Render startup immediately and defer native work with a smooth home transition

mobile/lib/app/app_controller.dart

@@ -57,7 +57,7 @@ class AppController extends ChangeNotifier {
     lastError = null;
   }
 
-  Future<void> initialize() => _run(() async {
+  Future<void> initialize({bool reconcileServices = true}) => _run(() async {
     try {
       snapshot = await store.load() ?? AppSnapshot();
       storageReady = true;
@@ -65,7 +65,7 @@ class AppController extends ChangeNotifier {
       storageReady = false;
       throw const FormatException('保存文件读取失败，可恢复最近备份');
     }
-    await _reconcile();
+    if (reconcileServices) await _reconcile();
   });
   Future<void> restoreBackup() => _run(() async {
     snapshot = await store.restoreBackup();