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/tests/navigation-route-resolution.test.mjs

@@ -1,13 +1,15 @@
 import assert from 'node:assert/strict'
 
 import {
+  appViews,
+  navItems,
   resolveAppViewFromRoute,
   resolveTargetRouteName
 } from '../src/composables/useNavigation.js'
 
 function testDerivesViewFromRouteName() {
   assert.equal(resolveAppViewFromRoute({ name: 'app-log-detail', meta: {} }), 'logs')
-  assert.equal(resolveAppViewFromRoute({ name: 'app-request-detail', meta: {} }), 'requests')
+  assert.equal(resolveAppViewFromRoute({ name: 'app-request-detail', meta: {} }), 'documents')
   assert.equal(resolveAppViewFromRoute({ name: 'app-policies', meta: { appView: 'logs' } }), 'policies')
 }
 
@@ -19,13 +21,24 @@ function testFallsBackToValidMeta() {
 function testResolvesMainRouteNames() {
   assert.equal(resolveTargetRouteName('logs'), 'app-logs')
   assert.equal(resolveTargetRouteName('policies'), 'app-policies')
+  assert.equal(resolveTargetRouteName('requests'), 'app-overview')
+  assert.equal(resolveTargetRouteName('approval'), 'app-overview')
+  assert.equal(resolveTargetRouteName('archive'), 'app-overview')
   assert.equal(resolveTargetRouteName('missing'), 'app-overview')
 }
 
+function testLegacyCentersAreRemovedFromNavigation() {
+  assert.equal(appViews.includes('requests'), false)
+  assert.equal(appViews.includes('approval'), false)
+  assert.equal(appViews.includes('archive'), false)
+  assert.equal(navItems.some((item) => ['requests', 'approval', 'archive'].includes(item.id)), false)
+}
+
 function run() {
   testDerivesViewFromRouteName()
   testFallsBackToValidMeta()
   testResolvesMainRouteNames()
+  testLegacyCentersAreRemovedFromNavigation()
   console.log('navigation route resolution tests passed')
 }