fix: hide chats when sidebar is not open

frontend/src/components/workspace/workspace-sidebar.tsx

@@ -6,6 +6,7 @@ import {
   SidebarContent,
   SidebarFooter,
   SidebarRail,
+  useSidebar,
 } from "@/components/ui/sidebar";
 
 import { RecentChatList } from "./recent-chat-list";
@@ -16,6 +17,7 @@ import { WorkspaceNavMenu } from "./workspace-nav-menu";
 export function WorkspaceSidebar({
   ...props
 }: React.ComponentProps<typeof Sidebar>) {
+  const { open: isSidebarOpen } = useSidebar();
   return (
     <>
       <Sidebar variant="sidebar" collapsible="icon" {...props}>
@@ -24,7 +26,7 @@ export function WorkspaceSidebar({
         </SidebarHeader>
         <SidebarContent>
           <WorkspaceNavChatList />
-          <RecentChatList />
+          {isSidebarOpen && <RecentChatList />}
         </SidebarContent>
         <SidebarFooter>
           <WorkspaceNavMenu />