Files
gstack/AGENTS.md
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0530392821 v1.81.0.0 feat: Aside is the browser gstack drives first; every browsing skill, the PDF/diagram renderer, and web research; the bundled browser stays the automatic fallback (#2810)
* feat(aside): browser-driver contract, cookbook, research and fallback resolvers

{{ASIDE_SETUP}} (readiness probe + ten rules for driving the user's real browser), {{ASIDE_COOKBOOK}} (script shapes verified live against Aside CLI 1.26: one flow per aside repl script, CDP console hook before navigation, evidence lines, session-directory artifact handoff, GSTACK_STEP_OK sentinel), {{ASIDE_RESEARCH}} (research through aside exec, WebSearch when Aside is absent, knowledge otherwise) and {{BROWSE_FALLBACK}} (the fifteen-row Aside-step to $B-command table plus the rules that differ, so every browsing skill keeps working on gstack's own headless browser). test/aside-driver.test.ts pins the sentences and asserts every browsing skill carries the Aside block followed by the fallback; test/helpers/aside-available.ts is the shared live-Aside probe.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* feat(render): Aside-first local-HTML renderer with the bundled browser as fallback

lib/aside-render.ts serves the HTML's directory on loopback (Aside refuses file:// URLs), opens it with waitUntil load, prints through CDP Page.printToPDF so tagged output, outlines, header/footer templates and page numbers survive, emulates device metrics for sized screenshots, and writes in-page evaluations to files; when Aside is absent it runs the same spec through the browse daemon (newtab, load, js, pdf, screenshot, closetab) and reports ENGINE=aside|browse. bin/gstack-render.ts is the CLI skill templates call. lib/claude-bin.ts and lib/error-handling.ts become the canonical copies (browse/src re-exports them).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(browse): /browse drives Aside first, with the $B reference behind the fallback

Contract, cookbook, mode choice (aside repl by default, aside exec for reading), report format, the fallback section, and the full command reference carved on demand.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(qa): /qa and /qa-only drive Aside, fall back to $B

QA_METHODOLOGY runs every phase as Aside scripts (orient, explore, document, re-test, mobile viewport via CDP emulation, links via HEAD fetch); the authenticate phase is 'you are already signed in'; a 13th rule requires consent before mutating actions on non-local targets; the fallback section translates each step onto $B. The qa E2E tests run on whichever engine is present.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(design): design-review, design-consultation, design-shotgun, plan-design-review, design-html drive Aside

Design-system extraction is one script printing FONTS/COLORS/HEADINGS/TOUCH_TARGETS/NAV; competitor research confirms the exact URLs before opening them in the real browser and runs on the bundled browser when Aside is absent; design-html's viewport screenshots, sketches and comparison boards render through gstack-render.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(deploy): benchmark, canary, land-and-deploy Step 7, devex-review drive Aside

One aside repl script per page prints NAV/PAINT/LCP/RESOURCES/SCRIPTS/CSS/SUMMARY (benchmark), CONSOLE_ERRORS/NAV/TEXT + screenshot (canary, re-run every 60s), and the post-deploy check reads responseStatus from the navigation entry; each carries the $B fallback.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* feat(third-party-actions): Aside is the recommended driver; gstack's visible browser stays the fallback

The readiness probe is lifted from {{ASIDE_SETUP}} at gen time (byte-identity pinned) and rule 3 points at browse/SKILL.md for how to drive; the consent question offers Aside first and gstack's own visible browser (handoff/resume for sign-in) as the fallback, as v1.72 framed it.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(scrape): /scrape reads pages through Aside; the browser-skills runtime rides the fallback

Look-then-extract scripts build the JSON inside the page and print it between JSON_START/JSON_END; aside exec for fuzzy intents; on the $B fallback the browser-skills match/prototype flow and /skillify apply as before.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(make-pdf): print through Aside first, the bundled browser otherwise

asideClient.ts replaces the direct $B client with one render() call per PDF (the exact option mapping the browse pdf command had: paper, margins, header/footer/page numbers, tagged, outline, printBackground, preferCSSPageSize, Paged.js wait); the diagram pre-pass, oversized-image downscale and DOCX rasters each run as one render script with per-fence try/catch; exit 4 now means no browser is available and names both remedies; $P setup reports which engine it found. The e2e gates run on whichever engine is present, so the Linux lane exercises the fallback.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(diagram): the triplet is one gstack-render call

SVG, PNG and excalidraw from one invocation over the content-addressed bundle staged under /tmp/gstack-render; every diagram type gets an excalidraw export; gstack-render picks the engine and prints ENGINE=; the diagram E2E gates on either engine.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* feat(research): web research runs in Aside first, WebSearch second

The planning, review, design, security and investigate skills research through {{ASIDE_RESEARCH}}; WebSearch stays in allowed-tools as the fallback; testing.ts's bootstrap step follows; skeleton ceilings ratcheted for the research block.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* feat(setup,gen-skill-docs): prune renders of skills that no longer exist

setup gains _prune_stale_generated for every host tree and the doc generator removes gstack-* output dirs it did not write, so a skill removed from the source tree can never linger in an install.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* test: registries, budgets and suite reconciled for Aside-first with the $B fallback

Touchfiles + E2E tiers gain the Aside keys, coverage matrix and eval baselines updated, size budget re-baselined to parity-baseline-v1.80.0.0.json (the contract plus fallback ride in every browsing skill), parity ceilings ratcheted with measured values, LLM-judge prompts and the E2E fixtures speak Aside-first, browse-fallback.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: Aside first, gstack browser fallback

README, BROWSER.md, docs/, CONTRIBUTING, CLAUDE.md, ARCHITECTURE, AGENTS.md, TODOS and the root router describe the one product story: Aside is the browser gstack drives first; the bundled headless browser is the automatic fallback (Linux, Windows, app closed) where cookie import, GStack Browser, pair-agent and browser-skills still apply.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* chore: regenerate SKILL.md docs, llms.txt, agents digest, ship goldens, context-budget fixture

bun run gen:skill-docs over the templates; goldens re-rendered; context-budget ceilings recaptured.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* v1.80.0.0: Aside is the browser gstack drives first; the bundled browser is the fallback

MINOR: new capability across ten skills, the renderer and research; nothing removed. CHANGELOG release summary + itemized changes; VERSION 1.80.0.0; package.json 1.80.0.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs(todos): file non-Claude host ownership-gate and version-heading pin follow-ups

Two follow-ups from the /plan-ceo-review + /plan-eng-review pass on merging
PR #2804 with main's v1.80.0.0 ownership gate: bring the Codex/Factory/
OpenCode/Cursor/Kiro copy loops and the stale-render prune under the
.gstack-owned marker rule, and a free test pinning that the CHANGELOG top
heading equals VERSION (the collision that git cannot see).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* fix: pre-landing review fixes for the Aside-first branch

Review army + adversarial passes (Claude and Codex) on the merged branch:

setup
- _prune_stale_generated scans the host dirs too (the generator already
  removed the render before setup ran, so the host branch was dead), skips
  symlinks in the render tree (rm -rf on a slash-terminated link empties its
  target), removes a host symlink only when it resolves into gstack, cleans a
  bannered real dir through _cleanup_weak_dir, recognizes frontmatter-renamed
  skills, and logs through log. The always-run codex render passes every host
  dir that may link to it.
- NEEDS_BUILD checks all three binaries (with $_EXE) and lib/ sources; the
  browser hint and the bootstrap summary honor GSTACK_SKIP_ASIDE, treat a
  requested skip as a request, and derive one skill list.

lib/aside-render.ts + bin/gstack-render.ts
- The loopback server carries a per-render secret path, checks containment on
  the real path (symlink escapes are 403), and rejects malformed encoding.
- Inline eval results are one base64 line, so page text cannot forge
  ASIDE_DIR= or the sentinel; the last ASIDE_DIR wins.
- runProc escalates SIGTERM to SIGKILL, bounds every wait, and clears every
  timer (an uncleared one kept gstack-render alive after printing OK).
- renderTmpDir refuses a shared /tmp name owned by someone else; the work dir
  and server are created inside try; goto's budget follows the render budget.
- probeAside classifies a present-but-failing CLI as ASIDE_NOT_RUNNING like
  the skills' bash probe; render() retries on gstack's own browser when Aside
  could not start or its private CDP bridge is gone (never on a page error
  or a timeout of a running script); the CLI reports the engine that actually
  rendered, exits 0 on --help, rejects non-numeric flags, documents
  --wait-timeout, fences EVAL/PAGE_ERRORS as untrusted content, and names the
  daemon's cookie-import JS lock remedy.
- The browse path passes --scale only when asked (a scale change rebuilds
  the daemon context) and restores the viewport after a sized screenshot.

resolvers / templates
- The bash probe honors GSTACK_SKIP_ASIDE and has a perl deadline on stock
  macOS; .local is no longer LOCAL (mDNS); same-origin filters compare parsed
  origins; link status is HEAD-checked only on LOCAL targets; every
  aside exec goes through the receipted _aside_exec prelude
  ({{ASIDE_EXEC_PRELUDE}}), including nine template blocks that called it
  bare; the design sketch and diagram staging use private directories.
- The generator prunes only bannered renders and never a host whose
  generation failed.

Docs, stale comments and dead code cleaned; goldens re-rendered; tests
updated and added for every behavior above.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* test: coverage for the render CLI, setup rebuild check, make-pdf exit codes, and prose $B spans

New free tests from the ship coverage audit: test/gstack-render-cli.test.ts
(argv guards, --help, output contract with a fake daemon, failure and
serve-root paths, no-browser case, prompt exit), test/setup-needs-build.test.ts
(every binary and source set flips NEEDS_BUILD, Windows suffixes),
make-pdf/test/cli-exit-codes.test.ts and setup-smoke.test.ts (error to exit
code mapping, runSetup stages, renderPdf's engine), and prose-span cases for
extractBrowseCommands in test/skill-parser.test.ts.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: CHANGELOG and TODOS cover the review fixes (v1.81.0.0)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: sync project docs with the v1.81.0.0 review fixes

BROWSER.md, ARCHITECTURE.md, CONTRIBUTING.md, README.md, CLAUDE.md,
docs/TESTING_INTERNALS.md and docs/PROJECT_STRUCTURE.md now describe the
shipped renderer and setup: the loopback render server's per-render secret
path and real-path containment, ENGINE= naming the engine that actually
rendered (mid-run retry on gstack's own browser), EVAL/PAGE_ERRORS fenced as
untrusted content, --wait-timeout and the CLI's argv guards, the receipted
_aside_exec prelude ({{ASIDE_EXEC_PRELUDE}} in the placeholder table), the
LOCAL host rule without .local, LOCAL-only HEAD checks in the links script,
GSTACK_SKIP_ASIDE across probe/renderer/setup, the ownership-gated
retired-skill prune, the widened NEEDS_BUILD check, and the new free tests
(gstack-render-cli, setup-prune-stale-generated, setup-browser-hint,
setup-needs-build, make-pdf cli-exit-codes and setup-smoke).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: CHANGELOG states the precise mid-run retry rule

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* fix(test): skill-e2e-bws slices the $B setup block from the Browser fallback section

browse/SKILL.md no longer has '## SETUP' / '## Core QA Patterns' (Aside is the
primary driver; the $B block moved under 'Browser fallback'), so the gate test
sliced an empty block and handed the agent nothing to run. Anchor on
'### Find the `$B` binary' up to the next heading. 7/7 pass.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* fix(test): gate POSIX-only fixtures off Windows

windows-free-tests: the gstack-render CLI tests drive a shebang fake browse
that CreateProcess cannot exec, and two NEEDS_BUILD cases assert an execute
bit and a bare-name miss that MSYS bash does not have (test -x ignores mode
bits and resolves design -> design.exe). Those describes and cases now
self-skip on win32; argument guards, --help, the no-browser case, and every
other rebuild-check case still run there.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* fix(render): runProc waits for the exit code until the kill deadline; newtab retries once on a cold daemon

A process whose pipes have reached EOF is exiting, but runProc gave the exit
code only five seconds to arrive and then returned null, which run() reports
as a failed command. Under CI's six-shard load one such render failed with the
artifact already written. The SIGTERM/SIGKILL timers already bound the wait,
so the exit race now runs to the kill deadline.

The first CLI call auto-starts the browse daemon; on a cold start it can
answer 'Unable to connect' once while the server is still coming up. That
single case is retried after 1.5s; every other newtab failure is not.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* test(aside-render): warm the daemon before live fallback cases; failures name the render error

- Live fallback cases run 'goto about:blank' up to twice before asserting and
  skip (never fail) when the daemon cannot come up.
- expectOk() puts r.error and the browse transcript into the assertion so a
  failed render is diagnosable from the CI log.
- The argv-contract cases dump the fake's log on a miss.
- File default timeout is 30s: the subject is the CLI contract, not latency.
- Two cases pin the cold-daemon newtab retry and that other errors are not
  retried.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: CHANGELOG notes the cold-start tolerance of the bundled-browser renderer

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

---------

Co-authored-by: Sina <sdroid674+github@gmail.com>
Co-authored-by: Claude Fable 5.1 <noreply@anthropic.com>
2026-09-06 08:54:25 -07:00

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Markdown

# gstack — AI Engineering Workflow
gstack is a collection of SKILL.md files that give AI agents structured roles for
software development. Each skill is a specialist: CEO reviewer, eng manager,
designer, QA lead, release engineer, debugger, and more.
## Available skills
Skills live in `.agents/skills/` (or `~/.claude/skills/gstack/` on Claude Code).
Invoke them by name (e.g., `/office-hours`).
### Plan-mode reviews
| Skill | What it does |
|-------|-------------|
| `/office-hours` | Start here. Reframes your product idea before you write code. |
| `/plan-ceo-review` | CEO-level review: find the 10-star product in the request. |
| `/plan-eng-review` | Lock architecture, data flow, edge cases, and tests. |
| `/plan-design-review` | Rate each design dimension 0-10, explain what a 10 looks like. |
| `/plan-devex-review` | DX-mode review: TTHW, magical moments, friction points, persona traces. |
| `/plan-tune` | Self-tune AskUserQuestion sensitivity per question. |
| `/autoplan` | One command runs CEO → design → DX → eng review (eng always last). |
| `/design-consultation` | Build a complete design system from scratch. |
| `/spec` | Turn vague intent into a precise, executable spec in five phases. Files a GitHub issue, optionally spawns a Claude Code agent in a fresh worktree, and lets `/ship` close the source issue on merge. |
### Implementation + review
| Skill | What it does |
|-------|-------------|
| `/review` | Pre-landing PR review. Finds bugs that pass CI but break in prod. |
| `/codex` | Second opinion via OpenAI Codex. Review, challenge, or consult modes. |
| `/investigate` | Systematic root-cause debugging. No fixes without investigation. |
| `/design-review` | Live-site visual audit + fix loop with atomic commits. |
| `/design-shotgun` | Generate multiple AI design variants, comparison board, iterate. |
| `/design-html` | Generate production-quality Pretext-native HTML/CSS. |
| `/devex-review` | Live developer experience audit (TTHW measured against the real flow). |
| `/qa` | Open a real browser, find bugs, fix them, re-verify. |
| `/qa-only` | Same methodology as /qa but report only — no code changes. |
| `/scrape` | Pull data from a web page in your Aside browser, with your real logged-in state. Read-only. On the fallback browser a codified browser-skill answers a repeat intent in ~200ms. |
| `/skillify` | Codify the most recent successful `/scrape` flow into a permanent browser-skill (fallback browser only). |
### Release + deploy
| Skill | What it does |
|-------|-------------|
| `/ship` | Run tests, review, push, open PR. Workspace-aware version queue. |
| `/land-and-deploy` | Merge the PR, wait for CI and deploy, verify production health. |
| `/canary` | Post-deploy monitoring loop in your Aside browser (or gstack's own when Aside is absent). |
| `/landing-report` | Read-only dashboard for the workspace-aware ship queue. |
| `/document-release` | Update all docs to match what you just shipped. |
| `/document-generate` | Generate Diataxis docs (tutorial / how-to / reference / explanation) from code. |
| `/setup-deploy` | One-time deploy config detection (Fly.io, Render, Vercel, etc.). |
| `/gstack-upgrade` | Update gstack to the latest version. |
### Operational + memory
| Skill | What it does |
|-------|-------------|
| `/context-save` | Save working context (git state, decisions, remaining work). |
| `/context-restore` | Resume from a saved context, even across Conductor workspaces. |
| `/learn` | Manage what gstack learned across sessions. |
| `/retro` | Weekly retro with per-person breakdowns and shipping streaks. |
| `/health` | Code quality dashboard (type checker, linter, tests, dead code). |
| `/benchmark` | Performance regression detection (page load, Core Web Vitals). |
| `/benchmark-models` | Cross-model benchmark for skills (Claude, GPT, Gemini side-by-side). |
| `/cso` | OWASP Top 10 + STRIDE security audit. |
| `/setup-gbrain` | Set up gbrain for cross-machine session memory sync. |
| `/sync-gbrain` | Keep gbrain current with this repo's code; refresh agent search guidance in CLAUDE.md. |
### Browser + agent integration
Every browser skill drives the Aside AI browser first (macOS 15+, aside.com) —
the user's real browser with their real sessions, through `aside repl` scripts;
gstack never installs it. When Aside is not installed or not running (Linux,
Windows, a closed Aside app) the same skills fall back automatically to gstack's
own headless Chromium (`$B`), which is where the three skills under `/browse` apply.
| Skill | What it does |
|-------|-------------|
| `/browse` | Drive a browser: open a page, read it, click through a flow, screenshots, console errors. Aside first; gstack's own Chromium (~100ms/command) as the fallback. Every other browser skill stands on it. |
| `/open-gstack-browser` | Launch the visible GStack Browser with sidebar + stealth — the headed face of the fallback engine. |
| `/setup-browser-cookies` | Import cookies from your real browser into the fallback engine for authenticated testing. Unnecessary on Aside. |
| `/pair-agent` | Pair a remote AI agent (OpenClaw, Codex, etc.) with gstack's own browser over a scoped tunnel. |
### iOS QA — drive real iPhones over USB or Tailscale (v1.43.0.0+)
| Skill | What it does |
|-------|-------------|
| `/ios-qa` | Live-device iOS QA via USB CoreDevice tunnel + embedded StateServer. Optionally exposes the device over Tailscale so remote agents can drive it. |
| `/ios-fix` | Autonomous iOS bug fixer with regression snapshot capture. |
| `/ios-design-review` | Designer's-eye QA on a real iPhone — 10-dimension Apple HIG rubric. |
| `/ios-clean` | Convenience: strip DebugBridge + #if DEBUG wiring before a Release build. |
| `/ios-sync` | Regenerate the iOS debug bridge against the latest upstream templates. |
Companion CLIs (run on the Mac that's plugged into the device):
| Command | What it does |
|---------|-------------|
| `gstack-ios-qa-daemon` | Mac-side broker. Loopback by default; `--tailnet` adds a Tailscale-facing listener with capability tiers and audit logging. |
| `gstack-ios-qa-mint` | Owner-grant CLI for the tailnet allowlist (`grant`/`revoke`/`list`). |
| `gstack-ios-qa-regen` | Regenerate the canonical local DebugBridge package and typed accessors (`--app-source` / `--bridge-dir`). |
End-to-end walkthrough: [docs/howto-ios-testing-with-gstack.md](docs/howto-ios-testing-with-gstack.md).
### Safety + scoping
| Skill | What it does |
|-------|-------------|
| `/careful` | Warn before destructive commands (rm -rf, DROP TABLE, force-push). |
| `/freeze` | Lock edits to one directory. Hard block, not just a warning. |
| `/guard` | Activate both careful + freeze at once. |
| `/unfreeze` | Remove directory edit restrictions. |
| `/make-pdf` | Turn any markdown file into a publication-quality PDF. Renders through Aside, or gstack's own browser when Aside is absent. |
| `/diagram` | English in, diagram out: mermaid source + editable .excalidraw + SVG/PNG, offline. Renders through Aside, or gstack's own browser when Aside is absent. |
## Build commands
```bash
bun install # install dependencies
bun run test # run free tests via the strict shard runner (no API spend, ~90-100s)
bun run test:windows # curated Windows-safe subset (runs on windows-latest)
bun run build # generate docs + compile binaries
bun run gen:skill-docs # regenerate SKILL.md files from templates
bun run skill:check # health dashboard for all skills
```
## Platform support
- **macOS** + **Linux**: full test suite supported.
- **Windows**: curated Windows-safe subset runs on `windows-latest` via the
`windows-free-tests` CI job. Setup script (`./setup`) requires Git Bash or
MSYS today; native PowerShell support is a future expansion. The `bin/gstack-paths`
helper resolves state roots through `CLAUDE_PLUGIN_DATA` / `GSTACK_HOME` so plugin
installs work on every platform.
- **Browser and renderer**: the browser skills, `/make-pdf`, and `/diagram` drive
the Aside browser first, which is macOS 15+ only. On Linux and Windows (or a
Mac with Aside closed) the readiness check says so once and the same skills use
gstack's own bundled browser, built by `./setup`.
## Key conventions
- SKILL.md files are **generated** from `.tmpl` templates. Edit the template, not the output.
- Run `bun run gen:skill-docs --host codex` to regenerate Codex-specific output.
- Browser steps in skills are `aside repl` scripts per `scripts/resolvers/aside.ts` (Aside first), each with a `$B` equivalent for the fallback engine — `$B <command>` is the browse binary and is a legitimate tool when the Aside probe does not print `READY`. Local HTML renders through `bin/gstack-render.ts`, which picks the same way.
- Safety skills (careful, freeze, guard) use inline advisory prose — always confirm before destructive operations.
- State paths resolve via `bin/gstack-paths` (sourced via `eval "$(...)"`). Honors `GSTACK_HOME`, `CLAUDE_PLUGIN_DATA`, `CLAUDE_PLANS_DIR`.
- The `claude` CLI binary resolves via `lib/claude-bin.ts` (re-exported from `browse/src/claude-bin.ts` for browse internals; `Bun.which()` + `GSTACK_CLAUDE_BIN` override). Set `GSTACK_CLAUDE_BIN=wsl` plus `GSTACK_CLAUDE_BIN_ARGS='["claude"]'` to run Claude through WSL on Windows.