/** 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 sec = parseFloat(argv[1] || '0')
  if (Number.isNaN(sec) || sec < 0) {
    ctx.console.error('sleep: invalid time interval')
    ctx.exitCode = 1
    return
  }
  await new Promise((r) => setTimeout(r, sec * 1000))
}