feat(mobile): align store-safe experience

Remove client-side adult-content preferences and badges so the centrally reviewed catalogue is the single visibility boundary.\n\nUse neutral relationship-focused copy across onboarding, discovery, paywall, and login surfaces, and retain biometric controls under App Lock for both native platforms.

apps/mobile/src/components/BoutiquePackCard.tsx

@@ -92,18 +92,6 @@ export function BoutiquePackCard({
 
       {/* Content */}
       <View style={styles.content}>
-        {/* Explicit Badge (top-left) */}
-        {pack.is_explicit && (
-          <View style={styles.explicitBadge}>
-            <Ionicons
-              name="flame"
-              size={10}
-              color={colors.text}
-            />
-            <Text style={styles.explicitBadgeText}>18+</Text>
-          </View>
-        )}
-
         {/* PRO Badge (top-right) */}
         {pack.is_premium && (
           <View style={[
@@ -242,24 +230,6 @@ const styles = StyleSheet.create({
     padding: spacing.md,
     justifyContent: 'space-between',
   },
-  explicitBadge: {
-    position: 'absolute',
-    top: spacing.sm,
-    left: spacing.sm,
-    flexDirection: 'row',
-    alignItems: 'center',
-    backgroundColor: colors.error,
-    paddingHorizontal: spacing.sm,
-    paddingVertical: 3,
-    borderRadius: radius.xs,
-    gap: 3,
-    zIndex: 10,
-  },
-  explicitBadgeText: {
-    ...typography.caption2,
-    color: colors.text,
-    fontWeight: '700',
-  },
   proBadge: {
     position: 'absolute',
     top: spacing.sm,