fix: permission screen - location tap opens settings when permanently denied, battery dialog re-checks on done

lib/bridge/location_bridge.dart

@@ -104,4 +104,16 @@ class LocationBridge {
       return false;
     }
   }
+
+  static Future<bool> isBatteryOptimizationDisabled() async {
+    try {
+      final result = await _methodChannel.invokeMethod<bool>(
+        'isBatteryOptimizationDisabled',
+      );
+      return result ?? false;
+    } on PlatformException catch (e) {
+      debugPrint('Failed to check battery optimization: ${e.message}');
+      return false;
+    }
+  }
 }