The LLM Stack Decision Nobody Makes Cleanly

There is a meeting that happens in almost every team building with LLMs. Someone puts four boxes on a whiteboard: prompt engineering, RAG, fine-tuning, and agents. Then the argument starts. Everyone has read a different blog post. Everyone has a different opinion about what the product actually needs. And by the end of the hour, the team has either picked the wrong thing for the wrong reasons or decided to build all four at once.