feat: 完善文档中心与报销申请交互及侧边栏重构

后端优化编排器报销查询和本体检测精度，增强报销单草稿保
存和附件回填逻辑，前端重构侧边栏组件支持折叠和图标导
航，完善文档中心状态筛选和详情提示，报销创建和审批详情
页优化会话管理和费用明细交互，新增助手应用服务和预设动
作工具函数，补充单元测试覆盖。

web/src/views/scripts/TravelRequestDetailView.js

@@ -45,6 +45,7 @@ import {
   buildOptionalTravelReceiptRiskCards,
   formatCurrency,
   isPlaceholderValue,
+  isApplicationDocumentRequest,
   isRouteDescriptionExpenseType,
   isSyntheticLocationDisplay,
   isValidIsoDate,
@@ -192,6 +193,10 @@ function buildExpenseItemViewModel(source, index, requestModel, travelTimeLabelM
     attachmentStatus: isSystemGenerated ? '无需附件' : attachments.length ? '已关联票据' : '未上传',
 
 function buildOptionalTravelReceiptRiskCards(requestModel, items) {
+  if (isApplicationDocumentRequest(requestModel)) {
+    return []
+  }
+
   const normalizedItems = Array.isArray(items) ? items : []
   const isTravelContext =
     requestModel?.detailVariant === 'travel' ||
@@ -449,7 +454,8 @@ export default {
       )
     })
 
-    const isTravelRequest = computed(() => request.value.detailVariant === 'travel')
+    const isApplicationDocument = computed(() => isApplicationDocumentRequest(request.value))
+    const isTravelRequest = computed(() => request.value.detailVariant === 'travel' && !isApplicationDocument.value)
     const isDraftRequest = computed(() => request.value.approvalKey === 'draft')
     const isEditableRequest = computed(() => ['draft', 'supplement'].includes(request.value.approvalKey))
     const canOpenAiEntry = computed(() => isEditableRequest.value)
@@ -478,39 +484,59 @@ export default {
           && canApproveLeaderExpenseClaims(currentUser.value)
         )
         || (
-          isFinanceApprovalStage.value
+          !isApplicationDocument.value
+          && isFinanceApprovalStage.value
           && isFinanceUser(currentUser.value)
         )
       )
     )
     const showLeaderApprovalPanel = computed(() => canApproveRequest.value)
     const approvalOpinionTitle = computed(() => (isFinanceApprovalStage.value ? '财务意见' : '领导意见'))
-    const approvalOpinionPlaceholder = computed(() =>
-      isFinanceApprovalStage.value
-        ? '请输入财务终审意见，可补充票据核验、金额一致性或入账关注点。'
-        : '请输入审批意见，可补充核实情况、费用合理性或后续财务关注点。'
-    )
-    const approvalOpinionHint = computed(() =>
-      isFinanceApprovalStage.value ? '审核通过后将进入归档入账。' : '审批通过后将流转至财务审批。'
-    )
+    const approvalOpinionPlaceholder = computed(() => {
+      if (isFinanceApprovalStage.value) {
+        return '请输入财务终审意见，可补充票据核验、金额一致性或入账关注点。'
+      }
+      if (isApplicationDocument.value) {
+        return '请输入审批意见，可补充业务必要性、预算合理性或执行要求。'
+      }
+      return '请输入审批意见，可补充核实情况、费用合理性或后续财务关注点。'
+    })
+    const approvalOpinionHint = computed(() => {
+      if (isFinanceApprovalStage.value) {
+        return '审核通过后将进入归档入账。'
+      }
+      return isApplicationDocument.value ? '审批通过后申请流程完成。' : '审批通过后将流转至财务审批。'
+    })
     const approvalConfirmBadge = computed(() => (isFinanceApprovalStage.value ? '财务终审' : '领导审批'))
-    const approvalConfirmDescription = computed(() =>
-      isFinanceApprovalStage.value
-        ? '确认后该报销单会完成财务终审并进入归档入账，请确认票据、金额与财务意见无误。'
-        : '确认后该报销单会从直属领导审批流转到财务审批，请确认申请信息与领导意见无误。'
-    )
-    const approvalNextStage = computed(() => (isFinanceApprovalStage.value ? '归档入账' : '财务审批'))
-    const approvalSuccessToast = computed(() =>
-      isFinanceApprovalStage.value
-        ? `${request.value.id} 已完成财务终审，进入归档入账。`
+    const approvalConfirmDescription = computed(() => {
+      if (isFinanceApprovalStage.value) {
+        return '确认后该报销单会完成财务终审并进入归档入账，请确认票据、金额与财务意见无误。'
+      }
+      if (isApplicationDocument.value) {
+        return '确认后该申请单会完成直属领导审批，请确认申请信息与领导意见无误。'
+      }
+      return '确认后该报销单会从直属领导审批流转到财务审批，请确认申请信息与领导意见无误。'
+    })
+    const approvalNextStage = computed(() => {
+      if (isFinanceApprovalStage.value) {
+        return '归档入账'
+      }
+      return isApplicationDocument.value ? '审批完成' : '财务审批'
+    })
+    const approvalSuccessToast = computed(() => {
+      if (isFinanceApprovalStage.value) {
+        return `${request.value.id} 已完成财务终审，进入归档入账。`
+      }
+      return isApplicationDocument.value
+        ? `${request.value.id} 申请已审批通过。`
         : `${request.value.id} 已审批通过，流转至财务审批。`
-    )
+    })
     const deleteActionLabel = computed(() => (isDraftRequest.value ? '删除草稿' : '删除单据'))
     const deleteDialogTitle = computed(() => `确认${deleteActionLabel.value} ${request.value.id} 吗？`)
     const deleteDialogDescription = computed(() =>
       isDraftRequest.value
         ? '删除后该草稿及其当前费用明细将不可恢复，请确认本次操作。'
-        : '删除后该报销单及费用明细将不可恢复，请确认本次操作。'
+        : `删除后该${isApplicationDocument.value ? '申请单' : '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)
@@ -562,7 +588,7 @@ export default {
     const heroFactItems = computed(() => [
       {
         key: 'document',
-        label: '报销单号',
+        label: isApplicationDocument.value ? '申请单号' : '报销单号',
         value: request.value.documentNo || request.value.id,
         icon: 'mdi mdi-camera-outline',
         valueClass: ''
@@ -576,14 +602,14 @@ export default {
       },
       {
         key: 'amount',
-        label: '报销金额',
+        label: isApplicationDocument.value ? '预计金额' : '报销金额',
         value: request.value.amountDisplay,
         icon: '',
         valueClass: 'amount'
       },
       {
         key: 'type',
-        label: isTravelRequest.value ? '差旅类型' : '报销类型',
+        label: isApplicationDocument.value ? '申请类型' : isTravelRequest.value ? '差旅类型' : '报销类型',
         value: request.value.typeLabel,
         icon: '',
         valueClass: ''
@@ -600,7 +626,7 @@ export default {
     const progressSteps = computed(() =>
       Array.isArray(request.value.progressSteps) && request.value.progressSteps.length
         ? request.value.progressSteps
-        : buildFallbackProgressSteps()
+        : buildFallbackProgressSteps(request.value)
     )
 
     const currentProgressRingMotion = {
@@ -1530,7 +1556,11 @@ export default {
         const claimStatus = String(payload?.status || '').trim().toLowerCase()
         const approvalStage = String(payload?.approval_stage || payload?.approvalStage || '').trim()
         if (claimStatus === 'submitted') {
-          toast(`${request.value.id} 已完成 AI预审${approvalStage ? `，当前节点：${approvalStage}` : '，并已提交审批'}。`)
+          toast(
+            isApplicationDocument.value
+              ? `${request.value.id} 申请单已提交${approvalStage ? `，当前节点：${approvalStage}` : '，等待直属领导审批'}。`
+              : `${request.value.id} 已完成 AI预审${approvalStage ? `，当前节点：${approvalStage}` : '，并已提交审批'}。`
+          )
         } else if (claimStatus === 'supplement') {
           toast(`${request.value.id} AI预审未通过，已转待补充。`)
         } else {
@@ -1577,7 +1607,7 @@ export default {
       try {
         const payload = await deleteExpenseClaim(request.value.claimId)
         deleteDialogOpen.value = false
-        toast(payload?.message || `${request.value.id} 报销单已删除。`)
+        toast(payload?.message || `${request.value.id} ${isApplicationDocument.value ? '申请单' : '报销单'}已删除。`)
         emit('request-deleted', { claimId: request.value.claimId })
       } catch (error) {
         toast(error?.message || '删除单据失败，请稍后重试。')
@@ -1722,7 +1752,7 @@ export default {
       expenseTypeOptions: EXPENSE_TYPE_OPTIONS,
       goToNextSubmitRisk, goToPreviousSubmitRisk,
       handleAddExpenseItem, handleApproveRequest, handleDeleteRequest, handleExpenseFileChange,
-      handleReturnRequest, handleSubmit, heroFactItems, isDraftRequest, isEditableRequest, isTravelRequest,
+      handleReturnRequest, handleSubmit, heroFactItems, isApplicationDocument, isDraftRequest, isEditableRequest, isTravelRequest,
       isMajorExpenseRisk,
       openAiEntry, openAttachmentPreview, goToNextAttachmentPreview, goToPreviousAttachmentPreview,
       profile, progressSteps, request, leaderOpinion, removeExpenseAttachment, removeExpenseItem,