> engineering won't use the code because we output React + Tailwind CSS, and they are very likely using custom components or have their own nuances.

That's what I think you could attack - in four ways:

- have a way for designers and developers to iterate components in a component library

- have a way for that component library to be used in app designs

- have a way to upload my component library and use its components in app designs

- eventually maybe extend the above to be able to use multiple component libraries (e.g. for companies with multiple brands)