feat: 新增风险图谱算法与系统仪表盘及操作反馈体系

后端新增风险图谱算法模块、风险观察与反馈服务、规则 DSL
校验器和可解释性引擎，完善系统仪表盘和财务仪表盘统计，
优化 agent 运行和编排执行链路，清理旧开发文档，前端新增
系统趋势、负载热力图等多种仪表盘图表组件，完善操作反馈
对话框和工作台日期选择器，优化报销创建和审批详情交互，
补充单元测试覆盖。

web/tests/travel-request-detail-submit-confirm.test.mjs

@@ -72,7 +72,8 @@ test('detail submit requires override reasons for high-risk claims', () => {
 
 test('detail header and fallback progress use reimbursement wording', () => {
   assert.match(detailViewScript, /label:\s*'单据申请日期'/)
-  assert.match(detailExpenseModelScript, /label:\s*'创建单据'/)
+  assert.match(detailExpenseModelScript, /label:\s*'关联单据'/)
+  assert.match(detailExpenseModelScript, /label:\s*'已归档'/)
   assert.doesNotMatch(detailViewScript, /label:\s*'保存草稿'/)
 })
 
@@ -80,6 +81,6 @@ test('archived detail delete action is gated by admin-only permission', () => {
   assert.match(detailViewScript, /canDeleteArchivedExpenseClaims/)
   assert.match(detailViewScript, /isArchivedRequestView/)
   assert.match(detailViewScript, /if \(isArchivedRequest\.value\) {\s*return canDeleteArchivedExpenseClaims\(currentUser\.value\)/)
-  assert.match(detailViewTemplate, /v-else-if="canReturnRequest \|\| canApproveRequest \|\| canDeleteRequest"/)
+  assert.match(detailViewTemplate, /v-else-if="canReturnRequest \|\| canApproveRequest \|\| canPayRequest \|\| canDeleteRequest"/)
   assert.doesNotMatch(detailViewTemplate, /v-if="canManageCurrentClaim"/)
 })