14-task plan covering: foundation hook router (Task 1), 5 auditor agents (Tasks 2-5, 13), 5 workflow skills (Tasks 6-10), 2 maintenance skills (Tasks 11-12), end-to-end acceptance check (Task 14). Tasks 2-5, 6-8, 9-10, 11-12 fan out in parallel. Task 13 (sp-critical-reviewer) composes the four domain auditors and is built last. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>