Dragging the minor-axis grip past the major length clamped the stored
ratio to 1.0, pinning the grip at the major radius. Rotate the definition
instead — the minor direction becomes the new major axis — so the shorter
axis stays major and the DXF/DWG ratio stays <= 1.0. (#242)
Co-Authored-By: Claude Opus 4.8 <[email protected]>