/**
 * `help` / `--help` / `-h`: print the shared usage text. The text itself stays
 * in cli.ts as `USAGE` — the contract of the per-verb module split (#462) keeps
 * the shared usage text next to the registration table, so it is passed in
 * rather than re-exported.
 */
export function helpCommand(usage: string): void {
  process.stdout.write(`${usage}\n`);
}