- New PremiumUnlockOverlay.kt — one-time 'Premium unlocked' celebration for both partners on couple-shared Premium activation. Driven off CouplePremiumChecker (not the push) so it surfaces for both wherever they are. Gated by persisted premiumUnlockCelebrated flag, auto-reset on lapse.
- New illustration_premium_unlock.png asset for the overlay.
- AppNavigation hosts the overlay at root alongside MessageBubbleOverlay.
- SettingsDataStore: new premiumUnlockCelebrated flag + setter.
- ThisOrThatScreen: theme-token fixes for A/B options, mood chips, versus badge, progress, ChoicePromptBackdrop — all read from MaterialTheme.colorScheme. Bumps dark-mode legibility.
- ConversationScreen: bump PendingMediaChip retry/dismiss IconButtons to 48dp touch targets.
- PlayHubScreen / ActivityScreen / HomeScreen / SubscriptionScreen / OnboardingScreen / PairPromptScreen / PaywallScreen / LocalQuestionContent / OutcomeCheckInDialog / ChatComponents: assorted R13 polish.
- firestore.rules (n/a this batch), SettingsRepository, manual: doc + flag wiring.
- Manual: new C-DARK-UI-001 + C-ART-EDGE-002 landmines, Premium-unlock-modal pattern note.