Don't Start What You Can't Finish: A Counterfactual Audit of Support-State Triage in LLM Agents

ArXi:2604.16752v1 Announce Type: new Current agent evaluations largely reward execution on fully specified tasks, while recent work studies clarification [11, 22, 2], capability awareness [9, 1], abstention [8, 14], and search termination [20, 5] mostly in isolation. This leaves open whether agents can diagnose why a task is blocked before acting. We