A cleanup tool that should remove only unconnected track segments deleted between 13 and 728 connected segments across six demo boards that had zero unconnected segments. DRC afterwards showed up to 196 unconnected nets.
From the Grok Haitch pain-radar compilation, finding 3, found 2026-10-11, score 9/10. Cost model assumes re-routing or restoring from backup after a destructive cleanup run.