- FirestoreQuestionThreadDataSource: sendImageMessage encrypts bytes with couple key, uploads to Storage, stores URL in Firestore; loadDecryptedMedia downloads + decrypts
- QuestionMessage: type field (text/image), mediaUrl, isImage helper
- QuestionDiscussionThread: image picker (gallery + camera), encrypted image rendering with produceState, messenger-style avatars on consecutive bubbles
- QuestionThreadViewModel: sendImage, loadDecryptedMedia, dailyRevealed skip for already-revealed daily questions, partner photo loading
- MainActivity: deepLinkRouteFromIntent resolves FCM data extras to navigation routes; pendingDeepLink state for onNewIntent
- AppNavigation: LaunchedEffect waits for HOME route before navigating deep link (fixes race with onboarding)
- PartnerHomeScreen: partner photoUrl loaded and displayed in identity card
- NotificationRateLimiter: 20 partner/day, 100/week (was 2/4 — too tight for game activity)
- MessageBubbleOverlay: drag-to-dismiss zone at bottom, no auto-timeout (persists until read)
- ActiveThreadMonitor: dismisses bubble when entering conversation
- onMessageWritten: includes author name + photo URL in notification payload
- firestore.rules: messages create allows type=image with mediaUrl or type=text with ciphertext
- storage.rules: chat_media path with 15MB cap
- file_paths.xml: cache-path for camera capture
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