- Integrate existing SQLite database module with full functionality
- Add persistent token usage tracking across application restarts
- Implement context dimension tracking and effective context updates
- Add automatic database cleanup on startup (7+ day old records)
- Implement multi-user authentication with role-based access control
- Add user management with isolated configurations (providers, rotations, autoselects)
- Enable user-specific API token management and usage tracking
- Update dashboard with role-based access (admin vs user dashboards)
- Add database-first authentication with config admin fallback
- Update README, TODO, and documentation with database features
- Cache model embeddings for semantic classification performance