Function createSession

server.js:98–144

(id)

const OUTPUT_BUFFER_MAX = 500 * 1024;

function createSession(id) {
  const shell = os.platform() === 'win32' ? 'powershell.exe' : 'bash';
  const term = pty.spawn(shell, [], {
    name: 'xterm-256color',
    cols: 80,
    rows: 24,
    cwd: process.env.CWD || os.homedir(),
    env: (() => { const e = { ...process.env, TERM: 'xterm-256color' }; delete e.CLAUDECODE; delete e.CLAUDE_CODE; return e; })(),
  });

  const session = {
    id,
    term,
    outputBuffer: '',
    bufferSeq: 0,
    sockets: new Set(), // All clients watching this session
    exited: false,
  };

  console.log(`Terminal ${id} spawned (PID: ${term.pid})`);

  term.onData((data) => {
    session.outputBuffer += data;
    session.bufferSeq += data.length;
    if (session.outputBuffer.length > OUTPUT_BUFFER_MAX) {
      session.outputBuffer = session.outputBuffer.slice(-OUTPUT_BUFFER_MAX);
    }
    // Broadcast to all clients watching this session
    for (const s of session.sockets) {
      s.emit('output', data, session.bufferSeq, id);
    }
  });

  term.onExit(({ exitCode }) => {
    console.log(`Terminal ${id} exited (code: ${exitCode})`);
    session.exited = true;
    for (const s of session.sockets) {
      s.emit('exit', exitCode, id);
    }
    sessions.delete(id);
    // Notify all clients of updated session list
    io.emit('sessions', getSessionList());
  });

  sessions.set(id, session);
  return session;
}

function getSessionList() {
  return Array.from(sessions.values()).map(s => ({