fix(meeting): 修复会议任务类型更新逻辑并添加加载状态

在编辑会议任务类型时添加加载状态指示，并修复任务类型更新逻辑以根据服务类型区分更新不同的任务服务。同时优化了会议详情的刷新机制。

lib/modules/meeting/controllers/meeting_details_controller.dart

@@ -328,8 +328,20 @@ class MeetingDetailsController extends GetxController
       text += '${element['content']}\n';
     }
     _everType = 3;
+    EasyLoading.show();
     await SqfliteApi.editMeeting(id, {'tasktype': 2});
-    _meetingTaskService.tasktype.value = 2;
+    meetingDetails.value.tasktype = 2;
+    meetingDetails.refresh();
+    final storage = GetStorage();
+    final String svc =
+        (storage.read("meeting_service_type_$id") ?? '').toString();
+    final bool isFast = svc == 'fast';
+    if (isFast) {
+      _meetingTaskService2.tasktype.value = 2;
+    } else {
+      _meetingTaskService.tasktype.value = 2;
+    }
     _summaryTaskService.addTaskList(id, text, prompt, outline);
+    EasyLoading.dismiss();
   }
 }