feat(web): AI 工作台文件预览/附件关联任务与草稿分支

- 新增 WorkbenchAiFilePreviewDialog 附件预览对话框及 useWorkbenchAiFilePreview，附件支持点击预览
- 新增 attachmentAssociationJobs/linkedReimbursementDraftJobs 前端服务与对应 composable，接入后台任务轮询与状态展示
- 新增 travelReimbursementDraftBranchModel 草稿分支模型，报销关联门控支持跳过/选择草稿
- PersonalWorkbenchAiMode 及各 composable（expense/document/steward/application-preview/attachment-association）重构适配，WorkbenchAiComposer/FileStrip 样式与交互完善
- DocumentsCenter/ReceiptFolder/TravelReimbursementCreate 等视图及 scripts 重构，风险/差旅规划/审批等工具适配
- 新增/更新前端测试：application-result-card、reimbursement-list-preview-fetch、guided-flow、composer-components 等

web/src/views/scripts/ApprovalCenterView.js

@@ -3,7 +3,11 @@ import { computed, ref, watch } from 'vue'
 import EnterpriseListPage from '../../components/shared/EnterpriseListPage.vue'
 import { useApprovalInbox } from '../../composables/useApprovalInbox.js'
 import { useSystemState } from '../../composables/useSystemState.js'
-import { fetchApprovalExpenseClaims } from '../../services/reimbursements.js'
+import {
+  REIMBURSEMENT_LIST_PREVIEW_PARAMS,
+  extractExpenseClaimItems,
+  fetchApprovalExpenseClaims
+} from '../../services/reimbursements.js'
 import { listPendingApprovalRequests } from '../../utils/approvalInbox.js'
 import {
   filterActionableRiskFlags,
@@ -181,7 +185,7 @@ export default {
           actionIcon: null,
           tone: 'slate',
           artLabel: 'QUEUE',
-          tips: ['当前仅展示你有权限处理的单据', '高风险和即将超时单据会优先高亮']
+          tips: ['当前仅展示您有权限处理的单据', '高风险和即将超时单据会优先高亮']
         }
       }
 
@@ -228,8 +232,8 @@ export default {
       error.value = ''
 
       try {
-        const payload = await fetchApprovalExpenseClaims()
-        const pendingRequests = listPendingApprovalRequests(payload, currentUser.value)
+        const payload = await fetchApprovalExpenseClaims(REIMBURSEMENT_LIST_PREVIEW_PARAMS)
+        const pendingRequests = listPendingApprovalRequests(extractExpenseClaimItems(payload), currentUser.value)
         const mappedRows = pendingRequests.map((item) => buildApprovalRow(item))
         rows.value = mappedRows
         syncPendingClaimIds(mappedRows.map((item) => item.claimId))