forked from 1b-agent/fieldcraft-upstream
A Sides field kind: element faces or edges typed as element:side with ranges (1-20:3, 25:1), no row cap, and Use selection for picked faces. Set and mesh-tag forms use it instead of a JSON box (#449). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo