feat(web): AI 管理端 3 页面 — Prompt/分析历史/用量统计

- API 封装: prompts.ts / analysis.ts / usage.ts
- AiPromptList: CRUD + 激活/回滚 + AuthButton 权限
- AiAnalysisList: 历史列表 + 行展开查看结果
- AiUsageDashboard: 总次数/类型分布统计卡片
- 菜单注册 + 路由配置 (MainLayout + App.tsx)

apps/web/src/App.tsx

@@ -40,6 +40,9 @@ const PointsProductList = lazy(() => import('./pages/health/PointsProductList'))
 const PointsOrderList = lazy(() => import('./pages/health/PointsOrderList'));
 const OfflineEventList = lazy(() => import('./pages/health/OfflineEventList'));
 const StatisticsDashboard = lazy(() => import('./pages/health/StatisticsDashboard'));
+const AiPromptList = lazy(() => import('./pages/health/AiPromptList'));
+const AiAnalysisList = lazy(() => import('./pages/health/AiAnalysisList'));
+const AiUsageDashboard = lazy(() => import('./pages/health/AiUsageDashboard'));
 
 function PrivateRoute({ children }: { children: React.ReactNode }) {
   const isAuthenticated = useAuthStore((s) => s.isAuthenticated);
@@ -186,6 +189,9 @@ export default function App() {
                       <Route path="/health/points-products" element={<PointsProductList />} />
                       <Route path="/health/points-orders" element={<PointsOrderList />} />
                       <Route path="/health/offline-events" element={<OfflineEventList />} />
+                      <Route path="/health/ai-prompts" element={<AiPromptList />} />
+                      <Route path="/health/ai-analysis" element={<AiAnalysisList />} />
+                      <Route path="/health/ai-usage" element={<AiUsageDashboard />} />
                     </Routes>
                   </Suspense>
               </ErrorBoundary>