Remediate all P0-S priority findings from cross-platform architecture audit:
- Harden token storage with EncryptedSharedPreferences (Android) and Keychain (iOS)
- Add SSL pinning and certificate validation to API clients
- Fix subscription cache race conditions and add thread-safe access
- Add input validation for document uploads and file type restrictions
- Refactor DocumentApi to use proper multipart upload flow
- Add rate limiting awareness and retry logic to API layer
- Harden subscription tier enforcement in SubscriptionHelper
- Add biometric prompt for sensitive actions (Login, Onboarding)
- Fix notification permission handling and device registration
- Add UI test infrastructure (page objects, fixtures, smoke tests)
- Add CI workflow for mobile builds
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Integrated Firebase Cloud Messaging (FCM) for Android
- Integrated Apple Push Notification Service (APNs) for iOS
- Created shared notification models and API client
- Added device registration and token management
- Added notification permission handling for Android
- Created PushNotificationManager for iOS with AppDelegate
- Added placeholder google-services.json (needs to be replaced with actual config)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add PhotoViewerDialog (Android) and PhotoViewerSheet (iOS) for viewing completion photos
- Add CompletionCardView (iOS) to display completion details with photo button
- Update AllTasksView (iOS) to show full completion details instead of just count
- Update TaskCard (Android) to use CompletionCard component
- Add Coil 3.0.4 image loading library for Android
- Configure ImageLoader in MainActivity with network, memory, and disk caching
- Add getMediaBaseUrl() to ApiClient for loading media files without /api path
- Fix photo viewer background color to match app theme
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
