feat(web): 实时告警仪表盘页面 + SSE Hook + 告警详情面板

- 新增 AlertDashboard 页面：实时告警列表 + 统计摘要 + 详情面板
- 新增 useAlertSSE Hook：封装 SSE 连接、自动重连、事件分发
- 新增 AlertDetailPanel 组件：告警详情展示 + 确认/忽略/恢复操作
- alertApi.list 添加 doctor_id 参数支持
- 注册 /health/alert-dashboard 路由 + 面包屑映射

apps/web/src/App.tsx

@@ -45,6 +45,7 @@ const AiPromptList = lazy(() => import('./pages/health/AiPromptList'));
 const AiAnalysisList = lazy(() => import('./pages/health/AiAnalysisList'));
 const AiUsageDashboard = lazy(() => import('./pages/health/AiUsageDashboard'));
 const AlertList = lazy(() => import('./pages/health/AlertList'));
+const AlertDashboard = lazy(() => import('./pages/health/AlertDashboard'));
 const AlertRuleList = lazy(() => import('./pages/health/AlertRuleList'));
 
 // 内容管理
@@ -249,6 +250,7 @@ export default function App() {
                       <Route path="/health/ai-analysis" element={<AiAnalysisList />} />
                       <Route path="/health/ai-usage" element={<AiUsageDashboard />} />
                       <Route path="/health/alerts" element={<AlertList />} />
+                      <Route path="/health/alert-dashboard" element={<AlertDashboard />} />
                       <Route path="/health/alert-rules" element={<AlertRuleList />} />
                       {/* 内容管理 */}
                       <Route path="/health/articles" element={<ArticleManageList />} />