* scripts/lint/autoformat.sh: rename AUTOFORMAT_PARALLEL to PARALLEL,
declare it at file start with default `true`; still env-overridable.
Reword the worker comment so the literal `# shellcheck` token no
longer appears at start-of-line and trips SC1072/SC1073.
* scripts/lint/galaxy.sh: drop the GALAXY_FATAL / GALAXY_NAMESPACE /
GALAXY_PARALLEL env vars (over-engineered for a single repo). Failure
is always fatal. NAMESPACE is an internal constant. Add the same
PARALLEL env var (default `true`, env-overridable); falsy demotes the
xargs fan-out to one worker.
* docs/contributing/environment/variables.md: collapse the four
AUTOFORMAT_*/GALAXY_* rows into one `PARALLEL` row covering both
consumers.
* docs/contributing/tools/make.md: refer to `PARALLEL=0` everywhere;
add the lint-galaxy parallelism note.
Plus working-tree drift across roles/, group_vars/, inventories/, and
tasks/ that accumulated from the make-test setup phase regenerating
generated artefacts during recent test runs.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>