feat(platform): preserve customer time window in tasks

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

@@ -445,13 +445,36 @@ export default function App() {
     replaceHash('mileage', keyword ?? nextVin, protocol ?? nextProtocol, restFilters);
   };
 
+  const currentCustomerTaskTimeWindow = () => {
+    const candidates = activePage === 'mileage'
+      ? [mileageFilters, historyFilters, qualityFilters]
+      : activePage === 'history' || activePage === 'history-query'
+        ? [historyFilters, mileageFilters, qualityFilters]
+        : activePage === 'alert-events' || activePage === 'quality'
+          ? [qualityFilters, historyFilters, mileageFilters]
+          : [historyFilters, mileageFilters, qualityFilters];
+    for (const filters of candidates) {
+      const dateFrom = filters.dateFrom?.trim();
+      const dateTo = filters.dateTo?.trim();
+      if (dateFrom || dateTo) {
+        return {
+          ...(dateFrom ? { dateFrom } : {}),
+          ...(dateTo ? { dateTo } : {})
+        };
+      }
+    }
+    return {};
+  };
+
   const openCustomerTask = (page: PageKey) => {
     const keyword = (activeVin || analysisVin).trim();
     const protocol = activeProtocol.trim();
+    const timeWindow = currentCustomerTaskTimeWindow();
     if (!keyword) {
       navigatePage(page);
       return;
     }
+    const scopedFilters = { keyword, protocol, ...timeWindow };
     if (page === 'map') {
       openMap({ keyword, protocol });
       return;
@@ -461,19 +484,19 @@ export default function App() {
       return;
     }
     if (page === 'history') {
-      openHistoryWithFilters({ keyword, protocol });
+      openHistoryWithFilters(scopedFilters);
       return;
     }
     if (page === 'history-query') {
-      openRawWithFilters({ keyword, protocol, tab: 'raw' });
+      openRawWithFilters({ ...scopedFilters, tab: 'raw' });
       return;
     }
     if (page === 'mileage') {
-      openMileageWithFilters({ keyword, protocol });
+      openMileageWithFilters(scopedFilters);
       return;
     }
     if (page === 'alert-events' || page === 'quality') {
-      openQuality({ keyword, protocol });
+      openQuality(scopedFilters);
       return;
     }
     navigatePage(page);
@@ -522,7 +545,9 @@ function qualityFiltersFromRoute(route: ReturnType<typeof parseAppHash>): Record
   return {
     ...(route.keyword ? { keyword: route.keyword } : {}),
     ...(route.protocol ? { protocol: route.protocol } : {}),
-    ...(route.filters?.issueType ? { issueType: route.filters.issueType } : {})
+    ...(route.filters?.issueType ? { issueType: route.filters.issueType } : {}),
+    ...(route.filters?.dateFrom ? { dateFrom: route.filters.dateFrom } : {}),
+    ...(route.filters?.dateTo ? { dateTo: route.filters.dateTo } : {})
   };
 }
 

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

@@ -14,6 +14,23 @@ const emptySummary: MileageSummary = {
   averageMileagePerVin: 0
 };
 
+function numberOrZero(value: unknown) {
+  const numeric = Number(value);
+  return Number.isFinite(numeric) ? numeric : 0;
+}
+
+function normalizeMileageSummary(summary?: Partial<MileageSummary> | null): MileageSummary {
+  return {
+    ...emptySummary,
+    ...(summary ?? {}),
+    vehicleCount: numberOrZero(summary?.vehicleCount),
+    recordCount: numberOrZero(summary?.recordCount),
+    sourceCount: numberOrZero(summary?.sourceCount),
+    totalMileageKm: numberOrZero(summary?.totalMileageKm),
+    averageMileagePerVin: numberOrZero(summary?.averageMileagePerVin)
+  };
+}
+
 const emptyOnlineSummary: OnlineStatisticsSummary = {
   vehicleCount: 0,
   onlineVehicleCount: 0,
@@ -940,7 +957,7 @@ export function Mileage({
   const loadSummary = (values: Record<string, string> = filters) => {
     setSummaryLoading(true);
     api.mileageSummary(mileageParams(values))
-      .then((nextSummary) => setSummary(nextSummary ?? emptySummary))
+      .then((nextSummary) => setSummary(normalizeMileageSummary(nextSummary)))
       .catch((error: Error) => Toast.error(error.message))
       .finally(() => setSummaryLoading(false));
     api.onlineStatisticsSummary(mileageParams(values))

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

@@ -6488,7 +6488,7 @@ test('shows vehicle context when opening detail from sidebar navigation', async
 });
 
 test('applies protocol from shareable history hash to API requests', async () => {
-  window.history.replaceState(null, '', '/#/history?keyword=%E7%B2%A4AG18312&protocol=JT808');
+  window.history.replaceState(null, '', '/#/history?keyword=%E7%B2%A4AG18312&protocol=JT808&dateFrom=2026-07-01&dateTo=2026-07-03');
   const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input, init) => {
     const path = String(input);
     if (path.includes('/api/ops/health')) {
@@ -6517,12 +6517,21 @@ test('applies protocol from shareable history hash to API requests', async () =>
     expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('/api/history/locations?'), undefined);
   });
   expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('protocol=JT808'), undefined);
+  expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('dateFrom=2026-07-01'), undefined);
+  expect(fetchMock).toHaveBeenCalledWith(expect.stringContaining('dateTo=2026-07-03'), undefined);
   expect(fetchMock).toHaveBeenCalledWith('/api/history/raw-frames/query', expect.objectContaining({
     method: 'POST',
     body: expect.stringContaining('"protocol":"JT808"')
   }));
   expect(screen.getByText('当前车辆：粤AG18312')).toBeInTheDocument();
   expect(screen.getAllByText('数据通道：JT808').length).toBeGreaterThan(0);
+
+  fireEvent.click(screen.getByRole('button', { name: '顶部统计查询' }));
+  expect(window.location.hash).toBe('#/mileage?keyword=%E7%B2%A4AG18312&protocol=JT808&dateFrom=2026-07-01&dateTo=2026-07-03');
+  fireEvent.click(screen.getByRole('button', { name: '顶部数据导出' }));
+  expect(window.location.hash).toBe('#/history-query?keyword=%E7%B2%A4AG18312&protocol=JT808&tab=raw&dateFrom=2026-07-01&dateTo=2026-07-03');
+  fireEvent.click(await screen.findByRole('button', { name: '顶部告警事件正常' }));
+  expect(window.location.hash).toBe('#/alert-events?keyword=%E7%B2%A4AG18312&protocol=JT808&dateFrom=2026-07-01&dateTo=2026-07-03');
 });
 
 test('shows and clears current history filters while keeping vehicle scope', async () => {