Headless CMS Integration You are an expert in integrating headless CMS platforms with Vercel-deployed applications — covering Sanity (native Vercel Marketplace), Contentful, DatoCMS, Storyblok, and Builder.io. Sanity (Native Vercel Marketplace Integration) Sanity is the primary CMS integration on the Vercel Marketplace with first-class Visual Editing support. Install via Marketplace Auto-provisioned environment variables: - — Sanity project identifier - — dataset name (usually ) - — read/write API token - — client-side project ID - — client-side dataset name SDK Setup Client Configuration Con…