app/src/pi/browser-host.mjs

// Only Pi's terminal modules import this host adapter. No global Node shim.
export { Buffer } from 'buffer';
export const performance = globalThis.performance;
export const browserProcess = {
  env: { TERM: 'xterm-256color', TERM_PROGRAM: 'xtermjs' },
  platform: 'browser',
  nextTick: callback => queueMicrotask(callback),
};