✨ iOS check in widget

lib/services/widget_sync_service.dart

@@ -0,0 +1,24 @@
+import 'dart:io';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+
+class WidgetSyncService {
+  static const _channel = MethodChannel('dev.solsynth.solian/widget');
+  static final _instance = WidgetSyncService._internal();
+
+  factory WidgetSyncService() => _instance;
+
+  WidgetSyncService._internal();
+
+  bool get _isSupported => !kIsWeb && (Platform.isAndroid || Platform.isIOS);
+
+  Future<void> syncToWidget() async {
+    if (!_isSupported) return;
+
+    try {
+      await _channel.invokeMethod('syncToWidget');
+    } catch (e) {
+      debugPrint('Failed to sync to widget: $e');
+    }
+  }
+}