feat(platform): export vehicle coverage results

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

@@ -711,6 +711,93 @@ test('shows vehicle service result summary on vehicle list filters', async () =>
   expect(screen.getByText('补齐 YUTONG_MQTT 来源')).toBeInTheDocument();
 });
 
+test('exports current vehicle coverage page as csv', async () => {
+  window.history.replaceState(null, '', '/#/vehicles?missingProtocol=YUTONG_MQTT');
+  const createObjectURL = vi.spyOn(URL, 'createObjectURL').mockReturnValue('blob:vehicle-coverage');
+  const revokeObjectURL = vi.spyOn(URL, 'revokeObjectURL').mockImplementation(() => undefined);
+  vi.spyOn(HTMLAnchorElement.prototype, 'click').mockImplementation(() => undefined);
+  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, activeConnections: 0, capacityFindings: [], redisOnlineKeys: 0, tdengineWritable: true, mysqlWritable: true, runtime: { requestTimeoutMs: 5000 } },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicles/coverage/summary')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            totalVehicles: 1,
+            onlineVehicles: 1,
+            singleSourceVehicles: 1,
+            multiSourceVehicles: 0,
+            noDataVehicles: 0,
+            unboundVehicles: 0,
+            archiveIncompleteVehicles: 0,
+            archiveMissingFields: [],
+            missingSources: [{ protocol: 'YUTONG_MQTT', count: 1 }]
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicles/coverage')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            items: [{
+              vin: 'VIN-EXPORT-VEHICLE',
+              plate: '粤A车辆导出',
+              phone: '13307795425',
+              oem: 'G7s',
+              protocols: ['JT808'],
+              missingProtocols: ['YUTONG_MQTT'],
+              sourceStatus: [{ protocol: 'JT808', online: true, lastSeen: '2026-07-03 20:12:10', hasRealtime: true, hasHistory: true, hasRaw: true, hasMileage: true }],
+              sourceCount: 1,
+              onlineSourceCount: 1,
+              online: true,
+              lastSeen: '2026-07-03 20:12:10',
+              bindingStatus: 'bound',
+              serviceStatus: { status: 'degraded', severity: 'warning', title: '来源不完整', detail: '缺少 YUTONG_MQTT', sourceCount: 1, onlineSourceCount: 1 },
+              sourceConsistency: { sourceCount: 1, onlineSourceCount: 1, locatedSourceCount: 1, missingProtocols: ['YUTONG_MQTT'], mileageDeltaKm: 0, sourceTimeDeltaSeconds: 0, scope: 'overview', status: 'degraded', severity: 'warning', title: '来源不完整', detail: '缺少 YUTONG_MQTT' }
+            }],
+            total: 1,
+            limit: 20,
+            offset: 0
+          },
+          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 />);
+
+  expect(await screen.findByText('VIN-EXPORT-VEHICLE')).toBeInTheDocument();
+  expect(screen.getByText('当前页 1 辆')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: '导出车辆当前页 CSV' }));
+
+  expect(createObjectURL).toHaveBeenCalled();
+  expect(revokeObjectURL).toHaveBeenCalledWith('blob:vehicle-coverage');
+});
+
 test('filters vehicle list from recommended action', async () => {
   window.history.replaceState(null, '', '/#/vehicles');
   const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {