Picturing a phased approach with a doc being the first "deliverable" as in, here is how you could accomplish this today, as of 1.4.3, if you wanted to do this manually?

If shortcomings are found while writing this doc, what are the things that would need to be added to the project in order to make it possible?

As a second phase we can publish some scripts/tools that wrap this manual process to make it easier to do