device management features, settings module and contact sync

Device management:
  - Activity meter with steps charts and history
  - Apps usage with daily breakdown and top apps
  - Health monitoring (heart rate, oxygen, blood pressure)
  - Scheduled activities with timeline and CRUD
  - Contacts sync to device via contact-lists
  - Locate device, rewards refactor

  Settings (new module):
  - Block phone
  - SOS contacts
  - WiFi networks
  - Alarm refactor with full CRUD
  - Settings menu with feature stubs

  Account:
  - Personal data and account settings refactor

  Shared:
  - 100+ i18n keys in 6 languages
  - New routes in app_router
  - WeekDayChips, TimeRangeSelector shared widgets
  - Legacy dashboard shell simplified

apps/mobile_app/android/app/src/main/AndroidManifest.xml

@@ -4,6 +4,7 @@
     <uses-permission android:name="android.permission.CAMERA" /> 
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+    <uses-permission android:name="android.permission.READ_CONTACTS" />
         
     <application
         android:label="@string/app_name"

apps/mobile_app/android/gradle.properties

@@ -1,3 +1,6 @@
 org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=true
+
+# permission_handler: enable contacts permission
+PERMISSION_CONTACTS=1