feat(platform): expose coverage service status

vehicle-data-platform/apps/web/src/api/types.ts

@@ -56,6 +56,7 @@ export interface VehicleCoverageRow {
   online: boolean;
   lastSeen: string;
   bindingStatus: string;
+  serviceStatus?: VehicleServiceStatus;
 }
 
 export interface VehicleIdentityResolution {

vehicle-data-platform/apps/web/src/pages/Vehicles.tsx

@@ -7,6 +7,12 @@ import { PageHeader } from '../components/PageHeader';
 import { StatusTag } from '../components/StatusTag';
 
 function vehicleServiceStatus(row: VehicleCoverageRow) {
+  if (row.serviceStatus) {
+    return {
+      label: row.serviceStatus.title,
+      color: row.serviceStatus.severity === 'ok' ? 'green' as const : row.serviceStatus.severity === 'error' ? 'red' as const : 'orange' as const
+    };
+  }
   if (row.bindingStatus !== 'bound') {
     return { label: '身份未绑定', color: 'orange' as const };
   }

vehicle-data-platform/apps/web/src/test/App.test.tsx

@@ -303,11 +303,19 @@ test('shows vehicle service status in vehicle list', async () => {
               phone: '13307795425',
               oem: 'G7s',
               protocols: ['GB32960', 'JT808'],
-              sourceCount: 2,
+              sourceCount: 1,
               onlineSourceCount: 1,
               online: true,
               lastSeen: '2026-07-03 20:12:10',
-              bindingStatus: 'bound'
+              bindingStatus: 'bound',
+              serviceStatus: {
+                status: 'degraded',
+                severity: 'warning',
+                title: '部分来源离线',
+                detail: '由车辆服务 API 统一判定',
+                sourceCount: 2,
+                onlineSourceCount: 1
+              }
             }],
             total: 1,
             limit: 20,