CMYK Export Pro

This update improves artboard setup, bleed handling, and preview accuracy:- Added automatic measurement for existing artboards- Existing artboard dimensions are now loaded directly into the custom size fields- Added bleed guides directly to existing artboards without changing their size, position, name, ID, or content- Bleed guides are positioned inside the artboard to define the final trim area- Auto Layout artboards are supported without affecting their layout- Bleed guides are automatically excluded from exported files- PDF exports now use the full artboard as the BleedBox and the inner guide area as the TrimBox- Fixed custom artboards requiring two clicks to create- Width, height, and bleed values are now applied on the first click- Fixed selected image previews appearing stretched or compressed- Improved live preview behavior when switching between layers and imagesAll processing remains fully local and client-side.