feat(ui):主题变化回调

@@ -29,7 +29,7 @@ class FriendsController extends GetxController {
         _selfHealthRepository = selfHealthRepository ??
             SelfHealthRepositoryImpl(Get.find<HealthApi>()),
         _updateWatchOtherUserInfo = updateWatchOtherUserInfo ??
-            ((info) => WearEngineHostApi().sendWatchSyncPayload(''));
+            ((info) => PlatformHostApi().refreshWatchAppAndWidgets());
 
   static const maxFriends = 10;
 

@@ -135,11 +135,7 @@ class CustomWatchThemePreviewController extends GetxController {
     if (selectedFriend == null) return;
 
     await loadFriendTheme();
-    try {
-      await WearEngineHostApi().sendWatchSyncPayload('');
-    } catch (_) {
-      // The selected friend is saved on the server; native refresh can retry.
-    }
+    PlatformHostApi().refreshWatchAppAndWidgets();
   }
 
   Future<void> addWatchFace() async {

@@ -105,11 +105,8 @@ class WatchThemePreviewController extends GetxController {
     if (selectedFriend == null) return;
 
     await loadFriendTheme();
-    try {
-      await WearEngineHostApi().sendWatchSyncPayload('');
-    } catch (_) {
-      // The selected friend is saved on the server; native refresh can retry.
-    }
+    // 同时刷新好友、好友数据和好友主题
+    PlatformHostApi().refreshWatchAppAndWidgets();
   }
 
   Future<void> addWatchFace() async {