style: folders without arrow, hashtag row cut off with an expander

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/src/features/workspace/WorkspaceView.tsx

@@ -164,13 +164,7 @@ const FolderTreeItem: React.FC<FolderTreeItemProps> = ({
           }
           className="flex items-center gap-1.5 flex-1 min-w-0 text-left h-full cursor-pointer"
         >
-          {hasContent ? (
-            isExpanded ? (
-              <ChevronDown className="w-3.5 h-3.5 text-faint shrink-0" />
-            ) : (
-              <ChevronRight className="w-3.5 h-3.5 text-faint shrink-0" />
-            )
-          ) : null}
+          {/* No arrow: the open/closed folder icon shows the state, and empty folders line up the same */}
           {isExpanded ? (
             <FolderOpen className="w-3.5 h-3.5 text-accent shrink-0" />
           ) : (
@@ -271,7 +265,7 @@ const FolderTreeItem: React.FC<FolderTreeItemProps> = ({
 {...docDropProps(d.id)}
               onMouseDown={(e) => e.shiftKey && e.preventDefault()}
               onClick={(e) => onDocRowClick(e, d.id, () => onSelectDoc(d.id))}
-              style={{ paddingLeft: `${(depth + 1) * 12 + 16}px` }}
+              style={{ paddingLeft: `${(depth + 1) * 12 + 9}px` }}
               className={`w-full flex items-center gap-2 pr-2 py-1.5 min-h-11 sm:min-h-0 rounded-btn text-left text-sm sm:text-xs cursor-pointer border transition-colors ${
                 mergeHoverId === d.id
                   ? 'border-accent bg-accent/15 ring-2 ring-accent/30 text-main'
@@ -289,7 +283,7 @@ const FolderTreeItem: React.FC<FolderTreeItemProps> = ({
 
           {!hasContent && (
             <div
-              style={{ paddingLeft: `${(depth + 1) * 12 + 16}px` }}
+              style={{ paddingLeft: `${(depth + 1) * 12 + 9}px` }}
               className="py-1 text-[10px] text-faint italic"
             >
               Leer