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        "file_path": "/tmp/gstack-paid-shard-R1Epd7/tmp/gstack-hermetic-1325468-PiGFgQ/skill-home-ifHsqQ/.gstack/projects/gstack-autoplan-chain-RWuak5/ceo-plans/2026-09-10-user-dashboard.md",
        "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): completed-task rate may not drop more than 2 percentage points; permission-error rate may not exceed holdout by more than 2 percentage points.\n- **Evaluation window**: each rollout step is evaluated only after both at least 7 days and at least 500 sessions per arm have accrued, whichever is later. Adjust the 500 from current session volume if a 2-point change is not detectable at that count; record the chosen N here.\n- **Operational thresholds**: `GET /api/dashboard` p95 \u2264 2.5s (an SLO and alert threshold, not a request-level abort); any panel error rate \u2264 5%; dashboard 5xx = 0 and panel error rate < 1% in the first 5 minutes after deploy.\n- **Segmentation**: A-6 dashboard events split the primary metric into navigation time (login \u2192 dashboard exposure \u2192 action click) and scan time (action click \u2192 completion).\n\n## Scope Decisions\n\n| # | Proposal | Effort (human / CC) | Decision | Reasoning |\n|---|----------|--------|----------|-----------|\n| E-1 | Server-side eligibility filtering of quick actions | ~2h / ~5 min (reuse) | ACCEPTED (A-4), conditional on predicates existing | Protects the permission-error guardrail |\n| E-2 | Per-action eligible-item counts | ~3 days / ~30 min | DEFERRED | Needs new count queries the plan says do not exist |\n| E-3 | Skeleton geometry matches final rows | ~1h / ~5 min | ACCEPTED (A-2) | Plan already requires skeletons; this makes them shift-free |\n| E-4 | Auto-focus first quick action on load | ~30 min / ~2 min | SKIPPED | Disorienting for screen-reader users; focus stays on the page heading |\n| E-5 | \"New since last visit\" markers | ~3 days / ~30 min | DEFERRED | Needs last-seen persistence, a new mutation API |\n| E-6 | Per-panel Retry that re-applies only that panel's result | ~2h / ~5 min | ACCEPTED (A-1, A-2) | Required for honest partial-failure UX |\n| E-7 | Optional third rollout arm: redirect post-login to the resume-work page with a \"Next up\" strip of eligible quick actions | ~3 days / ~20 min (new strip component + redirect + cohort) | PROVISIONALLY ACCEPTED as taste decision T-1; the user may override at the Final Gate | Tests whether the cheapest alternative hits the metric. The mandatory pure holdout (A-7) does not depend on it |\n| E-8 | Refetch on tab refocus | ~2h / ~5 min | DEFERRED | Not needed for v1; per-panel `fetchedAt` (A-1) already makes it safe to add later |\n| E-9 | Notification deep links to subject item | ~2h / ~5 min | DEFERRED | Notification record shape unverified |\n| E-10 | Per-sub-query timing metrics | ~1h / ~5 min | ACCEPTED (A-8) | Needed to find the slow panel when p95 regresses |\n\n## Accepted Scope (added to this plan)\n\n- **A-1 Aggregate endpoint envelope.** `GET /api/dashboard` reads member and workspace IDs from request context only and accepts no query parameters. It runs three sub-queries in parallel (activity latest, notifications latest, eligible quick actions), each with a 2s timeout. For an authenticated member of the requested workspace it always returns HTTP 200 with `{ activity: PanelResult<ActivityRow>, notifications: PanelResult<NotificationRow>, quickActions: PanelResult<QuickAction> }` where `PanelResult<T> = { status: \"ok\", data: T[], fetchedAt: string, durationMs: number } | { status: \"error\", error: { kind: \"timeout\" | \"service\" | \"internal\", retryable: boolean }, fetchedAt: string, durationMs: number }` and `fetchedAt` is the server ISO-8601 time that panel's query was issued. Row types: `NotificationRow { id, title, read: boolean, createdAt }`, `ActivityRow { id, summary, actorName, createdAt }`, `QuickAction { id, label, href }`, serialized from the existing repository and registry types; the notification type must carry a `read` flag. Timeout \u2192 `kind: \"timeout\", retryable: true`; repository/DB error \u2192 `kind: \"service\", retryable: true`; undefined or malformed repository result \u2192 `kind: \"internal\", retryable: false`. All three failing still returns 200 with three error panels. No session \u2192 401 from the existing middleware; member of another workspace \u2192 403. One `toPanelResult(settled, panelName, issuedAt)` helper does the mapping; no catch-all handler. There is no request-level time budget; the 2.5s figure is the p95 SLO in Metrics. The `PanelResult` and row types are defined once and shared by server and client. Retry for one panel re-calls the full endpoint and applies only the retried panel's `PanelResult`, leaving the other two panels' state and `fetchedAt` untouched.\n- **A-2 Shared panel shell and page-level states.** One `DashboardPanel` component owns loading, empty, error, and success rendering for all three panels; `QuickActions`, `NotificationsPanel`, and `ActivityFeed` supply only row renderers and copy. Skeletons match the final row count and geometry. Copy table:\n\n  | Panel | Empty | Error (retryable) | Error (internal) |\n  |---|---|---|---|\n  | QuickActions | \"No actions available right now\" | \"Couldn't load actions. Retry\" | \"Something went wrong. We've been notified\" |\n  | NotificationsPanel | \"You're all caught up\" | \"Couldn't load notifications. Retry\" | same |\n  | ActivityFeed | \"No recent changes\" | \"Couldn't load activity. Retry\" | same |\n\n  Retry re-applies only its panel (A-1) and is disabled while in flight. Whole-request failure (typed `network`, `retryable-service`, or `validation` from a malformed body): all three panels render the retryable error state and any panel's Retry re-issues the request. Typed `unauthenticated`: the existing client handler redirects to login preserving the return path. Typed `forbidden` on the GET: the existing forbidden handler renders the app's forbidden page. Reduced-motion disables skeleton shimmer. If T-2 stands: below md, `ActivityFeed` renders inside a disclosure labeled \"Recent changes (N)\" where N is the number of rows returned, collapsed by default, with expanded state exposed to assistive technology.\n- **A-3 Shared toast primitive.** Reuse the app's toast primitive if one exists (checklist row). Otherwise build `ToastRegion` as an app-level shared primitive: mounted once at app root; renders a `role=\"status\"` live region that exists before the first toast fires; renders text nodes only (no HTML); queue capacity 3, overflow drops the oldest toast and logs the drop; supports a dismiss control and an optional action (used for Retry); no slide/fade transitions under `prefers-reduced-motion`. The queue exists because this is the app-level contract for future callers, not a v1 dashboard need; v1 fires at most one toast at a time.\n- **A-4 Eligibility-filtered quick actions.** The endpoint applies the existing server-side eligibility predicates in parallel with the list queries and returns only eligible actions. A throwing predicate omits that action and logs the action id. Zero eligible actions \u2192 `status: \"ok\", data: []` and the empty state.\n- **A-5 Mark all as read.** The control is enabled only when at least one returned notification row has `read === false`; unread count is computed over the returned rows, and the dialog copy states \"Mark all notifications as read? This includes older notifications not shown here.\" The dialog composes the existing dialog primitive. Confirm calls the existing member-scoped idempotent bulk-read API with `snapshot = notifications.fetchedAt` from the envelope, never client time and never another panel's `fetchedAt`, so notifications that arrived after that instant remain unread. The confirm control is disabled while submitting; a double click sends one request. Success: the notifications panel alone re-applies from a fresh call (per A-1) and a success toast fires. Failure: the dialog closes, no local state changes, and an error toast fires with a Retry action that resubmits with the identical snapshot; a CSRF rejection arrives as the typed `forbidden` error during submit and maps to the copy \"Session expired, reload\" with no Retry action. If A-11 finds the bulk-read API absent and a new mutation API is not approved, A-5 is dropped from v1, the notifications panel ships without a Mark all as read control, and T-3 becomes moot.\n- **A-6 Product instrumentation.** Events: `dashboard_viewed {cohort}`, `dashboard_panel_rendered {panel, status, durationMs}`, `dashboard_quick_action_clicked {actionId}`, `dashboard_notification_clicked {notificationId}`, `dashboard_mark_all_read_submitted`, `dashboard_mark_all_read_succeeded`, `dashboard_mark_all_read_failed {errorKind}` where `errorKind` is one of the five typed client error kinds, `dashboard_panel_retry_clicked {panel}`. All carry member id, workspace id, and session id so they join to the existing login, action-start, action-completion, and permission-error events.\n- **A-7 Rollout: baseline, holdout, criteria, rollback.** Sequencing: (0) record the baseline per Metrics (historical if analytics exist, otherwise the holdout's first 7 days); (1) deploy dark with flag `dashboard_v1` off; (2) staging verification: E2E suite, axe at 375/768/1280, handler p95 \u2264 2.5s under 3x the current peak requests-per-second of the busiest of the three replaced pages, read from existing request metrics; (3) enable `dashboard_v1` for 5% of members with a 5% pure holdout cohort `dashboard_holdout` (today's landing behavior, zero build); (4) 25%/25%; (5) 50%/50%; (6) 100% dashboard only if every Metrics target and guardrail holds over the 50/50 evaluation window. Each step waits for the evaluation window (\u2265 7 days and \u2265 N sessions per arm) before promotion. The optional third arm `dashboard_control_redirect` (E-7) is added at step 3 only if T-1 stands at the Final Gate; the holdout comparison never depends on it. Rollback at any step is flag off; nothing to unwind. Post-deploy checks: first 5 minutes dashboard 5xx = 0, panel error rate < 1%, p95 < 2.5s; first hour guardrails stable.\n- **A-8 Operational observability.** Log: one structured line per request with member id, workspace id, per-panel status, per-panel durationMs, plus one warning per panel error with error class and panel name. Metrics: `dashboard.request.duration` histogram, `dashboard.panel.status{panel,status}` counter, `dashboard.panel.duration{panel}` histogram, `dashboard.markallread{outcome}` counter. Alerts: page p95 > 2.5s for 10 minutes; any panel error rate > 5% for 10 minutes; dashboard-cohort permission-error rate exceeding holdout by 2 points. Runbook: panel error spike \u2192 check that panel's dependency; p95 spike \u2192 compare panel durations to find the slow one; guardrail regression \u2192 flag off.\n- **A-9 Test plan.** Vitest unit: `toPanelResult` (ok, timeout, throw, undefined; `fetchedAt` set on every variant), eligibility filtering (filtered set, throwing predicate omitted, zero eligible), toast primitive (live region present, text-only, 4 \u2192 3 overflow, dismiss, action, reduced motion), analytics events fire once with payload. RTL: `DashboardPanel` every state per panel; Retry re-applies only its panel (retry Activity, then assert notifications rows and `notifications.fetchedAt` unchanged); whole-request failure renders three retryable error panels; skeleton row count equals data row count; `MarkAllReadDialog` sends exactly `notifications.fetchedAt` even after an Activity retry produced a newer response, one request on double click, per-outcome toasts, Retry toast resubmits the identical snapshot, `forbidden` during submit shows the session-expired copy, Escape returns focus, zero-unread disabled, notification newer than `fetchedAt` stays unread; if T-2 stands, the Activity disclosure is collapsed by default below md and announces state. Integration: handler all-ok, one-panel-failure still 200, all-fail, 401, other-workspace 403, query params ignored, using existing fixtures plus new \"one panel errors, two succeed\" and \"all three empty\" fixtures. Playwright: login \u2192 dashboard \u2192 quick action lands on target; one-panel-503 degradation; keyboard-only traversal with visible focus on every control; axe zero violations at 375/768/1280. Timeout tests use fake timers.\n- **A-10 Token-only styling.** All dashboard, dialog, and toast styling uses existing Tailwind tokens; no literal hex/rgb/px values, so a future dark-mode plan is a token swap. Touch targets \u2265 44px below md. A CI lint/grep for literal colors in the dashboard and feedback component directories; axe contrast checks in E2E.\n- **A-11 Dependency verification gate.** Before implementation starts, confirm every row of the Verified-dependencies checklist against the target codebase and record status. Any absent dependency switches that row to build-first and re-estimates the plan. For the bulk-read API specifically, an explicit decision to allow a new mutation API is required before A-5 proceeds; if denied, A-5's fallback applies. If a toast primitive is present, A-3 reuses it.\n\n## Taste decisions surfaced to the Final Gate\n- **T-1** Add the optional redirect + \"Next up\" strip arm (E-7) alongside the mandatory holdout. Recommended: yes, it tests the cheapest alternative. Cost if wrong: ~3 days / ~20 min of throwaway experiment UI.\n- **T-2** Panel order QuickActions \u2192 Notifications \u2192 Activity at every breakpoint; below md, ActivityFeed collapses to a \"Recent changes (N)\" disclosure. Recommended: yes. Alternative: the plan's listing order (Activity first).\n- **T-3** Keep the confirmation modal for Mark all as read. Recommended: keep. The independent reviewer recommends inline undo instead; undo would need an un-read API, which does not exist per the plan and which the plan forbids adding. The modal is the only safety mechanism in v1.\n\n## Premise challenge queued for the Final Gate\n- **PC-1** The repository contains only README.md and the plan. Every \"existing contract\" the plan relies on is unverifiable here. If the plan targets this repo as-is, every \"reuse\" row above becomes \"build first\" and total effort roughly triples. A-11 turns this into an implementation gate rather than an assumption.\n\n## Deferred to TODOS.md\n- E-2 Per-action eligible counts (P2, ~3 days / ~30 min). Depends on v1 shipped and measured.\n- E-5 \"New since last visit\" markers (P3, ~3 days / ~30 min). Depends on allowing a new mutation API.\n- E-8 Refetch on tab refocus (P3, ~2h / ~5 min). Per-panel `fetchedAt` keeps mark-all-read correct when added.\n- E-9 Notification deep links (P3, ~2h / ~5 min). Depends on confirming the notification schema.\n"
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    "all100PublicToolsProofSHA": "7638fb4cb24cd5b8da3bc984dd5fe5981aad28169c228d87fd9f586f7c165945",
    "beforeMatchesLatestSuccessfulWrite": true,
    "projection": "Only latest successful same-file Write/result retained here; all100 original public events are separately retained and replayed in context."
  }
}