- Convert SettingsScreen from ConsumerWidget to ConsumerStatefulWidget
- Add Benachrichtigungen section between Darstellung and Uber sections
- SwitchListTile with permission request on toggle ON (Android 13+)
- Toggle reverts to OFF on permission denial with SnackBar hint
- AnimatedSize progressive disclosure for time picker row when enabled
- _scheduleNotification() queries DailyPlanDao for task/overdue counts
- Skip notification scheduling when task count is 0
- Notification body includes overdue split when overdue > 0
- _onPickTime() shows Material 3 showTimePicker dialog then reschedules
- Wire router.go('/') in NotificationService._onTap for tap navigation
- Regenerate AppLocalizations with 7 new notification strings from Plan 01 ARB
- GoRouter with StatefulShellRoute.indexedStack and 3 branches (Home, Rooms, Settings)
- AppShell with NavigationBar using localized labels and thematic icons
- HomeScreen with empty state and cross-navigation to Rooms tab
- RoomsScreen with empty state and placeholder action button
- SettingsScreen with SegmentedButton theme switcher and About section
- Widget test verifying 3 navigation destinations with correct German labels
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
