Have you looked at this: https://nextjs.org/docs/advanced-features/custom-app https://nextjs.org/docs/advanced-features/custom-app Not sure if it exactly allie

Have you looked at this: https://nextjs.org/docs/advanced-features/custom-app https://nextjs.org/docs/advanced-features/custom-app Not sure if it exactly allievates the problem you face, but that's where I ended up when trying to share layouts in a sensible fashion.