Add import, fix export

app/components/sidebar/Menu.client.tsx

@@ -34,7 +34,7 @@ const menuVariants = {
 type DialogContent = { type: 'delete'; item: ChatHistoryItem } | null;
 
 export function Menu() {
-  const { duplicateCurrentChat } = useChatHistory();
+  const { duplicateCurrentChat, exportChat } = useChatHistory();
   const menuRef = useRef<HTMLDivElement>(null);
   const [list, setList] = useState<ChatHistoryItem[]>([]);
   const [open, setOpen] = useState(false);
@@ -102,7 +102,6 @@ export function Menu() {
 
   const handleDeleteClick = (event: React.UIEvent, item: ChatHistoryItem) => {
     event.preventDefault();
-
     setDialogContent({ type: 'delete', item });
   };
 
@@ -144,6 +143,7 @@ export function Menu() {
                   <HistoryItem
                     key={item.id}
                     item={item}
+                    exportChat={exportChat}
                     onDelete={(event) => handleDeleteClick(event, item)}
                     onDuplicate={() => handleDuplicate(item.id)}
                   />