feat: v0.3.2 — project-local state, diff-aware QA, Greptile integration (#36)

* fix: cookie import picker returns JSON instead of HTML

jsonResponse() was defined at module scope but referenced `url` which
only existed as a parameter of handleCookiePickerRoute(). Every API call
crashed, the catch block also crashed, and Bun returned a default HTML
page that the frontend couldn't parse as JSON.

Thread port via corsOrigin() helper and options objects. Add route-level
tests to prevent this class of bug from shipping again.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: add help command to browse server

Agents that don't have SKILL.md loaded (or misread flags) had no way to
self-discover the CLI. The help command returns a formatted reference of
all commands and snapshot flags.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: version-aware find-browse with META signal protocol

Agents in other workspaces found stale browse binaries that were missing
newer flags. find-browse now compares the local binary's git SHA against
origin/main via git ls-remote (4hr cache), and emits META:UPDATE_AVAILABLE
when behind. SKILL.md setup checks parse META signals and prompt the user
to update.

- New compiled binary: browse/dist/find-browse (TypeScript, testable)
- Bash shim at browse/bin/find-browse delegates to compiled binary
- .version file written at build time with git commit SHA
- Build script compiles both browse and find-browse binaries
- Graceful degradation: offline, missing .version, corrupt cache all skip check

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore: clean up .bun-build temp files after compile

bun build --compile leaves ~58MB temp files in the working directory.
Add rm -f .*.bun-build to the build script to clean up after each build.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: make help command reachable by removing it from META_COMMANDS

help was in META_COMMANDS, so it dispatched to handleMetaCommand() which
threw "Unknown meta command: help". Removing it from the set lets the
dedicated else-if handler in handleCommand() execute correctly.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore: bump version and changelog (v0.3.2)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: add shared Greptile comment triage reference doc

Shared reference for fetching, filtering, and classifying Greptile
review comments on GitHub PRs. Used by both /review and /ship skills.
Includes parallel API fetching, suppressions check, classification
logic, reply APIs, and history file writes.

* feat: make /review and /ship Greptile-aware

/review: Step 2.5 fetches and classifies Greptile comments, Step 5
resolves them with AskUserQuestion for valid issues and false positives.

/ship: Step 3.75 triages Greptile comments between pre-landing review
and version bump. Adds Greptile Review section to PR body in Step 8.
Re-runs tests if any Greptile fixes are applied.

* feat: add Greptile batting average to /retro

Reads ~/.gstack/greptile-history.md, computes signal ratio
(valid catches vs false positives), includes in metrics table,
JSON snapshot, and Code Quality Signals narrative.

* docs: add Greptile integration section to README

Personal endorsement, two-layer review narrative, full UX walkthrough
transcript, skills table updates. Add Greptile training feedback loop
to TODO.md future ideas.

* feat: add local dev mode for testing skills from within the repo

bin/dev-setup creates .claude/skills/gstack symlink to the working tree
so Claude Code discovers skills locally. bin/dev-teardown cleans up.
DEVELOPING_GSTACK.md documents the workflow.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: narrow gitignore to .claude/skills/ instead of all .claude/

Avoids ignoring legitimate Claude Code config like settings.json or CLAUDE.md.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* docs: rename DEVELOPING_GSTACK.md to CONTRIBUTING.md

Rewritten as a contributor-friendly guide instead of a dry plan doc.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* docs: explain why dev-setup is needed in CONTRIBUTING.md quick start

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: add browser interaction guidance to CLAUDE.md

Prevents Claude from using mcp__claude-in-chrome__* tools instead of /browse.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: add shared config module for project-local browse state

Centralizes path resolution (git root detection, state dir, log paths) into
config.ts. Both cli.ts and server.ts import from it, eliminating duplicated
PORT_OFFSET/BROWSE_PORT/STATE_FILE logic.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: rewrite port selection to use random ports

Replace CONDUCTOR_PORT magic offset and 9400-9409 scan with random port
10000-60000. Atomic state file writes, log paths from config module,
binaryVersion field for auto-restart on update.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: move browse state from /tmp to project-local .gstack/

CLI now uses config module for state paths, passes BROWSE_STATE_FILE to
spawned server. Adds version mismatch auto-restart, legacy /tmp cleanup
with PID verification, and removes stale global install fallback.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: update crash log path reference to .gstack/

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* test: add config tests and update CLI lifecycle test

14 new tests for config resolution, ensureStateDir, readVersionHash,
resolveServerScript, and version mismatch detection. Remove obsolete
CONDUCTOR_PORT/BROWSE_PORT filtering from commands.test.ts.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* docs: update BROWSER.md and TODO.md for project-local state

Replace /tmp paths with .gstack/, remove CONDUCTOR_PORT docs, document
random port selection and per-project isolation. Add server bundling TODO.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* docs: update README, CHANGELOG, and CONTRIBUTING for v0.3.2

- README: replace Conductor-aware language with project-local isolation,
  add Greptile setup note
- CHANGELOG: comprehensive v0.3.2 entry with all state management changes
- CONTRIBUTING: add instructions for testing branches in other repos

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: add diff-aware mode to /qa — auto-tests affected pages from branch diff

When on a feature branch, /qa now reads git diff main, identifies affected
pages/routes from changed files, and tests them automatically. No URL required.
The most natural flow: write code, /ship, /qa.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore: update CHANGELOG for complete v0.3.2 coverage

Add missing entries: diff-aware QA mode, Greptile integration,
local dev mode, crash log path fix, README/SKILL.md updates.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Garry Tan
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# Contributing to gstack
Thanks for wanting to make gstack better. Whether you're fixing a typo in a skill prompt or building an entirely new workflow, this guide will get you up and running fast.
## Quick start
gstack skills are Markdown files that Claude Code discovers from a `skills/` directory. Normally they live at `~/.claude/skills/gstack/` (your global install). But when you're developing gstack itself, you want Claude Code to use the skills *in your working tree* — so edits take effect instantly without copying or deploying anything.
That's what dev mode does. It symlinks your repo into the local `.claude/skills/` directory so Claude Code reads skills straight from your checkout.
```bash
git clone <repo> && cd gstack
bun install # install dependencies
bin/dev-setup # activate dev mode
```
Now edit any `SKILL.md`, invoke it in Claude Code (e.g. `/review`), and see your changes live. When you're done developing:
```bash
bin/dev-teardown # deactivate — back to your global install
```
## How dev mode works
`bin/dev-setup` creates a `.claude/skills/` directory inside the repo (gitignored) and fills it with symlinks pointing back to your working tree. Claude Code sees the local `skills/` first, so your edits win over the global install.
```
gstack/ <- your working tree
├── .claude/skills/ <- created by dev-setup (gitignored)
│ ├── gstack -> ../../ <- symlink back to repo root
│ ├── review -> gstack/review
│ ├── ship -> gstack/ship
│ └── ... <- one symlink per skill
├── review/
│ └── SKILL.md <- edit this, test with /review
├── ship/
│ └── SKILL.md
├── browse/
│ ├── src/ <- TypeScript source
│ └── dist/ <- compiled binary (gitignored)
└── ...
```
## Day-to-day workflow
```bash
# 1. Enter dev mode
bin/dev-setup
# 2. Edit a skill
vim review/SKILL.md
# 3. Test it in Claude Code — changes are live
# > /review
# 4. Editing browse source? Rebuild the binary
bun run build
# 5. Done for the day? Tear down
bin/dev-teardown
```
## Running tests
```bash
bun test # all tests (browse integration + snapshot)
bun run dev <cmd> # run CLI in dev mode, e.g. bun run dev goto https://example.com
bun run build # compile binary to browse/dist/browse
```
Tests run against the browse binary directly — they don't require dev mode.
## Things to know
- **SKILL.md changes are instant.** They're just Markdown. Edit, save, invoke.
- **Browse source changes need a rebuild.** If you touch `browse/src/*.ts`, run `bun run build`.
- **Dev mode shadows your global install.** Project-local skills take priority over `~/.claude/skills/gstack`. `bin/dev-teardown` restores the global one.
- **Conductor workspaces are independent.** Each workspace is its own clone. Run `bin/dev-setup` in the one you're working in.
- **`.claude/skills/` is gitignored.** The symlinks never get committed.
## Testing a branch in another repo
When you're developing gstack in one workspace and want to test your branch in a
different project (e.g. testing browse changes against your real app), there are
two cases depending on how gstack is installed in that project.
### Global install only (no `.claude/skills/gstack/` in the project)
Point your global install at the branch:
```bash
cd ~/.claude/skills/gstack
git fetch origin
git checkout origin/<branch> # e.g. origin/v0.3.2
bun install # in case deps changed
bun run build # rebuild the binary
```
Now open Claude Code in the other project — it picks up skills from
`~/.claude/skills/` automatically. To go back to main when you're done:
```bash
cd ~/.claude/skills/gstack
git checkout main && git pull
bun run build
```
### Vendored project copy (`.claude/skills/gstack/` checked into the project)
Some projects vendor gstack by copying it into the repo (no `.git` inside the
copy). Project-local skills take priority over global, so you need to update
the vendored copy too. This is a three-step process:
1. **Update your global install to the branch** (so you have the source):
```bash
cd ~/.claude/skills/gstack
git fetch origin
git checkout origin/<branch> # e.g. origin/v0.3.2
bun install && bun run build
```
2. **Replace the vendored copy** in the other project:
```bash
cd /path/to/other-project
# Remove old skill symlinks and vendored copy
for s in browse plan-ceo-review plan-eng-review review ship retro qa setup-browser-cookies; do
rm -f .claude/skills/$s
done
rm -rf .claude/skills/gstack
# Copy from global install (strips .git so it stays vendored)
cp -Rf ~/.claude/skills/gstack .claude/skills/gstack
rm -rf .claude/skills/gstack/.git
# Rebuild binary and re-create skill symlinks
cd .claude/skills/gstack && ./setup
```
3. **Test your changes** — open Claude Code in that project and use the skills.
To revert to main later, repeat steps 1-2 with `git checkout main && git pull`
instead of `git checkout origin/<branch>`.
## Shipping your changes
When you're happy with your skill edits:
```bash
/ship
```
This runs tests, reviews the diff, bumps the version, and opens a PR. See `ship/SKILL.md` for the full workflow.