Request notification permission for geofence alerts

lib/features/settings/models/notification_permission_status.dart

@@ -1,12 +1,14 @@
 enum NotificationPermissionStatus {
   enabled,
-  disabled,
+  requestable,
+  settingsRequired,
   unsupported;
 
   static NotificationPermissionStatus fromPlatformValue(String? value) {
     return switch (value) {
       'enabled' => NotificationPermissionStatus.enabled,
-      'disabled' => NotificationPermissionStatus.disabled,
+      'requestable' => NotificationPermissionStatus.requestable,
+      'settings_required' => NotificationPermissionStatus.settingsRequired,
       _ => NotificationPermissionStatus.unsupported,
     };
   }

lib/features/settings/providers/settings_providers.dart

@@ -93,6 +93,8 @@ final geofenceSystemStatusProvider = FutureProvider<GeofenceSystemState>((
 abstract class NotificationPermissionStatusService {
   Future<NotificationPermissionStatus> inspect();
 
+  Future<void> requestPermission();
+
   Future<void> openSettings();
 }
 
@@ -112,6 +114,15 @@ class DeviceNotificationPermissionStatusService
     }
   }
 
+  @override
+  Future<void> requestPermission() async {
+    try {
+      await _channel.invokeMethod<void>('requestNotificationPermission');
+    } on MissingPluginException {
+      return;
+    }
+  }
+
   @override
   Future<void> openSettings() async {
     try {