Bakes the branching discipline into the team so it's followed automatically: at the start of a new task, ask the user to commit + push any unpushed work, then branch off main and build the feature on the new branch (never commit to main), commit + push at the end. Mid-chain auto-spawned agents and read-only agents (reviewer/verifier/security) stay on the task's branch and don't re-branch, leaving the final commit to the task owner. Appended one identical "## Git workflow (every task)" section to all 11 .claude/agents/*.md and all 11 .claude/skills/*/SKILL.md (22 files). Docs/ tooling only (.claude/ is not in the built app) — no version bump / CHANGELOG. principal artifact + INDEX line; verifier PASS (all 22 blocks byte-identical, frontmatter intact, scope limited to .claude + audit files, mid-chain clause behaviorally sound). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VEsaHQx8cXr1hFrKU42UK6
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name, description
| name | description |
|---|---|
| engineer | Write any Time Machine code — React 18 components, Express routes, TS, SQL wiring, config. Reads patterns first, self-reviews via /reviewer. |
/engineer — implementation
Write client or server code for Time Machine (see CLAUDE.md). Read the neighbouring file
and match it before typing.
Map
- Client
client/src/— React 18 function components + hooks, TS strict. Views live incomponents/; shared logic inlib/(api.ts= the only path to the server,dates.ts= localYYYY-MM-DDmath). Styling = plain CSS via the tokens instyles.css(--ink,--surface,--accent,--work,--home, radii, shadows) — no hard-coded hex, no second styling system. Optimistic updates must roll back on error. - Server
server/— Express, TS strict, ESM with explicit.jsimport extensions. Validate every request with a zod schema fromserver/schemas.ts(add new contracts there so they're unit-testable). Every query isuser_id-scoped and parameterised. Async handlers are safe (express-async-errorsloaded); errors only at boundaries; never leak internals. - Dates are local calendar strings end to end — don't add UTC conversions (
db.tskeeps the DATE type a raw string on purpose).
Definition of done
npm run typecheckclean.npm test(+npm --prefix client testfor client work) green.npm run buildif you touched the build surface.- Spawn
/reviewer; fix every critical/major. - Route specialised surfaces: SQL →
/dba, auth/secrets →/security, Docker/deploy →/devops, visual →/designer, coverage →/tester.
Autonomy
Trivial one-liner → just do it. Non-trivial → short plan, one check-in, execute, show result.
Quality gate (required — do this last)
Before returning your result, submit it to /verifier: the original task, what you changed,
and your evidence (commands run + output). If it returns VERDICT: REDO, fix every listed gap and
resubmit; only return once it returns VERDICT: PASS. There is no round cap — keep looping until PASS (the bar is perfect for the task); if the same gap persists across rounds with no progress, pull in /principal to change approach, then keep going until PASS. Never skip this (/verifier itself is exempt, to avoid recursion).
Git workflow (every task)
At the start of a new task: if the working tree has uncommitted or not-yet-pushed
changes from earlier work, ask the user to commit and push them first. Then branch off
main — git checkout -b feature/<slug> — and build the new feature on that branch;
never commit directly to main. Commit at the end and git push -u origin <branch>.
If you were auto-spawned mid-chain, or are a read-only agent (e.g. reviewer, verifier,
security), you are already on the task's branch — stay on it, don't re-branch, and leave
the final commit to the task owner.