解决开启关闭后UI界面状态不同步问题

(cherry picked from commit 23a4a5ce2e46ffbd3b8188333dfa7f4559984e4c)

lib/app/modules/kr_home/views/kr_home_connection_info_view.dart

@@ -7,6 +7,7 @@ import 'package:kaer_with_panels/app/widgets/kr_country_flag.dart';
 import 'package:kaer_with_panels/app/widgets/kr_app_text_style.dart';
 import 'package:kaer_with_panels/app/localization/app_translations.dart';
 import 'package:kaer_with_panels/app/services/singbox_imp/kr_sing_box_imp.dart';
+import 'package:kaer_with_panels/singbox/model/singbox_status.dart';
 import '../controllers/kr_home_controller.dart';
 import '../models/kr_home_views_status.dart';
 
@@ -209,13 +210,31 @@ class KRHomeConnectionInfoView extends GetView<KRHomeController> {
                       ),
                     ],
                   ),
-                  CupertinoSwitch(
-                    value: controller.kr_isConnected.value,
-                    onChanged: (bool value) {
-                      controller.kr_toggleSwitch(value);
-                    },
-                    activeColor: Colors.blue,
-                  ),
+                  // 🔧 修复: 使用多层监听确保状态更新
+                  Obx(() {
+                    // 🔧 关键: 强制读取两个 observable 确保追踪
+                    final _ = KRSingBoxImp.instance.kr_status.value;  // 强制追踪
+                    final isConnected = controller.kr_isConnected.value;  // 使用 controller 的状态
+
+                    // 再次读取状态用于判断
+                    final status = KRSingBoxImp.instance.kr_status.value;
+                    final isSwitching = status is SingboxStarting || status is SingboxStopping;
+
+                    // 🔧 调试日志
+                    print('🔵 Switch UI 更新: status=${status.runtimeType}, isConnected=$isConnected, isSwitching=$isSwitching');
+
+                    return CupertinoSwitch(
+                      value: isConnected,
+                      // 🔧 关键: 切换中时 onChanged 为 null，Switch 自动禁用
+                      onChanged: isSwitching
+                        ? null
+                        : (bool value) {
+                            print('🔵 Switch onChanged 触发: 请求=$value, 当前状态=$status');
+                            controller.kr_toggleSwitch(value);
+                          },
+                      activeColor: Colors.blue,
+                    );
+                  }),
                 ],
               ),
             ],