1. Check for existing Agentation installation in `package.json`.
2. Check for existing Agentation configuration in `src/` or `app/`.
3. Detect Next.js framework (App Router or Pages Router).
4. Add Agentation component to the appropriate file (`app/layout.tsx` or `pages/_app.tsx`).
5. Wrap Agentation component with `NODE_ENV === 'development'` check.
6. Instruct user to run dev server and verify Agentation toolbar.