Add missing VIBRATE permission for haptic cues

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: brvale97

app/src/main/AndroidManifest.xml

@@ -6,6 +6,7 @@
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
+    <uses-permission android:name="android.permission.VIBRATE" />
 
     <application
         android:allowBackup="false"