# nanobot Terminal UI The terminal UI is a TypeScript client for nanobot's existing WebSocket gateway. It owns presentation and input only; the Python gateway remains the single implementation of sessions, the agent loop, tools, memory, and security policy. ```bash bun install --cwd tui bun run --cwd tui check bun run --cwd tui test bun run --cwd tui build ``` `nanobot agent` launches this client, attaches to an existing local gateway or leases one for the process lifetime, and passes an authenticated local endpoint through environment variables. Use `nanobot agent --classic` to run the legacy Python prompt. The renderer uses OpenTUI's split-footer mode: transcript rows are committed to native terminal scrollback while the composer remains fixed at the bottom. This preserves normal terminal selection and scrolling instead of implementing a second scroll model.