- Add MigrationOrchestrator with filesystem scanning and auto-registration
- Add FirstRunExperience with setup wizard state management
- CLI integration with automatic migration hook on first run
- Backward-compatible single-project mode support
- \"--project\" flag support for CLI multi-project targeting
- KB_SKIP_MIGRATION environment variable for recovery
- Graceful fallback when central database unavailable
- New fn init command to initialize kb projects
- Interactive first-run setup wizard API in dashboard