Checkout API Proxy & OrderForm Management When this skill applies Use this skill when building cart and checkout functionality for any headless VTEX storefront. Every cart and checkout operation must go through the BFF. - Implementing cart creation, item add/update/remove operations - Attaching profile, shipping, or payment data to an OrderForm - Implementing the 3-step order placement flow (place → pay → process) - Managing and cookies server-side Do not use this skill for: - General BFF architecture and API routing (use ) - Search API integration (use ) - Caching strategy decisions (use ) D…