Sounds very doable. The UI copy is, after all, just a collection of texts, which is what Tinderbox excels at working with.
I assume that means you would need to share the document with others?
It’s a good use case so I suggest moving your question over to a separate thread, or ask @mwra to move your post to a new thread. Readers frequently search the forum looking for use cases like yours and it’s best if they can find intact threads.
(I also suggest moving your related post into the new thread.)