Upload folder using huggingface_hub

client/src/pages/TutorialTasks.tsx

@@ -996,6 +996,8 @@ const TutorialTasks: React.FC = () => {
                 const list = (r.data && r.data.submissions) || [];
                 setUserSubmissions(prev => ({ ...prev, [taskId]: list }));
                 requestAnimationFrame(() => {
+                  // Allow scroll compensation at unlock time
+                  disableCompensationRef.current.delete(taskId);
                   withPreservedCardOffset(taskId, () => {
                     unlockListHeight();
                     unlockCardHeightById(taskId);
@@ -1006,6 +1008,7 @@ const TutorialTasks: React.FC = () => {
                 });
               }).catch(() => {
                 requestAnimationFrame(() => {
+                  disableCompensationRef.current.delete(taskId);
                   withPreservedCardOffset(taskId, () => {
                     unlockListHeight();
                     unlockCardHeightById(taskId);
@@ -1112,6 +1115,17 @@ const TutorialTasks: React.FC = () => {
         }
 
         // Defer refetch to prevent UI jumping and preserve scroll around DOM updates
+        if (taskId) {
+          const gridEl = submissionsGridRefs.current[taskId];
+          const containerEl = submissionsContainerRefs.current[taskId];
+          const cardEl = cardRefs.current[taskId];
+          const preGridH = gridEl ? gridEl.getBoundingClientRect().height : 0;
+          const preContH = containerEl ? containerEl.getBoundingClientRect().height : 0;
+          const preCardH = cardEl ? cardEl.getBoundingClientRect().height : 0;
+          const preHeight = preGridH > 0 ? preGridH : (preContH > 0 ? preContH : preCardH);
+          lastPreHeightRef.current[taskId] = preHeight;
+          try { console.log('[Trace] Delete:preHeights', { taskId, preGridH, preContH, preCardH, chosen: preHeight }); } catch {}
+        }
         withPreservedCardOffset(taskId || '', () => {
           try {
             if (taskId) {