feat: 增强风险规则生成引擎与预算中心页面

后端拆分风险规则生成为解释器、语义分析、本体对齐等子模块，
优化模板执行和流程图生成，完善员工种子数据和导入逻辑，增强
报销单权限策略和草稿持久化，前端新增预算中心视图和趋势图
组件，重构审计页面和风险规则测试对话框交互，完善文档中心
和报销创建页面细节，补充单元测试覆盖。

web/src/utils/requestViewModel.js

@@ -1,3 +1,5 @@
+import { isApplicationRequestLike } from './documentClassification.js'
+
 const REQUEST_TYPE_META = {
   travel: {
     label: '差旅费',
@@ -250,6 +252,29 @@ function resolveDisplayName(...values) {
   return ''
 }
 
+export function isArchivedRequestView(request) {
+  const status = String(request?.status || '').trim().toLowerCase()
+  const approvalKey = String(request?.approvalKey || '').trim().toLowerCase()
+  const rawStage = String(request?.approval_stage || request?.approvalStage || '').trim()
+  const displayStage = String(request?.workflowNode || request?.node || '').trim()
+  const stage = rawStage || displayStage
+
+  if (stage === '归档入账' || stage === 'completed' || stage.includes('归档') || stage.includes('入账')) {
+    return true
+  }
+  if (
+    isApplicationRequestLike(request)
+    && ['approved', 'completed', 'paid'].includes(status)
+    && ['审批完成', '申请归档'].includes(stage)
+  ) {
+    return true
+  }
+  if (['approved', 'completed', 'paid'].includes(status)) {
+    return rawStage === '' || rawStage === '归档入账' || rawStage === 'completed'
+  }
+  return approvalKey === 'completed'
+}
+
 export function normalizeRequestForUi(request) {
   if (!request) {
     return null