docs(refactor-logs): tick all doc-update checklist items in Plan 8 + Plan 9 logs

Combined post-Plan-9 doc-update pass complete:

Plan 8 checklist (14 items): all ticked.
- CLAUDE.md, AGENTS.md root, adding-a-feature, tdd-workflow, testing-
  strategy, vertical-feature-spec, overview, dependency-flow, ADR-012,
  per-feature AGENTS ×5, core-testing AGENTS, auth AGENTS, media AGENTS,
  Plan 7 plan/spec annotation.

Plan 9 checklist (13 items, 1 already ticked): all ticked.
- CLAUDE.md, AGENTS.md root, adding-a-feature, tdd-workflow, testing-
  strategy (already ticked previously), vertical-feature-spec, overview,
  dependency-flow, ADR-012 cross-ref, ADR-013, per-feature AGENTS,
  core-testing AGENTS, core-shared AGENTS, Plan 8 plan/spec annotation.

Final validation:
- pnpm typecheck: 14/14 packages green
- pnpm lint: 15/15 packages green
- pnpm test: 360 tests across 15 suites, all passing
- pnpm turbo boundaries: 366 files checked, no issues

docs/superpowers/refactor-logs/2026-05-06-input-output-unification.md

@@ -222,20 +222,20 @@ After Plan 9 lands, the still-pending Plan 8 doc-update items resume
 and now also pick up Plan 9 rules. Each item below covers BOTH plans'
 material so we touch every file once.
 
-- [ ] `CLAUDE.md` — Key Conventions: append schema-in-use-case rule, presenter rule, controller `unknown` input rule, `./ui` subpath rule, schema-export-from-root rule
-- [ ] `AGENTS.md` (root) — Per-Package Conventions: document `./ui` subpath, schema reachability from feature root, factory-bound use cases / controllers (carry-over from Plan 8)
-- [ ] `docs/guides/adding-a-feature.md` — restructure to use the Plan-9 use-case template (with input + output schemas + parse), the Plan-9 controller template (with presenter), and the new `procedures.ts` step (per-feature error map)
-- [ ] `docs/guides/tdd-workflow.md` — update mock decision tree + worked example to factory injection (Plan 8) + R25 output-validation test pattern (Plan 9) + R26 router-error-mapping test pattern (Plan 9)
+- [x] `CLAUDE.md` — Key Conventions: append schema-in-use-case rule, presenter rule, controller `unknown` input rule, `./ui` subpath rule, schema-export-from-root rule
+- [x] `AGENTS.md` (root) — Per-Package Conventions: document `./ui` subpath, schema reachability from feature root, factory-bound use cases / controllers (carry-over from Plan 8)
+- [x] `docs/guides/adding-a-feature.md` — restructure to use the Plan-9 use-case template (with input + output schemas + parse), the Plan-9 controller template (with presenter), and the new `procedures.ts` step (per-feature error map)
+- [x] `docs/guides/tdd-workflow.md` — update mock decision tree + worked example to factory injection (Plan 8) + R25 output-validation test pattern (Plan 9) + R26 router-error-mapping test pattern (Plan 9)
 - [x] `docs/guides/testing-strategy.md` — Mocking section: direct factory injection (Plan 8); R25/R26/R27/R28 test obligations (Plan 9)
-- [ ] `docs/architecture/vertical-feature-spec.md` — §6 file shape: schemas + presenter + procedures.ts; §10 testing: R25/R26/R27/R28
-- [ ] `docs/architecture/overview.md` — data-flow box: add input schema, output schema, presenter, error-middleware lanes
-- [ ] `docs/architecture/dependency-flow.md` — verify (no expected change beyond a `./ui` mention)
-- [ ] `docs/decisions/adr-012-lazar-conformance.md` — append note that input/output unification + presenter + error middleware land in ADR-013
-- [ ] `docs/decisions/adr-013-input-output-unification.md` — created in this plan's final task (Task 9); link from prior ADRs
-- [ ] Per-feature `AGENTS.md` (auth/blog/media/marketing-pages/navigation) — Plan 8 file paths + Plan 9 schema/presenter/procedures patterns
-- [ ] `packages/core-testing/AGENTS.md` — note R25/R26 test patterns
-- [ ] `packages/core-shared/AGENTS.md` — document `defineErrorMiddleware` and the `t` re-export
-- [ ] Plan 8 plan/spec — add a one-line annotation that some controller/router patterns shifted in Plan 9; link to this changelog
+- [x] `docs/architecture/vertical-feature-spec.md` — §6 file shape: schemas + presenter + procedures.ts; §10 testing: R25/R26/R27/R28
+- [x] `docs/architecture/overview.md` — data-flow box: add input schema, output schema, presenter, error-middleware lanes
+- [x] `docs/architecture/dependency-flow.md` — verify (no expected change beyond a `./ui` mention)
+- [x] `docs/decisions/adr-012-lazar-conformance.md` — append note that input/output unification + presenter + error middleware land in ADR-013
+- [x] `docs/decisions/adr-013-input-output-unification.md` — created in this plan's final task (Task 9); link from prior ADRs
+- [x] Per-feature `AGENTS.md` (auth/blog/media/marketing-pages/navigation) — Plan 8 file paths + Plan 9 schema/presenter/procedures patterns
+- [x] `packages/core-testing/AGENTS.md` — note R25/R26 test patterns
+- [x] `packages/core-shared/AGENTS.md` — document `defineErrorMiddleware` and the `t` re-export
+- [x] Plan 8 plan/spec — add a one-line annotation that some controller/router patterns shifted in Plan 9; link to this changelog
 
 ---