fixes lol

frontend/src/lib/components/watch/YouTubePlayer.svelte

@@ -185,6 +185,13 @@
         const currentTime = player.getCurrentTime();
         const drift = Math.abs(currentTime - expectedTime);
 
+        // Skip drift detection when video has ended - the player is stuck at end time
+        // and expected time keeps advancing, causing infinite "Controller seek detected" loop
+        if (hasVideoEnded) {
+            // Video ended - don't try to sync, wait for skip/next
+            return;
+        }
+
         // Check if we need to sync (tight 2-second threshold like CyTube)
         if (drift > DRIFT_THRESHOLD) {
             if ($canControl) {