fix(lab): seal RAV004 spatial replay transport

apps/control-station/src/components/laboratory/RecordedEvidenceVideoScene.tsx

@@ -28,6 +28,7 @@ export function RecordedEvidenceVideoScene({
   imageWidth,
   imageHeight,
   boxes,
+  overlaySeconds,
   semanticOverlay,
   pointCloudOverlay,
   ariaLabel,
@@ -46,6 +47,7 @@ export function RecordedEvidenceVideoScene({
   imageWidth: number;
   imageHeight: number;
   boxes: readonly RecordedEvidenceBox[];
+  overlaySeconds?: number;
   semanticOverlay?: RecordedEvidenceSemanticOverlay;
   pointCloudOverlay?: RecordedEvidencePointCloudOverlayData;
   ariaLabel: string;
@@ -77,7 +79,8 @@ export function RecordedEvidenceVideoScene({
   const sourceReady = admissionPhase === "ready";
   const overlaysPresented = sourceReady
     && presentedSeconds !== null
-    && Math.abs(presentedSeconds - playback.currentSeconds) <= 0.25;
+    && Math.abs(presentedSeconds - playback.currentSeconds) <= 0.25
+    && (overlaySeconds === undefined || Math.abs(presentedSeconds - overlaySeconds) <= 0.25);
   const handlePlaybackChange = (next: RecordedObservationPlayback) => {
     setPresentedSeconds(next.currentSeconds);
     // During a paused operator seek the existing media element can emit its old