- Add card import feature with fuzzy matching - Implement deck CRUD and management endpoints - Add user data APIs for groups, networks, preferences, activity, replays - Create comprehensive API documentation (API_DOCUMENTATION.md) - Add ENDPOINT_AUDIT.md for endpoint verification - Update documentation (README, ROADMAP, state.json) - Update architecture blueprint and Cockatrice analysis - All Phase 2 deliverables complete and documented
- Updated root README with current architecture (dual PostgreSQL, Redis, MTGJSON pipeline) - Created backend/README.md with detailed architecture, database setup, and troubleshooting - Updated state.json to reflect completed documentation phase