fix(frontend): 修复 SPA 深链直访白屏（vite base 改为绝对路径）

- base: './' → '/'，避免 /audit/terminal 等路径下 assets 404
- 审计页改为独立路由组件，支持 URL 直链

frontend/src/App.tsx

@@ -38,7 +38,9 @@ const ApprovalPermissionPage = lazy(() => import('@/pages/ApprovalPermissionPage
 const ApprovalWorkflowPage = lazy(() => import('@/pages/ApprovalWorkflowPage').then(m => ({ default: m.default })));
 const ScriptManager = lazy(() => import('@/components/automation/ScriptManager').then(m => ({ default: m.ScriptManager })));
 const SystemManager = lazy(() => import('@/components/system/SystemManager').then(m => ({ default: m.SystemManager })));
-const AuditPage = lazy(() => import('@/pages/AuditPage').then(m => ({ default: m.AuditPage })));
+const TerminalAuditTab = lazy(() => import('@/pages/TerminalAuditTab').then(m => ({ default: m.TerminalAuditTab })));
+const AuditOperationsTab = lazy(() => import('@/pages/AuditOperationsTab').then(m => ({ default: m.AuditOperationsTab })));
+const LoginLogsTab = lazy(() => import('@/pages/LoginLogsTab').then(m => ({ default: m.LoginLogsTab })));
 const CredentialManager = lazy(() => import('@/components/deploy/CredentialManager').then(m => ({ default: m.default })));
 const PipelineManager = lazy(() => import('@/components/deploy/PipelineManager').then(m => ({ default: m.PipelineManager })));
 const DeployCredentials = lazy(() => import('@/components/deploy/DeployCredentials').then(m => ({ default: m.default })));
@@ -190,10 +192,10 @@ function App() {
                 <Route path="ai-alert-analyzer" element={<LazyPage><AIAlertAnalyzer /></LazyPage>} />
                 <Route path="ai-predictive" element={<LazyPage><AIPredictiveAnalytics /></LazyPage>} />
 
-                {/* Audit */}
-                <Route path="audit/terminal" element={<LazyPage><AuditPage /></LazyPage>} />
-                <Route path="audit/operations" element={<LazyPage><AuditPage /></LazyPage>} />
-                <Route path="audit/login-logs" element={<LazyPage><AuditPage /></LazyPage>} />
+                {/* Audit — 各 Tab 独立路由，支持 URL 直链 // Logan.Li */}
+                <Route path="audit/terminal" element={<LazyPage><TerminalAuditTab /></LazyPage>} />
+                <Route path="audit/operations" element={<LazyPage><AuditOperationsTab /></LazyPage>} />
+                <Route path="audit/login-logs" element={<LazyPage><LoginLogsTab /></LazyPage>} />
 
                 {/* System */}
                 <Route path="users" element={<LazyPage><SystemManager /></LazyPage>} />

frontend/vite.config.ts

@@ -5,7 +5,8 @@ import { inspectAttr } from 'kimi-plugin-inspect-react'
 
 // https://vite.dev/config/
 export default defineConfig({
-  base: './',
+  // 必须用绝对路径，否则 /audit/terminal 等深链会解析成 /audit/assets/... 导致白屏 // Logan.Li
+  base: '/',
   plugins: [inspectAttr(), react()],
   resolve: {
     alias: {