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+# Phase 4: Notifications - Context
+
+**Gathered:** 2026-03-16
+**Status:** Ready for planning
+
+<domain>
+## Phase Boundary
+
+Users receive a daily summary notification reminding them of today's task count, and can control notification behavior from settings. Delivers: daily summary notification with configurable time, enable/disable toggle in Settings, Android POST_NOTIFICATIONS permission handling (API 33+), RECEIVE_BOOT_COMPLETED rescheduling, and graceful degradation when permission is denied.
+
+Requirements: NOTF-01, NOTF-02
+
+</domain>
+
+<decisions>
+## Implementation Decisions
+
+### Notification timing
+- **User-configurable time** via time picker in Settings, stored in SharedPreferences
+- **Default time: 07:00** — early morning, user sees notification when they wake up
+- **Notifications disabled by default** on fresh install — user explicitly opts in from Settings
+- **Skip notification on zero-task days** — no notification fires when there are no tasks due (overdue + today). Only notifies when there's something to do
+
+### Notification content
+- **Body shows task count with conditional overdue split**: when overdue tasks exist, body reads e.g. "5 Aufgaben fällig (2 überfällig)". When no overdue, just "5 Aufgaben fällig"
+- **Overdue count only shown when > 0** — cleaner on days with no overdue tasks
+- **Tapping the notification opens the daily plan (Home tab)** — direct path to action
+- All notification text from ARB localization files
+
+### Permission flow
+- **Permission requested when user toggles notifications ON** in Settings (Android 13+ / API 33+). Natural flow: user explicitly wants notifications, so the request is contextual
+- **On permission denial**: Claude's discretion on UX (inline hint vs dialog), but toggle reverts to OFF
+- **On re-enable after prior denial**: app detects permanently denied state and guides user to system notification settings (not just re-requesting)
+- **Android 12 and below**: same opt-in flow — user must enable in Settings even though no runtime permission is needed. Consistent UX across all API levels
+- **RECEIVE_BOOT_COMPLETED**: notifications reschedule after device reboot if enabled
+
+### Settings UI layout
+- **New "Benachrichtigungen" section** between Darstellung and Über — follows the existing grouped section pattern
+- **Toggle + time picker**: SwitchListTile for enable/disable. When enabled, time picker row appears below (progressive disclosure). When disabled, time picker row is hidden
+- **Material 3 time picker dialog** (`showTimePicker()`) for selecting notification time — consistent with the app's M3 design language
+- **Section header** styled identically to existing "Darstellung" and "Über" headers (primary-colored titleMedium)
+
+### Claude's Discretion
+- Notification title (app name vs contextual like "Dein Tagesplan")
+- Permission denial UX (inline hint vs dialog — pick best approach)
+- SwitchListTile + time picker row layout details (progressive disclosure animation, spacing)
+- Notification channel configuration (importance, sound, vibration)
+- Exact notification icon
+- Boot receiver implementation approach
+
+</decisions>
+
+<specifics>
+## Specific Ideas
+
+- Notification should respect the calm aesthetic — informative, not alarming. Even with overdue count, the tone should be helpful not stressful
+- The Settings section should feel like a natural extension of the existing screen — same section header style, same spacing, same widget patterns
+- Skip-on-zero-tasks means the notification is genuinely useful every time it appears — no noise on free days
+- Permission flow should feel seamless: toggle ON → permission dialog → if granted, schedule immediately. User shouldn't need to toggle twice
+
+</specifics>
+
+<code_context>
+## Existing Code Insights
+
+### Reusable Assets
+- `DailyPlanDao` (`lib/features/home/data/daily_plan_dao.dart`): Has `watchAllTasksWithRoomName()` stream query — notification service needs a similar one-shot query for task count (overdue + today)
+- `ThemeProvider` (`lib/core/theme/theme_provider.dart`): AsyncNotifier with SharedPreferences persistence — template for notification settings provider (enabled boolean + TimeOfDay)
+- `SettingsScreen` (`lib/features/settings/presentation/settings_screen.dart`): ListView with grouped sections and Dividers — notification section slots in between Darstellung and Über
+- `app_de.arb` (`lib/l10n/app_de.arb`): 92 existing localization keys — needs notification-related strings (toggle label, time label, permission hint, notification body templates)
+
+### Established Patterns
+- **Riverpod 3 code generation**: `@riverpod` annotation + `.g.dart` files. Functional providers for reads, class-based AsyncNotifier for mutations
+- **SharedPreferences for user settings**: ThemeProvider uses `SharedPreferences` with `ref.onDispose` — same pattern for notification preferences
+- **Manual StreamProvider**: Used for drift queries that hit riverpod_generator type issues — may apply to notification-related queries
+- **ARB localization**: All UI strings from `AppLocalizations.of(context)` — notification strings follow same pattern
+- **Material 3 theming**: All colors via `Theme.of(context).colorScheme`
+
+### Integration Points
+- Settings screen: new section added to existing `SettingsScreen` widget between Darstellung and Über sections
+- Notification service queries same task data as `DailyPlanDao` (tasks table with nextDueDate)
+- AndroidManifest.xml: needs POST_NOTIFICATIONS permission, RECEIVE_BOOT_COMPLETED permission, and boot receiver declaration
+- pubspec.yaml: needs `flutter_local_notifications` (or similar) package added
+
+</code_context>
+
+<deferred>
+## Deferred Ideas
+
+None — discussion stayed within phase scope
+
+</deferred>
+
+---
+
+*Phase: 04-notifications*
+*Context gathered: 2026-03-16*