The workflow rules stop new empty pipelines; they do not remove pipeline 518, which
already exists and stays inside the check's eight-day window. Acknowledged until
2026-08-28 so the entry expires with the window rather than outliving it - if it is
still red afterwards, the fix was incomplete and the check says so again.
This is the case the mechanism was built for: known, dated, self-clearing, with the
root cause fixed rather than papered over.