===== E queue-enforcement: gh pr merge --queue NOT enforced (free repo) =====
===== test: gh pr merge --auto on a PR =====
exit_code=0

===== finding =====
Merge queue requires GitHub Pro/Team. enableRepositoryMergeQueue mutation does not exist on this plan (see 01c-merge-queue.txt).
Without merge queue, direct gh pr merge IS the only path — and free private repo doesn't reject it.