feat: 完善审批退回流程与报销申请关联

后端优化报销单访问策略和常量定义，增强退回原因和审批状态
流转，前端完善退回对话框和审批交互组件，新增报销申请关联
模型，优化文档中心行数据和审批收件箱工具函数，增强引导
流程和会话模型，补充单元测试覆盖。

web/src/views/scripts/travelReimbursementGuidedFlowModel.js

@@ -7,6 +7,7 @@ export const GUIDED_ACTION_START_APPLICATION = 'start_guided_application'
 export const GUIDED_ACTION_START_STATUS_QUERY = 'start_guided_status_query'
 export const GUIDED_ACTION_OPEN_TRAVEL_CALCULATOR = 'open_travel_calculator'
 export const GUIDED_ACTION_SELECT_EXPENSE_TYPE = 'guided_select_expense_type'
+export const GUIDED_ACTION_SELECT_REQUIRED_APPLICATION = 'guided_select_required_application'
 export const GUIDED_ACTION_CONFIRM_REIMBURSEMENT_REVIEW = 'guided_confirm_reimbursement_review'
 export const GUIDED_ACTION_CONTINUE_FILLING = 'guided_continue_filling'
 export const GUIDED_ACTION_PROCESS_INTERRUPTION = 'guided_process_interruption'
@@ -109,13 +110,36 @@ function normalizeValues(values) {
   }, {})
 }
 
+function normalizeApplicationCandidates(applications) {
+  if (!Array.isArray(applications)) {
+    return []
+  }
+  return applications
+    .map((item) => (item && typeof item === 'object' ? item : null))
+    .filter(Boolean)
+    .map((item) => ({
+      id: normalizeText(item.id || item.application_claim_id),
+      claim_no: normalizeText(item.claim_no || item.application_claim_no),
+      expense_type: normalizeText(item.expense_type || item.application_expense_type),
+      reason: normalizeText(item.reason || item.application_reason),
+      location: normalizeText(item.location || item.application_location),
+      amount: normalizeText(item.amount || item.application_amount),
+      amount_label: normalizeText(item.amount_label || item.application_amount_label),
+      status: normalizeText(item.status || item.application_status),
+      status_label: normalizeText(item.status_label || item.application_status_label),
+      application_date: normalizeText(item.application_date)
+    }))
+    .filter((item) => item.id || item.claim_no)
+}
+
 export function createEmptyGuidedFlowState() {
   return {
     mode: GUIDED_FLOW_MODE_NONE,
     stepKey: '',
     expenseType: '',
     values: {},
-    pendingInterruptionText: ''
+    pendingInterruptionText: '',
+    applicationCandidates: []
   }
 }
 
@@ -134,7 +158,8 @@ export function normalizeGuidedFlowState(state) {
     stepKey: normalizeText(source.stepKey),
     expenseType: normalizeText(source.expenseType),
     values: normalizeValues(source.values),
-    pendingInterruptionText: normalizeText(source.pendingInterruptionText)
+    pendingInterruptionText: normalizeText(source.pendingInterruptionText),
+    applicationCandidates: normalizeApplicationCandidates(source.applicationCandidates)
   }
 }
 
@@ -191,7 +216,44 @@ export function selectGuidedExpenseType(state, expenseType) {
     mode: GUIDED_FLOW_MODE_REIMBURSEMENT,
     expenseType: type.key,
     stepKey: steps[0]?.key || 'summary',
-    pendingInterruptionText: ''
+    pendingInterruptionText: '',
+    applicationCandidates: []
+  }
+}
+
+export function waitForGuidedApplicationSelection(state, expenseType, applications = []) {
+  const type = getGuidedExpenseType(expenseType)
+  if (!type) {
+    return normalizeGuidedFlowState(state)
+  }
+  return {
+    ...normalizeGuidedFlowState(state),
+    mode: GUIDED_FLOW_MODE_REIMBURSEMENT,
+    expenseType: type.key,
+    stepKey: 'application_selection',
+    pendingInterruptionText: '',
+    applicationCandidates: normalizeApplicationCandidates(applications)
+  }
+}
+
+export function selectGuidedRequiredApplication(state, application = {}) {
+  const current = normalizeGuidedFlowState(state)
+  const steps = getGuidedReimbursementSteps(current.expenseType)
+  return {
+    ...current,
+    values: normalizeValues({
+      ...current.values,
+      application_claim_id: application.application_claim_id || application.id || '',
+      application_claim_no: application.application_claim_no || application.claim_no || '',
+      application_reason: application.application_reason || application.reason || '',
+      application_location: application.application_location || application.location || '',
+      application_amount: application.application_amount || application.amount || '',
+      application_amount_label: application.application_amount_label || application.amount_label || '',
+      application_status_label: application.application_status_label || application.status_label || ''
+    }),
+    stepKey: steps[0]?.key || 'summary',
+    pendingInterruptionText: '',
+    applicationCandidates: []
   }
 }
 
@@ -290,6 +352,16 @@ export function buildGuidedReimbursementSummaryText(state) {
     '请核查下面的关键信息：'
   ]
 
+  if (current.values.application_claim_no) {
+    const applicationParts = [
+      current.values.application_claim_no,
+      current.values.application_reason,
+      current.values.application_location,
+      current.values.application_amount_label
+    ].filter(Boolean)
+    lines.push(`- 关联申请单：${applicationParts.join(' / ')}`)
+  }
+
   steps.forEach((step) => {
     const value = step.key === 'attachments'
       ? (current.values.attachment_names?.length
@@ -324,6 +396,9 @@ export function buildGuidedReviewSubmitOptions(state, files = []) {
       : values[step.key]
     return `${step.summaryLabel}：${value || '待补充'}`
   })
+  if (values.application_claim_no) {
+    fieldLines.unshift(`关联申请单：${values.application_claim_no}`)
+  }
   const rawText = [
     `报销类型：${typeLabel}`,
     ...fieldLines
@@ -340,7 +415,12 @@ export function buildGuidedReviewSubmitOptions(state, files = []) {
     time_range: values.time_range || '',
     business_time: values.time_range || '',
     amount: values.amount || '',
-    attachment_names: Array.isArray(values.attachment_names) ? values.attachment_names : []
+    attachment_names: Array.isArray(values.attachment_names) ? values.attachment_names : [],
+    application_claim_id: values.application_claim_id || '',
+    application_claim_no: values.application_claim_no || '',
+    application_reason: values.application_reason || '',
+    application_location: values.application_location || '',
+    application_amount: values.application_amount || ''
   }
 
   return {
@@ -355,7 +435,9 @@ export function buildGuidedReviewSubmitOptions(state, files = []) {
       expense_scene_selection: {
         expense_type: type?.key || current.expenseType || 'other',
         expense_type_label: typeLabel,
-        original_message: rawText
+        original_message: rawText,
+        application_claim_id: values.application_claim_id || '',
+        application_claim_no: values.application_claim_no || ''
       },
       review_form_values: reviewFormValues
     }