NodeOps Auth Setup Add NodeOps PKCE OAuth to an existing Next.js (App Router) project. Prerequisites Before starting, verify the project is compatible: - App Router required : Check if directory exists. If only exists, stop and tell the user: "This skill only supports Next.js App Router. Your project uses Pages Router." - Next.js required : Check for in dependencies. If missing, stop and tell the user this is a Next.js-only package. Idempotency Before each step, check if the work is already done. Skip steps that are already complete: - If is already in dependencies, skip install. - If and alr…