forked from 1b-agent/fieldcraft-upstream
A crease inside one face whose ends are not on other features (a tessellation crease across the crank's r1.5 bore fillets) bounded nothing, so its open ends were corners no region border could reach and the feature map failed on every build. Patch widths now count bounding curves only. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo