Auto-Bezier end keys now carry handles along the path, so a straight two-key move went through
the arc-length table and landed a rounding error off its keys' midpoint (80.00000000000001).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QiAJeFttZp83Fh7YuzAR5f