Use timeline tab by default for notifications but add a query arg for customization

web/src/components/overlay/detail/TrackingDetails.tsx

@@ -221,12 +221,26 @@ export function TrackingDetails({
     displaySource,
   ]);
 
-  const isWithinEventRange =
-    effectiveTime !== undefined &&
-    event.start_time !== undefined &&
-    event.end_time !== undefined &&
-    effectiveTime >= event.start_time &&
-    effectiveTime <= event.end_time;
+  const isWithinEventRange = useMemo(() => {
+    if (effectiveTime === undefined || event.start_time === undefined) {
+      return false;
+    }
+
+    // If an event has not ended yet, fall back to last timestamp in eventSequence
+    let eventEnd = event.end_time;
+    if (eventEnd == null && eventSequence && eventSequence.length > 0) {
+      const last = eventSequence[eventSequence.length - 1];
+      if (last && last.timestamp !== undefined) {
+        eventEnd = last.timestamp;
+      }
+    }
+
+    if (eventEnd == null) {
+      return false;
+    }
+
+    return effectiveTime >= event.start_time && effectiveTime <= eventEnd;
+  }, [effectiveTime, event.start_time, event.end_time, eventSequence]);
 
   // Calculate how far down the blue line should extend based on effectiveTime
   const calculateLineHeight = useCallback(() => {

web/src/components/player/HlsVideoPlayer.tsx

@@ -318,6 +318,7 @@ export default function HlsVideoPlayer({
         {isDetailMode &&
           camera &&
           currentTime &&
+          loadedMetadata &&
           videoDimensions.width > 0 &&
           videoDimensions.height > 0 && (
             <div className="absolute z-50 size-full">

web/src/pages/Events.tsx

@@ -15,6 +15,7 @@ import {
   ReviewSummary,
   SegmentedReviewData,
 } from "@/types/review";
+import { TimelineType } from "@/types/timeline";
 import {
   getBeginningOfDayTimestamp,
   getEndOfDayTimestamp,
@@ -49,6 +50,16 @@ export default function Events() {
     false,
   );
 
+  const [notificationTab, setNotificationTab] =
+    useState<TimelineType>("timeline");
+
+  useSearchEffect("tab", (tab: string) => {
+    if (tab === "timeline" || tab === "events" || tab === "detail") {
+      setNotificationTab(tab as TimelineType);
+    }
+    return true;
+  });
+
   useSearchEffect("id", (reviewId: string) => {
     axios
       .get(`review/${reviewId}`)
@@ -66,7 +77,7 @@ export default function Events() {
               camera: resp.data.camera,
               startTime,
               severity: resp.data.severity,
-              timelineType: "detail",
+              timelineType: notificationTab,
             },
             true,
           );

web/src/types/record.ts

@@ -1,4 +1,5 @@
 import { ReviewSeverity } from "./review";
+import { TimelineType } from "./timeline";
 
 export type Recording = {
   id: string;
@@ -37,7 +38,7 @@ export type RecordingStartingPoint = {
   camera: string;
   startTime: number;
   severity: ReviewSeverity;
-  timelineType?: "timeline" | "events" | "detail";
+  timelineType?: TimelineType;
 };
 
 export type RecordingPlayerError = "stalled" | "startup";