We Wrapped an Open-Source Agent in GraphOS and Turned the Debugging Session Into a Story

A story-driven, hands-on report about taking an existing open-source LangGraph.js agent, wrapping it in GraphOS, and learning what observability actually feels like when an agent goes sideways. There is a moment every agent project eventually reaches. The demo works. The graph looks clean. The tools are wired up. The prompt feels smart. And then one run goes sideways. Not in a dramatic, movie-scene way. In the real way. The assistant calls the same tool again. Then again. The state grows. The tr