- 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.
- New Cloud Function: onEntitlementChanged (Firestore onWrite on entitlements/premium) — edge-triggered inactive→active, notifies the OTHER partner so couple-shared unlock isn't silent
- New notification type SUBSCRIPTION_CHANGED → routes to SUBSCRIPTION
- AnswerRevealViewModel: re-issue markRevealed if best-effort failed (offline/transient) so partner_opened_answer push eventually fires
- firestore.rules: harden users/{uid} update allowlist (defense-in-depth; no live hole)
- 18 new brand glyph vector drawables (drawable-nodpi/)
- SettingsScreen / PlayHubScreen / WaitingForPartnerScreen: swap Material icons for new brand glyphs
- ClaudeQA docs + Future.md updated
- Add ThemeMode enum (DEVICE/LIGHT/DARK) with DataStore persistence
- SettingsScreen: appearance section with radio buttons for Device/Light/Dark
- SettingsViewModel: observe and persist theme mode
- MainActivity: read theme setting, apply dark theme, sync status bar icons
- Replace hardcoded Color.White references with MaterialTheme.colorScheme.surface across auth, onboarding, settings, and theme
- Convert AuthVisuals, SettingsVisuals, CloserPalette brushes to @Composable getters using dynamic scheme colors
- Add values-night/themes.xml for dark theme manifest entry
- Add ThemeModeTest unit test for fromStorageValue parsing
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