The pre-existing (untracked) test/README documented creating Dolibarr's
install.lock after a fresh install — a non-obvious operational step missing from
the rewritten README. Preserve it (generalized to the per-env namespace/label,
with a note that a prod-seeded instance doesn't need it).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>