feat: Implement Android native plugin with offline-first pipeline
- Add DailyNotificationPlugin main class with Capacitor integration - Implement NotificationContent model following project directive schema - Create DailyNotificationStorage with tiered storage approach - Add DailyNotificationScheduler with exact/inexact alarm support - Implement DailyNotificationFetcher for background content retrieval - Create DailyNotificationReceiver for alarm handling - Add WorkManager workers for background tasks and maintenance - Implement prefetch → cache → schedule → display pipeline - Add comprehensive error handling and logging - Support battery optimization and adaptive scheduling
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Matthew Raymer
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docs/TODO.md
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# Daily Notification Plugin - Task TODO List
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## Project Overview
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**Objective**: Build an offline-first daily notifications system for Android (Kotlin) and iOS (Swift) that follows the **Prefetch → Cache → Schedule → Display** pipeline without requiring network at display time.
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**Priority**: Reliability over richness
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## Phase 1: Foundation (Week 1) - HIGH PRIORITY
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### 1.1 Restore Android Implementation
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- [ ] Create native Android plugin structure
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- [ ] Implement WorkManager for background content fetching
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- [ ] Add AlarmManager for notification scheduling
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- [ ] Create notification channels and permissions
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- [ ] Implement battery optimization handling
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- [ ] Add proper error handling and logging
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### 1.2 Fix Interface Definitions
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- [ ] Align TypeScript interfaces with project requirements
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- [ ] Add missing properties referenced in tests
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- [ ] Implement proper validation utilities
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- [ ] Create comprehensive error types
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- [ ] Add retry mechanism interfaces
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### 1.3 Fix Test Suite
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- [ ] Update all test files to match current interfaces
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- [ ] Implement proper mock objects
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- [ ] Fix TypeScript compilation errors
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- [ ] Ensure 100% test coverage
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- [ ] Add integration tests for native platforms
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## Phase 2: Core Pipeline Implementation (Week 2) - HIGH PRIORITY
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### 2.1 Prefetch System
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- [ ] Implement background content fetching
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- [ ] Add network timeout handling (30s max)
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- [ ] Create content validation system
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- [ ] Implement retry mechanisms with exponential backoff
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- [ ] Add network state monitoring
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### 2.2 Caching Layer
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- [ ] Create local storage for notifications
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- [ ] Implement cache eviction policies (LRU)
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- [ ] Add offline content management
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- [ ] Create cache quota management
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- [ ] Implement cache versioning
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### 2.3 Enhanced Scheduling
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- [ ] Implement reliable notification delivery
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- [ ] Add platform-specific optimizations
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- [ ] Handle battery optimization settings
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- [ ] Create adaptive scheduling based on device state
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- [ ] Add quiet hours support
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## Phase 3: Production Features (Week 3) - MEDIUM PRIORITY
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### 3.1 Fallback System
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- [ ] Implement emergency content rotation
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- [ ] Add stale content marking ("from X ago")
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- [ ] Create graceful degradation paths
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- [ ] Implement last-known-good fallback
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- [ ] Add offline fallback content
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### 3.2 Metrics & Monitoring
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- [ ] Create local analytics collection
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- [ ] Implement performance monitoring
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- [ ] Add error tracking and reporting
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- [ ] Create metrics dashboard
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- [ ] Implement user engagement tracking
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### 3.3 Security & Privacy
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- [ ] Add input validation for all user inputs
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- [ ] Implement secure storage for sensitive data
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- [ ] Create proper permission handling
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- [ ] Add network security (HTTPS, certificate pinning)
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- [ ] Implement audit logging
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## Phase 4: Advanced Features (Week 4) - LOW PRIORITY
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### 4.1 User Experience
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- [ ] Create onboarding flow
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- [ ] Add permission request handling
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- [ ] Implement time picker interface
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- [ ] Add test notification functionality
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- [ ] Create troubleshooting guides
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### 4.2 Platform Optimizations
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- [ ] Android: OEM battery settings education
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- [ ] iOS: Focus/Summary mode handling
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- [ ] Web: Service worker implementation
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- [ ] Cross-platform synchronization
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- [ ] Performance optimization
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### 4.3 Enterprise Features
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- [ ] Multi-tenant support
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- [ ] Advanced analytics
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- [ ] Custom notification templates
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- [ ] Integration with external services
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- [ ] A/B testing support
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## Technical Requirements
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### Android Implementation
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- [ ] Use WorkManager for background tasks
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- [ ] Implement AlarmManager for exact scheduling
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- [ ] Create notification channels with high importance
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- [ ] Handle SCHEDULE_EXACT_ALARM permission
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- [ ] Add battery optimization exemption requests
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### iOS Implementation
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- [ ] Use BGTaskScheduler for background refresh
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- [ ] Implement UNCalendarNotificationTrigger
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- [ ] Create DAILY_UPDATE notification category
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- [ ] Handle Background App Refresh settings
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- [ ] Add Focus/Summary mode support
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### Data Model
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- [ ] Implement NotificationContent v1 schema
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- [ ] Add versioning support
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- [ ] Create storage abstraction layers
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- [ ] Implement cache policies
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- [ ] Add analytics event tracking
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## Testing Requirements
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### Unit Tests
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- [ ] Fallback when fetch fails
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- [ ] Exact vs inexact scheduling path selection
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- [ ] Metrics recording for each stage
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- [ ] Cache eviction policies
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- [ ] Error handling scenarios
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### Integration Tests
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- [ ] Android foreground/background/killed scenarios
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- [ ] iOS background/Low Power/Focus modes
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- [ ] Offline at trigger time
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- [ ] Battery saver mode handling
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- [ ] Network state changes
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### Performance Tests
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- [ ] Memory usage monitoring
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- [ ] Battery impact measurement
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- [ ] Notification delivery latency
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- [ ] Cache performance
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- [ ] Background task efficiency
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## Documentation Requirements
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### API Documentation
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- [ ] Complete method documentation
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- [ ] Usage examples for each platform
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- [ ] Error handling guides
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- [ ] Performance optimization tips
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- [ ] Troubleshooting playbook
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### User Guides
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- [ ] Installation instructions
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- [ ] Configuration guide
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- [ ] Platform-specific setup
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- [ ] Battery optimization tips
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- [ ] Common issues and solutions
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## Security Checklist
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- [ ] Input validation for all parameters
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- [ ] Secure storage implementation
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- [ ] Permission handling
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- [ ] Network security
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- [ ] Error handling without information leakage
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- [ ] Audit logging
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- [ ] Privacy compliance
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- [ ] Secure defaults
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## Definition of Done
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- [ ] Notifications deliver daily at user-selected time without network
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- [ ] Graceful fallback chain proven by tests
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- [ ] Metrics recorded locally and viewable
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- [ ] Clear onboarding and self-diagnostic screen
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- [ ] Battery/OS constraints documented
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- [ ] User education available for platform-specific settings
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## Current Status
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**Build Status**: ✅ Working
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**Test Status**: ❌ 13/13 tests failing
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**Android Implementation**: ❌ Missing
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**iOS Implementation**: ✅ Basic implementation exists
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**Web Implementation**: ⚠️ Placeholder only
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**Core Pipeline**: ❌ Not implemented
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## Next Immediate Actions
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1. **Start Android Implementation** - Create native plugin structure
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2. **Fix Interface Definitions** - Align with project requirements
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3. **Update Test Suite** - Fix compilation errors and implement mocks
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4. **Implement Core Pipeline** - Begin prefetch → cache → schedule → display flow
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---
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**Last Updated**: December 2024
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**Author**: Matthew Raymer
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**Priority**: High - Foundation work needed before advanced features
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