Add notification permission flow in settings

docs/SETUP.md

@@ -68,6 +68,8 @@ Behavior notes:
 - web: no-op fallback
 - linux: schedule fallback (no-op) due platform scheduling limitations in plugin
 - android/iOS/macOS/windows: scheduled local notifications
+- settings screen includes `Request Notification Access` action for runtime
+  permission prompts
 
 ## Local Persistence Backend
 

docs/progress.md

@@ -2,6 +2,29 @@
 
 Updated: 2026-02-15
 
+## Latest Milestone (2026-02-15): Notification Permission UX
+
+Added runtime notification permission flow through the product UI:
+
+- Extended reminder scheduler interface:
+  - `lib/features/reminders/scheduling/reminder_scheduler.dart`
+  - new `requestPermissions()` API
+- Implemented permission handling in local notifications scheduler:
+  - `lib/features/reminders/scheduling/reminder_scheduler_local_notifications.dart`
+  - Android: `requestNotificationsPermission()`
+  - iOS/macOS: `requestPermissions(alert/badge/sound)`
+- Added settings action:
+  - `lib/features/settings/settings_view.dart`
+  - `Request Notification Access` button with result feedback snackbar
+- Added test coverage:
+  - `test/features/reminders/scheduling/reminder_scheduler_local_notifications_test.dart`
+  - verifies permission delegation behavior
+
+Validation for this milestone:
+
+- `flutter analyze` -> pass
+- `flutter test` -> pass
+
 ## Latest Milestone (2026-02-15): Local Notifications Reminder Runtime
 
 Implemented reminder delivery with local notifications runtime integration:
@@ -200,7 +223,8 @@ Validation for this milestone:
 
 1. Reminder delivery runtime integration:
    - implemented for Android/iOS/macOS/windows with web/linux safe fallback.
-   - future enhancement: permission UX and direct notification tap routing.
+   - permission UX implemented in settings.
+   - future enhancement: direct notification tap routing.
 2. Conflict resolution UX:
    - reject/requeue + payload inspect are implemented; future enhancement is
      direct deep-link navigation to entity edit screens from Sync view.