frontend/src/components/DraggableDroppableTagRow.tsx

@@ -65,7 +65,7 @@ const DraggableDroppableTagRow: FC<Props> = ({ tag, nestLevel, pathKey, parentTa
       data: { kind: 'tag', tagId: tag.id } })
 
   const style: CSSProperties = { transform:   CSS.Translate.toString (transform),
-				 visibility:  dragging && !(sp) ? 'hidden' : 'visible' }
+				 visibility:  dragging ? 'hidden' : 'visible' }
 
   return (
       <div

frontend/src/components/TagDetailSidebar.tsx

@@ -4,7 +4,6 @@ import { DndContext,
 	 MouseSensor,
 	 TouchSensor,
 	 pointerWithin,
-	 rectIntersection,
 	 useDroppable,
 	 useSensor,
 	 useSensors } from '@dnd-kit/core'
@@ -36,8 +35,7 @@ import type { Category, Post, TagWithSections } from '@/types'
 type TagByCategory = { [key in Category]: TagWithSections[] }
 
 const tagCollisionDetection: CollisionDetection = args => {
-  const byPointer = pointerWithin (args)
+  return pointerWithin (args)
-  return byPointer.length > 0 ? byPointer : rectIntersection (args)
 }
 
 const alwaysMeasureDroppables = {
@@ -491,7 +489,6 @@ const TagDetailSidebar: FC<Props> = ({ className, post, sp }) => {
 		</ul>
 	      </motion.div>)}
 
-	  {!(sp) && (
 	  <DragOverlay adjustScale={false}>
 	    <div className="pointer-events-none">
 	      {activeTagDrag != null && (() => {
@@ -499,7 +496,7 @@ const TagDetailSidebar: FC<Props> = ({ className, post, sp }) => {
 		return tag && <TagLink tag={tag} nestLevel={activeTagDrag.nestLevel}/>
 	      }) ()}
 	    </div>
-	      </DragOverlay>)}
+	  </DragOverlay>
 	</DndContext>
       </SidebarComponent>)
 }