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

/** Drive-resident exit: ends the booter session (ctx.requestBooterExit from bare-os-booter). */
async function run(ctx, argv) {
  let ec = 0
  if (argv[1] !== undefined) {
    const n = Number.parseInt(argv[1], 10)
    ec = Number.isFinite(n) ? n : 0
  }
  if (typeof ctx.requestBooterExit === 'function') {
    ctx.requestBooterExit(ec)
  }
  ctx.exitCode = ec
}