08:32
2026-06-25
dev.to
large-language-models
Why AI Agents Fail Silently β And How to Fix It A technical deep-dive into the observability gap in multi-step LLM systems
A team at an unnamed company built a customer support agent on LangChain that hallucinated a wrong return policy in a multi-step process, logging success while being confidently wrong. This incident hβ¦