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/TravelRequestDetailView.js

@@ -1,5 +1,6 @@
 import { computed, onBeforeUnmount, reactive, ref, watch } from 'vue'
 
+import { useSystemState } from '../../composables/useSystemState.js'
 import { useToast } from '../../composables/useToast.js'
 import ConfirmDialog from '../../components/shared/ConfirmDialog.vue'
 import {
@@ -9,10 +10,12 @@ import {
   deleteExpenseClaim,
   fetchExpenseClaimItemAttachmentMeta,
   fetchExpenseClaimItemAttachmentPreview,
+  returnExpenseClaim,
   submitExpenseClaim,
   uploadExpenseClaimItemAttachment,
   updateExpenseClaimItem
 } from '../../services/reimbursements.js'
+import { canManageExpenseClaims } from '../../utils/accessControl.js'
 import { normalizeRequestForUi } from '../../utils/requestViewModel.js'
 
 const EXPENSE_TYPE_OPTIONS = [
@@ -380,6 +383,7 @@ export default {
   emits: ['backToRequests', 'openAssistant', 'request-updated', 'request-deleted'],
   setup(props, { emit }) {
     const { toast } = useToast()
+    const { currentUser } = useSystemState()
     const editingExpenseId = ref('')
     const savingExpenseId = ref('')
     const creatingExpense = ref(false)
@@ -390,6 +394,8 @@ export default {
     const submitBusy = ref(false)
     const deleteBusy = ref(false)
     const deleteDialogOpen = ref(false)
+    const returnBusy = ref(false)
+    const returnDialogOpen = ref(false)
     const expenseUploadInput = ref(null)
     const expenseAttachmentMeta = reactive({})
     const attachmentPreviewOpen = ref(false)
@@ -448,10 +454,25 @@ export default {
 
     const isTravelRequest = computed(() => request.value.detailVariant === 'travel')
     const isDraftRequest = computed(() => request.value.approvalKey === 'draft')
+    const canManageCurrentClaim = computed(() => canManageExpenseClaims(currentUser.value))
+    const canDeleteRequest = computed(() => isDraftRequest.value || canManageCurrentClaim.value)
+    const canReturnRequest = computed(() =>
+      canManageCurrentClaim.value
+      && request.value.approvalKey === 'in_progress'
+      && Boolean(request.value.claimId)
+    )
+    const deleteActionLabel = computed(() => (isDraftRequest.value ? '删除草稿' : '删除单据'))
+    const deleteDialogTitle = computed(() => `确认${deleteActionLabel.value} ${request.value.id} 吗？`)
+    const deleteDialogDescription = computed(() =>
+      isDraftRequest.value
+        ? '删除后该草稿及其当前费用明细将不可恢复，请确认本次操作。'
+        : '删除后该报销单及费用明细将不可恢复，请确认本次操作。'
+    )
     const actionBusy = computed(() =>
       Boolean(savingExpenseId.value)
       || submitBusy.value
       || deleteBusy.value
+      || returnBusy.value
       || creatingExpense.value
       || Boolean(uploadingExpenseId.value)
       || Boolean(deletingAttachmentId.value)
@@ -1105,9 +1126,14 @@ export default {
       }
     }
 
-    async function handleDeleteDraft() {
+    async function handleDeleteRequest() {
       if (!request.value.claimId) {
-        toast('当前草稿缺少 claimId，暂时无法删除。')
+        toast('当前单据缺少 claimId，暂时无法删除。')
+        return
+      }
+
+      if (!canDeleteRequest.value) {
+        toast('当前单据已进入流程，只有财务人员或高级管理人员可以删除。')
         return
       }
 
@@ -1122,9 +1148,9 @@ export default {
       deleteDialogOpen.value = false
     }
 
-    async function confirmDeleteDraft() {
+    async function confirmDeleteRequest() {
       if (!request.value.claimId) {
-        toast('当前草稿缺少 claimId，暂时无法删除。')
+        toast('当前单据缺少 claimId，暂时无法删除。')
         return
       }
 
@@ -1132,15 +1158,58 @@ export default {
       try {
         const payload = await deleteExpenseClaim(request.value.claimId)
         deleteDialogOpen.value = false
-        toast(payload?.message || `${request.value.id} 草稿已删除。`)
+        toast(payload?.message || `${request.value.id} 报销单已删除。`)
         emit('request-deleted', { claimId: request.value.claimId })
       } catch (error) {
-        toast(error?.message || '删除草稿失败，请稍后重试。')
+        toast(error?.message || '删除单据失败，请稍后重试。')
       } finally {
         deleteBusy.value = false
       }
     }
 
+    function handleReturnRequest() {
+      if (!request.value.claimId) {
+        toast('当前单据缺少 claimId，暂时无法退回。')
+        return
+      }
+
+      if (!canReturnRequest.value) {
+        toast('当前状态不支持退回。')
+        return
+      }
+
+      returnDialogOpen.value = true
+    }
+
+    function closeReturnDialog() {
+      if (returnBusy.value) {
+        return
+      }
+
+      returnDialogOpen.value = false
+    }
+
+    async function confirmReturnRequest() {
+      if (!request.value.claimId) {
+        toast('当前单据缺少 claimId，暂时无法退回。')
+        return
+      }
+
+      returnBusy.value = true
+      try {
+        await returnExpenseClaim(request.value.claimId, {
+          reason: '详情页退回，请申请人补充后重新提交。'
+        })
+        returnDialogOpen.value = false
+        toast(`${request.value.id} 已退回待补充。`)
+        emit('request-updated', { claimId: request.value.claimId })
+      } catch (error) {
+        toast(error?.message || '退回单据失败，请稍后重试。')
+      } finally {
+        returnBusy.value = false
+      }
+    }
+
     function openAiEntry() {
       emit('openAssistant', {
         source: 'detail',
@@ -1164,14 +1233,22 @@ export default {
       attachmentPreviewName,
       attachmentPreviewOpen,
       attachmentPreviewUrl,
+      canDeleteRequest,
+      canManageCurrentClaim,
+      canReturnRequest,
       canSubmit,
       canPreviewAttachment,
       closeDeleteDialog,
       closeAttachmentPreview,
-      confirmDeleteDraft,
+      closeReturnDialog,
+      confirmDeleteRequest,
+      confirmReturnRequest,
       currentProgressRingMotion,
+      deleteActionLabel,
       deleteBusy,
+      deleteDialogDescription,
       deleteDialogOpen,
+      deleteDialogTitle,
       deletingAttachmentId,
       deletingExpenseId,
       detailNote,
@@ -1186,8 +1263,9 @@ export default {
       expenseUploadInput,
       expenseTypeOptions: EXPENSE_TYPE_OPTIONS,
       handleAddExpenseItem,
-      handleDeleteDraft,
+      handleDeleteRequest,
       handleExpenseFileChange,
+      handleReturnRequest,
       handleSubmit,
       hasExpenseRiskColumn,
       heroFactItems,
@@ -1205,6 +1283,8 @@ export default {
       resolveAttachmentRecognition,
       resolveExpenseRiskState,
       resolveExpenseIssues,
+      returnBusy,
+      returnDialogOpen,
       savingExpenseId,
       showExpenseRisk,
       startExpenseEdit,