GuidesGuidesProduction integration patterns around the Domain0 SDK.Copy MarkdownOpenNext.js App RouterUse Server Components and route handlers without exposing an API key.Manual setupForce or customize guided DNS instructions.Provider supportInterpret provider capability and health honestly.WebhooksVerify schema-v1 envelopes and process them idempotently.Errors and validationHandle transport, protocol, API, and local input failures explicitly.Next.js App RouterA complete server/client split for a same-origin Domain0 flow.