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/app/(app)/dares.tsx

@@ -54,7 +54,7 @@ export default function DaresScreen() {
 
                     {/* Description */}
                     <Text style={styles.description}>
-                        Push your boundaries together with tantalising challenges designed to ignite passion and create unforgettable moments.
+                        Try playful challenges together and create unforgettable moments.
                     </Text>
 
                     {/* Feature hints */}