Lessons from building OSS alone with AI and applying AI to brownfield development in organizations

I have used AI in two very different contexts. First, I used AI to build an OSS project largely by myself. Second, I applied AI to brownfield development inside an organization. In the second case, I did not use AI only for code generation. I used AI across a much wider part of the development process: source code design documents implementation plans test specifications test cases release procedures At first glance, this may sound as if AI can take over the entire development process. But that