Closes#334
- Add workflows/review-merge-pr.md with reviewer-only gates and steps
- Add schemas/review-merge-final-report.md with mutation ledger fields
- Turn SKILL.md into task-mode router; replace inlined §F/§G with links
- Point review/merge templates at extracted workflow
- Add doc-contract tests for split structure
Part of #333.
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>