Idea #5, that tool calling is the model asking your code to act rather than acting itself, is the one beginners miss most, and framing the agent as a loop your code owns the limits of is exactly right. The 'fluently wrong' label for a text predictor is going to save someone a week. For the next post, do you plan to show where that loop breaks in practice, like a tool call the model asks for with arguments that do not validate?