/** 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 save = ctx.saveVault
  if (typeof save !== 'function') {
    ctx.console.error('savevault: not supported in this environment')
    return
  }
  try {
    await save.call(ctx)
  } catch (err) {
    ctx.console.error(err?.message ?? String(err))
  }
}