chore: remove stale comments

components/upload/FolderCard.tsx

@@ -18,7 +18,6 @@ export default function FolderCard({ entry, index, onToggleViewer, onRemove }: F
   return (
     <div>
       <div className="flex items-center gap-3 bg-black-800 border border-white/20 rounded-xl px-4 py-3">
-        {/* Status icon */}
         <div className="shrink-0">
           {entry.status === 'success' ? (
             <div className="w-8 h-8 rounded-full bg-green-900/30 flex items-center justify-center">
@@ -45,7 +44,6 @@ export default function FolderCard({ entry, index, onToggleViewer, onRemove }: F
           )}
         </div>
 
-        {/* Info */}
         <div className="flex-1 min-w-0">
           <div className="flex items-center gap-2">
             <span className="text-sm text-gray-200 font-mono truncate">{entry.folderName}/</span>
@@ -76,7 +74,6 @@ export default function FolderCard({ entry, index, onToggleViewer, onRemove }: F
           )}
         </div>
 
-        {/* Remove button */}
         {entry.status !== 'uploading' && (
           <button
             onClick={() => onRemove(index)}
@@ -88,12 +85,10 @@ export default function FolderCard({ entry, index, onToggleViewer, onRemove }: F
         )}
       </div>
 
-      {/* Warning banner */}
       {entry.status !== 'success' && (
         <WarningBanner warnings={entry.warnings} />
       )}
 
-      {/* 3D preview */}
       {entry.modelUrl && entry.status !== 'success' && (
         <div
           className={`transition-all duration-300 ease-in-out overflow-hidden ${