feat: 扩展风险规则体系、审批动态路由与预算中心列表化改造

- 新增 25+ 条风险规则（预算/报销/申请/通用类），完善风险规则模拟与反馈发布机制
- 引入费用审批动态路由、平台风险分级、预审与风险阶段管理
- 预算中心列表化改造，优化票据夹仪表盘与数字员工工作看板
- 新增 Hermes 风险线索收集器、Agent 链路追踪中心
- 扩展数字员工能力库（18 个领域 Skill）与交通费用自动预估
- 完善报销申请快速预览、权限控制与前端测试覆盖

web/src/views/OverviewView.vue

@@ -137,6 +137,16 @@
       @update:window-days="setRiskWindowDays"
     />
 
+    <DigitalEmployeeDashboard
+      v-else-if="activeDashboard === 'digitalEmployee'"
+      :dashboard="digitalEmployeeDashboard"
+      :loading="digitalEmployeeDashboardLoading"
+      :error="digitalEmployeeDashboardError"
+      :daily-rows="digitalEmployeeDailyRows"
+      :task-ranking="digitalEmployeeTaskRanking"
+      :category-rows="digitalEmployeeCategoryRows"
+    />
+
     <template v-else>
       <div class="system-observability-grid">
         <article class="panel dashboard-card system-agent-ratio-panel">
@@ -295,6 +305,7 @@ import SystemAgentRatioBar from '../components/charts/SystemAgentRatioBar.vue'
 import SystemLoginWaveChart from '../components/charts/SystemLoginWaveChart.vue'
 import SystemTokenDailyWaveChart from '../components/charts/SystemTokenDailyWaveChart.vue'
 import SystemUserTokenPie from '../components/charts/SystemUserTokenPie.vue'
+import DigitalEmployeeDashboard from '../components/dashboard/DigitalEmployeeDashboard.vue'
 import RiskObservationDashboard from '../components/dashboard/RiskObservationDashboard.vue'
 import EnterpriseSelect from '../components/shared/EnterpriseSelect.vue'
 
@@ -318,6 +329,13 @@ const {
   bottlenecks,
   budgetSummary,
   departmentRangeOptions,
+  digitalEmployeeCategoryRows,
+  digitalEmployeeDashboard,
+  digitalEmployeeDashboardError,
+  digitalEmployeeDashboardLoading,
+  digitalEmployeeDailyRows,
+  digitalEmployeeKpiMetrics,
+  digitalEmployeeTaskRanking,
   kpiMetrics,
   rankedDepartments,
   riskDashboard,
@@ -350,15 +368,15 @@ const {
 const activeDashboard = computed(() => {
   if (props.dashboard === 'system') return 'system'
   if (props.dashboard === 'risk') return 'risk'
+  if (props.dashboard === 'digitalEmployee') return 'digitalEmployee'
   return 'finance'
 })
-const activeKpiMetrics = computed(() => (
-  activeDashboard.value === 'system'
-    ? systemKpiMetrics.value
-    : activeDashboard.value === 'risk'
-      ? riskKpiMetrics.value
-      : kpiMetrics.value
-))
+const activeKpiMetrics = computed(() => {
+  if (activeDashboard.value === 'system') return systemKpiMetrics.value
+  if (activeDashboard.value === 'digitalEmployee') return digitalEmployeeKpiMetrics.value
+  if (activeDashboard.value === 'risk') return riskKpiMetrics.value
+  return kpiMetrics.value
+})
 </script>
 
 <style scoped src="../assets/styles/views/overview-view.css"></style>