Fix back navigation when coming from direct shared timestamp links

web/src/pages/Events.tsx

@@ -280,6 +280,7 @@ export default function Events() {
         // this pattern is also used LiveCameraView to enter recording view
         severity: "alert",
         timelineType: notificationTab,
+        navigationSource: "shared-link",
       },
       true,
     );

web/src/types/record.ts

@@ -40,6 +40,7 @@ export type RecordingStartingPoint = {
   startTime: number;
   severity: ReviewSeverity;
   timelineType?: TimelineType;
+  navigationSource?: "shared-link";
 };
 
 export type RecordingPlayerError = "stalled" | "startup";

web/src/views/recording/RecordingView.tsx

@@ -349,6 +349,16 @@ export function RecordingView({
     [location.pathname, mainCamera, t],
   );
 
+  const handleBack = useCallback(() => {
+    // if we came from a direct share link, there is no history to go back to, so navigate to the homepage instead
+    if (recording?.navigationSource === "shared-link") {
+      navigate("/");
+      return;
+    }
+
+    navigate(-1);
+  }, [navigate, recording?.navigationSource]);
+
   useEffect(() => {
     if (!scrubbing) {
       if (Math.abs(currentTime - playerTime) > 10) {
@@ -599,7 +609,7 @@ export function RecordingView({
               className="flex items-center gap-2.5 rounded-lg"
               aria-label={t("label.back", { ns: "common" })}
               size="sm"
-              onClick={() => navigate(-1)}
+              onClick={handleBack}
             >
               <IoMdArrowRoundBack className="size-5 text-secondary-foreground" />
               {isDesktop && (