fix(platform): align topbar missing source status

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

@@ -417,6 +417,7 @@ function normalizeHistoryFilterValues(filters: Record<string, unknown> = {}): Re
 function serviceStatusFromOverview(overview: VehicleServiceOverview): VehicleServiceStatus {
   const sourceCount = overview.sourceCount;
   const onlineSourceCount = overview.onlineSourceCount;
+  const missingProtocols = overview.sourceConsistency?.missingProtocols ?? [];
   if (!overview.vin) {
     return {
       status: 'identity_required',
@@ -447,6 +448,16 @@ function serviceStatusFromOverview(overview: VehicleServiceOverview): VehicleSer
       onlineSourceCount
     };
   }
+  if (missingProtocols.length > 0) {
+    return {
+      status: 'degraded',
+      severity: 'warning',
+      title: '来源不完整',
+      detail: `${onlineSourceCount}/${sourceCount} 个来源在线，车辆服务可用但缺少 ${missingProtocols.join('、')} 来源。`,
+      sourceCount,
+      onlineSourceCount
+    };
+  }
   if (onlineSourceCount < sourceCount) {
     return {
       status: 'degraded',

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

@@ -619,25 +619,18 @@ test('shows resolved vehicle service status after topbar search', async () => {
             rawCount: 0,
             mileageCount: 0,
             qualityIssueCount: 0,
-            serviceStatus: {
-              status: 'degraded',
-              severity: 'warning',
-              title: '后端判定部分离线',
-              detail: '后端统一车辆服务状态',
-              sourceCount: 2,
-              onlineSourceCount: 1
-            },
             sourceConsistency: {
               sourceCount: 2,
               onlineSourceCount: 1,
               locatedSourceCount: 2,
+              missingProtocols: ['YUTONG_MQTT'],
               mileageDeltaKm: 0,
               sourceTimeDeltaSeconds: 0,
               scope: 'all_sources',
               status: 'degraded',
               severity: 'warning',
-              title: '部分来源离线',
-              detail: '1/2 个来源在线，车辆服务可用但需要关注离线来源。'
+              title: '来源不完整',
+              detail: '1/2 个来源在线，车辆服务可用但缺少 YUTONG_MQTT 来源。'
             }
           },
           traceId: 'trace-test',
@@ -681,9 +674,9 @@ test('shows resolved vehicle service status after topbar search', async () => {
   fireEvent.change(screen.getByPlaceholderText('搜索 VIN / 车牌 / 手机号'), { target: { value: '粤AG18312' } });
   fireEvent.click(screen.getByRole('button', { name: '查询车辆' }));
 
-  expect(await screen.findByText('当前车辆：后端判定部分离线')).toBeInTheDocument();
+  expect(await screen.findByText('当前车辆：来源不完整')).toBeInTheDocument();
   expect(screen.getByText('粤AG18312 / LB9A32A24R0LS1426')).toBeInTheDocument();
-  expect(screen.getByText('一致性：部分来源离线')).toBeInTheDocument();
+  expect(screen.getByText('一致性：来源不完整')).toBeInTheDocument();
   expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/vehicle-service/overview?keyword=%E7%B2%A4AG18312'), undefined);
   expect(fetchMock).not.toHaveBeenCalledWith(expect.stringContaining('/api/vehicles/resolve'), undefined);
 });