- Add simple.html: mobile-first card-based UI without 3D scene
- Room cards show occupancy count, person names, and status color
- Activity feed displays chronological events from timeline
- Alert banner for fall detection, anomaly alerts, system warnings
- Quick actions: arm/disarm security, re-baseline, silence alerts
- Sleep summary card showing last night's sleep data
- Simple/expert mode toggle button in all views
- Mobile-responsive layout with touch-friendly interface
- Per-user default mode stored in localStorage
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
