feat(platform-web): link summary kpis to vehicle filters

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

@@ -123,6 +123,60 @@ test('dashboard renders vehicle service summary metrics', async () => {
   expect(fetchMock).toHaveBeenCalledWith('/api/vehicle-service/summary', undefined);
 });
 
+test('opens vehicle list filtered by service summary KPI', async () => {
+  window.history.replaceState(null, '', '/#/dashboard');
+  const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/dashboard/summary')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: { onlineVehicles: 3, activeToday: 4, frameToday: 1286320, issueVehicles: 7, kafkaLag: 0, protocols: [], serviceStatuses: [], linkHealth: [] },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicle-service/summary')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            totalVehicles: 1033,
+            boundVehicles: 1024,
+            onlineVehicles: 208,
+            singleSourceVehicles: 391,
+            multiSourceVehicles: 181,
+            noDataVehicles: 461,
+            identityRequiredVehicles: 9,
+            serviceStatuses: [],
+            protocols: []
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: { items: [], total: 0, limit: 20, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  fireEvent.click(await screen.findByRole('button', { name: /多源车辆/ }));
+
+  await waitFor(() => {
+    expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/vehicles/coverage?limit=20&offset=0&coverage=multi'), undefined);
+  });
+  expect(window.location.hash).toBe('#/vehicles?coverage=multi');
+});
+
 test('shows resolved vehicle service status after topbar search', async () => {
   window.history.replaceState(null, '', '/#/dashboard');
   const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {