- Extents are replaced by Size (Size is Extents * 2)
- The UI text displays 'Size'
- Snapping is adjusted to work with Size
- _set and _get handle extents for compatibility
Co-authored-by: ator-dev <dominic.codedeveloper@gmail.com>
This makes it easier to spot syntax errors when editing the
class reference. The schema is referenced locally so validation
can still work offline.
Each class XML's schema conformance is also checked on GitHub Actions.
