You state this as if the only way you personally would manage this would be to craft each line yourself after deep contemplation, which may be true for you.

But it's not a universal at all. You have to apply engineering thinking to human and LLM organization, and part of the damage caused by scrum has been to ignore this entirely. How can you produce a system where you can bound the output to be what is understood? It must be possible because managers all over the earth do it all the time.