feat: 增强员工管理与报销单全流程功能

- 新增员工Excel导入服务(employee_spreadsheet)及导入/导出API端点
- 员工服务增加批量创建、邮箱唯一校验、组织架构关联等能力
- 报销单提交补充身份回填、部门信息透传及预审结果展示优化
- 认证流程增加部门信息(departmentName)并在schema中同步扩展
- 用户Agent服务增加部门关联与报销单回填逻辑
- 前端员工管理页面全面重构，新增导入导出、搜索过滤、分页等功能
- 前端审批中心、审计、差旅报销等视图交互与样式优化
- 新增TableLoadingState共享组件及员工导入测试用例

web/src/views/scripts/PoliciesView.js

@@ -1,6 +1,7 @@
-import { computed, nextTick, onBeforeUnmount, onMounted, ref, watch } from 'vue'
-
-import ConfirmDialog from '../../components/shared/ConfirmDialog.vue'
+import { computed, nextTick, onBeforeUnmount, onMounted, ref, watch } from 'vue'
+
+import ConfirmDialog from '../../components/shared/ConfirmDialog.vue'
+import TableLoadingState from '../../components/shared/TableLoadingState.vue'
 import { useSystemState } from '../../composables/useSystemState.js'
 import { useToast } from '../../composables/useToast.js'
 import {
@@ -79,10 +80,11 @@ function setBodyScrollLocked(isLocked) {
 }
 
 export default {
-  name: 'PoliciesView',
-  components: {
-    ConfirmDialog
-  },
+  name: 'PoliciesView',
+  components: {
+    ConfirmDialog,
+    TableLoadingState
+  },
   emits: ['summary-change'],
   setup(_, { emit }) {
     const { currentUser } = useSystemState()