- Fixed conversion formula for accurate CM measurements
- Add red dashed border around print area
- Add blue X-axis line (horizontal, 0cm at left)
- Add green Y-axis line (vertical, 0cm at top)
- Add orange circles marking design element positions
- Add reference legend explaining all visual guides
- Element labels changed from E1, E2 for clarity
- Add printAreaWidthMm and printAreaHeightMm fields to Product model
- Create API endpoint to generate design specs with CM measurements
- Add download button to order detail page
- Specs include design elements with positions/sizes in centimeters
Andymick