I’ve been studying several agent frameworks recently (LangGraph, OpenHands, crewAI, AutoGen, and others) and keep returning to the same question: What is the equivalent of a transaction log for agent systems? In traditional databases, we have transaction logs. In distributed systems, we have event logs. In cloud infrastructure, we have audit trails. But for agent systems, the answer feels much less clear. Today, most frameworks provide some combination of: State checkpoints Traces Logs M...