- Remove repo history rewrite warning (long enough since backlog purge)
- Add Shipped in v3.3.x section with 10 features
- Add Planned v4.0 Security & Governance section with 9 features
- Remove stale (NEW — v2.0) tags from feature highlights
- Reorder AI Agents features logically (core → comms → mgmt → workflow → infra)
- Add sprint management to Organization section
- Archive stale root-level one-off reports to docs/archive/
(REVIEW_108_109.md, TEST_FAILURES_REPORT.md, SQUAD_CHAT_IMPLEMENTATION.md, SECURITY-AUDIT.md)