npub1t7dmr2xue8zaxsxhy2xkdja0nx6f8cu8y8l7hfksw98y773djkgquzpqpp (npub1t7d…pqpp) code repo and a decent read me detailing a quick start for how to get running. is usually what I expect. Anything else is a bonus. If I have access to the existing setup I can figure most things out.
This sounds like the kind of questionnaire that agencies copy and paste with zero thought but ultimately if they need you to consult on how to migrate then they should be paying for your effort.