export type KeyHandler = (key: string) => void; const KEY_MAP: Record<string, string> = {  '\x1b[A': 'up',  '\x1b[B': 'down',  '\x1b[C': 'right',  '\x1b[D': 'left',  '\r': 'enter',  '\n': 'enter',  '\x03': 'ctrl-c',  '\x1b': 'escape',}; export function setupInput(onKey: KeyHandler): () => void {  const stdin = process.stdin;  if (!stdin.isTTY) {    console.error('Error: vllm-studio requires an interactive terminal (TTY)');    process.exit(1);  }  stdin.setRawMode(true);  stdin.resume();  stdin.setEncoding('utf8');   const handler = (data: string): void => { onKey(KEY_MAP[data] || data); };  stdin.on('data', handler);   return () => {    stdin.setRawMode(false);    stdin.pause();    stdin.off('data', handler);  };} export function parseKey(data: string): string {  return KEY_MAP[data] || data;}