feat(platform): link trajectory playback selection

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

@@ -109,6 +109,10 @@ function timeValue(row?: HistoryLocationRow) {
   return Number.isFinite(ms) ? ms : undefined;
 }
 
+function playbackPointId(row: HistoryLocationRow, index: number) {
+  return `${row.vin || 'unknown'}-${row.deviceTime || row.serverTime || row.lastSeen || index}-${index}`;
+}
+
 function formatDurationMinutes(value?: number, suffix = '') {
   if (!isFiniteNumber(value)) return '-';
   if (value < 1) return `${Math.round(value * 60)} 秒${suffix}`;
@@ -444,9 +448,10 @@ export function History({
   const playbackRows = validLocations.length > 0 ? validLocations : locationItems;
   const currentPlaybackIndex = playbackRows.length === 0 ? -1 : Math.min(playbackIndex, playbackRows.length - 1);
   const currentPlayback = currentPlaybackIndex >= 0 ? playbackRows[currentPlaybackIndex] : undefined;
+  const currentPlaybackPointId = currentPlayback ? playbackPointId(currentPlayback, currentPlaybackIndex) : undefined;
   const playbackAtEnd = playbackRows.length > 0 && currentPlaybackIndex >= playbackRows.length - 1;
   const playbackPoints: VehicleMapPoint[] = validLocations.map((row, index) => ({
-    id: `${row.vin}-${row.deviceTime || row.serverTime || index}`,
+    id: playbackPointId(row, index),
     label: row.plate || row.vin || `点 ${index + 1}`,
     longitude: row.longitude,
     latitude: row.latitude,
@@ -539,6 +544,17 @@ export function History({
     setPlaybackPlaying(false);
     setPlaybackIndex((current) => Math.min(Math.max(current + delta, 0), playbackRows.length - 1));
   };
+  const selectPlaybackPoint = (nextIndex: number) => {
+    if (playbackRows.length === 0) return;
+    setPlaybackPlaying(false);
+    setPlaybackIndex(Math.min(Math.max(nextIndex, 0), playbackRows.length - 1));
+  };
+  const selectPlaybackMapPoint = (point: VehicleMapPoint) => {
+    const index = playbackRows.findIndex((row, rowIndex) => playbackPointId(row, rowIndex) === point.id);
+    if (index >= 0) {
+      selectPlaybackPoint(index);
+    }
+  };
   const openPlaybackVehicle = () => {
     if (!currentPlayback || !canOpenVehicle(currentPlayback.vin)) return;
     onOpenVehicle(currentPlayback.vin, currentPlayback.protocol);
@@ -648,6 +664,8 @@ export function History({
             <VehicleMap
               points={playbackPoints}
               mode="track"
+              selectedId={currentPlaybackPointId}
+              onPointSelect={selectPlaybackMapPoint}
               fallbackLabel="高德地图未配置，显示轨迹坐标预览"
             />
           </div>
@@ -663,7 +681,7 @@ export function History({
                 <div className="vp-monitor-metric-value">{item.value}</div>
               </div>
             ))}
-            <div className="vp-playback-current">
+          <div className="vp-playback-current">
               <div className="vp-map-service-queue-title">当前回放点</div>
               {currentPlayback ? (
                 <>
@@ -703,6 +721,16 @@ export function History({
                     <Button size="small" disabled={currentPlaybackIndex >= playbackRows.length - 1} onClick={() => movePlayback(1)}>下一点</Button>
                     <Button size="small" disabled={!canOpenVehicle(currentPlayback.vin)} onClick={openPlaybackVehicle}>回放点车辆服务</Button>
                   </Space>
+                  <input
+                    className="vp-playback-range"
+                    aria-label="轨迹回放进度"
+                    type="range"
+                    min={0}
+                    max={Math.max(playbackRows.length - 1, 0)}
+                    step={1}
+                    value={currentPlaybackIndex}
+                    onChange={(event) => selectPlaybackPoint(Number(event.currentTarget.value))}
+                  />
                 </>
               ) : (
                 <Typography.Text type="tertiary">暂无可回放位置点</Typography.Text>
@@ -712,7 +740,13 @@ export function History({
         </div>
         <div className="vp-playback-timeline">
           {(validLocations.length > 0 ? validLocations : locationItems).slice(0, 8).map((row, index) => (
-            <div key={`${row.deviceTime}-${index}`} className="vp-playback-step">
+            <button
+              key={`${row.deviceTime}-${index}`}
+              type="button"
+              className={`vp-playback-step ${index === currentPlaybackIndex ? 'vp-playback-step-active' : ''}`}
+              aria-label={`选择轨迹点 ${index + 1}`}
+              onClick={() => selectPlaybackPoint(index)}
+            >
               <Tag color={index === 0 ? 'green' : index === Math.min((validLocations.length || locationItems.length), 8) - 1 ? 'orange' : 'blue'}>
                 {index === 0 ? '起点' : index === Math.min((validLocations.length || locationItems.length), 8) - 1 ? '终点' : `点 ${index + 1}`}
               </Tag>
@@ -720,7 +754,7 @@ export function History({
               <Typography.Text type="secondary">
                 {formatNumber(row.speedKmh, ' km/h')} / {formatNumber(row.totalMileageKm, ' km')}
               </Typography.Text>
-            </div>
+            </button>
           ))}
           {locationItems.length === 0 ? (
             <Typography.Text type="secondary">当前筛选范围暂无轨迹点，请调整车辆、来源或时间范围。</Typography.Text>

vehicle-data-platform/apps/web/src/styles/global.css

@@ -687,11 +687,33 @@ body {
 }
 
 .vp-playback-step {
+  text-align: left;
   min-height: 112px;
   padding: 12px;
   border: 1px solid var(--vp-border);
   border-radius: var(--vp-radius);
   background: #fbfcff;
+  color: inherit;
+  cursor: pointer;
+  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
+}
+
+.vp-playback-step:hover,
+.vp-playback-step:focus-visible {
+  border-color: rgba(22, 100, 255, 0.42);
+  box-shadow: 0 0 0 3px rgba(22, 100, 255, 0.08);
+  outline: none;
+}
+
+.vp-playback-step-active {
+  border-color: rgba(22, 100, 255, 0.72);
+  background: #eef5ff;
+  box-shadow: inset 3px 0 0 #1664ff;
+}
+
+.vp-playback-range {
+  width: 100%;
+  accent-color: #1664ff;
 }
 
 .vp-json {

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

@@ -5843,6 +5843,15 @@ test('controls trajectory playback current point from history locations', async
   fireEvent.click(screen.getByRole('button', { name: '下一点' }));
   expect(screen.getByText('点 2 / 3')).toBeInTheDocument();
   expect(screen.getAllByText('2026-07-03 10:10:00').length).toBeGreaterThan(0);
+  fireEvent.click(screen.getByRole('button', { name: '选择轨迹点 3' }));
+  expect(screen.getByText('点 3 / 3')).toBeInTheDocument();
+  fireEvent.change(screen.getByRole('slider', { name: '轨迹回放进度' }), { target: { value: '0' } });
+  expect(screen.getByText('点 1 / 3')).toBeInTheDocument();
+  const mapPointButtons = screen.getAllByRole('button', { name: '选择地图车辆 粤A回放1' });
+  fireEvent.click(mapPointButtons[0]);
+  expect(screen.getByText('点 1 / 3')).toBeInTheDocument();
+  fireEvent.click(mapPointButtons[1]);
+  expect(screen.getByText('点 2 / 3')).toBeInTheDocument();
   fireEvent.click(screen.getByRole('button', { name: '上一点' }));
   expect(screen.getByText('点 1 / 3')).toBeInTheDocument();
   fireEvent.click(screen.getByRole('button', { name: '回放点车辆服务' }));