feat(platform-web): summarize vehicle list results

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

@@ -177,6 +177,74 @@ test('opens vehicle list filtered by service summary KPI', async () => {
   expect(window.location.hash).toBe('#/vehicles?coverage=multi');
 });
 
+test('shows vehicle service result summary on vehicle list filters', async () => {
+  window.history.replaceState(null, '', '/#/vehicles?coverage=multi');
+  vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/ops/health')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: { linkHealth: [], kafkaLag: 0, redisOnlineKeys: 0, tdengineWritable: true, mysqlWritable: true, runtime: { requestTimeoutMs: 5000 } },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicles/coverage')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            items: [{
+              vin: 'VIN-MULTI-001',
+              plate: '粤A服务1',
+              phone: '13307795425',
+              oem: 'G7s',
+              protocols: ['GB32960', 'JT808'],
+              sourceCount: 2,
+              onlineSourceCount: 1,
+              online: true,
+              lastSeen: '2026-07-03 20:12:10',
+              bindingStatus: 'bound',
+              serviceStatus: {
+                status: 'degraded',
+                severity: 'warning',
+                title: '部分来源离线',
+                detail: '1/2 个来源在线',
+                sourceCount: 2,
+                onlineSourceCount: 1
+              }
+            }],
+            total: 181,
+            limit: 20,
+            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('当前车辆结果')).toBeInTheDocument();
+  expect(screen.getByText('181')).toBeInTheDocument();
+  expect(screen.getByText('过滤车辆')).toBeInTheDocument();
+  expect(screen.getByText('本页在线')).toBeInTheDocument();
+  expect(screen.getByText('本页多源')).toBeInTheDocument();
+  expect(screen.getByText('VIN-MULTI-001')).toBeInTheDocument();
+});
+
 test('shows resolved vehicle service status after topbar search', async () => {
   window.history.replaceState(null, '', '/#/dashboard');
   const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {