- Replace placeholder RoomsScreen with ConsumerWidget watching roomWithStatsProvider
- Create RoomCard with icon, name, due count badge, cleanliness progress bar
- 2-column ReorderableBuilder grid with drag-and-drop reorder
- Empty state, loading, error states with retry
- Long-press menu for edit/delete with confirmation dialog
- FAB for room creation navigation
- Update app_shell_test with provider override for rooms stream
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
