forked from 1b-agent/fieldcraft-upstream
Open points closer than the tolerance become one point and a point on an open edge near the inside of another splits that edge's triangle; edges that are not open are never touched. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo