feat(platform): show active realtime filters

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

@@ -32,6 +32,18 @@ function sourceEvidenceText(row: VehicleRealtimeRow) {
   return `${row.onlineSourceCount}/${row.sourceCount} 来源在线`;
 }
 
+const onlineLabel: Record<string, string> = {
+  online: '在线',
+  offline: '离线'
+};
+
+const serviceStatusLabel: Record<string, string> = {
+  healthy: '服务正常',
+  degraded: '来源不完整',
+  offline: '车辆离线',
+  identity_required: '身份未绑定'
+};
+
 export function Realtime({
   onOpenVehicle,
   onFiltersChange,
@@ -72,6 +84,12 @@ export function Realtime({
     onFiltersChange?.(nextFilters);
     load(nextFilters, 1, pagination.pageSize);
   };
+  const filterSummary = [
+    filters.keyword ? `关键词：${filters.keyword}` : '',
+    filters.protocol ? `数据来源：${filters.protocol}` : '',
+    filters.online ? `在线：${onlineLabel[filters.online] ?? filters.online}` : '',
+    filters.serviceStatus ? `服务状态：${serviceStatusLabel[filters.serviceStatus] ?? filters.serviceStatus}` : ''
+  ].filter(Boolean);
 
   return (
     <div className="vp-page">
@@ -104,6 +122,16 @@ export function Realtime({
             }}>重置</Button>
           </Space>
         </Form>
+        {filterSummary.length > 0 ? (
+          <Card bordered title="当前实时筛选" style={{ marginBottom: 12 }}>
+            <Space wrap>
+              {filterSummary.map((item) => (
+                <Tag key={item} color="blue">{item}</Tag>
+              ))}
+              <Button size="small" onClick={() => applyFilters({})}>清空筛选</Button>
+            </Space>
+          </Card>
+        ) : null}
         <Tabs type="line">
           <Tabs.TabPane tab="表格视图" itemKey="table">
             {rows.length === 0 && !loading ? (

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

@@ -3196,6 +3196,45 @@ test('loads realtime vehicles from shareable source filter hash', async () => {
   expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/realtime/vehicles?limit=50&offset=0&keyword=%E7%B2%A4ART002&protocol=JT808&online=online&serviceStatus=degraded'), undefined);
 });
 
+test('shows and clears current realtime service filters', async () => {
+  window.history.replaceState(null, '', '/#/realtime?keyword=%E7%B2%A4ART002&protocol=JT808&online=online&serviceStatus=degraded');
+  const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/realtime/vehicles')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: { items: [], total: 1, limit: 50, offset: 0 },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: { items: [], total: 0, limit: 10, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  expect(await screen.findByText('当前实时筛选')).toBeInTheDocument();
+  expect(screen.getByText('关键词：粤ART002')).toBeInTheDocument();
+  expect(screen.getByText('数据来源：JT808')).toBeInTheDocument();
+  expect(screen.getByText('在线：在线')).toBeInTheDocument();
+  expect(screen.getByText('服务状态：来源不完整')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: '清空筛选' }));
+
+  await waitFor(() => {
+    expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/realtime/vehicles?limit=50&offset=0'), undefined);
+  });
+  expect(window.location.hash).toBe('#/realtime');
+});
+
 test('updates realtime hash when source filters are submitted', async () => {
   window.history.replaceState(null, '', '/#/realtime');
   const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {