feat(platform): frame navigation around vehicle monitoring

vehicle-data-platform/apps/web/src/layout/AppShell.tsx

@@ -29,11 +29,11 @@ export type CustomerView = {
 
 const navGroups = [
   {
-    title: '实时运营',
+    title: '车辆监控',
     audience: '客户',
-    description: '地图看车、在线监控、异常优先',
+    description: '地图看车、实时状态、异常优先',
     items: [
-      { itemKey: 'dashboard', text: '运营总览', icon: <IconHome /> },
+      { itemKey: 'dashboard', text: '车辆总览', icon: <IconHome /> },
       { itemKey: 'map', text: '实时地图', icon: <IconMapPin /> },
       { itemKey: 'realtime', text: '实时监控', icon: <IconActivity /> }
     ]