- Restructure document with clear status tables
- Mark all implemented features with ✅
- Mark deferred features with ⏳
- Add complete data model with all entities
- Add system architecture diagram
- Add comprehensive API endpoints list
- Document plan limits (Free/Pro/Business)
- List all UI pages with routes
- Add security checklist (implemented vs deferred)
- Update remaining work section with priorities
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
