reui/app-shell-21
AI chat workspace: resizable thread sidebar collapsing to an icon rail, pinned and grouped chats, a search palette, and a header model picker with memory toggle. shadcn Resizable, Sidebar, Dialog, ReUI Badge. Chatbot UI, AI assistant, LLM chat.
npx get-ui-cli add reui/app-shell-21Paid component: its registry needs a licence from the library, so install it from their site.