/** Shared helpers for drive-resident /bin scripts (prepended before each command). */
function bareStdin(ctx) {
  return typeof ctx.shellStdin === 'string' ? ctx.shellStdin : ''
}

async function run(ctx, argv) {
  const seq = '\x1b[H\x1b[2J\x1b[3J'
  if (typeof ctx.writeScreen === 'function') {
    ctx.writeScreen(seq)
    return
  }
  globalThis.console.clear?.()
  const ps = globalThis.process?.stdout
  if (ps && typeof ps.write === 'function') {
    ps.write(seq)
    return
  }
  for (let i = 0; i < 48; i++) ctx.console.log('')
}