feat(web): 新增前端预警列表页面与服务层。实现前端预警列表展示页、WebSocket 订阅服务和全局预警状态管理。

apps/web/src/router/index.js

@@ -1,11 +1,26 @@
 import { createRouter, createWebHistory } from 'vue-router'
 import Home from '@/views/Home.vue'
+import AlertList from '@/views/AlertList.vue'
+import Layout from '@/layouts/MainLayout.vue'
 
 const routes = [
   {
     path: '/',
-    name: 'Home',
-    component: Home
+    component: Layout,
+    children: [
+      {
+        path: '',
+        name: 'Home',
+        component: Home,
+        meta: { title: '模型检测', icon: 'VideoCamera', keepAlive: true }
+      },
+      {
+        path: '/alerts',
+        name: 'AlertList',
+        component: AlertList,
+        meta: { title: '预警列表', icon: 'WarningFilled', keepAlive: true }
+      }
+    ]
   }
 ]
 
@@ -14,4 +29,4 @@ const router = createRouter({
   routes
 })
 
-export default router
+export default router