tasks. And so, as I have been telling you, when you fix that boundary, you can focus on the how on the top, and then inside of it, you can I have a little chat with just a simple prompt. You can iterate on that prompt. Agents come out, you change it to be an agent. Tools gets invented, you add tools. And then we get into loop engineering, you put that inside of it too. Anything on the outside of it doesn't change. Your integration and and anything else doesn't change. And when you have such a hard boundary, you can also start to automatically optimize. But how can you automatically optimize