Diagnose Only What the Agent Actually Visited
TL;DR for operators A quiet agent trace is not necessarily evidence that an underlying component is healthy. It may mean the deployed policy barely visited the states where that component could reveal a fault. Zhu and Chang’s simulation study1 treats this as an eligibility problem before treating it as an anomaly-detection problem. A component must first have repeated support under clean reference operation and then comparable support in the current runtime stream. Only after both conditions hold does the system interpret aggregate fault signals. ...