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openspec/changes/auth-require-api-permission/tasks.md

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+# Tasks — Auth `requireApiPermission` middleware
+
+> Every checkbox MUST reflect work actually done in this change. Do not retroactively tick.
+
+## 0. Pre-flight (non-negotiable)
+
+- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
+- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
+- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
+
+## Audit Note (2026-05-02)
+
+**Minimal progress** — DEFERRED, do not archive.
+
+- No `packages/auth/auth/src/api-keys/require-api-permission/` directory exists.
+- `grep -rn "requireApiPermission\|requireAnyApiPermission\|requireAllApiPermissions" packages/auth/auth/src/` returns zero hits.
+- `bunx turbo lint typecheck test --filter=@suaveplan/auth` is GREEN (161 tests) — but the green is on the existing surface; the new exports promised by this proposal are not implemented.
+- All 43 tasks remain to be done as written (spec authoring, three-middleware implementation, OTel counter, Zod boundary validation, sibling `.md`, README, subpath export, conformance test).
+
+## 1. Spec authoring
+
+- [ ] 1.1 Read `../suaveplan/enterprise/auth.md` end-to-end (confirm `requireApiPermission` is documented at L1-L100 baseline)
+- [ ] 1.2 Read `openspec/specs/auth/spec.md` (canonical capability spec; this change introduces it if absent)
+- [ ] 1.3 Read `openspec/AGENTS.md` Sections 13 and 14
+- [ ] 1.4 Read existing `packages/auth/auth/src/api-keys/api-keys.ts` and `auth-middleware/auth-middleware.ts` to confirm the `MiddlewareFn` and `next(error)` patterns
+- [ ] 1.5 Draft `proposal.md` from `openspec/templates/proposal.md`
+- [ ] 1.6 Fill `## Source mapping` table with upstream `api-keys.ts` L487-L506 reference
+- [ ] 1.7 Draft `specs/auth/spec.md` from `openspec/templates/spec-delta.md`
+- [ ] 1.8 Every requirement carries a `**Verified by:**` line
+- [ ] 1.9 `openspec change validate auth-require-api-permission` exits with no errors
+
+## 2. Implementation
+
+- [ ] 2.1 Create new feature directory `packages/auth/auth/src/api-keys/require-api-permission/`
+- [ ] 2.2 Implement `requireApiPermission(permission, options?): MiddlewareFn` in `require-api-permission.ts`:
+  1. Read `req.apiKey` (cast through the same `r as Record<string, unknown>` pattern used in `validateApiKeyMiddleware`).
+  2. If absent, call `next(new ApiKeyInvalidError({ message: "API key required for permission check" }))` and return.
+  3. If present, check `hasPermission(apiKey, permission)`. On miss, call `next(new PermissionDeniedError({ permission, userId: apiKey.userId }))`.
+  4. On match, call `next()`.
+- [ ] 2.3 Implement `requireAnyApiPermission(permissions, options?): MiddlewareFn` — passes if `permissions.some(p => hasPermission(apiKey, p))`
+- [ ] 2.4 Implement `requireAllApiPermissions(permissions, options?): MiddlewareFn` — passes if `permissions.every(p => hasPermission(apiKey, p))`
+- [ ] 2.5 Emit OTel counter `auth.apikey.permission_check_total` tagged `{ result: "granted" | "denied" | "missing-key" }`
+- [ ] 2.6 Reject empty `permissions` array in `requireAnyApiPermission` / `requireAllApiPermissions` at construction time (throw `ApiKeyInvalidError` with `message: "permissions array must be non-empty"`)
+- [ ] 2.7 Write barrel `index.ts` re-exporting the three middleware factories
+- [ ] 2.8 Sibling `.md` (≥200 words, basic + advanced examples)
+
+## 3. Wiring
+
+- [ ] 3.1 Update `packages/auth/auth/src/index.ts` to re-export `requireApiPermission`, `requireAnyApiPermission`, `requireAllApiPermissions` from the new feature directory
+- [ ] 3.2 Add subpath export `./api-keys/require-api-permission/require-api-permission` to `packages/auth/auth/package.json` `exports`
+- [ ] 3.3 Update root `README.md` `## Modules` section to link the new co-located `.md`
+
+## 4. Tests
+
+- [ ] 4.1 `packages/auth/auth/src/api-keys/require-api-permission/require-api-permission.test.ts` — happy path (apiKey has permission, `next()` called with no args); missing `req.apiKey` (`next(ApiKeyInvalidError)`); missing permission (`next(PermissionDeniedError)`); wildcard `*` permission grants any (`next()` called with no args)
+- [ ] 4.2 `requireAnyApiPermission` tests — passes with subset match; fails when none match; throws on empty array
+- [ ] 4.3 `requireAllApiPermissions` tests — passes when all match (including via wildcard); fails on partial match; throws on empty array
+- [ ] 4.4 `packages/auth/auth/src/api-keys/require-api-permission/require-api-permission.spec-conformance.test.ts` — `expectTypeOf<ReturnType<typeof requireApiPermission>>().toMatchTypeOf<MiddlewareFn>()`; OTel counter `auth.apikey.permission_check_total` increments with the right `result` tag for each branch; works under Express-style `(req, res, next)` AND Hono-style `(c, next)` adapter shapes
+- [ ] 4.5 Every `it(...)` carries `{ timeout: 5000 }`
+
+## 5. Documentation
+
+- [ ] 5.1 Sibling `.md` for `require-api-permission.ts` (≥200 words, basic + advanced examples, full API reference covering all three factories)
+- [ ] 5.2 README links the new `.md` under `## Modules`
+- [ ] 5.3 Update `api-keys.md` `## Features` bullet list to mention the new permission-check middleware (cross-link, do not duplicate the API reference)
+
+## 6. Pre-archive verification (the 5-gate triple)
+
+- [ ] 6.1 `bun run check` — Biome 0/0/0 across the monorepo
+- [ ] 6.2 `bunx turbo lint typecheck test --filter=@suaveplan/auth` — green
+- [ ] 6.3 `bunx turbo test:coverage --filter=@suaveplan/auth` — 100/100/100/100
+- [ ] 6.4 `bun scripts/openspec-conformance.ts @suaveplan/auth` — exit 0, no `error` findings
+- [ ] 6.5 `bunx turbo build --filter=@suaveplan/auth` — green
+
+## 7. Pre-archive 7-row checklist (AGENTS.md Section 13)
+
+- [ ] 7.1 Generics threaded; `expectTypeOf` assertion that the return type matches `MiddlewareFn`
+- [ ] 7.2 Zod schemas wired at the public boundary — accept `permission: string` validated as non-empty
+- [ ] 7.3 Existing error codes (`AUTH.API_KEY_INVALID`, `AUTH.PERMISSION_DENIED`) thrown from the new production paths; no new codes registered (none needed)
+- [ ] 7.4 Strict-mode tested: explicit `undefined` apiKey vs missing apiKey property both route to `ApiKeyInvalidError`
+- [ ] 7.5 OTel counter `auth.apikey.permission_check_total` emitted from production paths and asserted with a real in-memory `MeterProvider`
+- [ ] 7.6 Lifecycle dedup: middleware is a fresh closure per call to the factory; verified that two factory calls produce independent `MiddlewareFn` instances
+- [ ] 7.7 No retroactive tick — every box reflects work done in this change
+
+## 8. Archive
+
+- [ ] 8.1 Fold spec delta into `openspec/specs/auth/spec.md` (creating it if absent)
+- [ ] 8.2 Move `openspec/changes/auth-require-api-permission/` → `openspec/archive/<yyyy-mm-dd>-auth-require-api-permission/`
+- [ ] 8.3 Refresh `MANIFEST.md` (no package set or dep changes expected, but rerun for safety)