- meta: lining lower haunch (not modelled, 492 mm), base (drawing has top/bottom lines, 105 mm), superelevation sign at 5+470 (user: keep +2%) - README: replace obsolete skeleton description with current outputs, verification summary and accepted limitations Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01A5Cun3RHQKna9qxE6ybZ4A