feat(platform): export vehicle service dossier

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

@@ -5271,6 +5271,101 @@ test('copies shareable vehicle service detail link', async () => {
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('/#/detail?keyword=VIN001&protocol=JT808'));
 });
 
+test('exports vehicle detail service dossier as csv', async () => {
+  window.history.replaceState(null, '', '/#/detail?keyword=VIN-REPORT-001&protocol=GB32960');
+  const createObjectURL = vi.spyOn(URL, 'createObjectURL').mockReturnValue('blob:vehicle-report');
+  const revokeObjectURL = vi.spyOn(URL, 'revokeObjectURL').mockImplementation(() => undefined);
+  const click = vi.spyOn(HTMLAnchorElement.prototype, 'click').mockImplementation(() => undefined);
+  const appendChild = vi.spyOn(document.body, 'appendChild');
+  vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/vehicle-service')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            vin: 'VIN-REPORT-001',
+            lookupKey: 'VIN-REPORT-001',
+            lookupResolved: true,
+            serviceOverview: {
+              vin: 'VIN-REPORT-001',
+              plate: '粤A档案导出',
+              phone: '13307795425',
+              oem: 'G7s',
+              protocols: ['GB32960', 'JT808', 'YUTONG_MQTT'],
+              primaryProtocol: 'GB32960',
+              coverageStatus: 'partial',
+              sourceCount: 3,
+              onlineSourceCount: 2,
+              lastSeen: '2026-07-03 20:12:10',
+              realtimeCount: 3,
+              historyCount: 12,
+              rawCount: 34,
+              mileageCount: 7,
+              qualityIssueCount: 1
+            },
+            serviceStatus: {
+              status: 'degraded',
+              severity: 'warning',
+              title: '来源不完整',
+              detail: '2/3 个来源在线',
+              sourceCount: 3,
+              onlineSourceCount: 2
+            },
+            sourceConsistency: {
+              sourceCount: 3,
+              onlineSourceCount: 2,
+              locatedSourceCount: 2,
+              missingProtocols: ['YUTONG_MQTT'],
+              mileageDeltaKm: 1.4,
+              sourceTimeDeltaSeconds: 125,
+              scope: 'vehicle',
+              status: 'degraded',
+              severity: 'warning',
+              title: '来源不完整',
+              detail: 'MQTT 离线，32960 与 808 仍可支撑车辆服务'
+            },
+            sources: ['GB32960', 'JT808', 'YUTONG_MQTT'],
+            sourceStatus: [
+              { protocol: 'GB32960', online: true, lastSeen: '2026-07-03 20:12:10', hasRealtime: true, hasHistory: true, hasRaw: true, hasMileage: true },
+              { protocol: 'JT808', online: true, lastSeen: '2026-07-03 20:12:08', hasRealtime: true, hasHistory: true, hasRaw: true, hasMileage: true },
+              { protocol: 'YUTONG_MQTT', online: false, lastSeen: '2026-07-03 20:10:05', hasRealtime: true, hasHistory: false, hasRaw: true, hasMileage: false }
+            ],
+            realtime: [],
+            history: { items: [], total: 12, limit: 20, offset: 0 },
+            raw: { items: [], total: 34, limit: 10, offset: 0 },
+            mileage: { items: [], total: 7, limit: 20, offset: 0 },
+            quality: { items: [], total: 1, limit: 20, offset: 0 }
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: path.includes('/api/ops/health')
+          ? { linkHealth: [], kafkaLag: 0, redisOnlineKeys: 0, tdengineWritable: true, mysqlWritable: true, runtime: { requestTimeoutMs: 5000 } }
+          : { items: [], total: 0, limit: 10, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  expect(await screen.findByText('车辆服务结论')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: /导出档案 CSV/ }));
+
+  expect(createObjectURL).toHaveBeenCalled();
+  expect(click).toHaveBeenCalled();
+  expect(revokeObjectURL).toHaveBeenCalledWith('blob:vehicle-report');
+  const link = appendChild.mock.calls.find(([node]) => node instanceof HTMLAnchorElement)?.[0] as HTMLAnchorElement | undefined;
+  expect(link?.download).toBe('vehicle-service-VIN-REPORT-001-GB32960.csv');
+});
+
 test('opens history with the currently selected vehicle detail source', async () => {
   window.history.replaceState(null, '', '/#/detail?keyword=VIN001');
   vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {