Upload the finished artwork file(s) to Shopify Admin → Settings → Files
Upload two versions per pet: the white background version (for customer download) and the transparent background version (for charm mockup overlays)
Copy the CDN URL for each uploaded file
Enter each pet's name and paste both artwork URLs below
Click Generate JSON
Copy the JSON output and paste it into the order's custom.forever_buddy_artworks metafield
Also set custom.forever_buddy_artwork_ready to true
Reminder: After pasting the JSON below into custom.forever_buddy_artworks, also make sure custom.forever_buddy_artwork_ready is set to true on the same order.