BFF Layer Design & Security When this skill applies Use this skill when building or modifying any headless VTEX storefront that communicates with VTEX APIs — whether a custom storefront, mobile app, or kiosk. - Setting up a BFF (Backend-for-Frontend) layer for a new headless project - Deciding which VTEX APIs need server-side proxying vs direct frontend calls - Implementing credential management ( , , ) - Reviewing a headless architecture for security compliance Do not use this skill for: - Checkout-specific proxy logic and OrderForm management (use ) - Search API integration details (use ) -…