tmu
da5ab79f9b
A skill duplicated AGENTS.md policy and only worked in Agent-Skills harnesses. A bare top-level script is the repo-native affordance: every harness (and CI, and a human) reads package.json#scripts as the source of truth. Add `npm run verify` = `npm run check` + `test:unit` (tsc runs once, since check already type-checks) as the one-shot whole-project correctness gate. Delete .agents/skills/verify/SKILL.md. Document verify in README (Development + a Tooling-decisions bullet + bare-command note in the prefix list), CONTRIBUTING (feedback-tier table, "Before pushing", the bare-command paragraph, a "why these splits" bullet), and AGENTS.md (test = fast iterating gate, verify = definition of done; skill pointer removed).
43 lines
4.1 KiB
Markdown
43 lines
4.1 KiB
Markdown
# AGENTS.md
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Machine entry point for AI coding agents working in this repo. The authoritative
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guidance for humans lives in [CONTRIBUTING.md](./CONTRIBUTING.md) and
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[README.md](./README.md); this file only points at it and states the stable
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first-action facts. Do not restate evolving prose here — it will drift.
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## First action
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- Project: F#-style pattern matching for TypeScript/ESM. Node `>=26` (pinned via `.node-version`), ESM-only (no CommonJS shim).
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- **While iterating:** `npm run test` (`check:tsc` + the unit suite) for fast feedback on the files you changed.
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- **Definition of done — run this before you call the work finished:** `npm run verify`. It is one shot of the whole-project correctness ladder (`npm run check`: `tsc → oxlint → oxfmt → cspell`, then the unit suite; tsc runs once), excluding advisory maintenance. If all green, commit. If red, look at the output, fix the root cause, and re-run.
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- **On commit:** write a good message (see [CONTRIBUTING.md § Commit messages](./CONTRIBUTING.md#commit-messages)). Lefthook's pre-commit hook already runs the fast, offline, staged-file checks (`tsc` + `oxlint` + `oxfmt` + `cspell`) — don't run them by hand. If the hook fails on style, `npm run fix`, restage, recommit.
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- **`npm run maintain` is NOT part of the feature loop.** `maintain:knip` (dead-code/deps) and `maintain:outdated` (registry) are advisory maintenance scans. Run them only on an explicit maintenance / update-deps branch; CI surfaces them via a non-blocking job, never as a gate.
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```sh
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npm run test # while iterating (fast feedback)
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npm run verify # definition of done: whole-project correctness, one shot
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```
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## Never do
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Don't silence the type system to force a green run. As an agent these are forbidden:
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- `// @ts-nocheck`, `// @ts-ignore`, `// @ts-expect-error`
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- `// oxlint-disable` / `// oxlint-disable-next-line`
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- `as` casts used to push an expression through (type-aware oxlint already flags unsafe assertions)
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Fix the root cause with the type system instead — narrowing, generics, `satisfies`, conditional / mapped types, utility types (`NonNullable`, `Exclude`, …). TypeScript can express it; that's the intended tool. The `oxlint-disable`-location rule in [CONTRIBUTING.md § Rules the tools don't enforce](./CONTRIBUTING.md#rules-the-tools-dont-enforce) is a **human** last-resort convention (so a reviewer can spot a deliberate suppression) — it is not permission for you to add one. If the types genuinely cannot express something, stop and surface the conflict (commit message / MR) rather than suppress it.
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The same applies to the checks themselves: **never `git commit --no-verify`** (or otherwise skip a pre-commit / pre-push hook). The checks are fast and offline, so a redundant run is fine — bypassing a hook to get green is the identical anti-pattern. If a commit already skipped a hook, redo it through one: `git reset --soft HEAD~1 && git commit -C <skipped-sha>`.
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Never start a long-lived / blocking process such as `npm run watch`. It runs until a human stops it with Ctrl-C, so in an agent turn it hangs forever and floods the context with continuous output. Reach for a one-shot command instead — `npm run test` (or `npm run check`) — to get feedback.
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## Read these
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- [CONTRIBUTING.md § Rules the tools don't enforce](./CONTRIBUTING.md#rules-the-tools-dont-enforce) — the constraints the linters don't catch; CI/review bounce these. **The most important section.**
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- [CONTRIBUTING.md § Script prefix convention](./CONTRIBUTING.md#script-prefix-convention) — adding an `npm run` script? reuse an existing prefix or it doesn't belong.
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- [CONTRIBUTING.md § Commit messages](./CONTRIBUTING.md#commit-messages) — gitmoji + imperative + 50/72.
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- [CONTRIBUTING.md § Feedback tiers](./CONTRIBUTING.md#feedback-tiers) — what runs when (`watch` / pre-commit / pre-push / `check` / `fix` / CI).
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- [README.md § Tooling decisions](./README.md#tooling-decisions) — the rationale behind each tool choice; read before changing tooling.
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- [package.json `#scripts`](./package.json) — the source of truth for every command (the `LEFTHOOK_FILES` convention scopes them to staged files vs. the whole project).
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