pluriwave/openspec/changes/alarm-clock-module/tasks.md

Tasks: alarm-clock-module

Phase 1: domain and tests

• Add alarm domain models: alarm, vacation range, skip/exception, execution status.
• Add recurrence calculator with tests for one-shot, weekdays, vacations, skip-next, snooze.
• Add alarm persistence service with tests.

Phase 2: Android scheduling bridge

• Add MethodChannel scheduler interface in Flutter.
• Add Kotlin scheduler using AlarmManager/setAlarmClock.
• Add BroadcastReceiver for alarm firing and pre-alarm actions.
• Add manifest permissions and receiver declarations.
• Add diagnostics method for exact alarm permission.

Phase 3: app state and UI

• Add EstadoAlarmas or integrate alarm slice without bloating EstadoRadio.
• Add alarms tab/entry point.
• Add alarm list, editor, vacation ranges UI, and diagnostics panel.
• Add ringing screen with stop/snooze 3/5/10.

Phase 4: audio fallback

• Add bundled internal alarm sounds under assets.
• Implement fallback sequence with timeouts.
• Add optional fallback station selection.
• Add volume/fade-in behavior.

Phase 5: verification

• Run dart format.
• Run flutter analyze --no-fatal-infos.
• Run targeted tests if local runner does not hang.
• Document Android limitations and permission flow.