feat(platform-web): use lightweight overview for vehicle context

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

@@ -1,7 +1,7 @@
 import { useCallback, useEffect, useState } from 'react';
 import { Toast } from '@douyinfe/semi-ui';
 import { api } from './api/client';
-import type { VehicleServiceStatus } from './api/types';
+import type { VehicleServiceOverview, VehicleServiceStatus } from './api/types';
 import { buildAppHash, parseAppHash } from './domain/appRoute';
 import { AppShell, type PageKey } from './layout/AppShell';
 import { Dashboard } from './pages/Dashboard';
@@ -28,11 +28,12 @@ export default function App() {
     if (!lookupKey) {
       return undefined;
     }
-    const resolved = await api.vehicleResolve(new URLSearchParams({ keyword: lookupKey }));
-    const nextKey = resolved.resolved && resolved.vin ? resolved.vin : lookupKey;
-    setCurrentVehicleStatus(resolved.serviceStatus);
-    setCurrentVehicleLabel(resolved.resolved ? [resolved.plate, resolved.vin || nextKey].filter(Boolean).join(' / ') : lookupKey);
-    return { resolved, nextKey };
+    const overview = await api.vehicleServiceOverview(new URLSearchParams({ keyword: lookupKey }));
+    const nextKey = overview.vin || lookupKey;
+    const resolved = Boolean(overview.vin);
+    setCurrentVehicleStatus(serviceStatusFromOverview(overview));
+    setCurrentVehicleLabel(resolved ? [overview.plate, overview.vin || nextKey].filter(Boolean).join(' / ') : lookupKey);
+    return { resolved, nextKey, overview };
   }, []);
 
   const refreshOpsHealth = useCallback((showError = true) => {
@@ -120,7 +121,7 @@ export default function App() {
       setActiveProtocol(nextProtocol);
       setActivePage('detail');
       replaceHash('detail', nextKey, nextProtocol);
-      if (!resolved?.resolved) {
+      if (!resolved) {
         Toast.warning('未匹配到车辆身份，已打开问题排查视图');
       }
     } catch (error) {
@@ -179,3 +180,56 @@ export default function App() {
     </AppShell>
   );
 }
+
+function serviceStatusFromOverview(overview: VehicleServiceOverview): VehicleServiceStatus {
+  const sourceCount = overview.sourceCount;
+  const onlineSourceCount = overview.onlineSourceCount;
+  if (!overview.vin) {
+    return {
+      status: 'identity_required',
+      severity: 'warning',
+      title: '身份未绑定',
+      detail: '车辆关键词暂未解析到 VIN，需先维护身份绑定后才能形成完整车辆服务。',
+      sourceCount,
+      onlineSourceCount
+    };
+  }
+  if (sourceCount <= 0) {
+    return {
+      status: 'no_data',
+      severity: 'warning',
+      title: '暂无数据来源',
+      detail: '车辆已解析，但暂未查询到 32960、808 或 MQTT 数据来源。',
+      sourceCount,
+      onlineSourceCount
+    };
+  }
+  if (onlineSourceCount <= 0) {
+    return {
+      status: 'offline',
+      severity: 'error',
+      title: '车辆离线',
+      detail: '所有已知数据来源均未在线，需要检查平台转发、终端上报或链路状态。',
+      sourceCount,
+      onlineSourceCount
+    };
+  }
+  if (onlineSourceCount < sourceCount) {
+    return {
+      status: 'degraded',
+      severity: 'warning',
+      title: '部分来源离线',
+      detail: `${onlineSourceCount}/${sourceCount} 个来源在线，车辆服务可用但需要关注离线来源。`,
+      sourceCount,
+      onlineSourceCount
+    };
+  }
+  return {
+    status: 'healthy',
+    severity: 'ok',
+    title: '服务正常',
+    detail: `${onlineSourceCount}/${sourceCount} 个来源在线，全部已知来源在线。`,
+    sourceCount,
+    onlineSourceCount
+  };
+}