a stale generation is
|
||||
rejected. Also stores IDP discovery documents and signing keys under the
|
||||
existing tenant/issuer key with their own TTL.
|
||||
- **Flag router** (new, small). Routes each tenant to `legacy`, `new`, or
|
||||
`shadow` mode; owns mismatch logging.
|
||||
- **legacyAuthFlow()** (retained until bake completes). Frozen behavior,
|
||||
captured by the regression test.
|
||||
|
||||
Both services receive the adapter, the IDP client, and the flag router by
|
||||
constructor injection at the composition root. No module-level mutable export.
|
||||
|
||||
### Request flow
|
||||
|
||||
```
|
||||
request ──▶ FlagRouter.mode(tenant)
|
||||
│
|
||||
┌────────┼─────────────┐
|
||||
▼ ▼ ▼
|
||||
legacy shadow new
|
||||
│ │ │
|
||||
│ ┌────┴────┐ │
|
||||
│ ▼ ▼ │
|
||||
│ legacy new │
|
||||
│ │ │ │
|
||||
│ └──compare──▶ log mismatch (tenant, field, both values)
|
||||
│ │ (legacy result is served)
|
||||
▼ ▼ ▼
|
||||
legacyAuthFlow() AuthBroker.validate()
|
||||
│
|
||||
gen0 = adapter.generation(tenant)
|
||||
hit? ──yes──▶ cached claims
|
||||
│no
|
||||
▼
|
||||
Promise.all([ discovery*, keys*, introspect, userinfo, policy ])
|
||||
(* served from adapter cache when fresh; each call has AbortController timeout)
|
||||
│
|
||||
┌────────┴────────┐
|
||||
▼ ▼
|
||||
all ok any reject / timeout
|
||||
│ │
|
||||
adapter.write(key, claims, gen0) throw IdpError{call, cause}
|
||||
│
|
||||
┌──────┴──────┐
|
||||
▼ ▼
|
||||
gen0 == current gen0 stale (invalidated mid-flight)
|
||||
stored write rejected → throw ValidationError{reason: "invalidated"}
|
||||
│
|
||||
▼
|
||||
AuthBroker.dispatch() ── single error boundary ──▶ typed result to caller
|
||||
│
|
||||
▼
|
||||
SessionMint.mint(claims) (read-only on adapter)
|
||||
```
|
||||
|
||||
### Write ownership and the generation check
|
||||
|
||||
```
|
||||
tenant T adapter[T].generation = g
|
||||
─────────────────────────────────────────────────────────────────
|
||||
AuthBroker.validate read g ──────────────▶ IDP calls (30-300 ms)
|
||||
admin suspends T bump: generation = g+1, evict T entries
|
||||
AuthBroker.validate write(claims, g) ───▶ REJECTED (g != g+1)
|
||||
caller gets ValidationError
|
||||
─────────────────────────────────────────────────────────────────
|
||||
Without the check, the write at the last line lands and T stays
|
||||
authenticated until token expiry. That is the race PLAN.md:10
|
||||
("they do not serialize mutations") left open.
|
||||
```
|
||||
|
||||
The generation counter lives with the adapter, so it holds across processes
|
||||
when the adapter is backed by a shared store. A process-local mutex (option 1B)
|
||||
would not.
|
||||
|
||||
### Rollout state machine (per tenant)
|
||||
|
||||
```
|
||||
┌────────┐ enable shadow ┌────────┐ 0 mismatches ┌─────────────┐
|
||||
│ legacy │ ───────────────▶ │ shadow │ ──over window──▶ │ new (1%..) │
|
||||
└────────┘ └────────┘ └─────────────┘
|
||||
▲ │ │
|
||||
│ any mismatch │ step % ▼
|
||||
└──────────────────────────┘ 1 → 10 → 50 → 100 ──▶ bake
|
||||
▲ │
|
||||
└──────── flag flip (instant rollback, no deploy) ───────┘
|
||||
│
|
||||
bake window clean
|
||||
▼
|
||||
TODO 1: delete legacy + flag
|
||||
```
|
||||
|
||||
### Security architecture
|
||||
|
||||
Tenant isolation rests on the adapter's existing key (tenant ID, issuer,
|
||||
audience, policy version). The facade removal means no new code path can bypass
|
||||
that key. The generation check closes the revoke/suspend window. The typed error
|
||||
boundary guarantees a rejected validation is never mistaken for success. Tenant
|
||||
isolation is verified end to end (test list below).
|
||||
|
||||
## Code quality (reviewed)
|
||||
|
||||
`validateAndDispatch()` (`PLAN.md:23-24`) becomes:
|
||||
|
||||
- `validate(token, tenant): Promise<Claims>` throws `ValidationError`,
|
||||
`IdpError`, or `PolicyError`. No try/catch inside except to wrap the raw
|
||||
IDP client failure into `IdpError{call, cause}`.
|
||||
- `dispatch(result)` is the single error boundary. It maps each typed error to
|
||||
an explicit outcome (HTTP status and user-facing message) and logs with
|
||||
tenant, call, and reason. Unknown errors propagate; they are never swallowed.
|
||||
|
||||
DRY: the five IDP calls share one `timedCall(name, fn, timeoutMs)` helper that
|
||||
attaches the AbortController and wraps failures into `IdpError`. Discovery and
|
||||
key lookups share one `cachedOrFetch(key, ttl, fn)` helper over the adapter.
|
||||
|
||||
## Tests (reviewed)
|
||||
|
||||
Test framework: none detectable in this checkout (no `package.json`, no test
|
||||
files). Diagram produced; test file names below follow the module names and
|
||||
must be adjusted to the real tree's conventions.
|
||||
|
||||
### Coverage diagram (state after this plan lands)
|
||||
|
||||
```
|
||||
CODE PATHS USER FLOWS
|
||||
[+] auth/broker AuthBroker.validate() [+] Sign-in
|
||||
├── [GAP] cache hit, no IDP calls ├── [GAP] [→E2E] new path, per tenant
|
||||
├── [GAP] 5/5 IDP calls succeed, write accepted ├── [GAP] [→E2E] legacy path unchanged
|
||||
├── [GAP] 4/5 succeed, 1 rejects → IdpError names the call ├── [GAP] [→E2E] shadow: legacy served, mismatch logged
|
||||
├── [GAP] 1 call exceeds timeout → IdpError{timeout} └── [GAP] double submit → one session
|
||||
└── [GAP] stale generation → write rejected, ValidationError
|
||||
[+] auth/broker AuthBroker.dispatch() boundary [+] Revocation and suspension
|
||||
├── [GAP] ValidationError → 401 + logged ├── [GAP] [→E2E] suspend mid-validation → rejected
|
||||
├── [GAP] IdpError → 503 + logged ├── [GAP] [→E2E] revoke then retry → rejected
|
||||
├── [GAP] PolicyError → 403 + logged └── [GAP] logout then reuse cookie → rejected
|
||||
└── [GAP] unknown error propagates (not swallowed)
|
||||
[+] auth/session-mint SessionMint.mint() [+] Isolation
|
||||
├── [GAP] claims present → session └── [GAP] [→E2E] tenant A token on tenant B route → rejected
|
||||
├── [GAP] claims missing → ValidationError
|
||||
└── [GAP] never writes token entries (spy asserts 0 writes) [+] Error states the user sees
|
||||
[+] auth/cache-adapter (extended) ├── [GAP] IDP slow → clear auth error, no hang
|
||||
├── [★★★ TESTED] eviction + invalidation (existing tests) └── [GAP] session expired → redirect to login
|
||||
├── [GAP] generation bumps on logout/revoke/suspend
|
||||
├── [GAP] write with stale generation rejected
|
||||
└── [GAP] discovery/keys TTL expiry and issuer-change invalidation
|
||||
[+] auth/legacy-flow legacyAuthFlow()
|
||||
└── [GAP] CRITICAL REGRESSION: current inputs → claims/errors captured
|
||||
[+] config/flags FlagRouter
|
||||
├── [GAP] legacy / new / shadow routing per tenant
|
||||
├── [GAP] shadow mismatch logged with both values
|
||||
└── [GAP] flag flip mid-traffic takes effect without restart
|
||||
|
||||
COVERAGE: 1/30 paths tested (3%) | Code paths: 1/20 (5%) | User flows: 0/10 (0%)
|
||||
QUALITY: ★★★:1 ★★:0 ★:0 | GAPS: 29 (7 E2E, 0 eval) | REGRESSION: 1 (CRITICAL)
|
||||
```
|
||||
|
||||
Legend: ★★★ behavior + edge + error | ★★ happy path | ★ smoke
|
||||
[→E2E] = integration test | all 29 gaps are required by this plan (D8: 4A).
|
||||
|
||||
### CRITICAL: regression test for legacyAuthFlow() (regression rule, mandatory)
|
||||
|
||||
What broke: `PLAN.md:27-28` rewrites existing behavior and `PLAN.md:15-16`
|
||||
explicitly excludes it from coverage. Before any rewrite:
|
||||
|
||||
- `tests/auth/legacy-flow.regression.test` records, for a fixture set of
|
||||
tenants and tokens, the exact claims returned and the exact error for each
|
||||
failure case (expired, wrong audience, wrong issuer, suspended tenant,
|
||||
revoked token, malformed token).
|
||||
- The same fixture set is the shadow comparator's assertion set and stays as
|
||||
the permanent behavioral spec after legacy is deleted.
|
||||
|
||||
### Required tests (one per GAP above)
|
||||
|
||||
Unit (`tests/auth/broker.test`): cache hit; 5/5 success; 4/5 with one reject;
|
||||
timeout on one call; stale generation rejection; each typed error at the
|
||||
boundary; unknown error propagates; `timedCall` and `cachedOrFetch` helpers.
|
||||
|
||||
Unit (`tests/auth/session-mint.test`): mint from claims; missing claims; zero
|
||||
adapter writes (spy).
|
||||
|
||||
Unit (`tests/auth/cache-adapter.generation.test`): generation bump per
|
||||
invalidation type; stale write rejected; discovery/keys TTL; issuer change
|
||||
invalidates cached keys. Existing adapter tests remain untouched.
|
||||
|
||||
Unit (`tests/config/flags.test`): routing per mode; mismatch logging; live flip.
|
||||
|
||||
E2E (`tests/e2e/auth.e2e`): sign-in on new, legacy, and shadow paths; suspend
|
||||
mid-validation; revoke then retry; logout then reuse; tenant A token on tenant
|
||||
B route; double submit; IDP slow UX; session expiry UX.
|
||||
|
||||
## Performance (reviewed)
|
||||
|
||||
- Five IDP calls run under `Promise.all` (fail-fast is correct: all must
|
||||
succeed for a login). Each call has its own AbortController timeout; a
|
||||
timeout is an `IdpError{call, timeout: true}`, never a hang.
|
||||
- Discovery document and signing keys are cached through the existing adapter
|
||||
under the tenant/issuer key with their own TTL, so a typical cache miss makes
|
||||
2 to 3 network calls instead of 5.
|
||||
- Memory: cached discovery/keys are small and bounded per tenant/issuer.
|
||||
- No N+1: one adapter read per request on the hot path, one write on miss.
|
||||
|
||||
## Failure modes (new codepaths)
|
||||
|
||||
| Codepath | Realistic production failure | Test | Handling | User sees |
|
||||
|----------|------------------------------|------|----------|-----------|
|
||||
| validate(): IDP call timeout | IDP endpoint hangs | yes | AbortController → IdpError | clear 503 auth error |
|
||||
| validate(): 1 of 5 rejects | IDP 500 on introspection | yes | fail-fast IdpError names call | clear 503 auth error |
|
||||
| validate(): write after suspension | admin suspends mid-flight | yes | generation check rejects write | 401, tenant stays locked out |
|
||||
| dispatch(): unknown error | bug in new code | yes | propagates, logged | 500, visible in logs |
|
||||
| SessionMint: stale claims | token evicted between validate and mint | yes | ValidationError | 401 with message |
|
||||
| adapter: cached keys after IDP key rotation | JWKS rotated early | yes | TTL + issuer-change invalidation; signature failure triggers refetch | brief 401 then recovery |
|
||||
| FlagRouter: shadow path throws | new path bug | yes | legacy result served, mismatch logged | nothing; logged |
|
||||
| FlagRouter: flag store unreachable | config service down | yes | default to legacy | nothing |
|
||||
|
||||
Critical gaps after this plan: 0. The original plan had 2 (silent re-cache
|
||||
after suspension; swallowed errors in `validateAndDispatch`), both closed by
|
||||
D5 and D7.
|
||||
|
||||
## What already exists
|
||||
|
||||
- **Cache adapter with tenant/issuer/audience/policy key, eviction, and
|
||||
invalidation hooks** (`PLAN.md:7-10`). Reused as-is plus a generation counter
|
||||
and two new cacheable entry types. The original AuthCache facade would have
|
||||
rebuilt its interface with no new behavior; removed.
|
||||
- **Existing adapter tests** (`PLAN.md:13`). Retained unchanged; the generation
|
||||
tests are additive.
|
||||
- **legacyAuthFlow()** (`PLAN.md:27`). Retained as the rollback path and the
|
||||
behavioral oracle for shadow compare until bake completes.
|
||||
|
||||
## NOT in scope
|
||||
|
||||
- **AuthCache facade**: forwarded calls with the adapter's own rules; no
|
||||
behavior. Cut by D3.
|
||||
- **TokenStore, RequestPolicy**: no stated responsibility anywhere in the plan.
|
||||
Cut by D3; re-evaluation trigger recorded (TODO 2).
|
||||
- **Deleting legacyAuthFlow() and the rollout flag**: happens after 100%
|
||||
rollout plus bake window (TODO 1), not in this change.
|
||||
- **Cross-process locking of cache writes**: replaced by the generation check,
|
||||
which is cheaper and holds across instances.
|
||||
- **A dependency-injection container library**: constructor injection at the
|
||||
composition root is enough for two services; a container is premature.
|
||||
- **Distribution/CI changes**: no new artifact type.
|
||||
|
||||
## Diagrams to embed in code comments
|
||||
|
||||
- `auth/broker`: the request flow diagram above (validate → Promise.all →
|
||||
generation-checked write → dispatch boundary).
|
||||
- `auth/cache-adapter`: the write-ownership and generation-check timeline.
|
||||
- `config/flags`: the per-tenant rollout state machine.
|
||||
- `tests/auth/legacy-flow.regression.test`: a short diagram of fixture tenants
|
||||
and which failure each token exercises, since the fixture matrix is non-obvious.
|
||||
|
||||
No existing ASCII diagrams were found in this checkout to check for staleness.
|
||||
|
||||
## TODOs (approved; written to TODOS.md after plan mode exits)
|
||||
|
||||
1. **Remove legacyAuthFlow(), the rollout flag, and the shadow-compare
|
||||
harness after bake.** Why: prevents permanent dual-path debt on the auth hot
|
||||
path. Pros: one path, fewer branches, smaller flag config. Cons: waits on
|
||||
bake data; removes instant rollback. Context: cutover lands via T3; the T5
|
||||
regression test stays as the permanent spec. Depends on: T3 at 100% for all
|
||||
tenants and zero shadow mismatches over the bake window.
|
||||
2. **Re-introduce TokenStore and/or RequestPolicy only when a named
|
||||
responsibility the adapter cannot cover appears.** Why: preserves the
|
||||
author's intent without speculative abstraction. Pros: explicit trigger.
|
||||
Cons: a real need surfaces as a mid-implementation revision. Context:
|
||||
`PLAN.md:35` named both with no responsibility; D3 cut them. Depends on: T1
|
||||
landed; a concrete gap found during T2 or T7.
|
||||
|
||||
## Worktree parallelization strategy
|
||||
|
||||
| Step | Modules touched | Depends on |
|
||||
|------|-----------------|------------|
|
||||
| T1 reduce to 2 services, inject adapter | auth/broker, auth/session-mint | — |
|
||||
| T2 generation check | auth/cache-adapter | — |
|
||||
| T4 split validate/dispatch, typed errors | auth/broker | T1 |
|
||||
| T5 legacy regression test | auth/legacy-flow (read), tests/auth | — |
|
||||
| T3 flag + shadow + rollout | config/flags, auth/legacy-flow, auth/broker (routing seam) | T1, T5 |
|
||||
| T7 Promise.all + timeouts + cached discovery/keys | auth/broker, auth/idp-client, auth/cache-adapter | T2, T4 |
|
||||
| T6 full test set | tests/auth, tests/e2e | T2, T3, T4, T7 |
|
||||
| T8 diagrams | auth/broker, auth/cache-adapter, config/flags | T3, T7 |
|
||||
|
||||
Lanes:
|
||||
- Lane A: T1 → T4 → T7 (sequential, shared auth/broker)
|
||||
- Lane B: T2 (independent, auth/cache-adapter)
|
||||
- Lane C: T5 → T3 (sequential, shared auth/legacy-flow and config/flags)
|
||||
- Lane D: T6 → T8 (after A, B, C merge)
|
||||
|
||||
Execution order: launch A, B, C in parallel worktrees. Merge B before A
|
||||
reaches T7 (T7 needs the generation API). Merge A and C, then run D.
|
||||
|
||||
Conflict flags: Lanes A and C both touch auth/broker (T3 adds the routing
|
||||
seam; T4 reshapes the function). Keep the routing seam to a single call site
|
||||
in C and rebase C onto A before merging. Lanes A and B both touch
|
||||
auth/cache-adapter at T7; T7 only consumes the API T2 adds, so merge B first.
|
||||
|
||||
## Implementation Tasks
|
||||
Synthesized from this review's findings. Each task derives from a specific
|
||||
finding above. Run with Claude Code or Codex; checkbox as you ship.
|
||||
|
||||
- [ ] **T1 (P1, human: ~1 day / CC: ~20 min)** — auth services — Reduce to AuthBroker + SessionMint; inject the existing adapter by constructor; drop AuthCache, TokenStore, RequestPolicy
|
||||
- Surfaced by: Step 0 scope challenge (D3) — `PLAN.md:19-20`, `PLAN.md:35`
|
||||
- Files: auth/broker, auth/session-mint, composition root
|
||||
- Verify: no module-level cache export; both services constructible with a fake adapter in tests
|
||||
- [ ] **T2 (P1, human: ~1 day / CC: ~30 min)** — cache adapter — Single writer plus per-tenant generation check; invalidation bumps generation
|
||||
- Surfaced by: Architecture issue 1 (D5) — `PLAN.md:19-20`, `PLAN.md:10`
|
||||
- Files: auth/cache-adapter, auth/broker, auth/session-mint
|
||||
- Verify: `tests/auth/cache-adapter.generation.test` (stale write rejected); existing adapter tests still green
|
||||
- [ ] **T3 (P1, human: ~3 days / CC: ~45 min)** — rollout — Per-tenant flag, shadow compare with mismatch logging, staged rollout; legacy kept through bake
|
||||
- Surfaced by: Architecture issue 2 (D6) — `PLAN.md:27-28`
|
||||
- Files: config/flags, auth/legacy-flow, auth/broker
|
||||
- Verify: `tests/config/flags.test`; E2E shadow run shows legacy served and mismatch logged
|
||||
- [ ] **T4 (P1, human: ~1 day / CC: ~20 min)** — validateAndDispatch — Split into validate() and dispatch(); typed errors; one boundary; nothing swallowed
|
||||
- Surfaced by: Code quality issue 3 (D7) — `PLAN.md:23-24`
|
||||
- Files: auth/broker
|
||||
- Verify: boundary tests for each typed error; unknown error propagates
|
||||
- [ ] **T5 (P1, human: ~1 day / CC: ~20 min)** — tests — CRITICAL regression test capturing legacyAuthFlow() behavior before any rewrite
|
||||
- Surfaced by: Test review REGRESSION RULE — `PLAN.md:27-28`, `PLAN.md:15-16`
|
||||
- Files: tests/auth/legacy-flow.regression.test
|
||||
- Verify: test passes against unmodified legacy; same fixtures drive shadow compare
|
||||
- [ ] **T6 (P1, human: ~2 days / CC: ~40 min)** — tests — Full edge, race, isolation, and E2E set (all 29 gaps in the coverage diagram)
|
||||
- Surfaced by: Test issue 4 (D8) — `PLAN.md:14-16`
|
||||
- Files: tests/auth, tests/e2e
|
||||
- Verify: coverage diagram shows 30/30; E2E suite green
|
||||
- [ ] **T7 (P2, human: ~1 day / CC: ~20 min)** — token validation — Promise.all with per-call AbortController timeout; cache discovery and signing keys via the adapter
|
||||
- Surfaced by: Performance issue 5 (D9) — `PLAN.md:31-32`
|
||||
- Files: auth/broker, auth/idp-client, auth/cache-adapter
|
||||
- Verify: timeout test produces IdpError, not a hang; cache-miss path makes at most 3 network calls with warm discovery/keys
|
||||
- [ ] **T8 (P2, human: ~2h / CC: ~5 min)** — docs — Embed the three ASCII diagrams in code comments
|
||||
- Surfaced by: Required outputs, Diagrams
|
||||
- Files: auth/broker, auth/cache-adapter, config/flags
|
||||
- Verify: diagrams match the shipped flow; reviewed in PR
|
||||
|
||||
## Deferred actions (blocked by plan mode, run right after exit)
|
||||
|
||||
- D1: append the gstack skill-routing section to `CLAUDE.md` and commit it.
|
||||
- D10, D11: create `TODOS.md` with the two approved TODOs.
|
||||
|
||||
## Suppressed findings (appendix)
|
||||
|
||||
- [P3] (confidence: 5/10) `PLAN.md:7` — if two issuers for one tenant share an
|
||||
audience and policy version, the key still differs by issuer, so no collision;
|
||||
unverified without adapter source. Medium confidence, verify this is actually
|
||||
an issue.
|
||||
- [P3] (confidence: 4/10) `PLAN.md:19-20` — SessionMint may need to persist
|
||||
session records (not tokens); if so they belong in a separate keyspace, not
|
||||
the token cache. Unverified; suppressed.
|
||||
|
||||
## Completion summary
|
||||
|
||||
- Step 0: Scope Challenge — scope reduced per recommendation (5 new components → 2)
|
||||
- Architecture Review: 2 issues found (both resolved: 1A, 2A)
|
||||
- Code Quality Review: 1 issue found (resolved: 3A)
|
||||
- Test Review: diagram produced, 29 gaps identified plus 1 CRITICAL regression; all added to plan (4A)
|
||||
- Performance Review: 1 issue found (resolved: 5A)
|
||||
- NOT in scope: written
|
||||
- What already exists: written
|
||||
- TODOS.md updates: 2 items proposed to user, 2 accepted (write deferred to post plan mode)
|
||||
- Failure modes: 0 critical gaps remaining (2 in original plan, closed)
|
||||
- Outside voice: skipped (codex_reviews disabled)
|
||||
- Parallelization: 4 lanes, 3 parallel / 1 sequential after merge
|
||||
- Lake Score: 5/5 recommendations chose complete option
|
||||
|
||||
## GSTACK REVIEW REPORT
|
||||
|
||||
| Review | Trigger | Why | Runs | Status | Findings |
|
||||
|--------|---------|-----|------|--------|----------|
|
||||
| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |
|
||||
| Outside Review | codex via `/plan-eng-review` | Independent 2nd opinion | 1 | disabled | skipped (codex_reviews disabled) |
|
||||
| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (PLAN, SCOPE_REDUCED) | 6 issues, 0 critical gaps |
|
||||
| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |
|
||||
| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |
|
||||
|
||||
- **OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (user config `codex_reviews=disabled`), no findings; no native fallback dispatched because disabled is an opt-out, not a failure. Re-enable: `gstack-config set codex_reviews enabled`.
|
||||
- **VERDICT:** ENG CLEARED — ready to implement. Outside coverage disabled by config; no cross-model comparison available.
|
||||
|
||||
NO UNRESOLVED DECISIONS
|
||||
-138
@@ -1,138 +0,0 @@
|
||||
{
|
||||
"observationSHA256": "12c69056fdb115893b46b1a4289a41e52c8d2a4970d06396ceabc457da74a7f3",
|
||||
"reportSHA256": "74ace7447a07d0b8a27ab45cb6dc8854602e862bbeaed1b7671a34e1e290784b",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "6224eb91-e7d5-4efa-89c1-7756f1140770",
|
||||
"toolUseId": "toolu_011m4o2M9ybFru4R41h9eECH",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — Scope: reduce to 2 new classes with injected cache, or proceed with 4 classes / 12 files?\nProject/branch/task: gstack-plan-count-FTw0nf on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: The plan adds four new classes but only explains what two of them do. AuthCache wraps a cache adapter that already does everything the plan needs (PLAN.md:7-13). TokenStore and RequestPolicy get a name and nothing else (PLAN.md:35-36). Every extra class is another file to test, another place a tenant-isolation bug can hide, and another thing the next engineer has to learn. The question is whether the same auth refactor ships with fewer moving parts.\nStakes if we pick wrong: Too big and you carry four abstractions where two would do, forever. Too small and you fold a real responsibility into the wrong class and split it back out later.\nRecommendation: A because the existing adapter already has the contract AuthCache re-exposes, and a class with no stated responsibility is premature abstraction (your 'engineered enough' preference).\nNote: options differ in kind, not coverage — no completeness score.\nNet: two well-defined services over an injected adapter vs. four classes, two of them undefined.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Reduce: 2 classes, inject adapter (recommended)",
|
||||
"description": "AuthBroker + SessionMint receive the existing cache adapter by constructor; drop the AuthCache facade; RequestPolicy becomes a plain typed config/function; TokenStore folds into the adapter unless it has a distinct responsibility you name. (human: ~3 days / CC: ~45 min) ✅ Fewer files (~7-8), fewer abstractions, and no module-level singleton to leak tenant state. ✅ Reuses the adapter's existing tests and invalidation hooks unchanged. ❌ If TokenStore really is a separate concern (e.g. refresh-token persistence), it must be re-added later."
|
||||
},
|
||||
{
|
||||
"label": "B) Keep 4 classes, but inject (no singleton)",
|
||||
"description": "All four classes stay; AuthCache is passed into both services instead of being a module-level export. (human: ~5 days / CC: ~1 hr) ✅ Preserves whatever design intent sits behind TokenStore and RequestPolicy. ✅ Still removes the shared-mutable-singleton hazard. ❌ Carries two undefended classes and ~12 files; the plan must be amended to state their responsibilities."
|
||||
},
|
||||
{
|
||||
"label": "C) Proceed as-is",
|
||||
"description": "4 classes, 12 files, module-level AuthCache export, as written. (human: ~5 days / CC: ~1 hr) ✅ No re-planning; the design is already in your head. ✅ Fastest path to first commit. ❌ Ships the singleton footgun and two classes the plan cannot yet explain; the architecture review will still flag the singleton."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — Scope: reduce to 2 new classes with injected cache, or proceed with 4 classes / 12 files?\nProject/branch/task: gstack-plan-count-FTw0nf on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: The plan adds four new classes but only explains what two of them do. AuthCache wraps a cache adapter that already does everything the plan needs (PLAN.md:7-13). TokenStore and RequestPolicy get a name and nothing else (PLAN.md:35-36). Every extra class is another file to test, another place a tenant-isolation bug can hide, and another thing the next engineer has to learn. The question is whether the same auth refactor ships with fewer moving parts.\nStakes if we pick wrong: Too big and you carry four abstractions where two would do, forever. Too small and you fold a real responsibility into the wrong class and split it back out later.\nRecommendation: A because the existing adapter already has the contract AuthCache re-exposes, and a class with no stated responsibility is premature abstraction (your 'engineered enough' preference).\nNote: options differ in kind, not coverage — no completeness score.\nNet: two well-defined services over an injected adapter vs. four classes, two of them undefined.": "A) Reduce: 2 classes, inject adapter (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T09:53:46.307Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "6224eb91-e7d5-4efa-89c1-7756f1140770",
|
||||
"toolUseId": "toolu_01LeQfFfD3XayjMH11jL4ua7",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — Issue 1: Who is allowed to write to the shared cache?\nProject/branch/task: gstack-plan-count-FTw0nf on main, PLAN.md Multi-tenant Auth Refactor (scope reduced per D4).\nELI10: Even with the adapter injected instead of global, AuthBroker and SessionMint both write to the same tenant-keyed cache and nothing orders those writes (PLAN.md:10 'they do not serialize mutations'; PLAN.md:20 'Both services mutate it'). Picture a user logging out: the adapter's logout hook deletes their token entry, and a SessionMint write that started a moment earlier lands right after and puts the token back. The user thinks they're logged out; the token still validates from cache. Nobody sees an error.\nStakes if we pick wrong: A revoked or suspended tenant's token keeps working until natural expiry. That's a silent auth bypass, the worst kind of bug to find in production.\nRecommendation: A because a single-writer rule is explicit over clever, needs no new locking primitive, and makes the race impossible rather than unlikely.\nCompleteness: A=10/10, B=8/10, C=3/10\nNet: an ownership rule enforced by types vs. a version check on every write vs. hoping the window is small.",
|
||||
"header": "Issue 1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A) Single writer: only SessionMint writes (recommended)",
|
||||
"description": "SessionMint is the sole writer (mint + cache); AuthBroker holds a read-only view of the adapter (a narrowed interface type) and triggers invalidation only through the adapter's existing hooks. Add a test that a mint racing a revocation never resurrects the entry. (human: ~1 day / CC: ~20 min) ✅ The race is structurally impossible; the compiler enforces the rule. ✅ Reuses existing invalidation hooks unchanged. ❌ AuthBroker must go through SessionMint for any cache write it needs today."
|
||||
},
|
||||
{
|
||||
"label": "1B) Both write, guard with policy-version CAS",
|
||||
"description": "Both services keep writing; every write carries the policy version already in the key and the adapter rejects writes whose version is older than the current entry or a tombstone left by invalidation. (human: ~2 days / CC: ~40 min) ✅ No ownership change; both services keep their current shape. ✅ Tombstones also protect against late writes after tenant suspension. ❌ Adds compare-and-set logic to an adapter the plan promised to leave unchanged (PLAN.md:12-13)."
|
||||
},
|
||||
{
|
||||
"label": "1C) Accept the window, document it",
|
||||
"description": "Leave both writers unserialized and add a comment noting the race. (human: ~10 min / CC: ~2 min) ✅ Zero implementation work right now. ✅ Keeps the adapter and both services exactly as planned. ❌ Ships a known silent auth-bypass window; the size of the window depends on IDP latency you don't control."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Issue 1: Who is allowed to write to the shared cache?\nProject/branch/task: gstack-plan-count-FTw0nf on main, PLAN.md Multi-tenant Auth Refactor (scope reduced per D4).\nELI10: Even with the adapter injected instead of global, AuthBroker and SessionMint both write to the same tenant-keyed cache and nothing orders those writes (PLAN.md:10 'they do not serialize mutations'; PLAN.md:20 'Both services mutate it'). Picture a user logging out: the adapter's logout hook deletes their token entry, and a SessionMint write that started a moment earlier lands right after and puts the token back. The user thinks they're logged out; the token still validates from cache. Nobody sees an error.\nStakes if we pick wrong: A revoked or suspended tenant's token keeps working until natural expiry. That's a silent auth bypass, the worst kind of bug to find in production.\nRecommendation: A because a single-writer rule is explicit over clever, needs no new locking primitive, and makes the race impossible rather than unlikely.\nCompleteness: A=10/10, B=8/10, C=3/10\nNet: an ownership rule enforced by types vs. a version check on every write vs. hoping the window is small.": "1A) Single writer: only SessionMint writes (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T09:54:54.736Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "6224eb91-e7d5-4efa-89c1-7756f1140770",
|
||||
"toolUseId": "toolu_01VJKE15J3D5NpLmUqw5QQ53",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 — Issue 3: What happens to validateAndDispatch() and its three swallowing catch blocks?\nProject/branch/task: gstack-plan-count-FTw0nf on main, PLAN.md Multi-tenant Auth Refactor (scope reduced per D4).\nELI10: validateAndDispatch() is 60 lines with three try/catch blocks nested inside each other, and each catch eats a different kind of error and moves on (PLAN.md:23-24). In auth code, 'moves on' is the problem: either the user gets a blank denial with nothing in the logs, or the function reaches the dispatch step even though a validation step failed. Neither is visible until someone reports it.\nStakes if we pick wrong: Silent denials that support can't debug, or a validation step that fails open. Both are invisible in tests that only check the happy path.\nRecommendation: A because splitting validation from dispatch and making every failure an explicit typed outcome is 'explicit over clever', and CC writes the per-error-class tests in minutes.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: explicit error outcomes with a test per class vs. same shape with logging vs. leave it.",
|
||||
"header": "Issue 3",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3A) Split + typed error results, test per error class (recommended)",
|
||||
"description": "Split into validate() returning a discriminated result (ok | {kind: 'expired'|'issuer'|'audience'|'network'|...}) and dispatch(); one boundary catch maps unknown throws to a logged 500-class error. No catch swallows. One unit test per error kind asserting the mapped outcome and log line. (human: ~1 day / CC: ~20 min) ✅ Every failure is named, logged, and tested; fail-closed is enforced by the type. ✅ Each function fits on a screen and has one job. ❌ Callers of validateAndDispatch() adapt to the new result shape."
|
||||
},
|
||||
{
|
||||
"label": "3B) Keep structure, log + rethrow in each catch",
|
||||
"description": "Same 60-line function and nesting; each catch logs with error class and rethrows or returns a deny. (human: ~2 hr / CC: ~5 min) ✅ Minimal diff; no caller changes. ✅ Errors stop being silent. ❌ Three nested try/catch blocks remain; the next engineer still has to trace which catch owns which failure."
|
||||
},
|
||||
{
|
||||
"label": "3C) Leave as-is",
|
||||
"description": "No change to validateAndDispatch(). (human: ~0 / CC: ~0) ✅ No work, no risk of introducing a change in this PR. ✅ Keeps the PR focused on the new services. ❌ Three classes of auth failure remain invisible in production."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 — Issue 3: What happens to validateAndDispatch() and its three swallowing catch blocks?\nProject/branch/task: gstack-plan-count-FTw0nf on main, PLAN.md Multi-tenant Auth Refactor (scope reduced per D4).\nELI10: validateAndDispatch() is 60 lines with three try/catch blocks nested inside each other, and each catch eats a different kind of error and moves on (PLAN.md:23-24). In auth code, 'moves on' is the problem: either the user gets a blank denial with nothing in the logs, or the function reaches the dispatch step even though a validation step failed. Neither is visible until someone reports it.\nStakes if we pick wrong: Silent denials that support can't debug, or a validation step that fails open. Both are invisible in tests that only check the happy path.\nRecommendation: A because splitting validation from dispatch and making every failure an explicit typed outcome is 'explicit over clever', and CC writes the per-error-class tests in minutes.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: explicit error outcomes with a test per class vs. same shape with logging vs. leave it.": "3A) Split + typed error results, test per error class (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T09:56:01.216Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "6224eb91-e7d5-4efa-89c1-7756f1140770",
|
||||
"toolUseId": "toolu_0146kiJJzgAyvhjwGzuVKDHg",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 — Issue 6: How are the 5 IDP calls parallelized?\nProject/branch/task: gstack-plan-count-FTw0nf on main, PLAN.md Multi-tenant Auth Refactor (scope reduced per D4).\nELI10: Today the five identity-provider checks run one after another, so login takes five round trips (PLAN.md:31). Running them at once cuts that to one round trip. But 'at once' has two sharp edges: if one call hangs, the login hangs with it unless each call has its own deadline, and if one call fails fast the other four keep burning IDP quota unless we cancel them. Promise.all is the right aggregator here because a single failed check must fail the whole validation (fail closed).\nStakes if we pick wrong: Either logins hang on a slow IDP, or you quietly 5x your IDP request volume during an outage.\nRecommendation: A because per-call timeouts and cancellation are a few lines with AbortController and turn a 'trivial' change into a bounded one; complete error handling over happy path.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: bounded, cancellable parallel calls vs. bare Promise.all vs. sequential as today.",
|
||||
"header": "Issue 6",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "6A) Promise.all + per-call timeout + abort on first failure (recommended)",
|
||||
"description": "Each IDP call gets an AbortSignal with a per-call deadline; Promise.all rejects on the first failure and the shared controller aborts the remaining four; failure maps to the 'network' or check-specific error kind from 3A. Tests: fastest-rejection wins, timeout maps to 'network', remaining calls observed aborted. (human: ~half day / CC: ~15 min) ✅ Login latency bounded by the slowest healthy call, never by a hung one. ✅ IDP quota isn't burned on calls whose result no longer matters. ❌ Slightly more plumbing than a one-line Promise.all."
|
||||
},
|
||||
{
|
||||
"label": "6B) Plain Promise.all",
|
||||
"description": "Wrap the five calls in Promise.all; rely on the IDP client's global timeout, if any. (human: ~1 hr / CC: ~3 min) ✅ One-line change; immediate latency win. ✅ Fail-closed semantics come free from Promise.all. ❌ A hung call hangs the login; four calls keep running after the first rejection."
|
||||
},
|
||||
{
|
||||
"label": "6C) Keep sequential",
|
||||
"description": "No change. (human: ~0 / CC: ~0) ✅ No new concurrency to reason about. ✅ IDP sees at most one in-flight call per login. ❌ Login stays 5 round trips long for every user, every time."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 — Issue 6: How are the 5 IDP calls parallelized?\nProject/branch/task: gstack-plan-count-FTw0nf on main, PLAN.md Multi-tenant Auth Refactor (scope reduced per D4).\nELI10: Today the five identity-provider checks run one after another, so login takes five round trips (PLAN.md:31). Running them at once cuts that to one round trip. But 'at once' has two sharp edges: if one call hangs, the login hangs with it unless each call has its own deadline, and if one call fails fast the other four keep burning IDP quota unless we cancel them. Promise.all is the right aggregator here because a single failed check must fail the whole validation (fail closed).\nStakes if we pick wrong: Either logins hang on a slow IDP, or you quietly 5x your IDP request volume during an outage.\nRecommendation: A because per-call timeouts and cancellation are a few lines with AbortController and turn a 'trivial' change into a bounded one; complete error handling over happy path.\nCompleteness: A=10/10, B=7/10, C=3/10\nNet: bounded, cancellable parallel calls vs. bare Promise.all vs. sequential as today.": "6A) Promise.all + per-call timeout + abort on first failure (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T09:58:14.247Z"
|
||||
}
|
||||
],
|
||||
"declaration": "**CRITICAL — regression rule (mandatory, not a decision):** T1 adds a characterization test for `legacyAuthFlow()`'s current behavior (happy path, each current denial path, cache interaction) and lands *before* the 4A extraction. The original plan excluded this (PLAN.md:15-16); that exclusion is removed.",
|
||||
"tasks": "- [ ] **T1 (P1, human: ~2h / CC: ~10min)** — auth/legacy — Add characterization/regression test for `legacyAuthFlow()` current behavior\n - Surfaced by: Test review — REGRESSION RULE; PLAN.md:15-16 excluded it, PLAN.md:27 rewrites it\n - Files: `auth/__tests__/legacyAuthFlow.regression.test.ts`\n - Verify: test passes against unmodified legacy before any other commit\n- [ ] **T2 (P1, human: ~1d / CC: ~20min)** — auth/validate — Extract IDP checks + token validation into shared `validate()`; legacy calls it, behavior unchanged\n - Surfaced by: Code quality Issue 4 (D8, 4A)\n - Files: `auth/validate.ts`, `auth/legacyAuthFlow.ts`\n - Verify: T1 still green; diff to legacy is call-site only\n",
|
||||
"compact": "## Tests\n\n**CRITICAL — regression rule (mandatory, not a decision):** T1 adds a characterization test for `legacyAuthFlow()`'s current behavior (happy path, each current denial path, cache interaction) and lands *before* the 4A extraction. The original plan excluded this (PLAN.md:15-16); that exclusion is removed.\n\n## Implementation Tasks\n\n- [ ] **T1 (P1, human: ~2h / CC: ~10min)** — auth/legacy — Add characterization/regression test for `legacyAuthFlow()` current behavior\n - Surfaced by: Test review — REGRESSION RULE; PLAN.md:15-16 excluded it, PLAN.md:27 rewrites it\n - Files: `auth/__tests__/legacyAuthFlow.regression.test.ts`\n - Verify: test passes against unmodified legacy before any other commit\n- [ ] **T2 (P1, human: ~1d / CC: ~20min)** — auth/validate — Extract IDP checks + token validation into shared `validate()`; legacy calls it, behavior unchanged\n - Surfaced by: Code quality Issue 4 (D8, 4A)\n - Files: `auth/validate.ts`, `auth/legacyAuthFlow.ts`\n - Verify: T1 still green; diff to legacy is call-site only\n\n## GSTACK REVIEW REPORT\n\n**Suppressed findings (confidence ≤ 4, appendix only):**\n- `[P1?] (confidence: 4/10) PLAN.md:7-8` — tenant ID source for the cache key not stated; if claim-derived, cross-tenant cache poisoning. Unverifiable without source. Captured as TODO 3.\n- `[P3] (confidence: 3/10) PLAN.md:31` — five parallel IDP calls may hit IDP per-client rate limits during a cold-start stampede; mitigated by 7A single-flight. No IDP quota figures available.\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |\n| Outside Review | codex via `/plan-eng-review` | Independent 2nd opinion | 1 | disabled | outside_status: disabled (codex_reviews=disabled), phase: plan-review, host: claude |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (PLAN) | 32 issues (6 section findings + 26 test gaps), 0 critical gaps, mode SCOPE_REDUCED |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |\n\n**OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (user opt-out), no findings; no native fallback dispatched. Outside coverage for this plan is absent by configuration, not by failure.\n\n**VERDICT:** ENG CLEARED — ready to implement (SCOPE_REDUCED; all 7 decisions resolved, 0 critical gaps). CEO and Design reviews not run; neither gates shipping for a backend auth refactor.\n\nNO UNRESOLVED DECISIONS\n",
|
||||
"reviewReport": "## GSTACK REVIEW REPORT\n\n**Suppressed findings (confidence ≤ 4, appendix only):**\n- `[P1?] (confidence: 4/10) PLAN.md:7-8` — tenant ID source for the cache key not stated; if claim-derived, cross-tenant cache poisoning. Unverifiable without source. Captured as TODO 3.\n- `[P3] (confidence: 3/10) PLAN.md:31` — five parallel IDP calls may hit IDP per-client rate limits during a cold-start stampede; mitigated by 7A single-flight. No IDP quota figures available.\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |\n| Outside Review | codex via `/plan-eng-review` | Independent 2nd opinion | 1 | disabled | outside_status: disabled (codex_reviews=disabled), phase: plan-review, host: claude |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (PLAN) | 32 issues (6 section findings + 26 test gaps), 0 critical gaps, mode SCOPE_REDUCED |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |\n\n**OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (user opt-out), no findings; no native fallback dispatched. Outside coverage for this plan is absent by configuration, not by failure.\n\n**VERDICT:** ENG CLEARED — ready to implement (SCOPE_REDUCED; all 7 decisions resolved, 0 critical gaps). CEO and Design reviews not run; neither gates shipping for a backend auth refactor.\n\nNO UNRESOLVED DECISIONS\n"
|
||||
}
|
||||
-299
@@ -1,299 +0,0 @@
|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
"questions": [
|
||||
{
|
||||
"question": "D1 — Reduce the new-class count before we review the rest?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), 12 files, 4-5 new classes.\nELI10: The plan invents a new cache wrapper (AuthCache) and a new token store on top of a cache adapter that already does tenant keying, expiry, and invalidation. Every extra class is another place a bug can hide in the code that decides who is logged in. Fewer moving parts means fewer places for a revoked token to slip through.\nStakes if we pick wrong: Too many layers and the auth path becomes hard to reason about and test; too few and we cram policy logic into services that should stay thin.\nRecommendation: 1A because the adapter already enforces every cache rule the plan lists, so AuthCache and TokenStore add indirection without behavior. Maps to your 'engineered enough' and right-sized-diff preferences.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\n1A) Reduce: keep AuthBroker + SessionMint, inject the existing adapter, RequestPolicy as a pure function/config, drop AuthCache and TokenStore as classes (human: ~1 day less / CC: ~10 min less) (recommended)\n ✅ Two new types instead of five; roughly 7-8 files touched instead of 12, smaller review surface\n ✅ No new global; each service is unit-testable with a fake adapter passed in\n ❌ If a real service-facing narrowing of the adapter API is needed later, you add the facade then\n1B) Keep all four classes but replace the module-level global with constructor injection (human: ~2 days / CC: ~20 min)\n ✅ Preserves the plan's intended layering if AuthCache is meant to narrow the adapter API\n ✅ Still removes the shared-mutable-global hazard, so tests stay isolated\n ❌ Facade and TokenStore still duplicate what the adapter already guarantees\n1C) Proceed exactly as written (human: ~2 days / CC: ~20 min)\n ✅ No re-planning; the author's structure stands untouched\n ✅ Fastest path to starting implementation today\n ❌ Keeps a mutable global shared by two writers in the auth path, the riskiest shape available\nNet: You are trading a thinner, more testable auth path against preserving layering the plan has not yet justified.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A Reduce (recommended)",
|
||||
"description": "AuthBroker + SessionMint with injected adapter; RequestPolicy as pure fn; drop AuthCache/TokenStore classes."
|
||||
},
|
||||
{
|
||||
"label": "1B Keep 4 classes, add DI",
|
||||
"description": "Keep the layering but remove the module-level global in favor of constructor injection."
|
||||
},
|
||||
{
|
||||
"label": "1C Proceed as-is",
|
||||
"description": "Review the plan exactly as written, 12 files and 4 classes with the shared global."
|
||||
}
|
||||
]
|
||||
}
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"D1 — Reduce the new-class count before we review the rest?\nProject/branch/task: main — Multi-tenant Auth Refactor plan (PLAN.md), 12 files, 4-5 new classes.\nELI10: The plan invents a new cache wrapper (AuthCache) and a new token store on top of a cache adapter that already does tenant keying, expiry, and invalidation. Every extra class is another place a bug can hide in the code that decides who is logged in. Fewer moving parts means fewer places for a revoked token to slip through.\nStakes if we pick wrong: Too many layers and the auth path becomes hard to reason about and test; too few and we cram policy logic into services that should stay thin.\nRecommendation: 1A because the adapter already enforces every cache rule the plan lists, so AuthCache and TokenStore add indirection without behavior. Maps to your 'engineered enough' and right-sized-diff preferences.\nNote: options differ in kind, not coverage — no completeness score.\nPros / cons:\n1A) Reduce: keep AuthBroker + SessionMint, inject the existing adapter, RequestPolicy as a pure function/config, drop AuthCache and TokenStore as classes (human: ~1 day less / CC: ~10 min less) (recommended)\n ✅ Two new types instead of five; roughly 7-8 files touched instead of 12, smaller review surface\n ✅ No new global; each service is unit-testable with a fake adapter passed in\n ❌ If a real service-facing narrowing of the adapter API is needed later, you add the facade then\n1B) Keep all four classes but replace the module-level global with constructor injection (human: ~2 days / CC: ~20 min)\n ✅ Preserves the plan's intended layering if AuthCache is meant to narrow the adapter API\n ✅ Still removes the shared-mutable-global hazard, so tests stay isolated\n ❌ Facade and TokenStore still duplicate what the adapter already guarantees\n1C) Proceed exactly as written (human: ~2 days / CC: ~20 min)\n ✅ No re-planning; the author's structure stands untouched\n ✅ Fastest path to starting implementation today\n ❌ Keeps a mutable global shared by two writers in the auth path, the riskiest shape available\nNet: You are trading a thinner, more testable auth path against preserving layering the plan has not yet justified.": "1A Reduce (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-10T18:24:29.278Z"
|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
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|
||||
"question": "D2 — Who is allowed to write to the auth cache?\nProject/branch/task: main — Multi-tenant Auth Refactor, AuthBroker and SessionMint both mutating one backing cache (PLAN.md:10, 19-20).\nELI10: Two services write to the same cache and nothing orders their writes. If one service removes a revoked token while the other is mid-way through storing that same token, the store lands last and the revoked token comes back to life. Users would see a logged-out or revoked session keep working.\nStakes if we pick wrong: A revoked or suspended tenant's tokens stay valid until natural expiry, silently, with no log line to find it.\nRecommendation: 2A because one writer plus a version check makes the race structurally impossible instead of merely unlikely; explicit over clever.\nCompleteness: 2A=10/10, 2B=7/10, 2C=3/10\nPros / cons:\n2A) Single writer + versioned writes: only SessionMint writes; AuthBroker reads and calls the adapter's existing invalidation hooks; every write carries the policy version read at validation start and the adapter rejects writes whose version is stale (human: ~1.5 days / CC: ~25 min) (recommended)\n ✅ Revocation racing a mint can never resurrect a token; the stale write is rejected and logged\n ✅ Ownership is obvious from the code: one class writes, one class reads, testable with a fake adapter\n ❌ Needs a compare-and-set or version-tag on the adapter write path, a small adapter change\n2B) Single writer only: SessionMint writes, AuthBroker reads and invalidates, no version check (human: ~1 day / CC: ~15 min)\n ✅ Removes the two-writer coupling with no adapter change at all\n ✅ Simpler to explain and diagram than a version scheme\n ❌ Invalidate-then-write-back is still possible inside a single mint that started before the revocation\n2C) Keep both writers, document the race as accepted (human: ~0 / CC: ~0)\n ✅ Zero implementation cost right now\n ✅ Matches the plan as written\n ❌ Ships a known fail-open path in auth; the first incident is a security incident\nNet: You are trading a small adapter change for a guarantee that revocation always wins the race.",
|
||||
"header": "Cache writes",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "2A Single writer + version (recommended)",
|
||||
"description": "SessionMint writes with policy-version tag; adapter rejects stale writes; AuthBroker reads/invalidates."
|
||||
},
|
||||
{
|
||||
"label": "2B Single writer only",
|
||||
"description": "SessionMint writes, AuthBroker reads and invalidates. No version check."
|
||||
},
|
||||
{
|
||||
"label": "2C Accept the race",
|
||||
"description": "Keep both writers as planned and document the known race."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
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|
||||
"answers": {
|
||||
"D2 — Who is allowed to write to the auth cache?\nProject/branch/task: main — Multi-tenant Auth Refactor, AuthBroker and SessionMint both mutating one backing cache (PLAN.md:10, 19-20).\nELI10: Two services write to the same cache and nothing orders their writes. If one service removes a revoked token while the other is mid-way through storing that same token, the store lands last and the revoked token comes back to life. Users would see a logged-out or revoked session keep working.\nStakes if we pick wrong: A revoked or suspended tenant's tokens stay valid until natural expiry, silently, with no log line to find it.\nRecommendation: 2A because one writer plus a version check makes the race structurally impossible instead of merely unlikely; explicit over clever.\nCompleteness: 2A=10/10, 2B=7/10, 2C=3/10\nPros / cons:\n2A) Single writer + versioned writes: only SessionMint writes; AuthBroker reads and calls the adapter's existing invalidation hooks; every write carries the policy version read at validation start and the adapter rejects writes whose version is stale (human: ~1.5 days / CC: ~25 min) (recommended)\n ✅ Revocation racing a mint can never resurrect a token; the stale write is rejected and logged\n ✅ Ownership is obvious from the code: one class writes, one class reads, testable with a fake adapter\n ❌ Needs a compare-and-set or version-tag on the adapter write path, a small adapter change\n2B) Single writer only: SessionMint writes, AuthBroker reads and invalidates, no version check (human: ~1 day / CC: ~15 min)\n ✅ Removes the two-writer coupling with no adapter change at all\n ✅ Simpler to explain and diagram than a version scheme\n ❌ Invalidate-then-write-back is still possible inside a single mint that started before the revocation\n2C) Keep both writers, document the race as accepted (human: ~0 / CC: ~0)\n ✅ Zero implementation cost right now\n ✅ Matches the plan as written\n ❌ Ships a known fail-open path in auth; the first incident is a security incident\nNet: You are trading a small adapter change for a guarantee that revocation always wins the race.": "2A Single writer + version (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-10T18:25:21.601Z"
|
||||
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|
||||
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|
||||
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 — How does the new auth flow reach production?\nProject/branch/task: main — Multi-tenant Auth Refactor; legacyAuthFlow() is rewritten in place (PLAN.md:27-28) with no rollout or fallback named.\nELI10: The plan replaces the login path in one shot. If the new path has a bug, every tenant is locked out at once and the only fix is a revert deploy. A flag that routes some tenants to the new path and the rest to the old one lets you find the bug with one tenant, not all of them.\nStakes if we pick wrong: A global auth outage across all tenants with a deploy-length recovery time instead of a flag flip.\nRecommendation: 3A because auth is the one place where the cost of being wrong is total; make that cost a flag flip. Reversibility preference, strangler fig over big bang.\nCompleteness: 3A=10/10, 3B=7/10, 3C=3/10\nPros / cons:\n3A) Per-tenant flag: legacyAuthFlow() stays callable behind a per-tenant flag, new flow rolls out tenant by tenant, legacy deleted in a follow-up once at 100% (human: ~1 day / CC: ~15 min) (recommended)\n ✅ Rollback is a flag flip per tenant, seconds instead of a deploy\n ✅ Lets you canary on an internal tenant with the regression suite still green on the legacy side\n ❌ Two code paths coexist for one release; legacy removal must actually happen later\n3B) Global kill-switch flag only: new flow on for everyone, one env flag falls back to legacy (human: ~0.5 day / CC: ~10 min)\n ✅ Still a flag flip to recover, no redeploy\n ✅ Less flag plumbing than per-tenant routing\n ❌ First bad tenant takes everyone with it before you flip; no canary\n3C) Big-bang rewrite as planned (human: ~0 / CC: ~0)\n ✅ One code path, nothing to clean up later\n ✅ Smallest diff\n ❌ Recovery is a revert deploy while every tenant is locked out\nNet: You are trading one release of dual code paths for a recovery time measured in seconds instead of deploys.",
|
||||
"header": "Rollout",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3A Per-tenant flag (recommended)",
|
||||
"description": "Strangler fig: route tenants to new flow incrementally, legacy stays as fallback until 100%."
|
||||
},
|
||||
{
|
||||
"label": "3B Global kill-switch",
|
||||
"description": "New flow on for all; a single flag falls back to legacy."
|
||||
},
|
||||
{
|
||||
"label": "3C Big-bang as planned",
|
||||
"description": "Rewrite legacyAuthFlow() in place, no flag."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — How does the new auth flow reach production?\nProject/branch/task: main — Multi-tenant Auth Refactor; legacyAuthFlow() is rewritten in place (PLAN.md:27-28) with no rollout or fallback named.\nELI10: The plan replaces the login path in one shot. If the new path has a bug, every tenant is locked out at once and the only fix is a revert deploy. A flag that routes some tenants to the new path and the rest to the old one lets you find the bug with one tenant, not all of them.\nStakes if we pick wrong: A global auth outage across all tenants with a deploy-length recovery time instead of a flag flip.\nRecommendation: 3A because auth is the one place where the cost of being wrong is total; make that cost a flag flip. Reversibility preference, strangler fig over big bang.\nCompleteness: 3A=10/10, 3B=7/10, 3C=3/10\nPros / cons:\n3A) Per-tenant flag: legacyAuthFlow() stays callable behind a per-tenant flag, new flow rolls out tenant by tenant, legacy deleted in a follow-up once at 100% (human: ~1 day / CC: ~15 min) (recommended)\n ✅ Rollback is a flag flip per tenant, seconds instead of a deploy\n ✅ Lets you canary on an internal tenant with the regression suite still green on the legacy side\n ❌ Two code paths coexist for one release; legacy removal must actually happen later\n3B) Global kill-switch flag only: new flow on for everyone, one env flag falls back to legacy (human: ~0.5 day / CC: ~10 min)\n ✅ Still a flag flip to recover, no redeploy\n ✅ Less flag plumbing than per-tenant routing\n ❌ First bad tenant takes everyone with it before you flip; no canary\n3C) Big-bang rewrite as planned (human: ~0 / CC: ~0)\n ✅ One code path, nothing to clean up later\n ✅ Smallest diff\n ❌ Recovery is a revert deploy while every tenant is locked out\nNet: You are trading one release of dual code paths for a recovery time measured in seconds instead of deploys.": "3A Per-tenant flag (recommended)"
|
||||
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|
||||
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|
||||
"answeredAt": "2026-09-10T18:25:42.221Z"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — How should validateAndDispatch() handle errors?\nProject/branch/task: main — Multi-tenant Auth Refactor; validateAndDispatch() is 60 lines, three nested try/catch blocks, each catch swallows a different error class (PLAN.md:23-24).\nELI10: Right now when something goes wrong inside validation, the code catches the problem and keeps going as if nothing happened. In a login path that means a broken check can quietly pass a request through. The fix is to make every failure land in one place that always says no and always writes a log line.\nStakes if we pick wrong: A signature check or tenant lookup that throws becomes an allowed request with no trace in the logs.\nRecommendation: 4A because a flat pipeline with typed errors and one fail-closed boundary is both the safest and the easiest to test branch by branch; explicit over clever.\nCompleteness: 4A=10/10, 4B=7/10, 4C=3/10\nPros / cons:\n4A) Flatten into a linear pipeline of small steps; define typed errors (TokenError, PolicyError, TenantError, IdpError); one catch at the boundary maps every error to an explicit deny result with a structured log and metric; unknown errors also deny (human: ~1 day / CC: ~20 min) (recommended)\n ✅ Every failure path denies and is observable; no branch can silently pass a request\n ✅ Each step is a pure-ish function you can unit test in isolation, and the boundary gets one test per error class\n ❌ Callers that relied on a swallowed error to continue will now see a deny and must be updated\n4B) Keep the structure, stop swallowing: each existing catch rethrows a typed error, one outer catch denies (human: ~0.5 day / CC: ~10 min)\n ✅ Small diff on the existing function, fail-open path is closed\n ✅ No caller behavior change beyond receiving denies where errors were hidden\n ❌ Still 60 lines and three nesting levels; branch coverage stays hard to reason about\n4C) Leave as-is, add logging inside each catch (human: ~0.25 day / CC: ~5 min)\n ✅ Cheapest possible change, purely additive\n ✅ You at least see the swallowed errors in logs\n ❌ Still fail-open; logging a bypass is not preventing one\nNet: You are trading a one-function refactor for an auth dispatcher that cannot pass a request it failed to validate.",
|
||||
"header": "Error handling",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "4A Flatten + typed errors (recommended)",
|
||||
"description": "Linear pipeline, typed error classes, one fail-closed boundary with structured logging."
|
||||
},
|
||||
{
|
||||
"label": "4B Rethrow, one outer catch",
|
||||
"description": "Keep nesting but rethrow typed errors; outer catch denies."
|
||||
},
|
||||
{
|
||||
"label": "4C Log inside each catch",
|
||||
"description": "Leave structure, add logging to the swallowing catches."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — How should validateAndDispatch() handle errors?\nProject/branch/task: main — Multi-tenant Auth Refactor; validateAndDispatch() is 60 lines, three nested try/catch blocks, each catch swallows a different error class (PLAN.md:23-24).\nELI10: Right now when something goes wrong inside validation, the code catches the problem and keeps going as if nothing happened. In a login path that means a broken check can quietly pass a request through. The fix is to make every failure land in one place that always says no and always writes a log line.\nStakes if we pick wrong: A signature check or tenant lookup that throws becomes an allowed request with no trace in the logs.\nRecommendation: 4A because a flat pipeline with typed errors and one fail-closed boundary is both the safest and the easiest to test branch by branch; explicit over clever.\nCompleteness: 4A=10/10, 4B=7/10, 4C=3/10\nPros / cons:\n4A) Flatten into a linear pipeline of small steps; define typed errors (TokenError, PolicyError, TenantError, IdpError); one catch at the boundary maps every error to an explicit deny result with a structured log and metric; unknown errors also deny (human: ~1 day / CC: ~20 min) (recommended)\n ✅ Every failure path denies and is observable; no branch can silently pass a request\n ✅ Each step is a pure-ish function you can unit test in isolation, and the boundary gets one test per error class\n ❌ Callers that relied on a swallowed error to continue will now see a deny and must be updated\n4B) Keep the structure, stop swallowing: each existing catch rethrows a typed error, one outer catch denies (human: ~0.5 day / CC: ~10 min)\n ✅ Small diff on the existing function, fail-open path is closed\n ✅ No caller behavior change beyond receiving denies where errors were hidden\n ❌ Still 60 lines and three nesting levels; branch coverage stays hard to reason about\n4C) Leave as-is, add logging inside each catch (human: ~0.25 day / CC: ~5 min)\n ✅ Cheapest possible change, purely additive\n ✅ You at least see the swallowed errors in logs\n ❌ Still fail-open; logging a bypass is not preventing one\nNet: You are trading a one-function refactor for an auth dispatcher that cannot pass a request it failed to validate.": "4A Flatten + typed errors (recommended)"
|
||||
},
|
||||
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|
||||
"answeredAt": "2026-09-10T18:26:08.879Z"
|
||||
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|
||||
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|
||||
"sessionId": "9e247dab-a089-4c51-ad6d-f067e2d4e5fe",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — One cache-key builder or one per service?\nProject/branch/task: main — Multi-tenant Auth Refactor; after D2, AuthBroker reads and SessionMint writes entries keyed by tenant ID, issuer, audience, and policy version (PLAN.md:7-8).\nELI10: Both services have to spell out the exact same cache key, in the same order, with the same policy version. If they each write their own version of that logic, one typo means the reader looks in a different drawer than the writer filled. Worst case, a key that drops the tenant part lets one tenant read another tenant's cached token.\nStakes if we pick wrong: Silent cache misses at best; a cross-tenant cache hit at worst, with no test that would notice the two builders drifted.\nRecommendation: 5A because the key is a tenant-isolation boundary and DRY matters most exactly there; one builder, one test file, one place to audit.\nCompleteness: 5A=10/10, 5B=7/10, 5C=3/10\nPros / cons:\n5A) Single cacheKeyFor(tenantId, issuer, audience, policyVersion) helper plus a readPolicyVersion() helper, exported from one module, used by both services, with a test asserting every field is present and ordered (human: ~2h / CC: ~5 min) (recommended)\n ✅ Reader and writer cannot drift; the tenant field is structurally required by the signature\n ✅ One property-style test proves two different tenants never produce the same key\n ❌ One more small shared module in the diff\n5B) Shared helper for the key only; each service reads policy version itself (human: ~1h / CC: ~3 min)\n ✅ Key drift eliminated with the smallest shared surface\n ✅ No change to how services obtain policy version\n ❌ Version read can drift, which is the exact input the D2 stale-write check depends on\n5C) Each service builds its own key (human: ~0 / CC: ~0)\n ✅ No shared module, services stay fully independent\n ✅ Nothing to coordinate between the two implementers\n ❌ Two copies of a tenant-isolation boundary, the most expensive DRY violation available\nNet: You are trading a tiny shared module for a guarantee the reader and writer agree on what a tenant is.",
|
||||
"header": "DRY key",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "5A One key + version helper (recommended)",
|
||||
"description": "Shared cacheKeyFor() and readPolicyVersion(), used by both services, tested once."
|
||||
},
|
||||
{
|
||||
"label": "5B Key helper only",
|
||||
"description": "Shared key builder; each service reads policy version itself."
|
||||
},
|
||||
{
|
||||
"label": "5C Per-service keys",
|
||||
"description": "Each service builds its own key and version read."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — One cache-key builder or one per service?\nProject/branch/task: main — Multi-tenant Auth Refactor; after D2, AuthBroker reads and SessionMint writes entries keyed by tenant ID, issuer, audience, and policy version (PLAN.md:7-8).\nELI10: Both services have to spell out the exact same cache key, in the same order, with the same policy version. If they each write their own version of that logic, one typo means the reader looks in a different drawer than the writer filled. Worst case, a key that drops the tenant part lets one tenant read another tenant's cached token.\nStakes if we pick wrong: Silent cache misses at best; a cross-tenant cache hit at worst, with no test that would notice the two builders drifted.\nRecommendation: 5A because the key is a tenant-isolation boundary and DRY matters most exactly there; one builder, one test file, one place to audit.\nCompleteness: 5A=10/10, 5B=7/10, 5C=3/10\nPros / cons:\n5A) Single cacheKeyFor(tenantId, issuer, audience, policyVersion) helper plus a readPolicyVersion() helper, exported from one module, used by both services, with a test asserting every field is present and ordered (human: ~2h / CC: ~5 min) (recommended)\n ✅ Reader and writer cannot drift; the tenant field is structurally required by the signature\n ✅ One property-style test proves two different tenants never produce the same key\n ❌ One more small shared module in the diff\n5B) Shared helper for the key only; each service reads policy version itself (human: ~1h / CC: ~3 min)\n ✅ Key drift eliminated with the smallest shared surface\n ✅ No change to how services obtain policy version\n ❌ Version read can drift, which is the exact input the D2 stale-write check depends on\n5C) Each service builds its own key (human: ~0 / CC: ~0)\n ✅ No shared module, services stay fully independent\n ✅ Nothing to coordinate between the two implementers\n ❌ Two copies of a tenant-isolation boundary, the most expensive DRY violation available\nNet: You are trading a tiny shared module for a guarantee the reader and writer agree on what a tenant is.": "5A One key + version helper (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T18:26:29.009Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "9e247dab-a089-4c51-ad6d-f067e2d4e5fe",
|
||||
"toolUseId": "toolu_01CvcP53ZXZV83Hx2XKffiaV",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 — How deep does test coverage go for the auth flows?\nProject/branch/task: main — Multi-tenant Auth Refactor; plan promises unit and integration coverage for new components only (PLAN.md:14-16); coverage diagram shows 27 gaps, 7 of them flow-level.\nELI10: Unit tests prove each piece works alone. They cannot prove that revoking a token actually stops the next request, or that tenant A can never read tenant B's session, because those bugs live in how the pieces connect. Auth is where connection bugs become breaches.\nStakes if we pick wrong: A green unit suite and a cross-tenant leak or a revoked token that still works in production.\nRecommendation: 6A because with CC the extra flow tests cost minutes, and the paths they cover are exactly the ones a breach would use. Well-tested is non-negotiable.\nCompleteness: 6A=10/10, 6B=7/10, 6C=4/10\nPros / cons:\n6A) Everything in the diagram: unit tests for every branch, the CRITICAL regression suite, plus integration tests for the 7 [→E2E] flows (revocation racing mint, tenant isolation, flag routing, IDP partial failure) against a fake adapter and stubbed IDP (human: ~3 days / CC: ~45 min) (recommended)\n ✅ Every fail-closed path and every tenant boundary is asserted, not assumed\n ✅ The race from D2 gets a deterministic test using an adapter fake that delays the write\n ❌ Largest test diff; needs a fake adapter and an IDP stub harness if none exists yet\n6B) Unit tests for every branch plus the regression suite; skip the integration flows (human: ~1.5 days / CC: ~25 min)\n ✅ Every function branch covered, regression protection in place\n ✅ No new integration harness to build or maintain\n ❌ Revocation race, tenant isolation, and flag routing are only covered by inspection\n6C) Plan as written: success and error paths for new components only, plus the mandatory regression suite (human: ~1 day / CC: ~15 min)\n ✅ Smallest test effort beyond the required regression tests\n ✅ Matches the plan author's stated intent\n ❌ Fail-closed boundary, stale-write rejection, and key collision go untested\nNet: You are trading about 20 extra CC minutes for tests on the exact paths an attacker or an outage would exercise.",
|
||||
"header": "Test depth",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "6A Full diagram incl. E2E (recommended)",
|
||||
"description": "Unit for every branch + regression suite + 7 integration flows with fake adapter and IDP stub."
|
||||
},
|
||||
{
|
||||
"label": "6B Unit + regression only",
|
||||
"description": "Every branch unit-tested plus regression suite; no integration flows."
|
||||
},
|
||||
{
|
||||
"label": "6C Plan as written + regression",
|
||||
"description": "New-component success/error paths plus the mandatory regression suite."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 — How deep does test coverage go for the auth flows?\nProject/branch/task: main — Multi-tenant Auth Refactor; plan promises unit and integration coverage for new components only (PLAN.md:14-16); coverage diagram shows 27 gaps, 7 of them flow-level.\nELI10: Unit tests prove each piece works alone. They cannot prove that revoking a token actually stops the next request, or that tenant A can never read tenant B's session, because those bugs live in how the pieces connect. Auth is where connection bugs become breaches.\nStakes if we pick wrong: A green unit suite and a cross-tenant leak or a revoked token that still works in production.\nRecommendation: 6A because with CC the extra flow tests cost minutes, and the paths they cover are exactly the ones a breach would use. Well-tested is non-negotiable.\nCompleteness: 6A=10/10, 6B=7/10, 6C=4/10\nPros / cons:\n6A) Everything in the diagram: unit tests for every branch, the CRITICAL regression suite, plus integration tests for the 7 [→E2E] flows (revocation racing mint, tenant isolation, flag routing, IDP partial failure) against a fake adapter and stubbed IDP (human: ~3 days / CC: ~45 min) (recommended)\n ✅ Every fail-closed path and every tenant boundary is asserted, not assumed\n ✅ The race from D2 gets a deterministic test using an adapter fake that delays the write\n ❌ Largest test diff; needs a fake adapter and an IDP stub harness if none exists yet\n6B) Unit tests for every branch plus the regression suite; skip the integration flows (human: ~1.5 days / CC: ~25 min)\n ✅ Every function branch covered, regression protection in place\n ✅ No new integration harness to build or maintain\n ❌ Revocation race, tenant isolation, and flag routing are only covered by inspection\n6C) Plan as written: success and error paths for new components only, plus the mandatory regression suite (human: ~1 day / CC: ~15 min)\n ✅ Smallest test effort beyond the required regression tests\n ✅ Matches the plan author's stated intent\n ❌ Fail-closed boundary, stale-write rejection, and key collision go untested\nNet: You are trading about 20 extra CC minutes for tests on the exact paths an attacker or an outage would exercise.": "6A Full diagram incl. E2E (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T18:27:09.786Z"
|
||||
},
|
||||
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|
||||
"sessionId": "9e247dab-a089-4c51-ad6d-f067e2d4e5fe",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D7 — Parallelize the 5 IDP calls, and how?\nProject/branch/task: main — Multi-tenant Auth Refactor; token validation issues 5 sequential IDP calls the plan says are independent (PLAN.md:31-32).\nELI10: Every login waits for five round trips to the identity provider one after another. Firing them at once cuts login latency to roughly one round trip. But firing five at once per login also multiplies the load you put on the identity provider, and two of those five (discovery document, signing keys) rarely change and can be cached instead of fetched at all.\nStakes if we pick wrong: Either logins stay 5x slower than needed, or you trip the identity provider's rate limit under load and every tenant sees intermittent login failures.\nRecommendation: 7A because the fastest IDP call is the one you do not make; parallelize what remains, bound it with a timeout, and fail closed on any rejection.\nCompleteness: 7A=10/10, 7B=7/10, 7C=3/10\nPros / cons:\n7A) Cache the static IDP responses (discovery, JWKS) with TTL in the existing adapter; run the remaining calls with Promise.all wrapped in a per-call timeout; any rejection denies with all outcomes logged (human: ~1 day / CC: ~20 min) (recommended)\n ✅ Login latency drops to one round trip and IDP request volume drops by up to 40 percent\n ✅ A hung IDP call cannot hang the login; the timeout converts it into a clean deny\n ❌ Needs a TTL policy and a test for stale-key rotation on the cached JWKS\n7B) Promise.all on all 5 calls, no caching, no timeout wrapper (human: ~1h / CC: ~3 min)\n ✅ Trivial change, immediate latency win as the plan describes\n ✅ Fail-fast on first rejection matches the required-all semantics of auth\n ❌ 5x concurrent IDP load per login and a slow call still stalls the whole request\n7C) Leave sequential (human: ~0 / CC: ~0)\n ✅ Zero risk of new concurrency behavior\n ✅ IDP load pattern unchanged\n ❌ Every login pays five serial round trips for no reason\nNet: You are trading a TTL cache and a timeout wrapper for logins that are both faster and safer under IDP degradation.",
|
||||
"header": "Performance",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "7A Cache static + Promise.all + timeout (recommended)",
|
||||
"description": "TTL-cache discovery/JWKS; parallelize the rest with per-call timeout; any rejection denies."
|
||||
},
|
||||
{
|
||||
"label": "7B Promise.all only",
|
||||
"description": "Parallelize all 5 calls as the plan states, no caching or timeout."
|
||||
},
|
||||
{
|
||||
"label": "7C Leave sequential",
|
||||
"description": "No change to the IDP call pattern."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 — Parallelize the 5 IDP calls, and how?\nProject/branch/task: main — Multi-tenant Auth Refactor; token validation issues 5 sequential IDP calls the plan says are independent (PLAN.md:31-32).\nELI10: Every login waits for five round trips to the identity provider one after another. Firing them at once cuts login latency to roughly one round trip. But firing five at once per login also multiplies the load you put on the identity provider, and two of those five (discovery document, signing keys) rarely change and can be cached instead of fetched at all.\nStakes if we pick wrong: Either logins stay 5x slower than needed, or you trip the identity provider's rate limit under load and every tenant sees intermittent login failures.\nRecommendation: 7A because the fastest IDP call is the one you do not make; parallelize what remains, bound it with a timeout, and fail closed on any rejection.\nCompleteness: 7A=10/10, 7B=7/10, 7C=3/10\nPros / cons:\n7A) Cache the static IDP responses (discovery, JWKS) with TTL in the existing adapter; run the remaining calls with Promise.all wrapped in a per-call timeout; any rejection denies with all outcomes logged (human: ~1 day / CC: ~20 min) (recommended)\n ✅ Login latency drops to one round trip and IDP request volume drops by up to 40 percent\n ✅ A hung IDP call cannot hang the login; the timeout converts it into a clean deny\n ❌ Needs a TTL policy and a test for stale-key rotation on the cached JWKS\n7B) Promise.all on all 5 calls, no caching, no timeout wrapper (human: ~1h / CC: ~3 min)\n ✅ Trivial change, immediate latency win as the plan describes\n ✅ Fail-fast on first rejection matches the required-all semantics of auth\n ❌ 5x concurrent IDP load per login and a slow call still stalls the whole request\n7C) Leave sequential (human: ~0 / CC: ~0)\n ✅ Zero risk of new concurrency behavior\n ✅ IDP load pattern unchanged\n ❌ Every login pays five serial round trips for no reason\nNet: You are trading a TTL cache and a timeout wrapper for logins that are both faster and safer under IDP degradation.": "7A Cache static + Promise.all + timeout (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T18:27:50.057Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "9e247dab-a089-4c51-ad6d-f067e2d4e5fe",
|
||||
"toolUseId": "toolu_013HN2XTYK2fZtsbSTUWzpEc",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 — TODO: remove legacyAuthFlow() and the per-tenant flag after 100 percent rollout?\nProject/branch/task: main — Multi-tenant Auth Refactor; D3 keeps legacyAuthFlow() alive behind a per-tenant flag for the rollout release.\nELI10: Once every tenant runs on the new flow, the old login code and its flag are dead weight that someone will eventually be afraid to delete. Writing the removal down now, with the exit condition, keeps the strangler fig from becoming a permanent second code path.\nStakes if we pick wrong: Two auth paths live forever, and every future auth change has to be made and tested twice.\nRecommendation: 8A because the deletion is not this PR's job but it is this PR's debt; capture it with its trigger so it actually happens.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: Delete legacyAuthFlow(), the per-tenant new-flow flag, and the legacy branch of the regression suite once all tenants are on the new flow.\nWhy: Two auth code paths double the test and review cost of every future auth change.\nPros: One auth path; the regression suite collapses to the new flow only.\nCons: Must wait for 100 percent rollout plus a bake period; deleting early removes the rollback.\nContext: D3 chose a strangler-fig rollout. The regression suite from Section 3 runs against both paths during rollout. Exit condition: all tenants flagged on, no flag flips for one full release cycle.\nDepends on: 100 percent tenant rollout of the new flow.\nPros / cons:\n8A) Add to TODOS.md with the exit condition above (human: ~5 min / CC: ~1 min) (recommended)\n ✅ The debt and its trigger are written down where /retro and /ship will surface it\n ✅ Nobody has to remember why the flag exists six months from now\n ❌ TODOS.md does not exist yet in this repo, so this creates it\n8B) Skip, not valuable enough (human: ~0 / CC: ~0)\n ✅ No new file in the repo\n ✅ Team may already track cleanup elsewhere\n ❌ Legacy path and flag risk becoming permanent by default\n8C) Build it now: delete legacyAuthFlow() in this PR (human: ~0 / CC: ~0)\n ✅ One code path immediately, smallest long-term surface\n ✅ No follow-up to track\n ❌ Reverses D3; removes the rollback path before the new flow has seen production\nNet: You are trading one TODO entry for a guaranteed end date on the dual-path release.",
|
||||
"header": "TODO",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "8A Add to TODOS.md (recommended)",
|
||||
"description": "Capture legacy removal with its 100 percent rollout exit condition."
|
||||
},
|
||||
{
|
||||
"label": "8B Skip",
|
||||
"description": "Do not record the follow-up."
|
||||
},
|
||||
{
|
||||
"label": "8C Build it now",
|
||||
"description": "Delete legacyAuthFlow() in this PR, reversing D3."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 — TODO: remove legacyAuthFlow() and the per-tenant flag after 100 percent rollout?\nProject/branch/task: main — Multi-tenant Auth Refactor; D3 keeps legacyAuthFlow() alive behind a per-tenant flag for the rollout release.\nELI10: Once every tenant runs on the new flow, the old login code and its flag are dead weight that someone will eventually be afraid to delete. Writing the removal down now, with the exit condition, keeps the strangler fig from becoming a permanent second code path.\nStakes if we pick wrong: Two auth paths live forever, and every future auth change has to be made and tested twice.\nRecommendation: 8A because the deletion is not this PR's job but it is this PR's debt; capture it with its trigger so it actually happens.\nNote: options differ in kind, not coverage — no completeness score.\nWhat: Delete legacyAuthFlow(), the per-tenant new-flow flag, and the legacy branch of the regression suite once all tenants are on the new flow.\nWhy: Two auth code paths double the test and review cost of every future auth change.\nPros: One auth path; the regression suite collapses to the new flow only.\nCons: Must wait for 100 percent rollout plus a bake period; deleting early removes the rollback.\nContext: D3 chose a strangler-fig rollout. The regression suite from Section 3 runs against both paths during rollout. Exit condition: all tenants flagged on, no flag flips for one full release cycle.\nDepends on: 100 percent tenant rollout of the new flow.\nPros / cons:\n8A) Add to TODOS.md with the exit condition above (human: ~5 min / CC: ~1 min) (recommended)\n ✅ The debt and its trigger are written down where /retro and /ship will surface it\n ✅ Nobody has to remember why the flag exists six months from now\n ❌ TODOS.md does not exist yet in this repo, so this creates it\n8B) Skip, not valuable enough (human: ~0 / CC: ~0)\n ✅ No new file in the repo\n ✅ Team may already track cleanup elsewhere\n ❌ Legacy path and flag risk becoming permanent by default\n8C) Build it now: delete legacyAuthFlow() in this PR (human: ~0 / CC: ~0)\n ✅ One code path immediately, smallest long-term surface\n ✅ No follow-up to track\n ❌ Reverses D3; removes the rollback path before the new flow has seen production\nNet: You are trading one TODO entry for a guaranteed end date on the dual-path release.": "8A Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T18:28:20.760Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "9e247dab-a089-4c51-ad6d-f067e2d4e5fe",
|
||||
"toolUseId": "toolu_019cfb6mC6vMWudY5ZukLHzh",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D9 — Which auth path runs when the per-tenant flag store is unreachable?\nProject/branch/task: main — Multi-tenant Auth Refactor; D3 routes each tenant to the new flow or legacyAuthFlow() by a per-tenant flag.\nELI10: The flag lookup is one more thing that can fail during login. If the flag service times out, the code has to pick a path anyway. Picking the old, proven path keeps users logged in during a flag outage; denying everyone is safer against a half-configured new flow but turns a flag outage into an auth outage.\nStakes if we pick wrong: Either a flag-service blip logs every tenant out, or a tenant already migrated silently falls back to a legacy path that no longer matches its config.\nRecommendation: 9A because the legacy path is the known-good path for the whole rollout window, and the fallback is loud, bounded, and tested.\nCompleteness: 9A=10/10, 9B=7/10, 9C=3/10\nPros / cons:\n9A) Fall back to legacyAuthFlow() on flag lookup failure, with a short lookup timeout, a warn-level structured log, a metric, and an integration test that stubs the flag store as down (human: ~3h / CC: ~8 min) (recommended)\n ✅ A flag-store outage degrades to yesterday's behavior instead of an auth outage\n ✅ The fallback is visible in metrics so a stuck fallback cannot hide for days\n ❌ Tenants already migrated briefly run legacy during the outage; acceptable only while legacy still exists\n9B) Fall back to legacy, no dedicated test or metric (human: ~1h / CC: ~3 min)\n ✅ Same availability behavior with less plumbing\n ✅ Smallest diff to the router\n ❌ A permanently failing flag lookup would silently pin everyone to legacy\n9C) Deny on flag lookup failure (human: ~1h / CC: ~3 min)\n ✅ Strictly fail-closed; no request ever runs a path it was not configured for\n ✅ Simplest to reason about from a security standpoint\n ❌ Converts a flag-service blip into a total login outage for all tenants\nNet: You are trading a few lines of timeout and metric plumbing for a flag outage that users never notice.",
|
||||
"header": "Flag failure",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "9A Legacy fallback + metric + test (recommended)",
|
||||
"description": "Timeout on lookup, fall back to legacyAuthFlow(), warn log, metric, stubbed-down integration test."
|
||||
},
|
||||
{
|
||||
"label": "9B Legacy fallback only",
|
||||
"description": "Fall back to legacy on lookup failure, no metric or dedicated test."
|
||||
},
|
||||
{
|
||||
"label": "9C Deny on failure",
|
||||
"description": "Fail closed: deny every request while the flag store is unreachable."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D9 — Which auth path runs when the per-tenant flag store is unreachable?\nProject/branch/task: main — Multi-tenant Auth Refactor; D3 routes each tenant to the new flow or legacyAuthFlow() by a per-tenant flag.\nELI10: The flag lookup is one more thing that can fail during login. If the flag service times out, the code has to pick a path anyway. Picking the old, proven path keeps users logged in during a flag outage; denying everyone is safer against a half-configured new flow but turns a flag outage into an auth outage.\nStakes if we pick wrong: Either a flag-service blip logs every tenant out, or a tenant already migrated silently falls back to a legacy path that no longer matches its config.\nRecommendation: 9A because the legacy path is the known-good path for the whole rollout window, and the fallback is loud, bounded, and tested.\nCompleteness: 9A=10/10, 9B=7/10, 9C=3/10\nPros / cons:\n9A) Fall back to legacyAuthFlow() on flag lookup failure, with a short lookup timeout, a warn-level structured log, a metric, and an integration test that stubs the flag store as down (human: ~3h / CC: ~8 min) (recommended)\n ✅ A flag-store outage degrades to yesterday's behavior instead of an auth outage\n ✅ The fallback is visible in metrics so a stuck fallback cannot hide for days\n ❌ Tenants already migrated briefly run legacy during the outage; acceptable only while legacy still exists\n9B) Fall back to legacy, no dedicated test or metric (human: ~1h / CC: ~3 min)\n ✅ Same availability behavior with less plumbing\n ✅ Smallest diff to the router\n ❌ A permanently failing flag lookup would silently pin everyone to legacy\n9C) Deny on flag lookup failure (human: ~1h / CC: ~3 min)\n ✅ Strictly fail-closed; no request ever runs a path it was not configured for\n ✅ Simplest to reason about from a security standpoint\n ❌ Converts a flag-service blip into a total login outage for all tenants\nNet: You are trading a few lines of timeout and metric plumbing for a flag outage that users never notice.": "9A Legacy fallback + metric + test (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T18:29:01.552Z"
|
||||
}
|
||||
]
|
||||
}
|
||||
-340
@@ -1,340 +0,0 @@
|
||||
{
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_01KzpSw53smXgQvmopWUoaBD",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D1 — Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: plan-review fixture repo on main, about to eng-review PLAN.md.\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules, so requests like \"review the architecture\" auto-route to the right skill. This is one-time onboarding. Note: we are in plan mode, so if you pick A the CLAUDE.md edit and commit happen after the review, once plan mode exits.\nStakes if we pick wrong: without rules you invoke skills by hand each time; with rules a fixture repo gets an extra committed section it may not want.\nRecommendation: A because routing rules cost one paragraph and save a manual skill invocation on every future request.\nNote: options differ in kind, not coverage — no completeness score.\nNet: convenience on every future request vs. one extra section in a fixture CLAUDE.md.": "Add routing rules (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:41:53.155Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Routing",
|
||||
"question": "D1 — Add gstack skill routing rules to this project's CLAUDE.md?\nProject/branch/task: plan-review fixture repo on main, about to eng-review PLAN.md.\nELI10: gstack works best when your project's CLAUDE.md includes skill routing rules, so requests like \"review the architecture\" auto-route to the right skill. This is one-time onboarding. Note: we are in plan mode, so if you pick A the CLAUDE.md edit and commit happen after the review, once plan mode exits.\nStakes if we pick wrong: without rules you invoke skills by hand each time; with rules a fixture repo gets an extra committed section it may not want.\nRecommendation: A because routing rules cost one paragraph and save a manual skill invocation on every future request.\nNote: options differ in kind, not coverage — no completeness score.\nNet: convenience on every future request vs. one extra section in a fixture CLAUDE.md.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Add routing rules (recommended)",
|
||||
"description": "✅ Future requests like 'review the plan' auto-route to the right gstack skill without typing it\n✅ One appended section, committed once; nothing else in CLAUDE.md changes\n❌ Adds a gstack-specific section to a fixture repo's CLAUDE.md; deferred until plan mode exits"
|
||||
},
|
||||
{
|
||||
"label": "No thanks, manual skills",
|
||||
"description": "✅ CLAUDE.md stays exactly as-is; no commit to this fixture repo\n✅ Re-enable any time via gstack-config set routing_declined false\n❌ You type /skill-name by hand every time; no auto-routing from natural-language requests"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_017bpNtX2D5ScVrfDnVymy1d",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 — Run /office-hours first, or proceed with the standard eng review?\nProject/branch/task: fixture repo on main, eng-reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: No design doc found for this branch. /office-hours produces a structured problem statement, premise challenge, and explored alternatives, which gives this review much sharper input to work with. Takes about 10 minutes. The design doc is per-feature, not per-product: it captures the thinking behind this specific change. Without it, I review the plan as written and infer the goal from its text.\nStakes if we pick wrong: skipping means the review may critique mechanics without knowing which constraints (multi-tenant isolation, legacy compatibility) are load-bearing; running it costs ~10 minutes before any review output.\nRecommendation: B because the plan already states its constraints and the user asked for the reviewed plan written to a specific path now; the 10-minute detour delays that deliverable.\nNote: options differ in kind, not coverage — no completeness score.\nNet: sharper problem framing now vs. getting the requested reviewed plan sooner.": "Skip, standard review (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:42:15.259Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Design doc",
|
||||
"question": "D2 — Run /office-hours first, or proceed with the standard eng review?\nProject/branch/task: fixture repo on main, eng-reviewing PLAN.md (Multi-tenant Auth Refactor).\nELI10: No design doc found for this branch. /office-hours produces a structured problem statement, premise challenge, and explored alternatives, which gives this review much sharper input to work with. Takes about 10 minutes. The design doc is per-feature, not per-product: it captures the thinking behind this specific change. Without it, I review the plan as written and infer the goal from its text.\nStakes if we pick wrong: skipping means the review may critique mechanics without knowing which constraints (multi-tenant isolation, legacy compatibility) are load-bearing; running it costs ~10 minutes before any review output.\nRecommendation: B because the plan already states its constraints and the user asked for the reviewed plan written to a specific path now; the 10-minute detour delays that deliverable.\nNote: options differ in kind, not coverage — no completeness score.\nNet: sharper problem framing now vs. getting the requested reviewed plan sooner.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Skip, standard review (recommended)",
|
||||
"description": "✅ Review starts now against PLAN.md; the requested deliverable lands sooner (human: ~0 / CC: ~0 extra)\n✅ The plan text already names its constraints: tenant-keyed cache, retained adapter, legacy rewrite\n❌ The review infers the problem statement from plan text instead of an explicit design doc"
|
||||
},
|
||||
{
|
||||
"label": "Run /office-hours now",
|
||||
"description": "✅ Produces a problem statement, premise challenge, and alternatives before any architecture critique\n✅ Captures why a facade plus two new services beats extending the existing adapter directly\n❌ About 10 minutes of extra questions before the eng review begins (human: ~10 min / CC: ~10 min)"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_01EQFZia6LP3jSX9V43i4syw",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Step 0 complexity check: 12 files and 5 new components. Reduce scope or proceed as-is?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor.\nELI10: The plan adds TokenStore, SessionMint, AuthCache, RequestPolicy (PLAN.md:35) plus AuthBroker (PLAN.md:19), so five new components, not the four it counts. AuthCache is described as a facade (a thin wrapper that only forwards calls) over the existing cache adapter with the same rules (PLAN.md:11), so it adds a layer without adding behavior. TokenStore and RequestPolicy have no stated responsibility anywhere in the plan. Auth refactors have the widest blast radius in the codebase: every request passes through them, so every extra moving part is one more place a 3am bug can hide.\nStakes if we pick wrong: over-reduce and you re-add the classes mid-implementation; proceed blind and you ship two unjustified classes plus a passthrough facade into the hottest path in the system.\nRecommendation: A because the goal (two new services over the existing tenant-keyed cache) is reachable with AuthBroker + SessionMint taking the existing adapter as a constructor dependency; TokenStore and RequestPolicy return only if the plan states a job the adapter cannot do. This is the 'engineered enough' bar: no premature abstraction, smallest diff that cleanly expresses the change.\nNote: options differ in kind, not coverage — no completeness score.\nNet: fewer classes on the hottest path vs. keeping seams you may want later but cannot justify today.": "A) Reduce to 2 new services (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:43:01.493Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Scope",
|
||||
"question": "D3 — Step 0 complexity check: 12 files and 5 new components. Reduce scope or proceed as-is?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor.\nELI10: The plan adds TokenStore, SessionMint, AuthCache, RequestPolicy (PLAN.md:35) plus AuthBroker (PLAN.md:19), so five new components, not the four it counts. AuthCache is described as a facade (a thin wrapper that only forwards calls) over the existing cache adapter with the same rules (PLAN.md:11), so it adds a layer without adding behavior. TokenStore and RequestPolicy have no stated responsibility anywhere in the plan. Auth refactors have the widest blast radius in the codebase: every request passes through them, so every extra moving part is one more place a 3am bug can hide.\nStakes if we pick wrong: over-reduce and you re-add the classes mid-implementation; proceed blind and you ship two unjustified classes plus a passthrough facade into the hottest path in the system.\nRecommendation: A because the goal (two new services over the existing tenant-keyed cache) is reachable with AuthBroker + SessionMint taking the existing adapter as a constructor dependency; TokenStore and RequestPolicy return only if the plan states a job the adapter cannot do. This is the 'engineered enough' bar: no premature abstraction, smallest diff that cleanly expresses the change.\nNote: options differ in kind, not coverage — no completeness score.\nNet: fewer classes on the hottest path vs. keeping seams you may want later but cannot justify today.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Reduce to 2 new services (recommended)",
|
||||
"description": "✅ AuthBroker + SessionMint take the existing adapter by constructor injection; no AuthCache facade, no global (human: ~1 day / CC: ~20 min)\n✅ TokenStore and RequestPolicy come back only with a written one-line responsibility the adapter cannot cover\n❌ If those two classes had a real unstated job, the plan needs a revision before coding starts"
|
||||
},
|
||||
{
|
||||
"label": "B) Proceed as-is, 5 components",
|
||||
"description": "✅ Keeps every seam the author envisioned; no plan rewrite before implementation begins\n✅ The review still hardens each component below (global mutable state, error handling, tests)\n❌ Ships a passthrough facade and two unjustified classes into the auth hot path; 12-file blast radius stays"
|
||||
},
|
||||
{
|
||||
"label": "C) Keep 5, but justify each first",
|
||||
"description": "✅ Every new class gets a one-line responsibility and a 'why not the existing adapter' note in the plan (human: ~2h / CC: ~5 min)\n✅ Forces the author to discover whether TokenStore/RequestPolicy are real before code exists\n❌ Likely converges on A after the writing exercise, so it costs a round trip for the same result"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_01KYS6aaw1unqiUnYn6G6XhP",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main, eng-reviewing PLAN.md; one-time gstack setting before the Prior Learnings step.\nELI10: gstack can search learnings from your other projects on this machine to find patterns that might apply here. This stays local (no data leaves your machine). Recommended for solo developers. Skip if you work on multiple client codebases where cross-contamination would be a concern.\nStakes if we pick wrong: enabled on a multi-client machine, a learning from client A could color a recommendation for client B; disabled on a solo machine, you re-learn the same pitfalls per repo.\nRecommendation: A because a shared machine with one owner benefits from every past auth-refactor lesson, and the setting flips back with one command.\nNote: options differ in kind, not coverage — no completeness score.\nNet: broader recall of past lessons vs. strict per-project isolation.": "A) Enable cross-project (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:43:53.796Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Learnings",
|
||||
"question": "D4 — Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main, eng-reviewing PLAN.md; one-time gstack setting before the Prior Learnings step.\nELI10: gstack can search learnings from your other projects on this machine to find patterns that might apply here. This stays local (no data leaves your machine). Recommended for solo developers. Skip if you work on multiple client codebases where cross-contamination would be a concern.\nStakes if we pick wrong: enabled on a multi-client machine, a learning from client A could color a recommendation for client B; disabled on a solo machine, you re-learn the same pitfalls per repo.\nRecommendation: A because a shared machine with one owner benefits from every past auth-refactor lesson, and the setting flips back with one command.\nNote: options differ in kind, not coverage — no completeness score.\nNet: broader recall of past lessons vs. strict per-project isolation.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Enable cross-project (recommended)",
|
||||
"description": "✅ Past pitfalls from any repo on this machine surface during this and future reviews\n✅ Fully local search; nothing is uploaded, and gstack-config flips it off any time\n❌ On a machine with multiple clients' code, a lesson from one codebase can leak into another's review"
|
||||
},
|
||||
{
|
||||
"label": "B) Keep project-scoped only",
|
||||
"description": "✅ Strict isolation: only this project's learnings ever influence this project's reviews\n✅ Safe default for consultants or anyone holding several clients' repos\n❌ Fresh project means zero prior learnings today; the same pitfalls get rediscovered per repo"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_01RiKoV7EBzMXXokXQw72pJt",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Architecture issue 1: two services write the same tenant-keyed cache with no serialized mutations. Who owns writes?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, scope reduced to AuthBroker + SessionMint over the injected existing adapter.\n[P1] (confidence: 8/10) PLAN.md:19-20 'Both services mutate it' + PLAN.md:10 'they do not serialize mutations'.\nELI10: Two services writing the same cache entry at the same time is a race. The dangerous case here: a tenant gets suspended (the adapter invalidates its entries) while AuthBroker is mid-validation and then writes the just-validated token back a few milliseconds later. The suspended tenant keeps working until the token expires. In a multi-tenant auth system that is a security bug, not a glitch. Nothing in the plan says which service is allowed to write, or how a write that lost the race to an invalidation is rejected.\nStakes if we pick wrong: revoked or suspended tenants stay authenticated for up to a full token lifetime, and the failure is silent and intermittent, so it surfaces as a customer escalation rather than a test failure.\nRecommendation: A because 'explicit over clever' says name one writer in code rather than coordinate two with a lock, and 'handle more edge cases' says close the invalidate-then-rewrite window with a per-tenant generation check instead of hoping timing works out.\nCompleteness: A=9/10, B=7/10, C=3/10\nNet: one explicit owner plus a cheap generation check vs. two writers coordinated by locking that only holds within one process.": "1A) Single writer + generation check (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:44:30.001Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Arch issue 1",
|
||||
"question": "D5 — Architecture issue 1: two services write the same tenant-keyed cache with no serialized mutations. Who owns writes?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor, scope reduced to AuthBroker + SessionMint over the injected existing adapter.\n[P1] (confidence: 8/10) PLAN.md:19-20 'Both services mutate it' + PLAN.md:10 'they do not serialize mutations'.\nELI10: Two services writing the same cache entry at the same time is a race. The dangerous case here: a tenant gets suspended (the adapter invalidates its entries) while AuthBroker is mid-validation and then writes the just-validated token back a few milliseconds later. The suspended tenant keeps working until the token expires. In a multi-tenant auth system that is a security bug, not a glitch. Nothing in the plan says which service is allowed to write, or how a write that lost the race to an invalidation is rejected.\nStakes if we pick wrong: revoked or suspended tenants stay authenticated for up to a full token lifetime, and the failure is silent and intermittent, so it surfaces as a customer escalation rather than a test failure.\nRecommendation: A because 'explicit over clever' says name one writer in code rather than coordinate two with a lock, and 'handle more edge cases' says close the invalidate-then-rewrite window with a per-tenant generation check instead of hoping timing works out.\nCompleteness: A=9/10, B=7/10, C=3/10\nNet: one explicit owner plus a cheap generation check vs. two writers coordinated by locking that only holds within one process.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A) Single writer + generation check (recommended)",
|
||||
"description": "✅ AuthBroker is the only service that writes validated entries; SessionMint reads and triggers the adapter's existing invalidation hooks only (human: ~1 day / CC: ~30 min)\n✅ Each write carries the tenant generation read at validation start; the adapter rejects a write whose generation is stale, closing the invalidate-then-rewrite window across processes\n❌ Adds one generation counter per tenant to the adapter, so the 'adapter unchanged' promise at PLAN.md:12-13 becomes 'adapter extended, existing tests untouched'"
|
||||
},
|
||||
{
|
||||
"label": "1B) Both write, per-key async mutex",
|
||||
"description": "✅ Keeps both services able to write; a keyed in-process lock serializes same-key mutations (human: ~half day / CC: ~15 min)\n✅ No change to the adapter's storage shape or its existing tests\n❌ A process-local lock does nothing across two app instances behind a load balancer, so the suspension race survives in production"
|
||||
},
|
||||
{
|
||||
"label": "1C) Do nothing, as planned",
|
||||
"description": "✅ Zero extra work; matches the plan text exactly (human: 0 / CC: 0)\n✅ Fine if the deployment is provably single-instance and suspensions are rare\n❌ Suspended or revoked tenants can be re-cached as valid; silent, intermittent, and a security finding waiting for an audit"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_015JFhxiEZCWCcee7kSLw6sD",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 — Architecture issue 2: legacyAuthFlow() is rewritten in place with no cutover strategy. Big bang or strangler fig?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; the new AuthBroker path replaces the legacy flow.\n[P1] (confidence: 8/10) PLAN.md:27-28 'legacyAuthFlow() will get rewritten as part of this work' with no flag, rollout, or rollback described.\nELI10: Strangler fig means you grow the new code path next to the old one, route a slice of traffic to it, compare, and only remove the old path once the new one has proven itself. The plan instead deletes the working login path and replaces it in one deploy. If the new path has a bug for one tenant's IDP configuration, every user of every tenant is locked out at once and the only rollback is a redeploy. Auth is the one place where 'make the cost of being wrong low' matters most: a bad deploy here is a full outage, not a degraded feature.\nStakes if we pick wrong: a full-tenant login outage with redeploy as the only recovery, versus a few extra days keeping two paths alive behind a flag.\nRecommendation: A because incremental over revolutionary is the rule for auth, and with CC the shadow-compare harness costs minutes, not the days it would cost a human team; the regression test the Tests section already mandates becomes the shadow comparator's assertion set.\nCompleteness: A=9/10, B=7/10, C=3/10\nNet: a reversible, observable cutover vs. one deploy that has to be right the first time.": "2A) Flag + shadow compare + staged rollout (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:45:02.194Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Arch issue 2",
|
||||
"question": "D6 — Architecture issue 2: legacyAuthFlow() is rewritten in place with no cutover strategy. Big bang or strangler fig?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; the new AuthBroker path replaces the legacy flow.\n[P1] (confidence: 8/10) PLAN.md:27-28 'legacyAuthFlow() will get rewritten as part of this work' with no flag, rollout, or rollback described.\nELI10: Strangler fig means you grow the new code path next to the old one, route a slice of traffic to it, compare, and only remove the old path once the new one has proven itself. The plan instead deletes the working login path and replaces it in one deploy. If the new path has a bug for one tenant's IDP configuration, every user of every tenant is locked out at once and the only rollback is a redeploy. Auth is the one place where 'make the cost of being wrong low' matters most: a bad deploy here is a full outage, not a degraded feature.\nStakes if we pick wrong: a full-tenant login outage with redeploy as the only recovery, versus a few extra days keeping two paths alive behind a flag.\nRecommendation: A because incremental over revolutionary is the rule for auth, and with CC the shadow-compare harness costs minutes, not the days it would cost a human team; the regression test the Tests section already mandates becomes the shadow comparator's assertion set.\nCompleteness: A=9/10, B=7/10, C=3/10\nNet: a reversible, observable cutover vs. one deploy that has to be right the first time.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "2A) Flag + shadow compare + staged rollout (recommended)",
|
||||
"description": "✅ Feature flag routes per tenant; shadow mode runs both paths and logs any decision mismatch before real traffic moves (human: ~3 days / CC: ~45 min)\n✅ Rollout 1% to 100% per tenant with the legacy path as instant rollback; legacy deleted only after a bake period\n❌ Two auth paths live for weeks, so mismatch logging and the flag cleanup are real follow-up work"
|
||||
},
|
||||
{
|
||||
"label": "2B) Kill-switch flag only",
|
||||
"description": "✅ One boolean flag flips between new and legacy; rollback is a config change, not a deploy (human: ~half day / CC: ~10 min)\n✅ No dual-execution cost per request and nothing to compare\n❌ You learn about behavior differences from locked-out users rather than from shadow logs"
|
||||
},
|
||||
{
|
||||
"label": "2C) Rewrite in place, as planned",
|
||||
"description": "✅ Smallest diff and no flag plumbing; the legacy function simply becomes the new one (human: 0 extra / CC: 0)\n✅ No dual-path maintenance window at all\n❌ A single deploy is the cutover; any tenant-specific bug is an all-tenant outage with redeploy as the only fix"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_01GgL1Hj9Zw3ZUhDx5CNn2dB",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D7 — Code quality issue 3: validateAndDispatch() is 60 lines with three nested try/catch blocks, each swallowing a different error class. How should it be restructured?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; this function sits on the request path of AuthBroker.\n[P1] (confidence: 9/10) PLAN.md:23-24 'three nested try/catch blocks; each catch swallows a different error class' (stated in the plan itself).\nELI10: Swallowing an error means catching it and carrying on as if nothing happened. In an auth dispatcher that is the worst possible default: a validation failure that gets swallowed looks exactly like a validation success to the caller. Three nested catches also means a real bug can be caught by the wrong layer and mis-classified. Whoever debugs this at 3am sees a request that 'succeeded' with no token and no log line.\nStakes if we pick wrong: silent auth failures that either lock users out with no error message or, worse, let a request through that should have been rejected, with no trace in the logs.\nRecommendation: A because 'explicit over clever' and 'more edge cases' both point to one flat error boundary that maps each named error class to a visible outcome; a 60-line function doing two jobs (validate, dispatch) is also the DRY split you would ask for on any other file.\nCompleteness: A=9/10, B=7/10, C=3/10\nNet: two small explicit functions with every error visible vs. keeping the shape and just adding logging.": "3A) Split + typed errors + one boundary (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:45:28.353Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Code quality 3",
|
||||
"question": "D7 — Code quality issue 3: validateAndDispatch() is 60 lines with three nested try/catch blocks, each swallowing a different error class. How should it be restructured?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; this function sits on the request path of AuthBroker.\n[P1] (confidence: 9/10) PLAN.md:23-24 'three nested try/catch blocks; each catch swallows a different error class' (stated in the plan itself).\nELI10: Swallowing an error means catching it and carrying on as if nothing happened. In an auth dispatcher that is the worst possible default: a validation failure that gets swallowed looks exactly like a validation success to the caller. Three nested catches also means a real bug can be caught by the wrong layer and mis-classified. Whoever debugs this at 3am sees a request that 'succeeded' with no token and no log line.\nStakes if we pick wrong: silent auth failures that either lock users out with no error message or, worse, let a request through that should have been rejected, with no trace in the logs.\nRecommendation: A because 'explicit over clever' and 'more edge cases' both point to one flat error boundary that maps each named error class to a visible outcome; a 60-line function doing two jobs (validate, dispatch) is also the DRY split you would ask for on any other file.\nCompleteness: A=9/10, B=7/10, C=3/10\nNet: two small explicit functions with every error visible vs. keeping the shape and just adding logging.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3A) Split + typed errors + one boundary (recommended)",
|
||||
"description": "✅ validate() and dispatch() as separate functions; a single boundary maps ValidationError, IdpError, PolicyError to explicit results and logs each with tenant context (human: ~1 day / CC: ~20 min)\n✅ Nothing is swallowed: unknown errors propagate, known ones produce a typed rejection the caller must handle\n❌ Touches every caller of validateAndDispatch(), so the regression test must cover the old call signature too"
|
||||
},
|
||||
{
|
||||
"label": "3B) Keep shape, stop swallowing",
|
||||
"description": "✅ Each existing catch logs with context and rethrows or returns a typed failure; smallest diff (human: ~2h / CC: ~5 min)\n✅ No caller changes, no signature change\n❌ Still 60 lines and three nested layers, so the wrong-layer-catches-it hazard remains"
|
||||
},
|
||||
{
|
||||
"label": "3C) Leave as-is",
|
||||
"description": "✅ Zero work; function keeps working the way it does today (human: 0 / CC: 0)\n✅ No risk of introducing a new bug in a refactor\n❌ Silent auth failures stay silent; the plan is already flagging this as debt"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_016o6Z3t8Gfny6F3GGsTx36g",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 — Test issue 4: planned coverage is success/error paths for new components only. How deep should the new-component test set go?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; the legacyAuthFlow regression test is already mandatory and not part of this question.\n[P1] (confidence: 8/10) PLAN.md:14-16 'coverage is planned for the new components and their success/error paths' with no concurrency, tenant-isolation, partial-IDP-failure, or rollout-flag tests named.\nELI10: The bugs that actually hurt in multi-tenant auth are not 'wrong input returns an error'. They are: two requests racing on the same cache key, tenant A reading tenant B's entry, three of five IDP calls succeeding and two timing out, and the feature flag routing a tenant to the wrong path. None of those appear in a success/error-path test list. With CC, each of those tests is minutes of work, and every decision approved so far (single writer, generation check, shadow compare, typed error boundary) needs its own proof.\nStakes if we pick wrong: the approved fixes ship unverified and the first proof they work is a production incident; the alternative cost is an afternoon of extra tests.\nRecommendation: A because 'too many tests over too few' is your stated bar and every gap listed maps to a decision already approved in this review.\nCompleteness: A=10/10, B=7/10\nNet: prove every approved hardening vs. trust that success/error-path tests imply the rest.": "4A) Full edge, race, and isolation set (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:46:04.575Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Tests 4",
|
||||
"question": "D8 — Test issue 4: planned coverage is success/error paths for new components only. How deep should the new-component test set go?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; the legacyAuthFlow regression test is already mandatory and not part of this question.\n[P1] (confidence: 8/10) PLAN.md:14-16 'coverage is planned for the new components and their success/error paths' with no concurrency, tenant-isolation, partial-IDP-failure, or rollout-flag tests named.\nELI10: The bugs that actually hurt in multi-tenant auth are not 'wrong input returns an error'. They are: two requests racing on the same cache key, tenant A reading tenant B's entry, three of five IDP calls succeeding and two timing out, and the feature flag routing a tenant to the wrong path. None of those appear in a success/error-path test list. With CC, each of those tests is minutes of work, and every decision approved so far (single writer, generation check, shadow compare, typed error boundary) needs its own proof.\nStakes if we pick wrong: the approved fixes ship unverified and the first proof they work is a production incident; the alternative cost is an afternoon of extra tests.\nRecommendation: A because 'too many tests over too few' is your stated bar and every gap listed maps to a decision already approved in this review.\nCompleteness: A=10/10, B=7/10\nNet: prove every approved hardening vs. trust that success/error-path tests imply the rest.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "4A) Full edge, race, and isolation set (recommended)",
|
||||
"description": "✅ Adds: stale-generation write rejected; suspension during validation; tenant A cannot read tenant B [→E2E]; 4-of-5 IDP calls succeed; each typed error reaches the boundary; flag routes and shadow logs mismatches (human: ~2 days / CC: ~40 min)\n✅ Every decision approved in this review gets a test that fails if it regresses\n❌ Roughly a dozen more test cases to maintain alongside the new services"
|
||||
},
|
||||
{
|
||||
"label": "4B) Success/error paths only, as planned",
|
||||
"description": "✅ Matches the plan text; fastest to write (human: ~half day / CC: ~10 min)\n✅ Covers the obvious inputs for AuthBroker and SessionMint\n❌ Races, isolation, partial IDP failure, and flag routing stay untested; the approved fixes have no proof"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
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|
||||
"toolUseId": "toolu_01H2DVrEKV6qrARsN8q2QiNu",
|
||||
"answered": true,
|
||||
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|
||||
"answers": {
|
||||
"D9 — Performance issue 5: token validation makes 5 sequential IDP calls. Plain Promise.all, or Promise.all with timeouts and caching of the cacheable calls?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; this is the latency on every authenticated request that misses cache.\n[P2] (confidence: 8/10) PLAN.md:31-32 '5 sequential API calls to the IDP; they could be parallelized via Promise.all trivially (calls are independent)'.\nELI10: Running the five calls at once cuts the wait from five round trips to one, which the plan already sees. What the plan does not say: Promise.all rejects the moment any one call fails, and a call with no timeout can hang the whole login forever. Also, some of those five calls (IDP discovery document, signing keys) return the same answer for every user of a tenant for hours; the existing adapter is already keyed by tenant, issuer, and audience, so those results can be cached instead of fetched on every miss. That turns five network calls into two or three.\nStakes if we pick wrong: a hung IDP endpoint hangs every login with no error, and every cache miss pays for five calls when two would do.\nRecommendation: A because fail-fast is correct for login steps (all five must succeed), a per-call timeout is the difference between 'slow' and 'stuck', and reusing the existing adapter for discovery and key material is the reuse ladder's first rung.\nCompleteness: A=9/10, B=7/10, C=3/10\nNet: parallel with bounded time and fewer calls vs. parallel but unbounded and still five calls.": "5A) Promise.all + per-call timeout + cache cacheable calls (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:46:48.863Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Perf 5",
|
||||
"question": "D9 — Performance issue 5: token validation makes 5 sequential IDP calls. Plain Promise.all, or Promise.all with timeouts and caching of the cacheable calls?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; this is the latency on every authenticated request that misses cache.\n[P2] (confidence: 8/10) PLAN.md:31-32 '5 sequential API calls to the IDP; they could be parallelized via Promise.all trivially (calls are independent)'.\nELI10: Running the five calls at once cuts the wait from five round trips to one, which the plan already sees. What the plan does not say: Promise.all rejects the moment any one call fails, and a call with no timeout can hang the whole login forever. Also, some of those five calls (IDP discovery document, signing keys) return the same answer for every user of a tenant for hours; the existing adapter is already keyed by tenant, issuer, and audience, so those results can be cached instead of fetched on every miss. That turns five network calls into two or three.\nStakes if we pick wrong: a hung IDP endpoint hangs every login with no error, and every cache miss pays for five calls when two would do.\nRecommendation: A because fail-fast is correct for login steps (all five must succeed), a per-call timeout is the difference between 'slow' and 'stuck', and reusing the existing adapter for discovery and key material is the reuse ladder's first rung.\nCompleteness: A=9/10, B=7/10, C=3/10\nNet: parallel with bounded time and fewer calls vs. parallel but unbounded and still five calls.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "5A) Promise.all + per-call timeout + cache cacheable calls (recommended)",
|
||||
"description": "✅ AbortController timeout on each IDP call; one typed IdpError with which call failed and why (human: ~1 day / CC: ~20 min)\n✅ Discovery and signing-key responses cached through the existing tenant/issuer-keyed adapter with their own TTL, so most misses make 2-3 calls, not 5\n❌ Adds cache entries for non-token data to the adapter, so tests must cover their TTL and invalidation on issuer change"
|
||||
},
|
||||
{
|
||||
"label": "5B) Promise.all only, as planned",
|
||||
"description": "✅ One-line change; latency drops from 5 round trips to 1 immediately (human: ~1h / CC: ~2 min)\n✅ No new cache entry types or TTL rules\n❌ No timeout means one stuck IDP endpoint stalls every login; still 5 calls per cache miss"
|
||||
},
|
||||
{
|
||||
"label": "5C) Keep sequential",
|
||||
"description": "✅ Zero change, zero new failure modes (human: 0 / CC: 0)\n✅ Easiest to reason about when reading logs in order\n❌ Every cache miss pays 5 serial round trips; user-visible login latency stays 3-5x what it could be"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"sessionId": "814a2852-44c9-4aac-8949-114b059ca2c4",
|
||||
"toolUseId": "toolu_01TKvTUFxtRQpgbcLriRJWMz",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 — TODO 1: capture the post-bake cleanup (remove legacyAuthFlow, the rollout flag, and the shadow-compare harness)?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; follow-up work created by decision 2A.\nELI10: Choosing the flag-and-shadow cutover means two auth paths live for weeks. Someone has to delete the old one, the flag, and the comparison harness once the new path has baked. Flags that never get removed are how codebases end up with three login paths nobody understands. Note: TODOS.md does not exist in this repo and plan mode blocks creating it, so 'Add' means the item is recorded in the reviewed plan now and written to TODOS.md right after plan mode exits.\nWhat: Delete legacyAuthFlow(), the per-tenant rollout flag, and shadow-compare logging after 100% rollout plus the agreed bake period.\nWhy: Prevents permanent dual-path debt on the hottest code path.\nPros: One auth path again; fewer branches to test; flag config shrinks.\nCons: Must wait for bake data; deleting the legacy path removes the instant rollback.\nContext: Cutover lands via T3; the regression test from T5 stays as the permanent spec of expected behavior even after legacy is gone.\nDepends on / blocked by: T3 at 100% for all tenants; zero shadow mismatches over the bake window.\nRecommendation: A because this is real work created by this review, it cannot be done now, and an unrecorded flag-removal never happens.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a recorded cleanup with a trigger vs. trusting memory to remove a flag in a month.": "A) Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:47:47.248Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "TODO 1",
|
||||
"question": "D10 — TODO 1: capture the post-bake cleanup (remove legacyAuthFlow, the rollout flag, and the shadow-compare harness)?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; follow-up work created by decision 2A.\nELI10: Choosing the flag-and-shadow cutover means two auth paths live for weeks. Someone has to delete the old one, the flag, and the comparison harness once the new path has baked. Flags that never get removed are how codebases end up with three login paths nobody understands. Note: TODOS.md does not exist in this repo and plan mode blocks creating it, so 'Add' means the item is recorded in the reviewed plan now and written to TODOS.md right after plan mode exits.\nWhat: Delete legacyAuthFlow(), the per-tenant rollout flag, and shadow-compare logging after 100% rollout plus the agreed bake period.\nWhy: Prevents permanent dual-path debt on the hottest code path.\nPros: One auth path again; fewer branches to test; flag config shrinks.\nCons: Must wait for bake data; deleting the legacy path removes the instant rollback.\nContext: Cutover lands via T3; the regression test from T5 stays as the permanent spec of expected behavior even after legacy is gone.\nDepends on / blocked by: T3 at 100% for all tenants; zero shadow mismatches over the bake window.\nRecommendation: A because this is real work created by this review, it cannot be done now, and an unrecorded flag-removal never happens.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a recorded cleanup with a trigger vs. trusting memory to remove a flag in a month.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Add to TODOS.md (recommended)",
|
||||
"description": "✅ The cleanup carries its trigger (100% rollout + bake window) so a future session knows when it is safe\n✅ Recorded in the reviewed plan now; written to TODOS.md immediately after plan mode exits\n❌ One more open item to track until the bake period ends"
|
||||
},
|
||||
{
|
||||
"label": "B) Skip, not valuable enough",
|
||||
"description": "✅ Nothing extra to track; team handles flag cleanup by convention\n✅ Keeps the TODO list free of items months away\n❌ Dual auth paths quietly become permanent if nobody remembers"
|
||||
},
|
||||
{
|
||||
"label": "C) Build it now in this PR",
|
||||
"description": "✅ No follow-up at all; the legacy path is removed in the same change\n✅ Smallest final codebase\n❌ Contradicts decision 2A: removing legacy now is the big-bang cutover the review just rejected"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
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|
||||
"toolUseId": "toolu_01HbTmcyucL97FV1txDMfeXL",
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D11 — TODO 2: record the re-evaluation trigger for TokenStore and RequestPolicy, the two classes cut in Step 0?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; follow-up created by decision D3.\nELI10: The scope cut removed two classes because the plan never said what they were for. That is the right call today, but the author may have had a real job in mind (for example, a policy-version lookup that does not belong in the adapter). A TODO with the trigger written down means the idea comes back only when a concrete need appears, not because someone remembers the old plan. Same plan-mode note as before: recorded in the reviewed plan now, written to TODOS.md after plan mode exits.\nWhat: Re-introduce TokenStore and/or RequestPolicy only when a named responsibility the existing adapter cannot cover appears in code.\nWhy: Keeps the author's intent from being lost while preventing speculative abstraction on the auth hot path.\nPros: A clear rule for when the classes are justified; no premature abstraction now.\nCons: If the need was real, it surfaces as a mid-implementation plan revision.\nContext: PLAN.md:35 names both classes with no responsibility anywhere in the plan; D3 reduced scope to AuthBroker + SessionMint over the injected adapter.\nDepends on / blocked by: T1 (the reduced architecture) landing first; a concrete gap found during T2 or T7.\nRecommendation: A because it is cheap, it preserves the author's intent, and it names the trigger instead of leaving 'maybe later' in someone's head.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a written trigger for two cut classes vs. relying on the original plan text being remembered.": "A) Add to TODOS.md (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T19:48:11.400Z",
|
||||
"questions": [
|
||||
{
|
||||
"header": "TODO 2",
|
||||
"question": "D11 — TODO 2: record the re-evaluation trigger for TokenStore and RequestPolicy, the two classes cut in Step 0?\nProject/branch/task: main, PLAN.md Multi-tenant Auth Refactor; follow-up created by decision D3.\nELI10: The scope cut removed two classes because the plan never said what they were for. That is the right call today, but the author may have had a real job in mind (for example, a policy-version lookup that does not belong in the adapter). A TODO with the trigger written down means the idea comes back only when a concrete need appears, not because someone remembers the old plan. Same plan-mode note as before: recorded in the reviewed plan now, written to TODOS.md after plan mode exits.\nWhat: Re-introduce TokenStore and/or RequestPolicy only when a named responsibility the existing adapter cannot cover appears in code.\nWhy: Keeps the author's intent from being lost while preventing speculative abstraction on the auth hot path.\nPros: A clear rule for when the classes are justified; no premature abstraction now.\nCons: If the need was real, it surfaces as a mid-implementation plan revision.\nContext: PLAN.md:35 names both classes with no responsibility anywhere in the plan; D3 reduced scope to AuthBroker + SessionMint over the injected adapter.\nDepends on / blocked by: T1 (the reduced architecture) landing first; a concrete gap found during T2 or T7.\nRecommendation: A because it is cheap, it preserves the author's intent, and it names the trigger instead of leaving 'maybe later' in someone's head.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a written trigger for two cut classes vs. relying on the original plan text being remembered.",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Add to TODOS.md (recommended)",
|
||||
"description": "✅ Preserves the original author's intent with an explicit 'only when the adapter cannot do X' trigger\n✅ Stops the classes from reappearing by habit during implementation without a stated job\n❌ One more item that may never fire if the classes were never needed"
|
||||
},
|
||||
{
|
||||
"label": "B) Skip, not valuable enough",
|
||||
"description": "✅ Nothing to track; if a need appears, the engineer adds the class then\n✅ Keeps the TODO list focused on committed work\n❌ The original intent behind the two names is lost with the old plan text"
|
||||
},
|
||||
{
|
||||
"label": "C) Build them now in this PR",
|
||||
"description": "✅ Matches the original plan's component list exactly\n✅ No re-evaluation needed later\n❌ Reverses decision D3 with no new information about what the classes do"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
-96
@@ -1,96 +0,0 @@
|
||||
{
|
||||
"provenance": {
|
||||
"kind": "exact completed public native packet and required-test paragraph",
|
||||
"sourceHead": "e8470a7e447f7850f75214383bb1a41d3f1debd8",
|
||||
"session": "97b9510d-c630-4cbb-9f8c-d1bb31a9e4ec",
|
||||
"reportSha256": "959c68c2ea28986ccb1f7ce8526ba622ad6f733144dc062cb3bc795a20092ce1",
|
||||
"historicalOutcome": "plan_ready609366ms; natural test failure for missing complexity and mandatory regression"
|
||||
},
|
||||
"packet": {
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||||
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||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 \u2014 Issue 0: 12 files and 5 new types for an auth refactor \u2014 reduce scope or proceed as-is?\nProject/branch/task: gstack-plan-count-I2kvlg on main, PLAN.md Multi-tenant Auth Refactor (PLAN.md:34-36 \"touches 12 files and introduces 4 new classes\", plus AuthBroker at PLAN.md:19).\nELI10: The plan adds five new moving parts to do auth: AuthBroker, SessionMint, TokenStore, AuthCache, RequestPolicy. Two of them look like wrappers around things that already exist. AuthCache is described (PLAN.md:11-13) as a facade over the existing adapter \"with one backing cache\" that keeps every rule unchanged, so it is a pass-through. TokenStore stores tokens next to a cache that already stores tokens keyed by tenant. RequestPolicy has no stated behavior. Every extra class is a place for a 3am bug to hide and a file the next engineer has to read.\nStakes if we pick wrong: Too many parts and the auth path becomes hard to reason about and test; too few and we may cram unrelated responsibilities into one class.\nRecommendation: 0A because AuthBroker and SessionMint can take the existing adapter by constructor injection, TokenStore's job is already the adapter's, and RequestPolicy can start as a plain typed config object. That matches the 'engineered enough' and smallest-clean-diff preferences. Estimated ~7-8 files, 2 new classes.\nNote: options differ in kind, not coverage \u2014 no completeness score.\n0A) Reduce: keep AuthBroker + SessionMint, inject the existing adapter, drop AuthCache facade and TokenStore, make RequestPolicy a typed object (recommended) (human: ~1 day saved / CC: ~10 min saved)\n \u2705 Two new classes instead of five; the auth hot path stays readable in one sitting\n \u2705 Removes the pass-through facade that would otherwise need its own test suite\n \u274c If TokenStore was meant to hold non-cache state (refresh tokens, mint receipts), that need must be re-stated\n0B) Middle: drop only the AuthCache facade, keep TokenStore and RequestPolicy as classes (human: ~2 days / CC: ~20 min)\n \u2705 Keeps a dedicated place for token persistence separate from the validity cache\n \u2705 Still removes the pure pass-through wrapper\n \u274c Three new classes for one feature is still a lot of surface for 12 files\n0C) Proceed as-is: 5 new types, 12 files (human: ~3 days / CC: ~30 min)\n \u2705 Each concern gets its own named home, which some teams prefer for auth\n \u2705 No rework of the plan before implementation starts\n \u274c Facade with no new behavior and overlapping stores add coupling and test burden without user-visible gain\nNet: fewer classes with injected dependencies versus more named boundaries that mostly wrap existing code.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "0A Reduce to 2 new classes (recommended)",
|
||||
"description": "Inject existing adapter into AuthBroker/SessionMint; drop AuthCache facade and TokenStore; RequestPolicy becomes a typed object."
|
||||
},
|
||||
{
|
||||
"label": "0B Drop only AuthCache facade",
|
||||
"description": "Keep TokenStore and RequestPolicy as classes; remove the pass-through wrapper."
|
||||
},
|
||||
{
|
||||
"label": "0C Proceed as-is",
|
||||
"description": "Keep all 5 new types and 12 files; review continues against the plan unchanged."
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"question": "D4 \u2014 Enable cross-project learnings search on this machine?\nProject/branch/task: gstack setup for gstack-plan-count-I2kvlg; one-time config, not a plan finding.\nELI10: gstack can search learnings from your other projects on this machine to find patterns that might apply here. This stays local (no data leaves your machine). Recommended for solo developers. Skip if you work on multiple client codebases where cross-contamination would be a concern.\nStakes if we pick wrong: Enabled on a multi-client machine, a learning from one client's codebase could surface in another's review; disabled, this project only learns from itself.\nRecommendation: A because it is local-only, reversible with one config command, and compounding learnings is the point of the tool.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nA) Enable cross-project learnings (recommended)\n \u2705 Reviews get smarter from patterns seen in your other local projects\n \u2705 Local-only lookup, nothing leaves the machine, one command to reverse\n \u274c On a shared or multi-client machine, unrelated project patterns may surface\nB) Keep learnings project-scoped only\n \u2705 Zero chance of cross-client pattern leakage in review output\n \u2705 Simpler mental model: this repo only learns from itself\n \u274c Slower compounding; every project restarts its learning from zero\nNet: faster compounding versus strict per-project isolation.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project (recommended)",
|
||||
"description": "Set cross_project_learnings true; local-only search across your projects."
|
||||
},
|
||||
{
|
||||
"label": "Project-scoped only",
|
||||
"description": "Set cross_project_learnings false; this repo learns only from itself."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 \u2014 Issue 0: 12 files and 5 new types for an auth refactor \u2014 reduce scope or proceed as-is?\nProject/branch/task: gstack-plan-count-I2kvlg on main, PLAN.md Multi-tenant Auth Refactor (PLAN.md:34-36 \"touches 12 files and introduces 4 new classes\", plus AuthBroker at PLAN.md:19).\nELI10: The plan adds five new moving parts to do auth: AuthBroker, SessionMint, TokenStore, AuthCache, RequestPolicy. Two of them look like wrappers around things that already exist. AuthCache is described (PLAN.md:11-13) as a facade over the existing adapter \"with one backing cache\" that keeps every rule unchanged, so it is a pass-through. TokenStore stores tokens next to a cache that already stores tokens keyed by tenant. RequestPolicy has no stated behavior. Every extra class is a place for a 3am bug to hide and a file the next engineer has to read.\nStakes if we pick wrong: Too many parts and the auth path becomes hard to reason about and test; too few and we may cram unrelated responsibilities into one class.\nRecommendation: 0A because AuthBroker and SessionMint can take the existing adapter by constructor injection, TokenStore's job is already the adapter's, and RequestPolicy can start as a plain typed config object. That matches the 'engineered enough' and smallest-clean-diff preferences. Estimated ~7-8 files, 2 new classes.\nNote: options differ in kind, not coverage \u2014 no completeness score.\n0A) Reduce: keep AuthBroker + SessionMint, inject the existing adapter, drop AuthCache facade and TokenStore, make RequestPolicy a typed object (recommended) (human: ~1 day saved / CC: ~10 min saved)\n \u2705 Two new classes instead of five; the auth hot path stays readable in one sitting\n \u2705 Removes the pass-through facade that would otherwise need its own test suite\n \u274c If TokenStore was meant to hold non-cache state (refresh tokens, mint receipts), that need must be re-stated\n0B) Middle: drop only the AuthCache facade, keep TokenStore and RequestPolicy as classes (human: ~2 days / CC: ~20 min)\n \u2705 Keeps a dedicated place for token persistence separate from the validity cache\n \u2705 Still removes the pure pass-through wrapper\n \u274c Three new classes for one feature is still a lot of surface for 12 files\n0C) Proceed as-is: 5 new types, 12 files (human: ~3 days / CC: ~30 min)\n \u2705 Each concern gets its own named home, which some teams prefer for auth\n \u2705 No rework of the plan before implementation starts\n \u274c Facade with no new behavior and overlapping stores add coupling and test burden without user-visible gain\nNet: fewer classes with injected dependencies versus more named boundaries that mostly wrap existing code.": "0A Reduce to 2 new classes (recommended)",
|
||||
"D4 \u2014 Enable cross-project learnings search on this machine?\nProject/branch/task: gstack setup for gstack-plan-count-I2kvlg; one-time config, not a plan finding.\nELI10: gstack can search learnings from your other projects on this machine to find patterns that might apply here. This stays local (no data leaves your machine). Recommended for solo developers. Skip if you work on multiple client codebases where cross-contamination would be a concern.\nStakes if we pick wrong: Enabled on a multi-client machine, a learning from one client's codebase could surface in another's review; disabled, this project only learns from itself.\nRecommendation: A because it is local-only, reversible with one config command, and compounding learnings is the point of the tool.\nNote: options differ in kind, not coverage \u2014 no completeness score.\nA) Enable cross-project learnings (recommended)\n \u2705 Reviews get smarter from patterns seen in your other local projects\n \u2705 Local-only lookup, nothing leaves the machine, one command to reverse\n \u274c On a shared or multi-client machine, unrelated project patterns may surface\nB) Keep learnings project-scoped only\n \u2705 Zero chance of cross-client pattern leakage in review output\n \u2705 Simpler mental model: this repo only learns from itself\n \u274c Slower compounding; every project restarts its learning from zero\nNet: faster compounding versus strict per-project isolation.": "Enable cross-project (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-09T21:37:45.546Z"
|
||||
},
|
||||
"requiredTest": "- `legacyAuthFlow` regression test. Before the rewrite, capture the current\n input/output and side-effect behavior of `legacyAuthFlow()` for valid,\n expired, revoked, and wrong-tenant tokens. The rewritten path must pass the\n same assertions. What broke without it: the plan rewrote existing behavior\n with no test covering the changed path.",
|
||||
"retryPacket": {
|
||||
"sessionId": "afed76c6-b7b0-41a8-9a5d-90088b2471fe",
|
||||
"toolUseId": "toolu_016RCPa88bGkVXejhUDAta4S",
|
||||
"questions": [
|
||||
{
|
||||
"header": "Arch 1",
|
||||
"question": "D4 \u2014 Issue 1 [P1] (confidence 9/10) PLAN.md:19-20,10: two services write the same cache entries with no serialization. Who owns writes?\nProject/branch/task: gstack-plan-count on main, PLAN.md Multi-tenant Auth Refactor, Architecture review.\nELI10: The plan says both AuthBroker and SessionMint mutate the shared cache (\"Both services mutate it\", PLAN.md:20) and that the cache rules \"do not serialize mutations\" (PLAN.md:10). D2 removed the module-level export, but two writers to one adapter is still a race condition: two code paths touching the same entry at once, so the last one to finish wins. Concretely, SessionMint writes a fresh session for tenant A while AuthBroker, mid-validation, overwrites the same key with a stale or revoked result. The tenant sees a session that is either dead or wrongly alive.\nStakes if we pick wrong: Intermittent auth failures or, worse, a revoked token briefly honored, and neither is reproducible in a unit test.\nRecommendation: 1A because separate key namespaces give each service exactly one writer, need no locking code, and are enforced by a type on the key builder. This maps to your explicit-over-clever preference.\nCompleteness: A=9/10, B=8/10, C=3/10\nNet: eliminate the race by design (A), fence it at runtime (B), or accept last-write-wins (C). <gstack-qid:plan-eng-review-arch-shared-writer>",
|
||||
"options": [
|
||||
{
|
||||
"label": "1A Single writer per key namespace (recommended)",
|
||||
"description": "\u2705 AuthBroker owns `validation:` keys, SessionMint owns `session:` keys; no entry has two writers, so no race to serialize. (human: ~3h / CC: ~15 min)\n\u2705 Enforced at compile time by a typed key builder; a wrong-namespace write fails the build, not production.\n\u274c Cross-namespace invalidation (revocation must clear both) needs an explicit fan-out in the adapter hook."
|
||||
},
|
||||
{
|
||||
"label": "1B Per-key async mutex in one shared writer path",
|
||||
"description": "\u2705 Both services keep writing anywhere; a per-key queue serializes mutations at runtime. (human: ~1 day / CC: ~25 min)\n\u2705 Handles future writers without re-partitioning keys.\n\u274c Adds a lock primitive and a lock-lifetime bug class (leaked or held-across-await locks) to an auth path."
|
||||
},
|
||||
{
|
||||
"label": "1C Accept last-write-wins, document it",
|
||||
"description": "\u2705 Zero code; the adapter already behaves this way today.\n\u2705 Fastest path to shipping the two services.\n\u274c A revoked token can be resurrected by a slower concurrent write; silent and untestable."
|
||||
}
|
||||
],
|
||||
"multiSelect": false
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 \u2014 Issue 1 [P1] (confidence 9/10) PLAN.md:19-20,10: two services write the same cache entries with no serialization. Who owns writes?\nProject/branch/task: gstack-plan-count on main, PLAN.md Multi-tenant Auth Refactor, Architecture review.\nELI10: The plan says both AuthBroker and SessionMint mutate the shared cache (\"Both services mutate it\", PLAN.md:20) and that the cache rules \"do not serialize mutations\" (PLAN.md:10). D2 removed the module-level export, but two writers to one adapter is still a race condition: two code paths touching the same entry at once, so the last one to finish wins. Concretely, SessionMint writes a fresh session for tenant A while AuthBroker, mid-validation, overwrites the same key with a stale or revoked result. The tenant sees a session that is either dead or wrongly alive.\nStakes if we pick wrong: Intermittent auth failures or, worse, a revoked token briefly honored, and neither is reproducible in a unit test.\nRecommendation: 1A because separate key namespaces give each service exactly one writer, need no locking code, and are enforced by a type on the key builder. This maps to your explicit-over-clever preference.\nCompleteness: A=9/10, B=8/10, C=3/10\nNet: eliminate the race by design (A), fence it at runtime (B), or accept last-write-wins (C). <gstack-qid:plan-eng-review-arch-shared-writer>": "1A Single writer per key namespace (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-09T21:49:10.064Z"
|
||||
},
|
||||
"retryRequiredTask": "- [ ] **T1 (P1, human: ~4h / CC: ~20min)** \u2014 legacyAuthFlow \u2014 Write characterization suite before any rewrite",
|
||||
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||||
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||||
"historicalOutcome": "natural second-attempt assertion failure after plan_ready; replay never grants completion credit"
|
||||
}
|
||||
}
|
||||
-168
@@ -1,168 +0,0 @@
|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
"transcript": {
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||||
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|
||||
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|
||||
{
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||||
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||||
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||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Step 0 scope: reduce 4 new classes / 12 files to the minimal version, or proceed as-is?\nProject/branch/task: gstack-plan-count-NOHUUz on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: The plan adds four new classes, but the cache adapter you already have does the storage and invalidation job (PLAN.md:7-13). TokenStore has no stated job the adapter does not already do. AuthCache is a thin wrapper over that same adapter and is shared as a global that two services write to (PLAN.md:19-20). RequestPolicy has no named caller. Fewer moving parts means fewer places a tenant-isolation bug can hide.\nStakes if we pick wrong: overbuilt means three cache-shaped layers to keep consistent and a global-state bug class in auth code; underbuilt means we later discover a real reason for TokenStore or RequestPolicy and bolt it on.\nRecommendation: A because the two services that carry the goal (AuthBroker, SessionMint) can take the existing adapter by constructor injection, which also kills the shared-global smell in one move. Explicit over clever, smallest diff that expresses the change.\nNote: options differ in kind, not coverage — no completeness score.\nNet: 2 injected classes vs 3 vs 4; every option ships multi-tenant auth, they differ in how many layers sit between a service and the cache.",
|
||||
"header": "Scope",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Reduce to 2 classes, inject adapter (recommended)",
|
||||
"description": "✅ AuthBroker + SessionMint receive the existing cache adapter via constructor, no module-level global, ~7-8 files (human: ~3 days / CC: ~1h)\n✅ Drops TokenStore (adapter already keys tokens per tenant) and folds RequestPolicy into AuthBroker until a second consumer exists\n❌ If AuthCache was meant to add tenant-scoped behavior the adapter lacks, that logic now lives inside AuthBroker instead of a named facade"
|
||||
},
|
||||
{
|
||||
"label": "B) Keep AuthCache as injected facade, drop TokenStore",
|
||||
"description": "✅ Keeps a named seam for future cache behavior while still removing the module-level global (human: ~3.5 days / CC: ~1.2h)\n✅ Still drops TokenStore and folds RequestPolicy, so 3 classes and ~9 files\n❌ A facade over one adapter with no added rules is an extra layer to test and keep in sync for now"
|
||||
},
|
||||
{
|
||||
"label": "C) Proceed as-is: 4 classes, 12 files",
|
||||
"description": "✅ No re-planning; the shape you already drafted goes straight to the review sections (human: ~5 days / CC: ~2h)\n✅ Each concern gets its own named class if you know TokenStore and RequestPolicy have roles the plan just did not write down\n❌ Three storage-shaped layers plus a shared mutable global in auth code; the review will still push back on the global in Section 1"
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"question": "D4 — Enable cross-project learnings search for gstack on this machine?\nProject/branch/task: gstack-plan-count-NOHUUz on main, first-time setup prompt during the Prior Learnings step.\nELI10: gstack records small lessons per project. With cross-project on, this review can also read lessons captured in your other local projects. Nothing leaves the machine. Good for a solo developer; skip if you work across client codebases that must not cross-contaminate.\nStakes if we pick wrong: mild; either missed reusable lessons or a lesson from an unrelated codebase showing up here.\nRecommendation: A because it is local-only and the benefit compounds over time.\nNote: options differ in kind, not coverage — no completeness score.\nNet: broader recall vs strict per-project isolation.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "A) Enable cross-project (recommended)",
|
||||
"description": "✅ Reviews get smarter using lessons from all your local projects, not just this one\n✅ Stays on this machine; no network involved in learnings search\n❌ A lesson from an unrelated codebase can surface where it does not apply"
|
||||
},
|
||||
{
|
||||
"label": "B) Project-scoped only",
|
||||
"description": "✅ Strict isolation between codebases, right for multi-client work\n✅ Every surfaced lesson is guaranteed to come from this repo\n❌ Slower compounding; each project learns from scratch"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Step 0 scope: reduce 4 new classes / 12 files to the minimal version, or proceed as-is?\nProject/branch/task: gstack-plan-count-NOHUUz on main, PLAN.md Multi-tenant Auth Refactor.\nELI10: The plan adds four new classes, but the cache adapter you already have does the storage and invalidation job (PLAN.md:7-13). TokenStore has no stated job the adapter does not already do. AuthCache is a thin wrapper over that same adapter and is shared as a global that two services write to (PLAN.md:19-20). RequestPolicy has no named caller. Fewer moving parts means fewer places a tenant-isolation bug can hide.\nStakes if we pick wrong: overbuilt means three cache-shaped layers to keep consistent and a global-state bug class in auth code; underbuilt means we later discover a real reason for TokenStore or RequestPolicy and bolt it on.\nRecommendation: A because the two services that carry the goal (AuthBroker, SessionMint) can take the existing adapter by constructor injection, which also kills the shared-global smell in one move. Explicit over clever, smallest diff that expresses the change.\nNote: options differ in kind, not coverage — no completeness score.\nNet: 2 injected classes vs 3 vs 4; every option ships multi-tenant auth, they differ in how many layers sit between a service and the cache.": "A) Reduce to 2 classes, inject adapter (recommended)",
|
||||
"D4 — Enable cross-project learnings search for gstack on this machine?\nProject/branch/task: gstack-plan-count-NOHUUz on main, first-time setup prompt during the Prior Learnings step.\nELI10: gstack records small lessons per project. With cross-project on, this review can also read lessons captured in your other local projects. Nothing leaves the machine. Good for a solo developer; skip if you work across client codebases that must not cross-contaminate.\nStakes if we pick wrong: mild; either missed reusable lessons or a lesson from an unrelated codebase showing up here.\nRecommendation: A because it is local-only and the benefit compounds over time.\nNote: options differ in kind, not coverage — no completeness score.\nNet: broader recall vs strict per-project isolation.": "A) Enable cross-project (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T05:50:30.382Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "0f5f0040-2ba7-4029-b33d-43002ac0ce18",
|
||||
"toolUseId": "toolu_01RP1Yzt5jbat8STPd4k3bER",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — Issue 1 (Architecture): write-after-invalidate race between SessionMint and AuthBroker on the shared adapter\nProject/branch/task: gstack-plan-count-NOHUUz on main, PLAN.md Multi-tenant Auth Refactor, post-scope-cut (2 injected services, one adapter).\n[P1] (confidence: 8/10) PLAN.md:10 \"they do not serialize mutations\" + PLAN.md:20 \"Both services mutate it\" + PLAN.md:8-9 invalidation on logout/revocation/suspension.\nELI10: Even after injection, both services write into the same cache. Picture SessionMint minting a session for tenant A while, at the same instant, the tenant gets suspended and AuthBroker wipes tenant A's entries. If the mint write lands a few milliseconds after the wipe, a suspended tenant now holds a live cached session until it expires. The plan states outright that nothing orders these writes.\nStakes if we pick wrong: a suspended or logged-out tenant keeps working against a cache entry that should be gone. Silent, and only visible in an incident.\nRecommendation: A because a version-guarded write is the smallest change that makes the race impossible rather than unlikely, and it uses the policy-version key the adapter already has. Explicit over clever; handle the edge case, not the demo path.\nCompleteness: A=10/10, B=8/10, C=3/10\nNet: guaranteed ordering on every write vs a single-writer topology vs documenting a known hole.",
|
||||
"header": "Issue 1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A) Guarded writes: re-check tenant status + policy version on put (recommended)",
|
||||
"description": "✅ Every cache write carries the tenant epoch/policy version it was computed under; the adapter rejects writes whose epoch is stale, so a post-wipe mint can never land (human: ~1 day / CC: ~20 min)\n✅ Uses the existing policy-version key, so no new storage shape; adds a unit test that interleaves suspend and mint and asserts the entry is absent\n❌ Requires an epoch or version bump on suspension/revocation if one does not exist today; one extra read per write"
|
||||
},
|
||||
{
|
||||
"label": "1B) Single writer: only AuthBroker writes, SessionMint returns results to it",
|
||||
"description": "✅ Removes the two-writer problem by topology; SessionMint becomes a pure minting function with no cache dependency, which is simpler to test (human: ~1 day / CC: ~20 min)\n✅ Invalidation and writes now flow through one code path, so ordering is a local concern\n❌ A late mint can still land after a wipe inside AuthBroker unless it also checks tenant status before put; it narrows the race, it does not close it"
|
||||
},
|
||||
{
|
||||
"label": "1C) Accept the race, document it, rely on TTL expiry",
|
||||
"description": "✅ Zero implementation cost now (human: 0 / CC: 0)\n✅ Matches the current plan text, which already acknowledges unserialized mutations\n❌ A suspended tenant can hold a valid cached session for the full TTL; a security-adjacent hole the review would flag as a critical gap"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Issue 1 (Architecture): write-after-invalidate race between SessionMint and AuthBroker on the shared adapter\nProject/branch/task: gstack-plan-count-NOHUUz on main, PLAN.md Multi-tenant Auth Refactor, post-scope-cut (2 injected services, one adapter).\n[P1] (confidence: 8/10) PLAN.md:10 \"they do not serialize mutations\" + PLAN.md:20 \"Both services mutate it\" + PLAN.md:8-9 invalidation on logout/revocation/suspension.\nELI10: Even after injection, both services write into the same cache. Picture SessionMint minting a session for tenant A while, at the same instant, the tenant gets suspended and AuthBroker wipes tenant A's entries. If the mint write lands a few milliseconds after the wipe, a suspended tenant now holds a live cached session until it expires. The plan states outright that nothing orders these writes.\nStakes if we pick wrong: a suspended or logged-out tenant keeps working against a cache entry that should be gone. Silent, and only visible in an incident.\nRecommendation: A because a version-guarded write is the smallest change that makes the race impossible rather than unlikely, and it uses the policy-version key the adapter already has. Explicit over clever; handle the edge case, not the demo path.\nCompleteness: A=10/10, B=8/10, C=3/10\nNet: guaranteed ordering on every write vs a single-writer topology vs documenting a known hole.": "1A) Guarded writes: re-check tenant status + policy version on put (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T05:51:16.032Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "0f5f0040-2ba7-4029-b33d-43002ac0ce18",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D8 — Issue 4 (Code Quality): validateAndDispatch() swallows three error classes in nested try/catch\nProject/branch/task: gstack-plan-count-NOHUUz on main, PLAN.md Multi-tenant Auth Refactor.\n[P1] (confidence: 8/10) PLAN.md:23-24 \"60 lines with three nested try/catch blocks; each catch swallows a different error class.\"\nELI10: This function decides whether a login is valid and where to send it. Three separate places catch an error and quietly continue. In auth code, quietly continuing after a validation error means a request that should have been denied keeps going. It also means production failures leave no trace, so the first sign of a broken IDP integration is users complaining, not a log line.\nStakes if we pick wrong: fail-open on a validation error, and blind debugging when the IDP misbehaves.\nRecommendation: A because splitting into validate() then dispatch() with one explicit typed error outcome per class removes the nesting and makes every failure path visible and testable; explicit over clever, and this is where DRY and testability meet.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: restructure so every error is an explicit, tested outcome vs keep the shape but stop hiding errors vs leave it.",
|
||||
"header": "Issue 4",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "4A) Split into validate() + dispatch(), typed AuthError outcomes, fail-closed (recommended)",
|
||||
"description": "✅ Each of the three error classes maps to a named outcome (deny-with-reason, retryable, fail-closed) returned as a typed result, logged with tenant + reason, never swallowed (human: ~1 day / CC: ~20 min)\n✅ Two flat functions under 25 lines each; one test per error class asserts the exact outcome and that the request does not proceed\n❌ Changes the function's return shape, so its callers are touched in the same PR"
|
||||
},
|
||||
{
|
||||
"label": "4B) Keep structure, log and rethrow in each catch",
|
||||
"description": "✅ Smallest diff; errors become visible in logs and stop the request instead of continuing (human: ~2h / CC: ~5 min)\n✅ No caller changes\n❌ Still 60 lines with three nested blocks; the branches remain hard to test individually and the nesting hides which operation failed"
|
||||
},
|
||||
{
|
||||
"label": "4C) Leave as-is",
|
||||
"description": "✅ No work now (human: 0 / CC: 0)\n✅ Behavior unchanged for callers\n❌ Fail-open on swallowed validation errors in the auth path; the review would mark this a critical gap"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D8 — Issue 4 (Code Quality): validateAndDispatch() swallows three error classes in nested try/catch\nProject/branch/task: gstack-plan-count-NOHUUz on main, PLAN.md Multi-tenant Auth Refactor.\n[P1] (confidence: 8/10) PLAN.md:23-24 \"60 lines with three nested try/catch blocks; each catch swallows a different error class.\"\nELI10: This function decides whether a login is valid and where to send it. Three separate places catch an error and quietly continue. In auth code, quietly continuing after a validation error means a request that should have been denied keeps going. It also means production failures leave no trace, so the first sign of a broken IDP integration is users complaining, not a log line.\nStakes if we pick wrong: fail-open on a validation error, and blind debugging when the IDP misbehaves.\nRecommendation: A because splitting into validate() then dispatch() with one explicit typed error outcome per class removes the nesting and makes every failure path visible and testable; explicit over clever, and this is where DRY and testability meet.\nCompleteness: A=10/10, B=6/10, C=2/10\nNet: restructure so every error is an explicit, tested outcome vs keep the shape but stop hiding errors vs leave it.": "4A) Split into validate() + dispatch(), typed AuthError outcomes, fail-closed (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T05:52:32.294Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "0f5f0040-2ba7-4029-b33d-43002ac0ce18",
|
||||
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|
||||
"questions": [
|
||||
{
|
||||
"question": "D10 — Issue 6 (Performance): 5 sequential IDP calls; parallelize, but define timeout and partial-failure semantics\nProject/branch/task: gstack-plan-count-NOHUUz on main, PLAN.md Multi-tenant Auth Refactor.\n[P2] (confidence: 8/10) PLAN.md:31-32 \"Token validation issues 5 sequential API calls to the IDP; they could be parallelized via Promise.all trivially (calls are independent).\"\nELI10: Five round trips to the identity provider happen one after another, so login latency is five IDP latencies added up. Running them at once cuts that to the slowest single call. But Promise.all rejects the moment any one fails, and with no timeout a single hung IDP call hangs the login forever. The plan calls this trivial; the fan-out is, the failure semantics are not.\nStakes if we pick wrong: either logins wait 5x longer than needed, or a hung IDP endpoint pins requests open and a partial IDP outage produces confusing half-validated states.\nRecommendation: A because validation must be all-or-nothing (fail-closed), so fail-fast Promise.all is the right primitive, but only wrapped in a per-call timeout and a single explicit IDPUnavailable outcome that Issue 4's typed errors already give us a home for.\nCompleteness: A=10/10, B=5/10, C=6/10\nNet: parallel + bounded + fail-closed vs parallel with no bounds vs keep sequential and safe but slow.",
|
||||
"header": "Issue 6",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "6A) Promise.all + per-call timeout + fail-closed IDPUnavailable outcome, latency test (recommended)",
|
||||
"description": "✅ Each IDP call wrapped with AbortSignal.timeout; any rejection or timeout yields one typed IDPUnavailable outcome, request denied, logged once with which call failed (human: ~4h / CC: ~15 min)\n✅ Tests: all-succeed, one-rejects, one-hangs-past-timeout, and a timing test asserting total wall time is near max not sum\n❌ Retry policy is explicitly out of scope here; a flapping IDP still denies logins until it recovers"
|
||||
},
|
||||
{
|
||||
"label": "6B) Bare Promise.all as the plan states",
|
||||
"description": "✅ Simplest change, immediate 5x latency win on the happy path (human: ~30 min / CC: ~3 min)\n✅ Fail-fast is the correct semantics for validation\n❌ No timeout: one hung call hangs the login; rejection surfaces as a raw error with no typed outcome or log context"
|
||||
},
|
||||
{
|
||||
"label": "6C) Keep sequential, add timeouts only",
|
||||
"description": "✅ No concurrency change, so behavior stays easiest to reason about (human: ~2h / CC: ~10 min)\n✅ Timeouts still stop the hang\n❌ Login latency remains the sum of five IDP round trips when the calls are independent"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D10 — Issue 6 (Performance): 5 sequential IDP calls; parallelize, but define timeout and partial-failure semantics\nProject/branch/task: gstack-plan-count-NOHUUz on main, PLAN.md Multi-tenant Auth Refactor.\n[P2] (confidence: 8/10) PLAN.md:31-32 \"Token validation issues 5 sequential API calls to the IDP; they could be parallelized via Promise.all trivially (calls are independent).\"\nELI10: Five round trips to the identity provider happen one after another, so login latency is five IDP latencies added up. Running them at once cuts that to the slowest single call. But Promise.all rejects the moment any one fails, and with no timeout a single hung IDP call hangs the login forever. The plan calls this trivial; the fan-out is, the failure semantics are not.\nStakes if we pick wrong: either logins wait 5x longer than needed, or a hung IDP endpoint pins requests open and a partial IDP outage produces confusing half-validated states.\nRecommendation: A because validation must be all-or-nothing (fail-closed), so fail-fast Promise.all is the right primitive, but only wrapped in a per-call timeout and a single explicit IDPUnavailable outcome that Issue 4's typed errors already give us a home for.\nCompleteness: A=10/10, B=5/10, C=6/10\nNet: parallel + bounded + fail-closed vs parallel with no bounds vs keep sequential and safe but slow.": "6A) Promise.all + per-call timeout + fail-closed IDPUnavailable outcome, latency test (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-10T05:53:38.545Z"
|
||||
}
|
||||
],
|
||||
"assistantMessages": [],
|
||||
"planReadyRequests": []
|
||||
},
|
||||
"required": "- **CRITICAL regression** `legacyAuthFlow` snapshot: capture current outputs\n for valid, expired, wrong-audience, wrong-tenant inputs BEFORE any change;\n assert both legacy (flag OFF) and new (flag ON) paths produce identical\n observable results. Mandatory under the coverage-audit regression rule.",
|
||||
"task": "- [ ] **T1 (P1, human: ~2h / CC: ~10min)** — tests/auth — Snapshot legacyAuthFlow() behavior as regression tests before any change\n - Surfaced by: Test review — REGRESSION RULE, PLAN.md:27-28\n - Files: tests/auth/legacy-auth-flow.regression.test.*\n - Verify: tests pass against unmodified legacy code, then against flag-OFF route",
|
||||
"reviewReport": "## GSTACK REVIEW REPORT\n\n| Review | Trigger | Why | Runs | Status | Findings |\n|--------|---------|-----|------|--------|----------|\n| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |\n| Outside Review | codex via `/plan-eng-review` (recorded provider: codex, host: claude) | Independent 2nd opinion | 1 | DISABLED (skipped, 2026-09-10 05:53) | outside coverage missing: codex_reviews disabled, no substitute reviewer |\n| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | CLEAN (PLAN, 2026-09-10 05:57, commit f6418d1, SCOPE_REDUCED) | 7 issues, 0 critical gaps |\n| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |\n| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |\n\n**OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (skipped by config `codex_reviews=disabled`), source none, host claude. No findings; no native fallback was dispatched because disabled is an intentional opt-out. Re-enable with `gstack-config set codex_reviews enabled`.\n\n**VERDICT:** ENG CLEARED — ready to implement (scope reduced per D3; all 7 findings folded into the plan). CEO, Design, DX reviews not run; none required for a backend auth refactor with no UI scope.\n\nNO UNRESOLVED DECISIONS\n",
|
||||
"taskIntro": "Synthesized from this review's findings. Each task derives from a specific\nfinding above. Run with Claude Code or Codex; checkbox as you ship."
|
||||
}
|
||||
-445
@@ -1,445 +0,0 @@
|
||||
# Plan: Multi-tenant Auth Refactor (reviewed)
|
||||
|
||||
Reviewed by `/plan-eng-review` on 2026-09-10 against `PLAN.md` at commit `1d48c77`.
|
||||
Scope decision: **SCOPE_REDUCED** (D4) from one 12-file / 5-component PR to three
|
||||
sequenced, bisectable PRs with one storage facade. Every finding below was walked
|
||||
through interactively; the chosen remedy is recorded per issue.
|
||||
|
||||
## Context
|
||||
|
||||
The auth layer serves multiple tenants from one cache. The original plan (PLAN.md)
|
||||
introduces `AuthBroker` and `SessionMint`, three storage/policy classes
|
||||
(`TokenStore`, `AuthCache`, `RequestPolicy`), rewrites `legacyAuthFlow()`, and
|
||||
parallelizes token validation, all in one change touching 12 files. The existing
|
||||
cache adapter already keys entries by tenant ID, issuer, audience, and policy
|
||||
version, evicts expired tokens, and invalidates on logout, revocation, and tenant
|
||||
suspension (PLAN.md:7-9). The review's job was to keep every capability the plan
|
||||
wants while making the change safe to land in an auth path where a mistake is a
|
||||
cross-tenant leak.
|
||||
|
||||
Intended outcome: the legacy flow is retired, both new services are testable in
|
||||
isolation, tenant scoping is enforced by signatures rather than convention, a
|
||||
revocation can never be overwritten by a racing mint, and token validation is
|
||||
bounded by the slowest identity provider (IDP) call instead of the sum of five.
|
||||
|
||||
## Existing contracts retained
|
||||
|
||||
Unchanged from PLAN.md:7-13. The existing cache adapter keys entries by tenant ID,
|
||||
issuer, audience, and policy version. It evicts expired tokens and invalidates
|
||||
entries on logout, token revocation, or tenant suspension. `AuthCache` retains these
|
||||
validity and tenant-key rules. `AuthCache` is a service-facing facade over that same
|
||||
existing adapter, with one backing cache. The adapter, its invalidation hooks, and
|
||||
their existing tests remain in use unchanged.
|
||||
|
||||
Changed by this review: the adapter does not serialize mutations (PLAN.md:10), so
|
||||
`AuthCache` becomes the **single writer** and applies invalidation-wins ordering
|
||||
(issue 2). Coverage now **does** exercise `legacyAuthFlow()` via characterization
|
||||
tests (regression rule), reversing PLAN.md:14-16.
|
||||
|
||||
## What already exists
|
||||
|
||||
| Sub-problem | Existing code | Plan reuses or rebuilds? |
|
||||
|---|---|---|
|
||||
| Tenant-keyed token storage, eviction, invalidation | Existing cache adapter (PLAN.md:7-9) | **Reused.** `AuthCache` wraps it; `TokenStore` folded into `AuthCache` unless PR2 shows it is durable storage the adapter cannot provide (D4). |
|
||||
| Policy versioning | Adapter's policy-version key (PLAN.md:7) | **Reused.** `RequestPolicy` is built only if it carries logic beyond that key; otherwise cut and captured as TODO 1 (D10). |
|
||||
| Invalidation hooks for logout / revocation / suspension | Existing adapter hooks and tests (PLAN.md:12-13) | **Reused.** New facade-level tests prove the hooks are visible through `AuthCache` (issue 4). |
|
||||
| Current auth behavior | `legacyAuthFlow()` | **Reused as the oracle.** Characterization tests pin it in PR1; it delegates to the new pipeline in PR2; deleted in PR3. |
|
||||
| Module-level singleton pattern | Runtime module cache already guarantees one instance per import [Layer 1] | **Replaced** by construction at a composition root and constructor injection (issue 1). |
|
||||
|
||||
## Architecture
|
||||
|
||||
### Component boundaries (after review)
|
||||
|
||||
```
|
||||
composition root (bootstrap)
|
||||
┌──────────────────────────────────────────┐
|
||||
│ adapter = existingCacheAdapter() │
|
||||
│ cache = new AuthCache(adapter) │ ← constructed ONCE
|
||||
│ idp = new IdpClient(metadataCache) │
|
||||
│ broker = new AuthBroker(cache, idp) │ ← injected, no module export
|
||||
│ mint = new SessionMint(cache, idp) │
|
||||
└──────────────────────────────────────────┘
|
||||
│ │
|
||||
reads/invalidates │ │ writes (mint)
|
||||
▼ ▼
|
||||
┌─────────────────────────────────┐
|
||||
│ AuthCache (SINGLE WRITER) │
|
||||
│ get(tenantId, key) │
|
||||
│ put(tenantId, key, tok, pver) │──┐ dropped if a newer
|
||||
│ invalidate(tenantId, reason) │ │ invalidation for that
|
||||
└───────────────┬─────────────────┘ │ tenant key already landed
|
||||
│ ┘
|
||||
▼
|
||||
┌─────────────────────────────────┐
|
||||
│ existing cache adapter │
|
||||
│ key = tenant|issuer|aud|pver │
|
||||
│ hooks: logout/revoke/suspend │ ← unchanged, tests unchanged
|
||||
└─────────────────────────────────┘
|
||||
```
|
||||
|
||||
Every `AuthCache` method takes `tenantId`; a call without one does not compile.
|
||||
`AuthBroker` and `SessionMint` never touch the adapter directly.
|
||||
|
||||
### Issue 1 — Shared global mutable `AuthCache` via module-level export
|
||||
`[P1] (confidence: 8/10) PLAN.md:19-20` — "share a global mutable AuthCache instance
|
||||
via module-level export. Both services mutate it."
|
||||
**Decision 1A (D5): inject at the composition root, tenant-scoped API.** Both
|
||||
services take `AuthCache` in their constructor. Tests pass a fake cache and assert
|
||||
cross-tenant reads are rejected. The module-level export is removed. [Layer 1]
|
||||
|
||||
### Issue 2 — Two writers, unserialized mutations
|
||||
`[P1] (confidence: 7/10) PLAN.md:10 + PLAN.md:20` — the adapter rules "do not
|
||||
serialize mutations" and "Both services mutate it." A `SessionMint` write landing
|
||||
after an `AuthBroker` invalidation for the same tenant key resurrects a token for a
|
||||
suspended or logged-out tenant.
|
||||
**Decision 2A (D6): single-writer facade with invalidation-wins ordering.** Only
|
||||
`AuthCache` writes to the adapter. Each tenant key carries a generation; `put`
|
||||
supplies the policy version and generation it observed, and is dropped if a newer
|
||||
invalidation for that key has landed. A test interleaves mint and revoke in both
|
||||
orders and asserts the token is never readable after revoke.
|
||||
|
||||
```
|
||||
mint(t1) observes gen=3 ──────────────┐
|
||||
revoke(t1): gen=3 → gen=4, entry gone │
|
||||
▼
|
||||
put(t1, tok, gen=3) → gen 3 < 4 → DROPPED (no resurrection)
|
||||
```
|
||||
|
||||
### Strangler fig sequencing (Step 0, D4)
|
||||
|
||||
```
|
||||
PR1 (behavior-preserving) PR2 (new structure) PR3 (retire)
|
||||
┌─────────────────────────┐ ┌───────────────────────────┐ ┌──────────────────┐
|
||||
│ characterization tests │ │ AuthCache facade (1A,2A) │ │ delete │
|
||||
│ pin legacyAuthFlow() │──▶│ composition root │──▶ │ legacyAuthFlow() │
|
||||
│ split validateAndDisp. │ │ AuthBroker + SessionMint │ │ + delegation shim│
|
||||
│ IDP client: cache+par. │ │ legacyAuthFlow delegates │ │ fold char. tests │
|
||||
└─────────────────────────┘ │ behind a feature flag │ │ into pipeline │
|
||||
└───────────────────────────┘ └──────────────────┘
|
||||
```
|
||||
|
||||
A feature flag is a runtime switch that routes traffic to old or new code without a
|
||||
deploy. Characterization tests from PR1 must pass against both paths in PR2.
|
||||
|
||||
### Production failure scenarios per new codepath
|
||||
|
||||
| Codepath | Realistic failure | Plan accounts for it? |
|
||||
|---|---|---|
|
||||
| `AuthBroker.validate` via `AuthCache` | Forgotten tenant argument reads another tenant's entry | Yes: `tenantId` is required by every method signature (1A) |
|
||||
| `SessionMint.mint` write | Lands after a revocation for the same key | Yes: invalidation-wins generation check (2A) + interleaving test |
|
||||
| `IdpClient` parallel calls | One endpoint hangs; the others succeed | Yes: per-call timeout, `allSettled`, typed failure naming the call (5A) |
|
||||
| `IdpClient` metadata cache | Signing keys rotate inside the TTL | Yes: TTL bounds staleness; test asserts refetch after TTL. Mid-TTL rotation is accepted risk, see NOT in scope |
|
||||
| Composition root | Two roots constructed in one process (test + app) | Yes: fake cache in tests; only one root in production code |
|
||||
| `legacyAuthFlow` delegation shim (PR2) | Flag flips mid-request | Flag read once per request at entry; characterization tests cover both paths |
|
||||
|
||||
## Code quality
|
||||
|
||||
### Issue 3 — `validateAndDispatch()` nested try/catch swallowing errors
|
||||
`[P1] (confidence: 8/10) PLAN.md:23-24` — "60 lines with three nested try/catch
|
||||
blocks; each catch swallows a different error class."
|
||||
**Decision 3A (D7): split into `validate` / `authorize` / `dispatch` stages
|
||||
returning a typed result.** Each stage is a flat function returning a discriminated
|
||||
result (`ok | { kind, cause }`). No catch swallows. Every failure is logged with
|
||||
tenant and kind. The dispatcher maps result kinds to HTTP outcomes in one place.
|
||||
Call sites that relied on the silent pass-through are found and updated in PR1,
|
||||
guarded by the characterization tests.
|
||||
|
||||
```
|
||||
request ──▶ validate(token) ──ok──▶ authorize(claims, policy) ──ok──▶ dispatch()
|
||||
│ │
|
||||
└─ {kind: 'malformed'| └─ {kind: 'forbidden'|'policy_mismatch'}
|
||||
'expired'|'bad_sig'|
|
||||
'idp_unavailable'|'idp_timeout'}
|
||||
▼
|
||||
one mapper: kind → status + log line (tenant, kind, cause)
|
||||
```
|
||||
|
||||
DRY: `TokenStore` and `AuthCache` were two wrappers over one adapter; folded (D4).
|
||||
`RequestPolicy` overlapped the adapter's policy-version key; built only if it
|
||||
carries real logic (D4, TODO 1).
|
||||
|
||||
Inline ASCII diagram comments to add during implementation: `AuthCache` (write
|
||||
ordering diagram above), the composition root (wiring diagram), the
|
||||
validate/authorize/dispatch module (pipeline diagram), and the interleaving test
|
||||
(setup diagram). No existing diagrams were found in this repo to go stale.
|
||||
|
||||
## Tests
|
||||
|
||||
Test framework: none detected (no CLAUDE.md Testing section, no runtime markers in
|
||||
this repo). Coverage diagram produced; test file generation deferred to
|
||||
implementation, where naming follows the host repo's convention.
|
||||
|
||||
### REGRESSION (CRITICAL, mandatory)
|
||||
`PLAN.md:27-28` — "legacyAuthFlow() will get rewritten as part of this work; no
|
||||
regression test for the prior behavior is planned." This is existing behavior being
|
||||
modified with no covering test. **PR1 adds characterization tests that pin every
|
||||
observable outcome of `legacyAuthFlow()`** (valid token, expired, bad signature,
|
||||
wrong tenant, wrong audience, revoked, suspended tenant, IDP unreachable) before any
|
||||
rewrite. They run against the legacy path in PR1, against both paths in PR2, and are
|
||||
folded into pipeline tests in PR3. Pre-authorized by the regression rule.
|
||||
|
||||
### Issue 4 — Adapter tests do not prove invalidation through the facade
|
||||
`[P1] (confidence: 8/10) PLAN.md:12-16` — existing tests stay at the adapter level;
|
||||
coverage for new components is "success/error paths" only.
|
||||
**Decision 4A (D8): facade invalidation integration tests + E2E auth journeys.**
|
||||
|
||||
### Coverage diagram
|
||||
|
||||
```
|
||||
CODE PATHS USER FLOWS
|
||||
[+] auth/legacy/legacyAuthFlow (PR1 oracle) [+] Login → request → logout
|
||||
└── [GAP][CRITICAL REGRESSION] 8 characterization cases ├── [GAP][→E2E] login → ok → logout → denied
|
||||
[~] auth/dispatch/validateAndDispatch → 3 stages (3A) ├── [GAP][→E2E] suspension mid-session → denied
|
||||
├── validate() ├── [GAP][→E2E] expiry mid-session → expiry reason
|
||||
│ ├── [GAP] ok └── [GAP][→E2E] IDP unreachable → clear error, no hang
|
||||
│ ├── [GAP] malformed / expired / bad_sig
|
||||
│ └── [GAP] idp_unavailable / idp_timeout [+] Tenant isolation
|
||||
├── authorize() ├── [GAP] tenant A token vs tenant B resource → denied
|
||||
│ ├── [GAP] ok └── [GAP] missing tenantId → rejected at facade
|
||||
│ └── [GAP] forbidden / policy_mismatch
|
||||
└── dispatch(): [GAP] kind → status mapping, one per kind [+] Interaction edge cases
|
||||
[+] auth/idp/IdpClient (5A) ├── [GAP] double-submit login → one session
|
||||
├── [GAP] metadata cached within TTL, refetched after └── [GAP] concurrent mint + revoke (both orders)
|
||||
├── [GAP] one call times out → named failure kind
|
||||
├── [GAP] one call 5xx → others still reported
|
||||
└── [GAP] latency bounded by max, not sum
|
||||
[+] auth/cache/AuthCache (1A, 2A)
|
||||
├── [GAP] get/put/invalidate per tenant
|
||||
├── [GAP] put with stale generation dropped
|
||||
└── [★★★ TESTED at adapter level] eviction + 3 invalidation hooks — existing adapter tests
|
||||
└── [GAP] same 4 triggers visible THROUGH the facade (logout, revoke, suspend, expiry)
|
||||
[+] auth/bootstrap composition root
|
||||
└── [GAP] services receive the same AuthCache; fake cache injectable in tests
|
||||
|
||||
COVERAGE: 1/25 paths tested (4%) | Code paths: 1/17 (6%) | User flows: 0/8 (0%)
|
||||
QUALITY: ★★★:1 ★★:0 ★:0 | GAPS: 24 (4 E2E, 0 eval, 1 CRITICAL regression)
|
||||
```
|
||||
|
||||
Legend: ★★★ behavior + edge + error | ★★ happy path | ★ smoke check
|
||||
[→E2E] = needs integration test | [→EVAL] = needs LLM eval (none: no LLM calls)
|
||||
|
||||
### Test requirements added to the plan
|
||||
|
||||
- **PR1, unit (CRITICAL):** `legacyAuthFlow` characterization suite, 8 cases above, recorded outputs become the parity oracle.
|
||||
- **PR1, unit:** one test per result kind for `validate`, `authorize`, `dispatch`; assert no error is swallowed (spy on logger, assert kind + tenant present).
|
||||
- **PR1, unit:** `IdpClient` timeout, 5xx, metadata TTL hit/miss, latency bound.
|
||||
- **PR2, unit:** `AuthCache` tenant-scoped get/put/invalidate; stale-generation put dropped.
|
||||
- **PR2, integration:** for each of logout, revocation, suspension, expiry: write via `SessionMint`, read via `AuthBroker` through `AuthCache`, assert miss; cross-tenant read rejected; mint/revoke interleaving both orders.
|
||||
- **PR2, E2E (fake IDP):** the four journeys in the diagram plus double-submit login.
|
||||
- **PR2, parity:** characterization suite passes with the flag on and off.
|
||||
- **PR3:** characterization suite folded into pipeline tests; delete shim.
|
||||
|
||||
QA test plan artifact written for `/qa` and `/qa-only`:
|
||||
`~/.gstack/projects/gstack-plan-count-u2LYM3/vercel-sandbox-main-eng-review-test-plan-20260910-142850.md`
|
||||
|
||||
## Performance
|
||||
|
||||
### Issue 5 — Five sequential IDP calls
|
||||
`[P2] (confidence: 6/10, medium: verify which of the 5 calls are per-token vs.
|
||||
static IDP metadata) PLAN.md:31-32` — "5 sequential API calls to the IDP; they
|
||||
could be parallelized via Promise.all trivially."
|
||||
**Decision 5A (D9): cache static IDP metadata; parallelize the rest with per-call
|
||||
timeout and typed failure mapping.** Classify the five calls in PR1. Signing-key and
|
||||
discovery-style calls move to a TTL cache keyed by issuer. Remaining per-token calls
|
||||
run via `Promise.allSettled` with an `AbortSignal` timeout each, mapped into the
|
||||
typed result from 3A. Plain `Promise.all` was rejected because it fails fast, loses
|
||||
which call failed, and multiplies IDP load five-fold at login spikes.
|
||||
|
||||
```
|
||||
before: ─call1─▶─call2─▶─call3─▶─call4─▶─call5─▶ latency = sum(5)
|
||||
after: metadata cache (TTL) ── hit ──┐
|
||||
├─▶ allSettled(per-token calls, each with timeout)
|
||||
│ latency = max(remaining), each failure named
|
||||
└─ miss → fetch once, then as above
|
||||
```
|
||||
|
||||
No N+1 query pattern (repeated per-item database calls) applies; no database access
|
||||
changes in this plan. Memory: the metadata cache holds one small document per issuer.
|
||||
|
||||
## Failure modes
|
||||
|
||||
| New codepath | Failure | Test? | Handling? | User sees | Gap |
|
||||
|---|---|---|---|---|---|
|
||||
| `AuthCache.put` after revoke | mint resurrects revoked token | Yes (interleaving, 2A) | Yes (generation check) | denied, reason logged | closed (was critical in original plan) |
|
||||
| `validate` stage | error swallowed, wrong branch runs | Yes (per-kind, 3A) | Yes (typed result) | specific denial reason | closed (was critical in original plan) |
|
||||
| `AuthBroker` read | missing tenantId | Yes (facade rejection) | Yes (signature) | denied | closed |
|
||||
| `IdpClient` | one call hangs | Yes (timeout) | Yes (per-call abort) | `idp_timeout` within budget | closed |
|
||||
| `IdpClient` | 5xx on one call | Yes | Yes (allSettled) | failure names the call | closed |
|
||||
| metadata cache | key rotation inside TTL | Yes (refetch after TTL) | Partial | bad_sig until TTL expires | accepted, see NOT in scope |
|
||||
| delegation shim | flag flips mid-request | Yes (parity both paths) | flag read once per request | consistent outcome | closed |
|
||||
| composition root | fake cache leaks into prod wiring | Yes (single root test) | Yes | none | closed |
|
||||
|
||||
Critical gaps flagged in the original plan: 2 (mint-after-revoke race; swallowed
|
||||
auth errors). Both closed by approved remedies 2A and 3A. Open critical gaps: 0.
|
||||
|
||||
## NOT in scope
|
||||
|
||||
- **Big-bang rewrite of `legacyAuthFlow()` in one PR** — replaced by strangler fig across PR1-PR3 (D4).
|
||||
- **`TokenStore` as a separate class** — folded into `AuthCache`; revisit in PR2 only if it is durable storage the adapter cannot provide (D4).
|
||||
- **`RequestPolicy` as a separate class** — built only if PR2 shows logic beyond the adapter's policy-version key; otherwise TODO 1 (D10).
|
||||
- **IDP circuit breaker and backoff** — genuine follow-up needing PR1 latency data; TODO 2 (D11).
|
||||
- **Signing-key rotation inside the metadata TTL** — accepted risk; a `kid`-miss-triggered refetch is a candidate follow-up, not required for this refactor.
|
||||
- **Serializing mutations inside the adapter itself** — ordering is enforced in the single-writer facade; pushing it into the adapter would change a shared component the plan promises to leave unchanged.
|
||||
- **Distribution pipeline** — no new binary, package, or image is introduced; nothing to publish.
|
||||
- **UI changes** — none; no design review needed.
|
||||
|
||||
## Worktree parallelization strategy
|
||||
|
||||
| Step | Modules touched | Depends on |
|
||||
|---|---|---|
|
||||
| PR1-a characterization tests | auth/legacy/, auth/__tests__/ | — |
|
||||
| PR1-b IdpClient cache + parallel + timeouts | auth/idp/, auth/__tests__/ | — |
|
||||
| PR1-c split validateAndDispatch | auth/dispatch/, auth/__tests__/ | PR1-a (tests must exist first) |
|
||||
| PR2-a AuthCache facade + composition root | auth/cache/, auth/bootstrap/ | PR1 merged |
|
||||
| PR2-b AuthBroker | auth/broker/ | PR2-a |
|
||||
| PR2-c SessionMint | auth/mint/ | PR2-a |
|
||||
| PR2-d facade integration + E2E + delegation shim | auth/__tests__/integration/, e2e/auth/, auth/legacy/ | PR2-b, PR2-c |
|
||||
| PR3 retire legacy | auth/legacy/, auth/__tests__/ | PR2 in production with parity |
|
||||
|
||||
Lanes:
|
||||
- `Lane A: PR1-a → PR1-c (sequential, shared auth/__tests__/ and tests-first ordering)`
|
||||
- `Lane B: PR1-b (independent)`
|
||||
- `Lane C: PR2-a (after PR1 merge)`
|
||||
- `Lane D: PR2-b (after C)` and `Lane E: PR2-c (after C)` run in parallel
|
||||
- `Lane F: PR2-d (after D + E)` then `PR3` sequential.
|
||||
|
||||
Execution order: launch A + B in parallel worktrees, merge both as PR1. Then C. Then
|
||||
D + E in parallel worktrees, merge. Then F. Then PR3.
|
||||
|
||||
Conflict flags: Lanes A and B both add files under auth/__tests__/; keep test files
|
||||
per module (legacy vs idp) to avoid merge conflicts. Lanes D and E both consume
|
||||
`AuthCache` from C but touch disjoint directories; no conflict expected.
|
||||
|
||||
## Implementation Tasks
|
||||
Synthesized from this review's findings. Each task derives from a specific
|
||||
finding above. Run with Claude Code or Codex; checkbox as you ship.
|
||||
Module paths are directory-level intent; the repo under review contains no source,
|
||||
so exact file names are set at implementation time.
|
||||
|
||||
- [ ] **T1 (P1, human: ~1 day / CC: ~20 min)** — PR1 legacy auth — Write characterization (regression) tests pinning `legacyAuthFlow()` prior behavior before any rewrite
|
||||
- Surfaced by: Test review REGRESSION RULE — PLAN.md:27-28 rewrites legacyAuthFlow with no regression test
|
||||
- Files: auth/legacy/, auth/__tests__/
|
||||
- Verify: suite green against unmodified legacy path; 8 cases recorded as oracle
|
||||
- [ ] **T2 (P1, human: ~1 day / CC: ~15 min)** — PR1 validateAndDispatch — Split into validate/authorize/dispatch stages returning a typed result; no catch swallows
|
||||
- Surfaced by: Code quality 3A — PLAN.md:23-24 three nested try/catch each swallowing an error class
|
||||
- Files: auth/dispatch/, auth/__tests__/
|
||||
- Verify: one unit test per result kind; logger spy asserts tenant + kind on every failure; T1 still green
|
||||
- [ ] **T3 (P2, human: ~1 day / CC: ~20 min)** — PR1 IDP client — Classify the 5 IDP calls; TTL-cache static metadata by issuer; run per-token calls via `Promise.allSettled` with per-call `AbortSignal` timeout mapped to typed failures
|
||||
- Surfaced by: Performance 5A — PLAN.md:31-32 five sequential IDP calls
|
||||
- Files: auth/idp/, auth/__tests__/
|
||||
- Verify: timeout, 5xx, TTL hit/miss, latency-bound tests
|
||||
- [ ] **T4 (P1, human: ~1 day / CC: ~20 min)** — PR2 AuthCache facade — Implement `AuthCache` as the single writer over the existing adapter: every method takes `tenantId`; `put` carries policy version + generation and is dropped after a newer invalidation for that key
|
||||
- Surfaced by: Architecture 1A + 2A — PLAN.md:10,19-20 unserialized mutations by two services on a shared cache
|
||||
- Files: auth/cache/
|
||||
- Verify: stale-generation put dropped; tenant-scoped get/put/invalidate tests
|
||||
- [ ] **T5 (P1, human: ~half day / CC: ~10 min)** — PR2 composition root — Construct `AuthCache` once at the composition root and inject into `AuthBroker` and `SessionMint` constructors; remove the module-level export
|
||||
- Surfaced by: Architecture 1A — PLAN.md:19-20 module-level shared mutable export
|
||||
- Files: auth/bootstrap/, auth/broker/, auth/mint/
|
||||
- Verify: grep shows no module-level `AuthCache` export; both services unit-tested with a fake cache
|
||||
- [ ] **T6 (P1, human: ~1 day / CC: ~20 min)** — PR2 facade tests — Integration tests: logout, revocation, suspension, expiry each visible through `AuthCache` reads; cross-tenant read rejected; mint/revoke interleaving in both orders never serves a revoked token
|
||||
- Surfaced by: Tests 4A + Architecture 2A — PLAN.md:12-16 adapter tests only, no facade-level coverage
|
||||
- Files: auth/__tests__/integration/
|
||||
- Verify: all 4 triggers + isolation + both interleavings green
|
||||
- [ ] **T7 (P1, human: ~1 day / CC: ~20 min)** — PR2 E2E — Journeys with a fake IDP: login→ok→logout→denied; suspension mid-session; expiry mid-session; IDP unreachable yields clear error within timeout; double-submit login yields one session
|
||||
- Surfaced by: Tests 4A — no end-to-end auth journey in PLAN.md:14-16
|
||||
- Files: e2e/auth/
|
||||
- Verify: E2E suite green with flag on and off
|
||||
- [ ] **T8 (P2, human: ~half day / CC: ~10 min)** — PR2 strangler fig — Make `legacyAuthFlow` delegate to the new pipeline behind a feature flag; T1 characterization tests pass against both paths
|
||||
- Surfaced by: Step 0 D4 scope reduction — strangler fig instead of big-bang rewrite
|
||||
- Files: auth/legacy/
|
||||
- Verify: T1 suite green with flag on and off
|
||||
- [ ] **T9 (P2, human: ~half day / CC: ~10 min)** — PR3 retire legacy — Delete `legacyAuthFlow` and the delegation shim once parity holds in production; fold characterization tests into pipeline tests
|
||||
- Surfaced by: Step 0 D4 scope reduction — PR3
|
||||
- Files: auth/legacy/, auth/__tests__/
|
||||
- Verify: no references to legacyAuthFlow remain; full suite green
|
||||
- [ ] **T10 (P3, human: ~30 min / CC: ~3 min)** — Post-plan-mode housekeeping — Create TODOS.md entries (TODO 1 RequestPolicy evaluation; TODO 2 IDP circuit breaker) and append gstack skill routing rules to CLAUDE.md, then commit
|
||||
- Surfaced by: D1, D10, D11 — writes deferred because plan mode permits editing only the plan file
|
||||
- Files: TODOS.md, CLAUDE.md
|
||||
- Verify: both files committed on a non-main branch or as directed
|
||||
|
||||
Tasks JSONL for `/autoplan`:
|
||||
`~/.gstack/projects/gstack-plan-count-u2LYM3/tasks-eng-review-20260910-143141.jsonl` (10 tasks)
|
||||
|
||||
## TODOS.md entries (to create at implementation start, format per gstack TODOS-format)
|
||||
|
||||
### Decide RequestPolicy's fate after PR2
|
||||
**What:** Audit what `RequestPolicy` (PLAN.md:35) was meant to hold; build it as a small pure module or close the idea.
|
||||
**Why:** The scope reduction keeps it only if it carries logic beyond the adapter's existing policy-version key; without a note the intent is lost.
|
||||
**Context:** PLAN.md names it with no description. The adapter already keys on policy version (PLAN.md:7). Start by listing every place a policy decision is made in `authorize()` after PR2.
|
||||
**Effort:** S **Priority:** P3 **Depends on:** PR2 merged
|
||||
|
||||
### IDP circuit breaker and backoff
|
||||
**What:** Wrap per-token IDP calls in a breaker keyed by issuer with exponential backoff; serve a fast `idp_unavailable` while open.
|
||||
**Why:** 5A bounds per-request latency but under a login spike with a degraded IDP every request still spends its full timeout budget and full call fan-out.
|
||||
**Context:** PR1 lands per-call timeouts and typed failures, which is the hook a breaker needs. Tune thresholds from production latency after PR1.
|
||||
**Effort:** M **Priority:** P3 **Depends on:** PR1 merged; production latency data
|
||||
|
||||
## Decisions log
|
||||
|
||||
| ID | Question | Chosen | Completeness |
|
||||
|---|---|---|---|
|
||||
| D1 | Add gstack routing rules to CLAUDE.md | A: add (deferred to T10 by plan mode) | kind |
|
||||
| D2 | Run /office-hours first | B: standard review | 7/10 |
|
||||
| D3 | Cross-project learnings | A: enabled | kind |
|
||||
| D4 | Scope: 12 files / 5 components | A: 3 sequenced PRs, one facade | kind |
|
||||
| D5 | Issue 1 shared singleton | 1A: inject at composition root, tenant-scoped API | 10/10 |
|
||||
| D6 | Issue 2 unserialized mutations | 2A: single writer, invalidation-wins | 10/10 |
|
||||
| D7 | Issue 3 nested try/catch | 3A: typed stages | 10/10 |
|
||||
| D8 | Issue 4 facade + E2E coverage | 4A: both | 10/10 |
|
||||
| D9 | Issue 5 IDP calls | 5A: cache metadata + allSettled + timeouts | 10/10 |
|
||||
| D10 | TODO 1 RequestPolicy | A: add | kind |
|
||||
| D11 | TODO 2 circuit breaker | A: add | kind |
|
||||
|
||||
Durable decision ids: scope `bcaa148b-750a-45f0-a14e-254e3792a24a`, architecture `ed428d7c-ca2d-4e2c-bc71-738ad200d92a`.
|
||||
|
||||
## Completion summary
|
||||
|
||||
- Step 0: Scope Challenge — scope reduced per recommendation (3 PRs, TokenStore folded, RequestPolicy conditional)
|
||||
- Architecture Review: 2 issues found (both resolved: 1A, 2A)
|
||||
- Code Quality Review: 1 issue found (resolved: 3A)
|
||||
- Test Review: diagram produced, 24 gaps identified (1 CRITICAL regression, 4 E2E); all added as requirements
|
||||
- Performance Review: 1 issue found (resolved: 5A)
|
||||
- NOT in scope: written
|
||||
- What already exists: written
|
||||
- TODOS.md updates: 2 items proposed to user, 2 accepted
|
||||
- Failure modes: 2 critical gaps flagged in the original plan, both closed; 0 open
|
||||
- Outside voice: skipped (codex_reviews disabled)
|
||||
- Parallelization: 6 lanes, 2 parallel pairs (A+B, D+E) / rest sequential
|
||||
- Lake Score: 5/5 recommendations chose complete option
|
||||
|
||||
## Review readiness dashboard
|
||||
|
||||
```
|
||||
+====================================================================+
|
||||
| REVIEW READINESS DASHBOARD |
|
||||
+====================================================================+
|
||||
| Review | Runs | Last Run | Status | Required |
|
||||
|-----------------|------|---------------------|-----------|----------|
|
||||
| Eng Review | 1 | 2026-09-10 14:31 | CLEAR (PLAN) | YES |
|
||||
| CEO Review | 0 | — | — | no |
|
||||
| Design Review | 0 | — | — | no |
|
||||
| Adversarial | 0 | — | — | no |
|
||||
| Outside Voice | 1 | 2026-09-10 14:28 | SKIPPED (disabled) | no |
|
||||
+--------------------------------------------------------------------+
|
||||
| VERDICT: CLEARED — Eng Review passed |
|
||||
+====================================================================+
|
||||
```
|
||||
|
||||
Staleness: both entries record commit `1d48c77`, matching HEAD. No staleness notes.
|
||||
Next steps: no UI scope, so no design review; a refactor, not a product change, so no
|
||||
CEO review. All relevant reviews complete. Run /ship when ready.
|
||||
|
||||
## GSTACK REVIEW REPORT
|
||||
|
||||
| Review | Trigger | Why | Runs | Status | Findings |
|
||||
|--------|---------|-----|------|--------|----------|
|
||||
| CEO Review | `/plan-ceo-review` | Scope & strategy | 0 | — | — |
|
||||
| Outside Review | codex via `/plan-eng-review` (host: claude, phase: plan-review) | Independent 2nd opinion | 1 | disabled | skipped, codex_reviews disabled; no outside coverage |
|
||||
| Eng Review | `/plan-eng-review` | Architecture & tests (required) | 1 | clean (SCOPE_REDUCED) | 6 issues, 0 critical gaps |
|
||||
| Design Review | `/plan-design-review` | UI/UX gaps | 0 | — | — |
|
||||
| DX Review | `/plan-devex-review` | Developer experience gaps | 0 | — | — |
|
||||
|
||||
- **OUTSIDE COVERAGE:** provider codex, phase plan-review, outside_status disabled (user config `codex_reviews=disabled`), no findings; no native fallback dispatched because disabled is a terminal opt-out. Re-enable: `gstack-config set codex_reviews enabled`.
|
||||
- **VERDICT:** ENG CLEARED — ready to implement (PR1 first).
|
||||
|
||||
NO UNRESOLVED DECISIONS
|
||||
-71
@@ -1,71 +0,0 @@
|
||||
{
|
||||
"source": "90f099817ac7e56cddafbd6fdac4c12dfd70f4a4",
|
||||
"kind": "captured-public-native-input",
|
||||
"originalPaidOutcome": "pending at capture; this fixture assigns no paid result",
|
||||
"observationSha256": "85ff4bf39ec87b38ca8bd3f47fe64f93fe80b01e450e8103d8724fa513d89c05",
|
||||
"captureAt": "2026-09-15T16:05:07.348Z",
|
||||
"plan": "Please review this plan thoroughly. Write the full reviewed implementation plan, including its final ## GSTACK REVIEW REPORT section, to /tmp/gstack-owned-display-5rq8vgtz/gstack-paid-shard-ZkxGCU/tmp/gstack-e2e-plan-eng-SEQbYK/gstack-test-plan-eng.md (use Edit/Write to that exact path).\nThe separate QA Test Plan artifact belongs at the skill-prescribed test-plan path; keep this requested deliverable as the full reviewed implementation plan.\n\n# Plan: Multi-tenant Auth Refactor\n\n## Existing contracts retained\nThe existing cache adapter keys entries by tenant ID, issuer, audience,\nand policy version. It evicts expired tokens and invalidates entries on\nlogout, token revocation, or tenant suspension. AuthCache retains these\nunchanged validity and tenant-key rules; they do not serialize mutations.\nAuthCache is a service-facing facade over that same existing adapter,\nwith one backing cache. The adapter, its invalidation hooks, and their\nexisting tests remain in use unchanged.\nUnit and integration coverage is planned for the new components and their\nsuccess/error paths. That coverage does not exercise legacyAuthFlow() or\nassert compatibility with its prior behavior.\n\n## Architecture\nTwo new services (`AuthBroker` and `SessionMint`) share a global mutable\n`AuthCache` instance via module-level export. Both services mutate it.\n\n## Code quality\nThe `validateAndDispatch()` function is 60 lines with three nested\ntry/catch blocks; each catch swallows a different error class.\n\n## Tests\nThe existing `legacyAuthFlow()` will get rewritten as part of this work;\nno regression test for the prior behavior is planned.\n\n## Performance\nToken validation issues 5 sequential API calls to the IDP; they could be\nparallelized via Promise.all trivially (calls are independent).\n\n## Architecture (scope smell)\nThis touches 12 files and introduces 4 new classes (TokenStore,\nSessionMint, AuthCache, RequestPolicy). Worth flagging the complexity check.",
|
||||
"planSha256": "9b7790eef8c77ae904c85387896bf53bae6b1dbbccc1a26469fabb425d72e2f0",
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "8cb0e220-9725-4e5f-a661-26a09d18a235",
|
||||
"toolUseId": "toolu_01D5eTfE8V19aRE7ZqKQaTqZ",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — Keep TokenStore as a separate new class, or fold its role into AuthCache?\nProject/branch/task: Multi-tenant Auth Refactor on `main`; PLAN.md:35 introduces TokenStore alongside AuthCache, which PLAN.md:11-12 already defines as the facade over the one existing cache adapter.\nELI10: The plan ends up with three places that hold tokens: the existing cache adapter (keyed by tenant/issuer/audience/policy version), AuthCache (a new wrapper over that same adapter), and TokenStore (a new class the plan never describes). If TokenStore is just another wrapper for the same tokens, it is a duplicate layer that every bug fix has to be applied to twice. If it holds something genuinely different (refresh tokens? IDP signing keys?), it deserves its own home but the plan needs to say so.\nStakes if we pick wrong: Folding it when it holds a different kind of data forces it back out later; keeping it when it duplicates AuthCache means two invalidation paths that can drift (a revoked token evicted from one but not the other).\nRecommendation: B because the plan gives TokenStore no responsibility distinct from AuthCache, and PLAN.md:12 already commits to \"one backing cache\"; a second store contradicts that contract unless it is justified.\nNote: options differ in kind, not coverage — no completeness score.\nNet: fewer moving parts and one invalidation path vs. a possible future re-split if TokenStore turns out to hold distinct data.",
|
||||
"header": "TokenStore",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Fold TokenStore into AuthCache: one storage facade (recommended)",
|
||||
"description": "✅ One invalidation path: logout/revocation/suspension hooks (PLAN.md:8-9) have a single place to hit.\n✅ Honors the stated \"one backing cache\" contract at PLAN.md:12; drops one class and its tests from the 12-file diff.\n❌ If TokenStore was meant to hold non-token material (keys, refresh grants), that role must be re-homed later (human: ~half day / CC: ~10 min)."
|
||||
},
|
||||
{
|
||||
"label": "Keep TokenStore as its own class (original plan)",
|
||||
"description": "✅ Matches the plan as written; no re-scoping of the storage layer now.\n✅ Leaves room for TokenStore to own a distinct data type if that was the unstated intent.\n❌ Plan must gain a one-paragraph responsibility statement and an explanation of how it stays consistent with AuthCache's invalidation."
|
||||
},
|
||||
{
|
||||
"label": "Hold: I'll state what TokenStore holds before deciding",
|
||||
"description": "✅ Avoids guessing about an undocumented component's purpose.\n✅ Lets the structure question (D6) wait for a grounded answer.\n❌ Pauses the scope gate; Section 1 cannot start until this resolves."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Keep TokenStore as a separate new class, or fold its role into AuthCache?\nProject/branch/task: Multi-tenant Auth Refactor on `main`; PLAN.md:35 introduces TokenStore alongside AuthCache, which PLAN.md:11-12 already defines as the facade over the one existing cache adapter.\nELI10: The plan ends up with three places that hold tokens: the existing cache adapter (keyed by tenant/issuer/audience/policy version), AuthCache (a new wrapper over that same adapter), and TokenStore (a new class the plan never describes). If TokenStore is just another wrapper for the same tokens, it is a duplicate layer that every bug fix has to be applied to twice. If it holds something genuinely different (refresh tokens? IDP signing keys?), it deserves its own home but the plan needs to say so.\nStakes if we pick wrong: Folding it when it holds a different kind of data forces it back out later; keeping it when it duplicates AuthCache means two invalidation paths that can drift (a revoked token evicted from one but not the other).\nRecommendation: B because the plan gives TokenStore no responsibility distinct from AuthCache, and PLAN.md:12 already commits to \"one backing cache\"; a second store contradicts that contract unless it is justified.\nNote: options differ in kind, not coverage — no completeness score.\nNet: fewer moving parts and one invalidation path vs. a possible future re-split if TokenStore turns out to hold distinct data.": "Fold TokenStore into AuthCache: one storage facade (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T16:01:20.021Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "8cb0e220-9725-4e5f-a661-26a09d18a235",
|
||||
"toolUseId": "toolu_01Nw558ayvDbXxrmAs76VYSz",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D6 — Which class/module arrangement for the remaining new units?\nProject/branch/task: Multi-tenant Auth Refactor on `main`; after D4 (strangler) and D5 (TokenStore folded), the plan still introduces AuthBroker, SessionMint, AuthCache and RequestPolicy (PLAN.md:19, :35-36).\nELI10: Both options keep the same features: the two services, the AuthCache facade over the existing adapter, the per-tenant cutover flag, and all retained contracts at PLAN.md:7-13. The only difference is whether RequestPolicy is a class with its own lifecycle or a plain immutable data type plus a pure function (input: tenant + request, output: the policy to apply). Policies are lookups, not things with behavior over time, so a class adds ceremony without adding safety. How AuthCache is shared between the two services (module global vs. injected) is NOT decided here; that is the first Architecture question.\nStakes if we pick wrong: A class-shaped RequestPolicy tends to accrete mutable state and becomes a fourth thing to mock in every test; a plain type is trivially testable but if policy later needs caching or hot-reload it would grow a wrapper.\nRecommendation: A because RequestPolicy's only stated input is the existing \"policy version\" key (PLAN.md:8); a pure function over that is explicit, DRY, and drops the new-unit count from 5 to 3.\nNote: options differ in kind, not coverage — no completeness score.\nNet: three new units and a pure policy function vs. four units with a policy class that has no stated state yet.",
|
||||
"header": "Structure",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3 units: AuthBroker, SessionMint, AuthCache; RequestPolicy as plain type + resolvePolicy() (recommended)",
|
||||
"description": "✅ New-unit count goes 5 → 3; RequestPolicy becomes an immutable type and one pure function that unit-tests in a table.\n✅ No lifecycle or mocking for policy; both services call resolvePolicy() directly and stay explicit.\n❌ If policy resolution later needs its own cache or hot reload, a small wrapper gets added then (human: ~2h / CC: ~5 min)."
|
||||
},
|
||||
{
|
||||
"label": "4 units: AuthBroker, SessionMint, AuthCache, RequestPolicy class (original minus TokenStore)",
|
||||
"description": "✅ Closest to the plan as written; only the D5 fold changes the class list.\n✅ A class gives policy an obvious extension point if it grows behavior.\n❌ A fourth stateful unit to construct, inject and mock in every service test, with no stated state today."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D6 — Which class/module arrangement for the remaining new units?\nProject/branch/task: Multi-tenant Auth Refactor on `main`; after D4 (strangler) and D5 (TokenStore folded), the plan still introduces AuthBroker, SessionMint, AuthCache and RequestPolicy (PLAN.md:19, :35-36).\nELI10: Both options keep the same features: the two services, the AuthCache facade over the existing adapter, the per-tenant cutover flag, and all retained contracts at PLAN.md:7-13. The only difference is whether RequestPolicy is a class with its own lifecycle or a plain immutable data type plus a pure function (input: tenant + request, output: the policy to apply). Policies are lookups, not things with behavior over time, so a class adds ceremony without adding safety. How AuthCache is shared between the two services (module global vs. injected) is NOT decided here; that is the first Architecture question.\nStakes if we pick wrong: A class-shaped RequestPolicy tends to accrete mutable state and becomes a fourth thing to mock in every test; a plain type is trivially testable but if policy later needs caching or hot-reload it would grow a wrapper.\nRecommendation: A because RequestPolicy's only stated input is the existing \"policy version\" key (PLAN.md:8); a pure function over that is explicit, DRY, and drops the new-unit count from 5 to 3.\nNote: options differ in kind, not coverage — no completeness score.\nNet: three new units and a pure policy function vs. four units with a policy class that has no stated state yet.": "3 units: AuthBroker, SessionMint, AuthCache; RequestPolicy as plain type + resolvePolicy() (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-15T16:01:44.116Z"
|
||||
}
|
||||
]
|
||||
}
|
||||
Vendored
-15
@@ -1,15 +0,0 @@
|
||||
/** Local PTY child; never runs inside the shared test process. */
|
||||
if (import.meta.main) {
|
||||
const scenario = process.argv[2];
|
||||
if (!['normal', 'already-exited', 'body-error'].includes(scenario)) {
|
||||
throw new Error('Expected a native viewport scenario');
|
||||
}
|
||||
const paint = () => {
|
||||
const rows = process.stdout.rows;
|
||||
process.stdout.write('\x1b[2J\x1b[HNATIVE:' + process.stdout.columns + 'x' + rows + '\x1b[' + (rows - 2) + ';1HLOW:' + rows);
|
||||
};
|
||||
process.stdout.on('resize', paint);
|
||||
paint();
|
||||
setInterval(() => {}, 1000);
|
||||
if (scenario === 'already-exited') setTimeout(() => process.exit(0), 1200);
|
||||
}
|
||||
-39
@@ -1,39 +0,0 @@
|
||||
# Existing payment function
|
||||
|
||||
This private application module already runs in Bun. The proposal considers
|
||||
verification of `processPayment()` in `src/payment.ts`; it changes no runtime
|
||||
behavior, dependency, public API, persistence or deployment. Run the existing
|
||||
contract tests with `bun test contract.test.ts`. No install, credentials,
|
||||
network service or real clock is needed.
|
||||
|
||||
Repository convention: public-function contracts live in `contract.test.ts`,
|
||||
with inline `PaymentIO` stubs in each case, as in the existing tests. Extend that
|
||||
suite for additional contracts; there is no separate test framework or shared
|
||||
mock-helper layer to design for this change.
|
||||
|
||||
The injected `chargeOnce` transport makes one Stripe request per invocation and
|
||||
returns a validated charge ID or a `ProviderError`. It has no automatic retries.
|
||||
`processPayment` owns the sole retry: a 502 or timeout waits 100 ms, then tries
|
||||
once more with the same frozen request and idempotency key. A second such failure
|
||||
throws `PaymentFailure` with the last cause, key and `outcomeUnknown: true`.
|
||||
An earlier uncertain outcome stays unknown even if the retry fails with a different
|
||||
error. This means the charge is unconfirmed, never proof that no charge happened; the
|
||||
existing caller reconciles that key instead of starting a fresh payment. Decline,
|
||||
invalid-request and authentication errors are not retried.
|
||||
If the injected wait rejects, no second transport call starts: `PaymentFailure`
|
||||
preserves that wait error as its cause and the earlier unknown charge outcome.
|
||||
|
||||
A receipt here is the returned scalar value (charge ID, amount in minor units,
|
||||
currency). No separate receipt builder, storage or email can fail after the
|
||||
charge. Input validation runs before transport. The module never handles card
|
||||
data, credentials, logging, webhooks or request admission; those remain in the
|
||||
unchanged calling application and transport. No API or SDK migration is proposed.
|
||||
|
||||
Existing tests cover invalid input, nonretryable errors (including cause identity),
|
||||
and recovery after a first 502 or timeout. Recovery checks retry ownership, a frozen request
|
||||
and receipt despite caller mutation, and that the second transport call cannot
|
||||
start until the injected 100 ms wait resolves. Mixed retryable-then-nonretryable
|
||||
failures preserve the unknown outcome and final cause. A rejecting wait is wrapped
|
||||
without another transport call. These are existing tested contracts.
|
||||
The function and these existing contracts are available for inspection; report
|
||||
any actual additional defect rather than assuming undocumented payment features.
|
||||
@@ -1,87 +0,0 @@
|
||||
import { expect, test } from 'bun:test';
|
||||
import { PaymentFailure, ProviderError, processPayment, type Payment } from './src/payment';
|
||||
|
||||
const payment: Payment = { key: 'order-42', amount: 1200, currency: 'usd' };
|
||||
|
||||
test.each([null, { ...payment, key: '' }, { ...payment, key: 'x'.repeat(129) },
|
||||
{ ...payment, amount: 0 }, { ...payment, amount: -1 }, { ...payment, amount: 0.5 },
|
||||
{ ...payment, currency: '' }])('invalid inputs never reach the transport: %j', async input => {
|
||||
let calls = 0;
|
||||
await expect(processPayment(input as Payment, {
|
||||
chargeOnce: async () => { calls++; return { id: 'charge-42' }; },
|
||||
sleep: async () => { throw new Error('must not wait'); },
|
||||
})).rejects.toBeInstanceOf(TypeError);
|
||||
expect(calls).toBe(0);
|
||||
});
|
||||
|
||||
test.each(['declined', 'invalid', 'auth'] as const)('%s is never retried', async code => {
|
||||
let calls = 0; const cause = new ProviderError(code);
|
||||
const result = processPayment(payment, {
|
||||
chargeOnce: async () => { calls++; throw cause; },
|
||||
sleep: async () => { throw new Error('must not wait'); },
|
||||
});
|
||||
const failure = await result.then(() => { throw new Error('expected rejection'); }, error => error);
|
||||
expect(failure).toBeInstanceOf(PaymentFailure);
|
||||
expect(failure).toMatchObject({ key: payment.key, outcomeUnknown: false });
|
||||
expect(failure.cause).toBe(cause);
|
||||
expect(calls).toBe(1);
|
||||
});
|
||||
|
||||
test.each(['502', 'timeout'] as const)('recovery after one %s preserves the request, delay and retry ownership', async code => {
|
||||
const input = { ...payment }; const requests: Readonly<Payment>[] = []; const waits: number[] = [];
|
||||
let releaseWait!: () => void;
|
||||
const waiting = new Promise<void>(resolve => { releaseWait = resolve; });
|
||||
let announceWait!: () => void;
|
||||
const sleepStarted = new Promise<void>(resolve => { announceWait = resolve; });
|
||||
const result = processPayment(input, {
|
||||
chargeOnce: async request => {
|
||||
requests.push(request);
|
||||
if (requests.length === 1) { input.key = 'changed'; input.amount = 9999; throw new ProviderError(code); }
|
||||
return { id: 'charge-42' };
|
||||
},
|
||||
sleep: async ms => { waits.push(ms); announceWait(); await waiting; },
|
||||
});
|
||||
// Drain the microtask queue while the injected wait is still unresolved: a
|
||||
// retry that merely calls sleep without awaiting it must not reach transport.
|
||||
await sleepStarted;
|
||||
expect(requests).toHaveLength(1);
|
||||
releaseWait();
|
||||
expect(await result).toEqual({ chargeId: 'charge-42', amount: 1200, currency: 'usd' });
|
||||
expect(requests).toEqual([payment, payment]);
|
||||
expect(requests[0]).toBe(requests[1]);
|
||||
expect(Object.isFrozen(requests[0])).toBe(true);
|
||||
expect(waits).toEqual([100]);
|
||||
});
|
||||
|
||||
test.each([
|
||||
['502', 'declined'], ['502', 'invalid'], ['502', 'auth'],
|
||||
['timeout', 'declined'], ['timeout', 'invalid'], ['timeout', 'auth'],
|
||||
] as const)('uncertain %s followed by %s stays unknown', async (first, second) => {
|
||||
const causes = [new ProviderError(first), new ProviderError(second)];
|
||||
const requests: Readonly<Payment>[] = []; const waits: number[] = [];
|
||||
const result = processPayment(payment, {
|
||||
chargeOnce: async request => { requests.push(request); throw causes[requests.length - 1]; },
|
||||
sleep: async ms => { waits.push(ms); },
|
||||
});
|
||||
const failure = await result.then(() => { throw new Error('expected rejection'); }, error => error);
|
||||
expect(failure).toBeInstanceOf(PaymentFailure);
|
||||
expect(failure).toMatchObject({ key: payment.key, outcomeUnknown: true });
|
||||
expect(failure.cause).toBe(causes[1]);
|
||||
expect(requests).toEqual([payment, payment]);
|
||||
expect(requests[0]).toBe(requests[1]);
|
||||
expect(waits).toEqual([100]);
|
||||
});
|
||||
|
||||
test.each(['502', 'timeout'] as const)('rejected backoff after %s preserves the uncertain failure and stops retrying', async code => {
|
||||
const cause = new Error('wait failed'); const waits: number[] = []; let calls = 0;
|
||||
const result = processPayment(payment, {
|
||||
chargeOnce: async () => { calls++; throw new ProviderError(code); },
|
||||
sleep: async ms => { waits.push(ms); throw cause; },
|
||||
});
|
||||
const failure = await result.then(() => { throw new Error('expected rejection'); }, error => error);
|
||||
expect(failure).toBeInstanceOf(PaymentFailure);
|
||||
expect(failure).toMatchObject({ key: payment.key, outcomeUnknown: true });
|
||||
expect(failure.cause).toBe(cause);
|
||||
expect(calls).toBe(1);
|
||||
expect(waits).toEqual([100]);
|
||||
});
|
||||
-44
@@ -1,44 +0,0 @@
|
||||
export interface Payment { key: string; amount: number; currency: 'usd' }
|
||||
export interface Receipt { chargeId: string; amount: number; currency: 'usd' }
|
||||
export interface PaymentIO {
|
||||
/** Existing transport makes exactly one request, with no SDK retry layer. */
|
||||
chargeOnce(payment: Readonly<Payment>): Promise<{ id: string }>;
|
||||
sleep(ms: number): Promise<void>;
|
||||
}
|
||||
export class ProviderError extends Error {
|
||||
constructor(public readonly code: '502' | 'timeout' | 'declined' | 'invalid' | 'auth') {
|
||||
super(code);
|
||||
}
|
||||
}
|
||||
export class PaymentFailure extends Error {
|
||||
constructor(public readonly key: string, public readonly outcomeUnknown: boolean, cause: unknown) {
|
||||
super('Payment could not be confirmed', { cause });
|
||||
}
|
||||
}
|
||||
|
||||
/** Existing function; this review proposes tests, not a new payment design. */
|
||||
export async function processPayment(payment: Payment, io: PaymentIO): Promise<Receipt> {
|
||||
if (!payment || typeof payment.key !== 'string' || !payment.key || payment.key.length > 128
|
||||
|| !Number.isSafeInteger(payment.amount) || payment.amount <= 0 || payment.currency !== 'usd') {
|
||||
throw new TypeError('Invalid payment');
|
||||
}
|
||||
// Snapshot once: caller mutation cannot change the idempotency key on retry.
|
||||
const request = Object.freeze({ key: payment.key, amount: payment.amount, currency: payment.currency });
|
||||
let outcomeUnknown = false;
|
||||
for (let attempt = 0; ; attempt++) {
|
||||
try {
|
||||
const charge = await io.chargeOnce(request);
|
||||
// Receipt is a value, with no storage, email, formatting or second I/O.
|
||||
return { chargeId: charge.id, amount: request.amount, currency: request.currency };
|
||||
} catch (error) {
|
||||
const retryable = error instanceof ProviderError && (error.code === '502' || error.code === 'timeout');
|
||||
outcomeUnknown ||= retryable;
|
||||
if (!retryable || attempt === 1) throw new PaymentFailure(request.key, outcomeUnknown, error);
|
||||
}
|
||||
try {
|
||||
await io.sleep(100);
|
||||
} catch (cause) {
|
||||
throw new PaymentFailure(request.key, outcomeUnknown, cause);
|
||||
}
|
||||
}
|
||||
}
|
||||
-540
@@ -1,540 +0,0 @@
|
||||
{
|
||||
"source": {
|
||||
"commit": "980abc21",
|
||||
"workflowRun": 35533668862,
|
||||
"attempt": 2,
|
||||
"retainedRange": "focus through first design issue"
|
||||
},
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "75bfb2cc-901f-445b-84dc-6b1c483fe9eb",
|
||||
"toolUseId": "toolu_01Sh1T4EU8cmj9rokTaS8pKR",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D2 — Review all 7 design dimensions, or focus?\nProject/branch/task: `main`, reviewing PLAN.md (User Dashboard Page).\nELI10: I've rated the plan 4/10 on design completeness. The biggest gaps are: no content hierarchy (which panel wins after login?), undesigned first-time-user empty state (a new user lands on three empty boxes), and no tokens (fonts, spacing, colors are all TBD with no DESIGN.md). Next I'll generate visual mockups with the gstack designer, then walk the 7 review passes (Interaction States, AI Slop Risk, Information Architecture, User Journey, Responsive, Accessibility, Specificity), asking you a decision per gap.\nStakes if we pick wrong: a narrow focus is faster but leaves the skipped dimensions at their current ~3/10 and the implementer guesses; the full pass takes longer but every gap gets an explicit decision.\nRecommendation: A because with no DESIGN.md and a greenfield page, every dimension is under-specified; skipping any leaves guesswork in the plan.\nCompleteness: A=10/10, B=6/10, C=4/10\nNet: full rigor now vs. speed now and rework later.",
|
||||
"header": "Focus",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "All 7 dimensions (recommended)",
|
||||
"description": "✅ Every gap gets a decision; the plan becomes buildable without designer guesses (human: ~half a day / CC: ~20 min). ✅ Catches cross-cutting issues like partial failure and toast/mobile collisions. ❌ Longer session with more decision prompts to answer."
|
||||
},
|
||||
{
|
||||
"label": "Hierarchy + states + journey only",
|
||||
"description": "✅ Hits the three highest-impact gaps: what's first, empty/error states, post-login arc. ✅ Roughly half the questions of the full pass. ❌ Responsive, a11y, and token specificity stay unspecified and get improvised in code."
|
||||
},
|
||||
{
|
||||
"label": "Mockups + hierarchy only",
|
||||
"description": "✅ Fastest route to a visual direction you can react to. ✅ Good if a DESIGN.md is coming separately via /design-consultation. ❌ States, journey, a11y, and toast/modal patterns remain at 3/10; implementer decides them."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D2 — Review all 7 design dimensions, or focus?\nProject/branch/task: `main`, reviewing PLAN.md (User Dashboard Page).\nELI10: I've rated the plan 4/10 on design completeness. The biggest gaps are: no content hierarchy (which panel wins after login?), undesigned first-time-user empty state (a new user lands on three empty boxes), and no tokens (fonts, spacing, colors are all TBD with no DESIGN.md). Next I'll generate visual mockups with the gstack designer, then walk the 7 review passes (Interaction States, AI Slop Risk, Information Architecture, User Journey, Responsive, Accessibility, Specificity), asking you a decision per gap.\nStakes if we pick wrong: a narrow focus is faster but leaves the skipped dimensions at their current ~3/10 and the implementer guesses; the full pass takes longer but every gap gets an explicit decision.\nRecommendation: A because with no DESIGN.md and a greenfield page, every dimension is under-specified; skipping any leaves guesswork in the plan.\nCompleteness: A=10/10, B=6/10, C=4/10\nNet: full rigor now vs. speed now and rework later.": "All 7 dimensions (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:04:52.389Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "75bfb2cc-901f-445b-84dc-6b1c483fe9eb",
|
||||
"toolUseId": "toolu_017khLgsWGurNVwJXUyRcR3G",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Run outside design voices before the detailed review?\nProject/branch/task: `main`, reviewing PLAN.md (User Dashboard Page), 7-dimension pass approved.\nELI10: Before I do my own 7-pass review, I can pull in two independent opinions: Codex (OpenAI's model) checks the plan against a set of design hard rules and litmus checks (brand clarity, one visual anchor, cards earning their existence, etc.), and a fresh Claude subagent with no context does a completeness review. Where they agree with me, findings get pre-loaded; where they disagree, you see both sides.\nStakes if we pick wrong: skipping means single-model blind spots go unchallenged; running costs a few minutes and, if Codex isn't installed or authed, only the Claude subagent contributes (tagged single-model).\nRecommendation: A because this plan is greenfield with no DESIGN.md, so independent eyes on hierarchy and slop risk are cheap insurance.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a few minutes of wall time for cross-model disagreement you can actually see.",
|
||||
"header": "Outside voices",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Yes, run outside voices (recommended)",
|
||||
"description": "✅ Codex litmus scorecard plus an independent Claude completeness review, synthesized into the passes. ✅ Disagreements surface explicitly instead of hiding in one model's taste. ❌ Adds a few minutes; Codex may be unavailable in this environment."
|
||||
},
|
||||
{
|
||||
"label": "No, proceed without",
|
||||
"description": "✅ Straight into the 7-pass review, fastest path to decisions. ✅ No dependency on Codex install or auth state. ❌ Single-model review; slop and hierarchy calls rest on one opinion."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Run outside design voices before the detailed review?\nProject/branch/task: `main`, reviewing PLAN.md (User Dashboard Page), 7-dimension pass approved.\nELI10: Before I do my own 7-pass review, I can pull in two independent opinions: Codex (OpenAI's model) checks the plan against a set of design hard rules and litmus checks (brand clarity, one visual anchor, cards earning their existence, etc.), and a fresh Claude subagent with no context does a completeness review. Where they agree with me, findings get pre-loaded; where they disagree, you see both sides.\nStakes if we pick wrong: skipping means single-model blind spots go unchallenged; running costs a few minutes and, if Codex isn't installed or authed, only the Claude subagent contributes (tagged single-model).\nRecommendation: A because this plan is greenfield with no DESIGN.md, so independent eyes on hierarchy and slop risk are cheap insurance.\nNote: options differ in kind, not coverage — no completeness score.\nNet: a few minutes of wall time for cross-model disagreement you can actually see.": "No, proceed without"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:05:46.775Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "75bfb2cc-901f-445b-84dc-6b1c483fe9eb",
|
||||
"toolUseId": "toolu_01EtwDxVuEn7oDvi26nmncsC",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — Enable cross-project learnings search?\nProject/branch/task: `main`, reviewing PLAN.md; about to start Pass 1 (Information Architecture).\nELI10: gstack saves small \"learnings\" (pitfalls, patterns) from each session. It can search learnings from your other projects on this machine to find ones that apply here. This stays local; nothing leaves your machine. Useful for solo developers; skip if you work across client codebases where cross-contamination is a concern.\nStakes if we pick wrong: enabling on a multi-client machine could surface one client's patterns while working on another; disabling just means each project learns on its own. Both are one-line config flips.\nRecommendation: A because this is a one-time local setting and the fixture repo has no learnings yet, so the wider net is the only way to find any.\nNote: options differ in kind, not coverage — no completeness score.\nNet: broader recall vs. strict per-project isolation.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project (recommended)",
|
||||
"description": "✅ Past pitfalls from any project on this machine surface in reviews here. ✅ Fully local; a single gstack-config flag you can flip back anytime. ❌ On shared or multi-client machines, patterns from unrelated codebases may show up."
|
||||
},
|
||||
{
|
||||
"label": "Keep project-scoped only",
|
||||
"description": "✅ Strict isolation; nothing from other codebases influences this review. ✅ Safer default when you work on multiple client projects. ❌ This fresh repo has zero learnings, so the search returns nothing for now."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — Enable cross-project learnings search?\nProject/branch/task: `main`, reviewing PLAN.md; about to start Pass 1 (Information Architecture).\nELI10: gstack saves small \"learnings\" (pitfalls, patterns) from each session. It can search learnings from your other projects on this machine to find ones that apply here. This stays local; nothing leaves your machine. Useful for solo developers; skip if you work across client codebases where cross-contamination is a concern.\nStakes if we pick wrong: enabling on a multi-client machine could surface one client's patterns while working on another; disabling just means each project learns on its own. Both are one-line config flips.\nRecommendation: A because this is a one-time local setting and the fixture repo has no learnings yet, so the wider net is the only way to find any.\nNote: options differ in kind, not coverage — no completeness score.\nNet: broader recall vs. strict per-project isolation.": "Enable cross-project (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:06:16.432Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "75bfb2cc-901f-445b-84dc-6b1c483fe9eb",
|
||||
"toolUseId": "toolu_01PK7hitKrKsZrY1izfnAkrs",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D5 — Issue 1: Which panel is primary, and what's the order?\nProject/branch/task: `main`, PLAN.md User Dashboard, Pass 1 Information Architecture (3/10).\nELI10: The plan lists three panels with no order. Whatever the implementer puts top-left on desktop and first in the mobile stack becomes the thing every user sees first after login. Right now that's an accident. Quick Actions is the only panel that always has content (actions exist even with zero data), so it's the safest thing to anchor above the fold on a phone.\nStakes if we pick wrong: a first-time user's first screen after login is either an empty feed or an empty inbox, and a returning user hunts for the button they came to press.\nRecommendation: 1A because actions are never empty, activity is the scan target, and notifications are context; this also matches conventional dashboard wayfinding.\nCompleteness: 1A=10/10, 1B=8/10, 1C=8/10 (all define an order; A also handles the empty-first-login case)\nNet: always-useful anchor at top vs. feed-first convention vs. inbox-first urgency.",
|
||||
"header": "Hierarchy",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A: Actions row → Activity primary → Notifications side (recommended)",
|
||||
"description": "✅ Quick Actions as a compact row under the greeting is never empty, so the fold is never blank on first login. ✅ Activity as the wide primary column, Notifications as a narrower side column on lg, stacked second on sm/md. ❌ Unread notifications sit below actions and to the side; urgency relies on the badge count."
|
||||
},
|
||||
{
|
||||
"label": "1B: Activity primary, Notifications side, Actions in side rail",
|
||||
"description": "✅ Classic feed-first dashboard; returning users get scannable content immediately. ✅ Actions and notifications share a side rail, keeping the main column pure. ❌ First-time user's top-left region is an empty feed; actions buried in the rail on mobile."
|
||||
},
|
||||
{
|
||||
"label": "1C: Notifications primary, Activity secondary, Actions row",
|
||||
"description": "✅ Unread items are the most actionable content, so they lead. ✅ Read-all flow becomes the hero interaction. ❌ A quiet user (zero unread) sees an empty inbox first; activity feed loses its role as the scan target."
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D5 — Issue 1: Which panel is primary, and what's the order?\nProject/branch/task: `main`, PLAN.md User Dashboard, Pass 1 Information Architecture (3/10).\nELI10: The plan lists three panels with no order. Whatever the implementer puts top-left on desktop and first in the mobile stack becomes the thing every user sees first after login. Right now that's an accident. Quick Actions is the only panel that always has content (actions exist even with zero data), so it's the safest thing to anchor above the fold on a phone.\nStakes if we pick wrong: a first-time user's first screen after login is either an empty feed or an empty inbox, and a returning user hunts for the button they came to press.\nRecommendation: 1A because actions are never empty, activity is the scan target, and notifications are context; this also matches conventional dashboard wayfinding.\nCompleteness: 1A=10/10, 1B=8/10, 1C=8/10 (all define an order; A also handles the empty-first-login case)\nNet: always-useful anchor at top vs. feed-first convention vs. inbox-first urgency.": "1A: Actions row → Activity primary → Notifications side (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:06:45.808Z"
|
||||
}
|
||||
],
|
||||
"additionalCaptures": [
|
||||
{
|
||||
"source": {
|
||||
"commit": "f1928bee",
|
||||
"workflowRun": 35535549200,
|
||||
"attempt": 2,
|
||||
"retainedRange": "outside voices through tenth design issue (available job-log tail)"
|
||||
},
|
||||
"calls": [
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_01VKZeF87WqJiAedWw2JiLFF",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D3 — Run outside design voices before the detailed review?\nProject/branch/task: main, reviewing PLAN.md (User Dashboard Page); mockups unavailable (no OpenAI key), so this is the remaining independent-perspective step.\nELI10: Before I do the 7-pass review myself, I can pull in two independent reviewers: Codex (OpenAI's CLI) grades the plan against a set of design hard rules and litmus checks, and a fresh Claude subagent that has seen none of my notes does an independent completeness review. Their findings get folded into the passes so I'm not the only opinion in the room.\nStakes if we pick wrong: skip it and the review is single-voice; run it and it costs a couple of minutes, and Codex may be unavailable in this environment (then only the Claude subagent runs, tagged single-model).\nRecommendation: A because greenfield UI with no design system benefits most from a second and third set of eyes on hierarchy and missing states.\nNote: options differ in kind, not coverage — no completeness score.",
|
||||
"header": "Outside voices",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Yes, run outside voices (recommended)",
|
||||
"description": "✅ Independent hard-rejection and litmus checks catch generic-SaaS-card-grid drift before code exists\n✅ Findings pre-load into the 7 passes so we skip discovery and go straight to fixes (human: ~1 hr / CC: ~3 min)\n❌ Codex may be missing or unauthenticated here; then coverage is Claude-subagent only"
|
||||
},
|
||||
{
|
||||
"label": "No, proceed without",
|
||||
"description": "✅ Faster path straight into the 7 design passes and per-issue approvals\n✅ No dependency on external CLI availability\n❌ Single reviewer; blind spots in my own taste go unchallenged"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D3 — Run outside design voices before the detailed review?\nProject/branch/task: main, reviewing PLAN.md (User Dashboard Page); mockups unavailable (no OpenAI key), so this is the remaining independent-perspective step.\nELI10: Before I do the 7-pass review myself, I can pull in two independent reviewers: Codex (OpenAI's CLI) grades the plan against a set of design hard rules and litmus checks, and a fresh Claude subagent that has seen none of my notes does an independent completeness review. Their findings get folded into the passes so I'm not the only opinion in the room.\nStakes if we pick wrong: skip it and the review is single-voice; run it and it costs a couple of minutes, and Codex may be unavailable in this environment (then only the Claude subagent runs, tagged single-model).\nRecommendation: A because greenfield UI with no design system benefits most from a second and third set of eyes on hierarchy and missing states.\nNote: options differ in kind, not coverage — no completeness score.": "No, proceed without"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:40:29.058Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_01FdQL1KN9LerFiMj3MnrnnY",
|
||||
"questions": [
|
||||
{
|
||||
"question": "D4 — Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main, PLAN.md design review; one-time gstack setting before the review passes.\nELI10: gstack saves small lessons per project (pitfalls, patterns, preferences). It can also look across your other projects on this machine to spot patterns that apply here. Everything stays local; no data leaves the machine. Good for solo developers; skip if you work on multiple client codebases where cross-contamination is a concern.\nStakes if we pick wrong: enable on a multi-client machine and one client's patterns may color another's review; disable and each project learns from scratch.\nRecommendation: A because this is a fixture repo with zero learnings so far, and cross-project recall is the only way it gets smarter across sessions.\nNote: options differ in kind, not coverage — no completeness score.",
|
||||
"header": "Learnings",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "Enable cross-project (recommended)",
|
||||
"description": "✅ Design pitfalls learned elsewhere (toast a11y, modal focus) surface here automatically\n✅ Stays on your machine; one config flag you can flip back any time\n❌ Patterns from unrelated codebases may show up where they don't apply"
|
||||
},
|
||||
{
|
||||
"label": "Keep project-scoped only",
|
||||
"description": "✅ Strict isolation between codebases; nothing bleeds across clients\n✅ Learnings still accumulate for this project on its own\n❌ Every new project starts cold, including this one right now"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"D4 — Let gstack search learnings from your other projects on this machine?\nProject/branch/task: main, PLAN.md design review; one-time gstack setting before the review passes.\nELI10: gstack saves small lessons per project (pitfalls, patterns, preferences). It can also look across your other projects on this machine to spot patterns that apply here. Everything stays local; no data leaves the machine. Good for solo developers; skip if you work on multiple client codebases where cross-contamination is a concern.\nStakes if we pick wrong: enable on a multi-client machine and one client's patterns may color another's review; disable and each project learns from scratch.\nRecommendation: A because this is a fixture repo with zero learnings so far, and cross-project recall is the only way it gets smarter across sessions.\nNote: options differ in kind, not coverage — no completeness score.": "Enable cross-project (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:41:00.666Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_017YabtVfvEXTzC6wAuVDVin",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 1 — Which panel is primary on the dashboard, and what is the reading order?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 1 Information Architecture, currently 3/10.\nELI10: Three panels are listed as equals. A user who just logged in has one question: \"what happened while I was away?\" One panel has to own the first glance, and the other two have to visibly step back. This decision drives layout at every breakpoint, what goes above the fold on a phone, and where the loading skeleton draws attention. Principle: hierarchy as service; if everything competes, nothing wins.\nStakes if we pick wrong: on a 375px phone the user scrolls past two panels of stuff they didn't ask for before seeing the one that matters; the page reads as a widget mosaic.\nRecommendation: 1A because notifications are the \"while you were away\" answer, activity is the browse-able context, and quick actions are a launcher that should be reachable, not read.\nNote: options differ in kind, not coverage — no completeness score.",
|
||||
"header": "Issue 1",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "1A: Notifications first (recommended)",
|
||||
"description": "✅ Order: Notifications (unread-first) > Activity feed > Quick Actions as a compact action bar; answers \"what changed\" in the first glance\n✅ Unread count becomes the page's single visual anchor, satisfying the one-anchor litmus\n❌ Users with zero notifications see the primary slot empty on every visit; the empty state must carry the page (handled in Pass 2)"
|
||||
},
|
||||
{
|
||||
"label": "1B: Activity feed first",
|
||||
"description": "✅ Activity is always populated for active accounts, so the primary slot rarely reads empty\n✅ Familiar feed pattern; users know how to scroll it\n❌ Buries unread notifications below a feed the user may not care about today; the actionable thing loses to the ambient thing"
|
||||
},
|
||||
{
|
||||
"label": "1C: Quick Actions first (launcher)",
|
||||
"description": "✅ Treats the dashboard as a launchpad: the user came to do something, so put the doing first\n✅ Works well when the product has 2-4 dominant tasks and the feed is secondary\n❌ Ignores the \"users land here after login\" context: a launcher doesn't tell them what happened; notifications and activity become an afterthought"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 1 — Which panel is primary on the dashboard, and what is the reading order?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 1 Information Architecture, currently 3/10.\nELI10: Three panels are listed as equals. A user who just logged in has one question: \"what happened while I was away?\" One panel has to own the first glance, and the other two have to visibly step back. This decision drives layout at every breakpoint, what goes above the fold on a phone, and where the loading skeleton draws attention. Principle: hierarchy as service; if everything competes, nothing wins.\nStakes if we pick wrong: on a 375px phone the user scrolls past two panels of stuff they didn't ask for before seeing the one that matters; the page reads as a widget mosaic.\nRecommendation: 1A because notifications are the \"while you were away\" answer, activity is the browse-able context, and quick actions are a launcher that should be reachable, not read.\nNote: options differ in kind, not coverage — no completeness score.": "1A: Notifications first (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:41:45.355Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_01JNoKum3CkUH1TidSdGtexa",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 2 — Add a screen-structure diagram (page frame + panel placement) to the plan?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 1 Information Architecture, now 6/10 after Issue 1.\nELI10: The plan says nothing about the page frame: is there a top nav, a page title, where the three panels sit on a wide screen versus a phone. Without this, the implementer picks a layout on the fly and the trunk test fails (cover everything but the nav: can you tell what site and page you're on?). I'd add an ASCII structure diagram for desktop (lg) and mobile (sm) that fixes panel placement per the approved order. Principle: users scan, they don't read; clearly defined areas are how they scan.\nStakes if we pick wrong: three equal-width columns or a stacked card mosaic, the hard-rejection pattern for app UI.\nRecommendation: 2A because the two-zone layout gives Notifications a real anchor position and keeps Quick Actions out of the reading flow.\nCompleteness: 2A=10/10, 2B=7/10, 2C=3/10",
|
||||
"header": "Issue 2",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "2A: Two-zone layout, diagram at lg + sm (recommended)",
|
||||
"description": "✅ lg: sticky top nav; page header row with title + Quick Actions bar right-aligned; body is 2 columns, Notifications left (7/12) and Activity right (5/12)\n✅ sm: single column, Quick Actions as a horizontal scroll strip under the header, then Notifications, then Activity; diagram fixes both\n❌ Notifications-left at 7/12 gives the feed less room; long activity rows will truncate harder on lg"
|
||||
},
|
||||
{
|
||||
"label": "2B: Three-column body, diagram at lg only",
|
||||
"description": "✅ Each panel gets a column; simple grid, simple to build (human: ~1h / CC: ~5min)\n✅ Quick Actions visible as a full column on desktop\n❌ Three equal peers contradicts the approved Notifications-first hierarchy; mobile behavior stays unspecified"
|
||||
},
|
||||
{
|
||||
"label": "2C: Skip the diagram, prose only",
|
||||
"description": "✅ Zero extra planning time; implementer decides layout in code\n✅ Leaves room for the implementer's judgment\n❌ Layout by omission; the first review of a real screen becomes the layout discussion we could have had now"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 2 — Add a screen-structure diagram (page frame + panel placement) to the plan?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 1 Information Architecture, now 6/10 after Issue 1.\nELI10: The plan says nothing about the page frame: is there a top nav, a page title, where the three panels sit on a wide screen versus a phone. Without this, the implementer picks a layout on the fly and the trunk test fails (cover everything but the nav: can you tell what site and page you're on?). I'd add an ASCII structure diagram for desktop (lg) and mobile (sm) that fixes panel placement per the approved order. Principle: users scan, they don't read; clearly defined areas are how they scan.\nStakes if we pick wrong: three equal-width columns or a stacked card mosaic, the hard-rejection pattern for app UI.\nRecommendation: 2A because the two-zone layout gives Notifications a real anchor position and keeps Quick Actions out of the reading flow.\nCompleteness: 2A=10/10, 2B=7/10, 2C=3/10": "2A: Two-zone layout, diagram at lg + sm (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:42:15.329Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_01D6hkqEL4BpbLKWUECMsBYE",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 3 — Specify what the user sees in every state of every panel (state table with copy and actions)?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 2 Interaction States, currently 3/10.\nELI10: The plan lists \"empty, loading, error\" per panel but never says what any of them look like or say. Left alone, an engineer ships \"No notifications.\" in gray text, and that's the first thing a brand-new user sees in the page's primary slot. I'd add a table covering loading / empty / error / success / partial for Notifications, Activity, and Quick Actions, with the exact copy, the primary action, and skeleton shape. Principle: empty states are features; every one needs warmth, a primary action, and context.\nStakes if we pick wrong: first-login dashboard reads as broken or abandoned; error states offer no recovery path.\nRecommendation: 3A because the first-run and zero-data cases are the ones most users hit first, and writing the copy now costs minutes.\nCompleteness: 3A=10/10, 3B=6/10, 3C=3/10",
|
||||
"header": "Issue 3",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "3A: Full state table, copy + actions + skeletons (recommended)",
|
||||
"description": "✅ Every cell written: e.g. Notifications empty = \"You're all caught up\" + last-checked time; Activity empty on first login = \"Your activity will show up here\" + the top quick action as CTA\n✅ Error cells get a retry button scoped to that panel plus a plain-language reason; skeletons match row anatomy so layout doesn't jump (human: ~2h / CC: ~10min)\n❌ Copy is a proposal; product voice may want to rewrite it later"
|
||||
},
|
||||
{
|
||||
"label": "3B: Table with placeholders, copy written during implementation",
|
||||
"description": "✅ Locks the structure (which states exist per panel) without committing to words now\n✅ Faster to approve; leaves copy to whoever owns voice\n❌ Placeholders become the copy; \"No items found\" ships because nobody circles back"
|
||||
},
|
||||
{
|
||||
"label": "3C: Keep the one-line checklist as is",
|
||||
"description": "✅ No planning time spent\n✅ Implementer has freedom\n❌ Guaranteed \"No notifications.\" in the primary slot; error states with no retry"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 3 — Specify what the user sees in every state of every panel (state table with copy and actions)?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 2 Interaction States, currently 3/10.\nELI10: The plan lists \"empty, loading, error\" per panel but never says what any of them look like or say. Left alone, an engineer ships \"No notifications.\" in gray text, and that's the first thing a brand-new user sees in the page's primary slot. I'd add a table covering loading / empty / error / success / partial for Notifications, Activity, and Quick Actions, with the exact copy, the primary action, and skeleton shape. Principle: empty states are features; every one needs warmth, a primary action, and context.\nStakes if we pick wrong: first-login dashboard reads as broken or abandoned; error states offer no recovery path.\nRecommendation: 3A because the first-run and zero-data cases are the ones most users hit first, and writing the copy now costs minutes.\nCompleteness: 3A=10/10, 3B=6/10, 3C=3/10": "3A: Full state table, copy + actions + skeletons (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:43:02.148Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_015dYhiwCXPuYiXYwwthqfoB",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 4 — Shape the API response so each panel can fail independently?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 2 Interaction States, now 6/10.\nELI10: The plan wants per-panel error states but fetches everything in one GET /api/dashboard call. Those two goals conflict unless the response itself can say \"activity failed, notifications are fine.\" Today's shape ({ activity, notifications, quickActions }) can't express that, so any single slow or broken query takes down all three panels. This is a design decision because it determines whether the user ever sees a panel-level error or only whole-page failure. Principle: seeing the system, not the screen.\nStakes if we pick wrong: one slow activity query blanks the notifications the user came for; or three separate requests triple the latency on a cold phone connection.\nRecommendation: 4A because it keeps one round-trip (fast first paint on mobile) while letting each panel degrade on its own.\nCompleteness: 4A=10/10, 4B=8/10, 4C=4/10",
|
||||
"header": "Issue 4",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "4A: One call, per-key result envelopes (recommended)",
|
||||
"description": "✅ Response becomes { notifications: {ok, data|error}, activity: {ok, data|error}, quickActions: {...} }; server runs the three queries in parallel with per-query timeouts and never fails the whole response for one key\n✅ One round trip preserves fast first paint on slow mobile; per-panel Retry hits the same endpoint with ?only=activity (human: ~3h / CC: ~15min)\n❌ Slightly more server code and a non-trivial response contract to document"
|
||||
},
|
||||
{
|
||||
"label": "4B: Three endpoints, one per panel",
|
||||
"description": "✅ Simplest failure isolation; each panel owns its fetch, retry, and cache\n✅ Panels can stream in independently as each resolves\n❌ Three round trips on login; on a bad connection the primary panel is no faster than before and the page flickers in three stages"
|
||||
},
|
||||
{
|
||||
"label": "4C: Keep single flat response, whole-page error only",
|
||||
"description": "✅ Zero contract change; simplest to build\n✅ One error state to design\n❌ Contradicts the plan's own per-panel error requirement; one slow query blanks everything the user logged in to see"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 4 — Shape the API response so each panel can fail independently?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 2 Interaction States, now 6/10.\nELI10: The plan wants per-panel error states but fetches everything in one GET /api/dashboard call. Those two goals conflict unless the response itself can say \"activity failed, notifications are fine.\" Today's shape ({ activity, notifications, quickActions }) can't express that, so any single slow or broken query takes down all three panels. This is a design decision because it determines whether the user ever sees a panel-level error or only whole-page failure. Principle: seeing the system, not the screen.\nStakes if we pick wrong: one slow activity query blanks the notifications the user came for; or three separate requests triple the latency on a cold phone connection.\nRecommendation: 4A because it keeps one round-trip (fast first paint on mobile) while letting each panel degrade on its own.\nCompleteness: 4A=10/10, 4B=8/10, 4C=4/10": "4A: One call, per-key result envelopes (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:43:55.568Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_01LnFZiSt49gf7W5mJjVdG7R",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 5 — Replace the \"Mark all as read\" confirmation modal with instant action + undo toast?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 2 Interaction States, now 7/10.\nELI10: The plan puts a confirmation modal in front of \"Mark all as read.\" Modals are for one-way doors (delete, pay, send). Marking read is low-stakes and reversible, so the convention (Gmail, GitHub, Slack) is: do it immediately, show a toast with Undo for a few seconds. A modal here makes the user answer a question they didn't ask, every time. Principle: the goodwill reservoir; punishing users with an extra step for a safe action depletes it.\nStakes if we pick wrong: keep the modal and the most-used action on the primary panel gains a click and a read; drop undo and a mis-tap wipes the unread list with no recovery.\nRecommendation: 5A because it removes a step from the page's most frequent action while keeping recovery.\nNote: options differ in kind, not coverage — no completeness score.",
|
||||
"header": "Issue 5",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "5A: Instant + Undo toast, drop the modal (recommended)",
|
||||
"description": "✅ One click: unread dots clear optimistically, badge goes to 0, toast \"Marked 12 as read. [Undo]\" for 6s; Undo restores client state and calls the server\n✅ Removes the Modal component from this plan entirely (one less primitive to build and make accessible)\n❌ The 6-second undo window needs a live-region announcement and pause-on-hover, which the toast spec must cover (Issue 6)"
|
||||
},
|
||||
{
|
||||
"label": "5B: Keep modal, but only when unread > N",
|
||||
"description": "✅ Guards the rare large-clear case (say > 50 unread) where an accident costs more\n✅ Small clears stay one-click\n❌ Two behaviors for one button confuses users (\"why did it ask this time?\"); modal still has to be built and made accessible"
|
||||
},
|
||||
{
|
||||
"label": "5C: Keep the confirmation modal as planned",
|
||||
"description": "✅ Zero chance of accidental mass-mark; explicit intent\n✅ Modal primitive may be needed elsewhere later anyway\n❌ Adds friction to the primary panel's main action; mark-read is recoverable, so the modal solves a problem that doesn't exist"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 5 — Replace the \"Mark all as read\" confirmation modal with instant action + undo toast?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 2 Interaction States, now 7/10.\nELI10: The plan puts a confirmation modal in front of \"Mark all as read.\" Modals are for one-way doors (delete, pay, send). Marking read is low-stakes and reversible, so the convention (Gmail, GitHub, Slack) is: do it immediately, show a toast with Undo for a few seconds. A modal here makes the user answer a question they didn't ask, every time. Principle: the goodwill reservoir; punishing users with an extra step for a safe action depletes it.\nStakes if we pick wrong: keep the modal and the most-used action on the primary panel gains a click and a read; drop undo and a mis-tap wipes the unread list with no recovery.\nRecommendation: 5A because it removes a step from the page's most frequent action while keeping recovery.\nNote: options differ in kind, not coverage — no completeness score.": "5A: Instant + Undo toast, drop the modal (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:44:29.271Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_01An1yzjWxro5Sx3VBjP4fHJ",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 6 — Specify the toast system (position, timing, stacking, dismiss, screen reader behavior)?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 2 Interaction States, now 8/10.\nELI10: \"Toast notification system for action feedback\" is a component name, not a spec. And after Issue 5 the toast carries Undo, so its timing and accessibility now decide whether a user can recover from a mis-click. I'd pin down: where it appears, how long it stays, what happens with several at once, how to dismiss, and how screen readers hear it (a live region, so the Undo offer is announced and reachable by keyboard). Principle: accessibility is not optional; specify it in the plan or it won't exist.\nStakes if we pick wrong: a screen-reader user never hears \"Undo\"; toasts stack over the Quick Actions bar on mobile; a 3-second toast makes Undo a race.\nRecommendation: 6A because the toast is now the recovery mechanism for the primary panel's main action.\nCompleteness: 6A=10/10, 6B=6/10",
|
||||
"header": "Issue 6",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "6A: Full toast spec (recommended)",
|
||||
"description": "✅ Bottom-center on sm (above safe-area, never over the action strip), bottom-right on md+; 6s default, 10s when it carries an action, pause on hover/focus; max 3 stacked, oldest drops\n✅ role=status live region for info, role=alert for errors; action button is a real <button> reachable by Tab; Escape dismisses the focused toast; swipe-down dismisses on touch (human: ~3h / CC: ~15min)\n❌ More component surface to build and test than a fire-and-forget snackbar"
|
||||
},
|
||||
{
|
||||
"label": "6B: Minimal spec: position + duration only",
|
||||
"description": "✅ Enough to stop toasts landing over the action bar; quick to write\n✅ Leaves implementation freedom on stacking and a11y\n❌ No live region means Undo is invisible to assistive tech; stacking and dismiss get decided in code"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 6 — Specify the toast system (position, timing, stacking, dismiss, screen reader behavior)?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 2 Interaction States, now 8/10.\nELI10: \"Toast notification system for action feedback\" is a component name, not a spec. And after Issue 5 the toast carries Undo, so its timing and accessibility now decide whether a user can recover from a mis-click. I'd pin down: where it appears, how long it stays, what happens with several at once, how to dismiss, and how screen readers hear it (a live region, so the Undo offer is announced and reachable by keyboard). Principle: accessibility is not optional; specify it in the plan or it won't exist.\nStakes if we pick wrong: a screen-reader user never hears \"Undo\"; toasts stack over the Quick Actions bar on mobile; a 3-second toast makes Undo a race.\nRecommendation: 6A because the toast is now the recovery mechanism for the primary panel's main action.\nCompleteness: 6A=10/10, 6B=6/10": "6A: Full toast spec (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:45:09.113Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_01YTEyoxMNs3gNr8P34hzqpP",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 7 — What happens when the user clicks a notification row or an activity row?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 3 User Journey, currently 4/10.\nELI10: The primary panel is a list of notifications, and the plan never says what a row does when clicked. Is it a link to the thing being notified about? Does clicking mark it read? Same for activity rows. Without this, an engineer either makes rows inert (dead-end dashboard) or invents a destination. Principle: seeing the system, not the screen; the dashboard exists to route the user onward.\nStakes if we pick wrong: inert rows make the primary panel read-only wallpaper; rows that navigate without marking read leave the unread badge stuck.\nRecommendation: 7A because it matches the convention users already know from every inbox, and it keeps the badge honest.\nCompleteness: 7A=10/10, 7B=7/10, 7C=3/10",
|
||||
"header": "Issue 7",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "7A: Whole row is a link; click marks read then navigates (recommended)",
|
||||
"description": "✅ Notification row = <a href={targetUrl}> covering the full row (44px min height); click optimistically marks that item read, then navigates; unread dot fades before route change\n✅ Activity row links to its object (e.g. the document, the comment); rows with no target render as plain text, not fake links (human: ~2h / CC: ~10min)\n❌ Requires each notification and activity item to carry a targetUrl from the API; items without one need the plain-text fallback"
|
||||
},
|
||||
{
|
||||
"label": "7B: Row expands inline; explicit \"Open\" link inside",
|
||||
"description": "✅ User previews the full message without leaving the dashboard\n✅ Mark-read happens on expand, so badge stays honest\n❌ Two clicks to reach the object; expand/collapse adds state and a11y (aria-expanded) that the inbox convention doesn't need"
|
||||
},
|
||||
{
|
||||
"label": "7C: Rows are static; only \"Mark all as read\" is interactive",
|
||||
"description": "✅ Simplest build; no per-item endpoints\n✅ No risk of mis-navigation\n❌ Primary panel becomes a read-only log; users have to hunt elsewhere for the thing they were notified about"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 7 — What happens when the user clicks a notification row or an activity row?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 3 User Journey, currently 4/10.\nELI10: The primary panel is a list of notifications, and the plan never says what a row does when clicked. Is it a link to the thing being notified about? Does clicking mark it read? Same for activity rows. Without this, an engineer either makes rows inert (dead-end dashboard) or invents a destination. Principle: seeing the system, not the screen; the dashboard exists to route the user onward.\nStakes if we pick wrong: inert rows make the primary panel read-only wallpaper; rows that navigate without marking read leave the unread badge stuck.\nRecommendation: 7A because it matches the convention users already know from every inbox, and it keeps the badge honest.\nCompleteness: 7A=10/10, 7B=7/10, 7C=3/10": "7A: Whole row is a link; click marks read then navigates (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:45:58.362Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_015ZD7y9iw62qs78kvuc7hoY",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 8 — Does the page header carry a greeting/summary line, and what does it say?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 3 User Journey, now 8/10.\nELI10: The structure diagram shows \"Good morning, Sam. 3 unread.\" under the Dashboard title as a placeholder. That line can do real work (a one-sentence status the user reads before scanning panels) or it can be happy talk that wastes the most valuable line on the page. On visit #500 a time-of-day greeting is noise; a status sentence still earns its place. Principle: omit, then omit again; every word must carry information.\nStakes if we pick wrong: a greeting that feels generated and gets ignored, or a bare title with no summary, so the user has to scan the panels to learn there's nothing new.\nRecommendation: 8A because a status sentence reinforces the Notifications anchor and reads true on the first visit and the thousandth.\nNote: options differ in kind, not coverage — no completeness score.",
|
||||
"header": "Issue 8",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "8A: Status sentence only, no greeting (recommended)",
|
||||
"description": "✅ Copy variants: \"3 unread notifications.\" / \"You're all caught up.\" / \"2 unread, 5 new activity items since yesterday.\"; no name, no time-of-day\n✅ Doubles as the page-level live summary for screen readers (aria-describedby on the h1)\n❌ Feels less personal than a greeting; if that warmth matters to the brand this is the wrong call"
|
||||
},
|
||||
{
|
||||
"label": "8B: Greeting + status (\"Good morning, Sam. 3 unread.\")",
|
||||
"description": "✅ Warmer first impression for new users; name confirms which account is logged in\n✅ Still carries the status count\n❌ Time-of-day greetings are the most common generated-dashboard tell; on daily visits it's read as filler"
|
||||
},
|
||||
{
|
||||
"label": "8C: Title only, no second line",
|
||||
"description": "✅ Maximum subtraction; the panels speak for themselves\n✅ One less string to localize\n❌ User must scan panels to learn there's nothing new; loses the cheap page-level screen-reader summary"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 8 — Does the page header carry a greeting/summary line, and what does it say?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 3 User Journey, now 8/10.\nELI10: The structure diagram shows \"Good morning, Sam. 3 unread.\" under the Dashboard title as a placeholder. That line can do real work (a one-sentence status the user reads before scanning panels) or it can be happy talk that wastes the most valuable line on the page. On visit #500 a time-of-day greeting is noise; a status sentence still earns its place. Principle: omit, then omit again; every word must carry information.\nStakes if we pick wrong: a greeting that feels generated and gets ignored, or a bare title with no summary, so the user has to scan the panels to learn there's nothing new.\nRecommendation: 8A because a status sentence reinforces the Notifications anchor and reads true on the first visit and the thousandth.\nNote: options differ in kind, not coverage — no completeness score.": "8A: Status sentence only, no greeting (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:46:30.592Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_01JySFYtMJF5AxpGUDe3WTtf",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 9 — Specify the row anatomy for notifications and activity items (fields, truncation, timestamps, unread indicator, pagination)?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 4 AI Slop Risk, currently 4/10.\nELI10: The plan says \"rows\" and nothing more. Without a row spec, every generated dashboard produces the same thing: avatar circle, bold name, gray sentence, timestamp on the right, all the same weight. A designed row decides what the eye hits first (the object, not the actor), how a 47-character name behaves, whether the time reads \"3m\" or \"Sep 20, 2:14 PM\", and how unread is marked. Principle: specificity over vibes; edge cases (long names, zero results) are user experiences.\nStakes if we pick wrong: rows overflow on long names, timestamps wrap, unread is a colored left border (blacklist item #8), and the page reads as template output.\nRecommendation: 9A because the row is the unit the user reads 20 times per visit; it's where care is most visible.\nCompleteness: 9A=10/10, 9B=6/10",
|
||||
"header": "Issue 9",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "9A: Full row spec, both panels + pagination (recommended)",
|
||||
"description": "✅ Notification: 8px unread dot (accent) in a fixed 16px gutter, title 16px medium 1-line truncate, summary 14px muted 1-line truncate, time right-aligned tabular relative (\"3m\", \"2h\", \"Tue\", \"Sep 3\") with full datetime in title attr\n✅ Activity: 24px avatar, sentence \"<Actor> <verb> <Object>\" where Object is medium-weight and actor truncates at 24ch with ellipsis; time same format; page size 20 / 10 with \"Load more\" (human: ~2h / CC: ~10min)\n❌ Fixes v1 rows to single-line truncation; multi-line notification bodies need a later revision"
|
||||
},
|
||||
{
|
||||
"label": "9B: Field list only, visual treatment left to implementation",
|
||||
"description": "✅ Locks the data each row needs from the API without dictating pixels\n✅ Faster to approve\n❌ Truncation, timestamp format, and unread indicator get invented in code; the colored-left-border default is likely"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 9 — Specify the row anatomy for notifications and activity items (fields, truncation, timestamps, unread indicator, pagination)?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 4 AI Slop Risk, currently 4/10.\nELI10: The plan says \"rows\" and nothing more. Without a row spec, every generated dashboard produces the same thing: avatar circle, bold name, gray sentence, timestamp on the right, all the same weight. A designed row decides what the eye hits first (the object, not the actor), how a 47-character name behaves, whether the time reads \"3m\" or \"Sep 20, 2:14 PM\", and how unread is marked. Principle: specificity over vibes; edge cases (long names, zero results) are user experiences.\nStakes if we pick wrong: rows overflow on long names, timestamps wrap, unread is a colored left border (blacklist item #8), and the page reads as template output.\nRecommendation: 9A because the row is the unit the user reads 20 times per visit; it's where care is most visible.\nCompleteness: 9A=10/10, 9B=6/10": "9A: Full row spec, both panels + pagination (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:47:23.064Z"
|
||||
},
|
||||
{
|
||||
"sessionId": "03736bff-d38b-4f3e-a849-84f17064a75b",
|
||||
"toolUseId": "toolu_017iCDG42LbcVXfXdtAsDXSg",
|
||||
"questions": [
|
||||
{
|
||||
"question": "Issue 10 — Define the plan's design tokens (typeface, type scale, color roles as CSS variables, spacing, radius)?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 5 Design System, currently 2/10.\nELI10: Decisions 1-9 use names like text-muted, accent, surface-hover, 16px/14px, but nothing defines them. Tailwind's defaults will fill the gaps: system-ui font, gray-500 text, blue-600 accent. That's the exact \"assembled, not designed\" look. I'd add a small token block: one typeface (a real one, not the system stack), a 4-step type scale, ~8 color roles as CSS variables mapped into Tailwind's theme, a spacing scale, and one radius. These are proposals to be replaced by DESIGN.md if you run /design-consultation later. Principle: specificity over vibes; name the font, the spacing scale, the interaction pattern.\nStakes if we pick wrong: the dashboard ships in Tailwind default blue on gray with system-ui, and every later screen inherits it.\nRecommendation: 10A because the tokens are cheap to write now and every component in this plan is blocked on them.\nCompleteness: 10A=10/10, 10B=6/10, 10C=2/10",
|
||||
"header": "Issue 10",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "10A: Full token block, CSS variables into Tailwind theme (recommended)",
|
||||
"description": "✅ Typeface: Instrument Sans (body/UI, Operate-surface approved), tabular-nums enabled; scale 12/14/16/20/28 with named roles; 8 color roles as --color-* vars (bg, surface, surface-hover, border, text, text-muted, accent, danger) with light values now and dark slots reserved\n✅ Spacing 4/8/12/16/24/32, one radius (6px) for buttons and toasts only, no radius on rows or panels; focus ring, selection color, and scrollbar themed from the palette (human: ~3h / CC: ~15min)\n❌ Specific picks (typeface, accent hue) are my taste until a DESIGN.md exists; you may want to swap them"
|
||||
},
|
||||
{
|
||||
"label": "10B: Roles only, values TBD",
|
||||
"description": "✅ Names the variables so components reference roles, not raw Tailwind colors\n✅ Defers taste calls (font, hue) to /design-consultation\n❌ Values default to Tailwind's until someone fills them; the first shipped screen is still default-blue"
|
||||
},
|
||||
{
|
||||
"label": "10C: Use Tailwind defaults, no tokens",
|
||||
"description": "✅ Zero setup; fastest to build\n✅ Familiar to any Tailwind dev\n❌ Fails universal rules (no color variables, default font stack); generated-dashboard look guaranteed"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"answered": true,
|
||||
"failed": false,
|
||||
"answers": {
|
||||
"Issue 10 — Define the plan's design tokens (typeface, type scale, color roles as CSS variables, spacing, radius)?\nProject/branch/task: main, PLAN.md User Dashboard; Pass 5 Design System, currently 2/10.\nELI10: Decisions 1-9 use names like text-muted, accent, surface-hover, 16px/14px, but nothing defines them. Tailwind's defaults will fill the gaps: system-ui font, gray-500 text, blue-600 accent. That's the exact \"assembled, not designed\" look. I'd add a small token block: one typeface (a real one, not the system stack), a 4-step type scale, ~8 color roles as CSS variables mapped into Tailwind's theme, a spacing scale, and one radius. These are proposals to be replaced by DESIGN.md if you run /design-consultation later. Principle: specificity over vibes; name the font, the spacing scale, the interaction pattern.\nStakes if we pick wrong: the dashboard ships in Tailwind default blue on gray with system-ui, and every later screen inherits it.\nRecommendation: 10A because the tokens are cheap to write now and every component in this plan is blocked on them.\nCompleteness: 10A=10/10, 10B=6/10, 10C=2/10": "10A: Full token block, CSS variables into Tailwind theme (recommended)"
|
||||
},
|
||||
"unansweredQuestionIndices": [],
|
||||
"answeredAt": "2026-09-20T20:48:12.161Z"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"additionalQuestionCaptures": [
|
||||
{
|
||||
"source": {
|
||||
"commit": "269b5747",
|
||||
"workflowRun": 35537130656,
|
||||
"attempt": 2,
|
||||
"retainedRange": "final question, options and answer; owning IDs precede the retained log tail"
|
||||
},
|
||||
"question": {
|
||||
"question": "D10 — Issue 6: 'Mark all as read' — confirmation modal (as planned) or immediate action with an Undo toast?\nProject/branch/task: dashboard plan on main; plan line 13 specifies a modal dialog.\nELI10: A confirmation dialog asks 'are you sure?' before doing something. It's right for deleting data. For marking notifications read, it's an extra click every time, and the user learns to dismiss it without reading. The alternative is: do it instantly, show a small toast 'Marked 3 as read. Undo' for 5 seconds, and flip them back if they tap Undo. Same safety, zero friction.\nStakes if we pick wrong: Modal: a daily annoyance that trains users to click through dialogs (which then makes real destructive dialogs less safe). Undo without a backend path: a toast that lies.\nRecommendation: 6A because the action is reversible and low-stakes; modals should be reserved for one-way doors. Principle: clicks don't matter, thinking does; goodwill reservoir.\nCompleteness: 6A=10/10, 6B=7/10, 6C=5/10\nNet: frictionless with a small backend addition vs. friction with no backend change.",
|
||||
"header": "Mark read",
|
||||
"multiSelect": false,
|
||||
"options": [
|
||||
{
|
||||
"label": "6A Immediate + Undo toast, drop the modal (recommended)",
|
||||
"description": "✅ Click -> rows fade to read state optimistically, badge goes to 0, toast 'Marked {n} as read. Undo' for 6s; Undo restores the exact set. ✅ Removes the modal component from scope entirely; toast system already in plan. ❌ Needs a backend 'mark unread by id list' (or a single reversible batch endpoint) so Undo is real, not cosmetic. (human: ~3h / CC: ~20 min)"
|
||||
},
|
||||
{
|
||||
"label": "6B Keep the modal, make it a one-line dialog",
|
||||
"description": "✅ No backend change; matches the plan as written. ✅ Dialog: 'Mark 3 notifications as read?' [Cancel] [Mark read], focus on Cancel, Esc closes. ❌ Adds a click to a daily action; trains users to dismiss dialogs; modal + focus trap must still be built and tested. (human: ~2h / CC: ~15 min)"
|
||||
},
|
||||
{
|
||||
"label": "6C Immediate, plain success toast, no Undo",
|
||||
"description": "✅ Simplest: click, rows update, toast 'Marked as read'. ✅ No modal, no undo endpoint. ❌ Accidental click has no recovery; unread state is lost for that session."
|
||||
}
|
||||
]
|
||||
},
|
||||
"answer": "6A Immediate + Undo toast, drop the modal (recommended)"
|
||||
}
|
||||
]
|
||||
}
|
||||
Reference in new issue
Block a user