Environment Variable Management Complete better-env workflow: typed config schema, Vercel sync, and prebuild validation. Cookbook - Complete These Recipes in Order Type-Safe Environment Configuration with better-env Use better-env config modules for type-safe server/public env access, feature flags, and either-or credential constraints. Environment Variable Management with better-env + Vercel Sync local env files with Vercel environments using better-env pull/load commands while preserving local overrides. Build-Time Environment Validation with better-env Validate all env-backed config module…