refactor(frontend): 优化代码和依赖配置

移除重复的错误提示逻辑，清理tsconfig中冗余的类型声明
调整表单组件样式，为树组件添加空状态显示
更新vite配置和package.json依赖版本

frontend/src/utils/request.ts

@@ -88,7 +88,6 @@ httpRequest.interceptors.response.use(
         return Promise.reject(new Error(msg || "Refresh Token Invalid"));
 
       default:
-        ElMessage.error(msg || "响应错误");
         return Promise.reject(new Error(msg || "响应错误"));
     }
   }

frontend/src/views/monitor/job/index.vue

@@ -167,7 +167,7 @@
             </template>
             <!-- 新增、编辑表单 -->
             <template v-else>
-                <el-form ref="dataFormRef" :model="formData" :rules="rules" label-suffix=":" label-width="100px" >
+                <el-form ref="dataFormRef" :model="formData" :rules="rules" label-suffix=":" label-width="100px">
                     <el-form-item label="任务名称" prop="name">
                         <el-input v-model="formData.name" placeholder="请输入任务名称" :maxlength="50" />
                     </el-form-item>

frontend/src/views/system/user/components/DeptTree.vue

@@ -11,7 +11,11 @@
 
     <el-tree ref="deptTreeRef" class="mt-2" :data="deptOptions"
       :props="{ children: 'children', label: 'label', disabled: '' }" :expand-on-click-node="false"
-      :filter-node-method="handleFilter" default-expand-all @node-click="handleNodeClick" />
+      :filter-node-method="handleFilter" default-expand-all @node-click="handleNodeClick" >
+      <template #empty>
+        <el-empty :image-size="80" description="暂无数据" />
+      </template>
+    </el-tree>
   </el-card>
 </template>