Failures, Taxonomized: How Multi‑Level Reflection Turns Agents Into Self‑Learners
Failure is usually treated as waste. The demo breaks, the agent apologises, someone adds a prompt patch, and everyone pretends the next retry will be more mature. Very enterprise. Very ceremonial. The SaMuLe paper makes a more useful claim: failed agent runs are not just embarrassing logs. They are the curriculum.1 More precisely, they are raw material for a structured reflection pipeline that turns messy trajectories into error taxonomies, cross-task lessons, and finally a small retrospective model trained to diagnose future failures. ...