- src/entities/shape.rs: diamond marker at insertion point (SHX glyphs
cannot be rendered without the binary .shx file, so a placeholder is used)
- Grips: single insertion-point grip
- Properties: Name, Style (read-only), Insert X/Y/Z, Size, Rotation
- Transformable: translate, mirror, scale, rotate
- Registered in entities/mod.rs, entities/traits.rs, app/commands.rs
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
