- PrintfulClient: catalog variants (cached 24h), mockup generation
(async create+poll), order submission, variant ID resolution
- Mockup endpoint tries Printful API first for Printful-provider designs,
falls back to Pillow compositing for others (e.g. Prodigi stickers)
- Order service routes items by provider from design metadata:
provider=printful → Printful API, provider=prodigi → Prodigi API
- Sandbox mode creates draft orders on Printful (not fulfilled)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Jeff Emmett
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