I'm excited to announce our latest LangChain Academy course, Production Monitoring with LangSmith. We're tackling one of the hardest truths about building agents: you don't know what they'll do until they're in production. In traditional software, you can test against a known set of inputs and reliably predict edge cases.Agents are fundamentally different. Your users can say anything, providing input that you never anticipated. And because your agent is non-deterministic, even the same input can produce dif ...