AI Agent Observability: Debugging Production Agents Without Going Insane (2026)

The first time I shipped an AI agent to production, I watched it do something in the logs that I could not reproduce locally, could not explain, and could not fix. A user asked it to summarize a meeting. It responded with a confident paragraph that referenced three people who were not in the meeting, a decision that was never made, and a date that did not exist. Everything about the response looked plausible. None of it was true. I had logs. I had the prompt. I had the final response. What I did