feat(platform-web): show dashboard coverage filter context

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

@@ -20,6 +20,13 @@ const serviceStatusColor: Record<string, 'green' | 'orange' | 'red' | 'grey'> =
   identity_required: 'orange'
 };
 
+const serviceStatusTitle: Record<string, string> = {
+  healthy: '服务正常',
+  degraded: '部分来源离线',
+  offline: '车辆离线',
+  identity_required: '身份未绑定'
+};
+
 function formatLag(value?: number | null) {
   return value == null ? '未接入' : value.toLocaleString();
 }
@@ -47,9 +54,11 @@ export function Dashboard({ onOpenVehicle, onOpenQuality }: { onOpenVehicle: (vi
   const [qualityIssues, setQualityIssues] = useState<QualityIssueRow[]>([]);
   const [loading, setLoading] = useState(true);
   const [coverageLoading, setCoverageLoading] = useState(false);
+  const [coverageServiceStatusTitle, setCoverageServiceStatusTitle] = useState('');
 
   const loadCoverage = (values?: Record<string, string>) => {
     setCoverageLoading(true);
+    setCoverageServiceStatusTitle(values?.serviceStatus ? serviceStatusTitle[values.serviceStatus] ?? values.serviceStatus : '');
     const params = new URLSearchParams({ limit: '8' });
     if (values?.keyword) params.set('keyword', values.keyword);
     if (values?.coverage) params.set('coverage', values.coverage);
@@ -193,6 +202,11 @@ export function Dashboard({ onOpenVehicle, onOpenQuality }: { onOpenVehicle: (vi
           />
         </Card>
         <Card title="车辆服务覆盖" bordered style={{ marginTop: 16 }}>
+          {coverageServiceStatusTitle ? (
+            <div className="vp-scope-bar" style={{ marginBottom: 12 }}>
+              <Tag color="blue">当前筛选：{coverageServiceStatusTitle}</Tag>
+            </div>
+          ) : null}
           <Form layout="horizontal" onSubmit={(values) => loadCoverage(values as Record<string, string>)} style={{ marginBottom: 12 }}>
             <Form.Input field="keyword" label="关键词" placeholder="VIN / 车牌 / 手机号 / OEM" style={{ width: 240 }} />
             <Form.Select field="coverage" label="来源覆盖" placeholder="全部" style={{ width: 130 }}>

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

@@ -215,6 +215,7 @@ test('filters dashboard coverage by service status', async () => {
   await waitFor(() => {
     expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('serviceStatus=degraded'), undefined);
   });
+  expect(screen.getByText('当前筛选：部分来源离线')).toBeInTheDocument();
 });
 
 test('opens dashboard coverage from service status distribution', async () => {