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/views/AppShellRouteView.vue

@@ -18,13 +18,11 @@
     <main
       class="main"
       :class="{
-        'overview-main': activeView === 'overview',
-        'workbench-main': activeView === 'workbench',
-        'documents-main': activeView === 'documents',
-        'requests-main': activeView === 'requests',
-        'approval-main': activeView === 'approval',
-        'archive-main': activeView === 'archive',
-        'policies-main': activeView === 'policies',
+        'overview-main': activeView === 'overview',
+        'workbench-main': activeView === 'workbench',
+        'documents-main': activeView === 'documents',
+        'budget-main': activeView === 'budget',
+        'policies-main': activeView === 'policies',
         'audit-main': activeView === 'audit',
         'audit-detail-main': activeView === 'audit' && auditDetailOpen,
         'logs-main': activeView === 'logs',
@@ -57,7 +55,7 @@
       />
 
       <FilterBar
-        v-if="activeView !== 'overview' && activeView !== 'workbench' && activeView !== 'documents' && activeView !== 'requests' && activeView !== 'approval' && activeView !== 'archive' && activeView !== 'policies' && activeView !== 'audit' && activeView !== 'logs' && activeView !== 'employees' && activeView !== 'settings'"
+        v-if="activeView !== 'overview' && activeView !== 'workbench' && activeView !== 'documents' && activeView !== 'budget' && activeView !== 'policies' && activeView !== 'audit' && activeView !== 'logs' && activeView !== 'employees' && activeView !== 'settings'"
         :compact="activeView === 'overview'"
         :filters="filters"
         :ranges="ranges"
@@ -68,11 +66,9 @@
       <section
         class="workarea"
         :class="{
-          'requests-workarea': activeView === 'requests',
-          'documents-workarea': activeView === 'documents',
-          'approval-workarea': activeView === 'approval',
-          'archive-workarea': activeView === 'archive',
-          'policies-workarea': activeView === 'policies',
+          'documents-workarea': activeView === 'documents',
+          'budget-workarea': activeView === 'budget',
+          'policies-workarea': activeView === 'policies',
           'audit-workarea': activeView === 'audit',
           'logs-workarea': activeView === 'logs',
           'employees-workarea': activeView === 'employees',
@@ -92,11 +88,11 @@
           @open-assistant="openSmartEntry"
         />
 
-        <TravelRequestDetailView
-          v-else-if="['requests', 'documents'].includes(activeView) && detailMode && selectedRequest"
-          :request="selectedRequest"
-          :back-label="activeView === 'documents' ? '返回单据中心' : '返回报销列表'"
-          @back-to-requests="closeRequestDetail"
+        <TravelRequestDetailView
+          v-else-if="activeView === 'documents' && detailMode && selectedRequest"
+          :request="selectedRequest"
+          back-label="返回单据中心"
+          @back-to-requests="closeRequestDetail"
           @open-assistant="openSmartEntry"
           @request-updated="handleRequestUpdated"
           @request-deleted="handleRequestDeleted"
@@ -115,22 +111,8 @@
           @summary-change="documentSummary = $event"
         />
 
-        <RequestsView
-          v-else-if="activeView === 'requests'"
-          :filtered-requests="filteredRequests"
-          :has-data="requests.length > 0"
-          :loading="requestsLoading"
-          :error="requestsError"
-          @ask="openRequestDetail"
-          @approve="handleApprove"
-          @reject="handleReject"
-          @reload="reloadRequests"
-          @create-request="openTravelCreate"
-        />
-
-        <ApprovalCenterView v-else-if="activeView === 'approval'" />
-        <ArchiveCenterView v-else-if="activeView === 'archive'" />
-        <PoliciesView v-else-if="activeView === 'policies'" @summary-change="knowledgeSummary = $event" />
+        <BudgetCenterView v-else-if="activeView === 'budget'" />
+        <PoliciesView v-else-if="activeView === 'policies'" @summary-change="knowledgeSummary = $event" />
         <AuditView v-else-if="activeView === 'audit'" @detail-open-change="auditDetailOpen = $event" />
         <LogDetailView v-else-if="activeView === 'logs' && logDetailMode" />
         <LogsView v-else-if="activeView === 'logs'" @summary-change="logsSummary = $event" />
@@ -145,11 +127,12 @@
       :initial-prompt="smartEntryContext.prompt"
       :initial-files="smartEntryContext.files"
       :initial-conversation="smartEntryContext.conversation"
-      :entry-source="smartEntryContext.source"
-      :request-context="smartEntryContext.request"
-      :invalidated-draft-claim-id="smartEntryInvalidatedDraftClaimId"
-      @close="closeSmartEntry"
-      @draft-saved="handleDraftSaved"
+      :entry-source="smartEntryContext.source"
+      :request-context="smartEntryContext.request"
+      :invalidated-draft-claim-id="smartEntryInvalidatedDraftClaimId"
+      :reopen-token="smartEntryRevealToken"
+      @close="closeSmartEntry"
+      @draft-saved="handleDraftSaved"
     />
   </div>
 </template>
@@ -162,13 +145,11 @@ import TopBar from '../components/layout/TopBar.vue'
 import FilterBar from '../components/layout/FilterBar.vue'
 import OverviewView from './OverviewView.vue'
 import PersonalWorkbenchView from './PersonalWorkbenchView.vue'
-import TravelReimbursementCreateView from './TravelReimbursementCreateView.vue'
-import TravelRequestDetailView from './TravelRequestDetailView.vue'
-import DocumentsCenterView from './DocumentsCenterView.vue'
-import RequestsView from './RequestsView.vue'
-import ApprovalCenterView from './ApprovalCenterView.vue'
-import ArchiveCenterView from './ArchiveCenterView.vue'
-import PoliciesView from './PoliciesView.vue'
+import TravelReimbursementCreateView from './TravelReimbursementCreateView.vue'
+import TravelRequestDetailView from './TravelRequestDetailView.vue'
+import DocumentsCenterView from './DocumentsCenterView.vue'
+import BudgetCenterView from './BudgetCenterView.vue'
+import PoliciesView from './PoliciesView.vue'
 import AuditView from './AuditView.vue'
 import LogsView from './LogsView.vue'
 import LogDetailView from './LogDetailView.vue'
@@ -222,9 +203,10 @@ const {
   search,
   selectedRequest,
   smartEntryContext,
-  smartEntryInvalidatedDraftClaimId,
-  smartEntryOpen,
-  smartEntrySessionId,
+  smartEntryInvalidatedDraftClaimId,
+  smartEntryOpen,
+  smartEntryRevealToken,
+  smartEntrySessionId,
   toast,
   topBarView
 } = useAppShell()