Update mobile app UI with premium design system

- Add design guidelines to CLAUDE.md
- Redesign navigation with boutique styling
- Add video support to chat with compression
- Update matches/dares/quiz screens with gold/rose accents
- Improve packs browsing with category tabs
- Add SwipeCardPremium component
- Update theme with premium color palette
- Add video cleanup edge function and migration

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/mobile/app/(app)/packs/_layout.tsx

@@ -0,0 +1,15 @@
+import { Stack } from "expo-router";
+import { colors } from "../../../src/theme";
+
+export default function PacksLayout() {
+    return (
+        <Stack
+            screenOptions={{
+                headerShown: false,
+                contentStyle: { backgroundColor: colors.background },
+                animation: "fade",
+                animationDuration: 150,
+            }}
+        />
+    );
+}