Three issues caused incorrect rendering after lead-in application:
- Rapid move entities from ToGeometry() were included in ShapeProfile
contour detection, turning traversal paths into cutting moves
- Program created with Mode.Incremental default made the absolute-to-
incremental conversion a no-op, leaving coordinates unconverted
- AddProgramSplit didn't call StartFigure() at rapid moves, causing
GraphicsPath to draw implicit connecting lines between contours
- Part.Rotation returned 0 from the new program instead of the actual
rotation, displacing the sequence label on rotated parts
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>