Follow-up fix to #1518: the PCB gate now blocks when the DRC report has no unconnected list, ignores connectivity, or the stored zone fill differs from a refill on a throwaway copy. Before this, those cases could read as PASS.
From the Grok pain-radar digests, Oct 28-29 2026 (Oct 28 8:41 AM ET through Oct 29 early-morning Haitch editions). Verified live 2026-10-29: issue/PR read; title and state confirmed.