There is a failure mode in every event-driven system that its own logs are structurally incapable of reporting. Not "hard to find". Incapable. The system accepts a unit of work, answers success, and then the work does not happen. Nothing errors. No run is marked failed. No alert fires. The run history is not lying to you, it is telling the truth about a different layer: the message arrived and the server answered. Whether the operation actually occurred is a separate question that nothing in ...