Using Claude plus detailed prompting with a lot of contextual business knowledge, it was possible to build a realistic working prototype of each possible approach as separate Git branches and easily demo them within about two days

… For example, in the past few weeks we needed to plan a complex integration project with both frontend and backend integrations, dependencies on data provided in backend and frontend, need to send data backwards and forwards from the 3rd party and our backend, etc, and in total probably a half-dozen viable alternative ways of doing it. Using Claude plus detailed prompting with a lot of contextual business knowledge, it was possible to build a realistic working prototype of each possible approach as separate Git branches and easily demo them within about two days. Doing this also captured multiple hidden constraints aka "gotchas" in the 3rd party APIs. …