feat: 新增预算费控模型与报销审批流引擎

后端新增预算费控服务和报销单审批流模块，引入申请人费用画像
算法，优化知识库 RAG 运行时和同步逻辑，完善报销单工作流常
量和明细同步，更新差旅报销规则电子表格，前端新增预算分析
组件和数字员工模型，完善审批对话框和洞察面板交互，优化侧
边栏和顶栏样式，补充单元测试。

web/src/composables/useRequests.js

@@ -57,6 +57,7 @@ const REIMBURSEMENT_PROGRESS_LABELS = [
 const APPLICATION_PROGRESS_LABELS = [
   '创建申请',
   '直属领导审批',
+  '预算管理者审批',
   '审批完成'
 ]
 
@@ -386,10 +387,13 @@ function resolveApplicationProgressCurrentIndex(approvalMeta, workflowNode) {
   const normalizedNode = String(workflowNode || '').trim()
 
   if (approvalMeta.key === 'completed') {
-    return 2
+    return 3
   }
 
   if (normalizedNode.includes('审批完成') || normalizedNode.includes('申请完成')) {
+    return 3
+  }
+  if (normalizedNode.includes('预算')) {
     return 2
   }
   if (
@@ -437,15 +441,42 @@ function resolveApplicationApproverName(claim) {
   ) || '直属领导'
 }
 
+function resolveApplicationBudgetApproverName(claim) {
+  const routeEvent = findApprovalEventForStep(claim, '直属领导审批')
+  return resolveDisplayName(
+    routeEvent?.next_approver_name,
+    routeEvent?.nextApproverName,
+    routeEvent?.budget_approver_name,
+    routeEvent?.budgetApproverName
+  ) || 'P8预算监控者'
+}
+
 function resolveProgressDisplayLabel(label, documentTypeCode, claim, approvalMeta) {
+  const normalizedLabel = normalizeText(label)
+  const workflowNode = normalizeText(claim?.approval_stage || claim?.workflowNode)
   if (
     documentTypeCode === DOCUMENT_TYPE_APPLICATION
     && approvalMeta.key !== 'completed'
-    && normalizeText(label) === '直属领导审批'
+    && normalizedLabel === '直属领导审批'
+    && (
+      workflowNode.includes('直属领导')
+      || workflowNode.includes('领导审批')
+      || workflowNode.includes('部门负责人')
+      || workflowNode.includes('负责人审批')
+    )
   ) {
     return `等待 ${resolveApplicationApproverName(claim)} 批复`
   }
 
+  if (
+    documentTypeCode === DOCUMENT_TYPE_APPLICATION
+    && approvalMeta.key !== 'completed'
+    && normalizedLabel === '预算管理者审批'
+    && workflowNode.includes('预算')
+  ) {
+    return `等待 ${resolveApplicationBudgetApproverName(claim)} 批复`
+  }
+
   return label
 }
 
@@ -471,7 +502,7 @@ function findApprovalEventForStep(claim, label) {
     }
 
     const source = normalizeText(flag.source)
-    if (!['manual_approval', 'finance_approval'].includes(source)) {
+    if (!['manual_approval', 'budget_approval', 'finance_approval'].includes(source)) {
       return false
     }
 
@@ -482,10 +513,19 @@ function findApprovalEventForStep(claim, label) {
       return (
         previousStage.includes('直属领导')
         || previousStage.includes('领导审批')
+        || nextStage.includes('预算')
         || nextStage.includes('财务')
       )
     }
 
+    if (stepLabel === '预算管理者审批') {
+      return (
+        source === 'budget_approval'
+        || previousStage.includes('预算')
+        || nextStage.includes('审批完成')
+      )
+    }
+
     if (stepLabel === '财务审批') {
       return (
         previousStage.includes('财务')
@@ -557,15 +597,16 @@ function buildCompletedStepMeta(claim, label) {
     return buildProgressStepMeta('AI预审通过', reviewedAt)
   }
 
-  if (stepLabel === '直属领导审批' || stepLabel === '财务审批') {
+  if (stepLabel === '直属领导审批' || stepLabel === '预算管理者审批' || stepLabel === '财务审批') {
     const approvalEvent = findApprovalEventForStep(claim, stepLabel)
     if (approvalEvent) {
       const operator = resolveDisplayName(
         approvalEvent.operator,
         approvalEvent.operator_name,
         approvalEvent.operatorName,
-        stepLabel === '直属领导审批' ? claim?.manager_name : ''
-      ) || (stepLabel === '财务审批' ? '财务' : '直属领导')
+        stepLabel === '直属领导审批' ? claim?.manager_name : '',
+        stepLabel === '预算管理者审批' ? approvalEvent.next_approver_name : ''
+      ) || (stepLabel === '财务审批' ? '财务' : stepLabel === '预算管理者审批' ? '预算监控者' : '直属领导')
       const approvedAt = formatDateTime(approvalEvent.created_at || approvalEvent.createdAt)
       return buildProgressStepMeta(`${operator}通过`, approvedAt, `${operator}审批通过 ${approvedAt}`.trim())
     }
@@ -626,6 +667,10 @@ function resolveCurrentStepStartedAt(claim, label) {
   if (stepLabel === '直属领导审批') {
     return claim?.submitted_at || claim?.updated_at || claim?.created_at
   }
+  if (stepLabel === '预算管理者审批') {
+    const leaderApprovalEvent = findApprovalEventForStep(claim, '直属领导审批')
+    return leaderApprovalEvent?.created_at || leaderApprovalEvent?.createdAt || claim?.updated_at || claim?.submitted_at
+  }
   if (stepLabel === '财务审批') {
     const leaderApprovalEvent = findApprovalEventForStep(claim, '直属领导审批')
     return leaderApprovalEvent?.created_at || leaderApprovalEvent?.createdAt || claim?.updated_at || claim?.submitted_at