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/(auth)/login.tsx

@@ -489,7 +489,7 @@ export default function LoginScreen() {
                             />
                             <Text style={styles.title}>Sauci</Text>
                             <Text style={styles.subtitle}>
-                                Explore intimacy together
+                                Grow closer together
                             </Text>
                         </Animated.View>