- Add c3nav tile proxy API route with session handling
- Add c3nav data API proxy for locations/bounds
- Create IndoorMapView component with MapLibre GL
- Add floor level selector (Level 0-4)
- Tap-to-set-position on indoor map
- Sync indoor positions between participants
- Easter egg: Triple-click Level 0 for "The Underground of the Underground"
- Fix race condition in useRoom when no user data
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
