Final evidence for the small correction round merged in 5f0eaa5:
commits, translation fixes, API-error-localization result, greeting
logic and edge-case evidence, clean-checkout drill, Unraid deployment
evidence, repository/runtime hash comparison, known limitations
(including the transient document.lang anomaly observed during
interactive testing, root-caused as far as possible and not
reproduced in any automated run), and rollback procedure.