2026-07-14 Agent 平台选型讨论：Sim、OpenManus、Prefect 该先试哪一个

![配图](https://opengraph.githubassets.com/itlab-20260714/simstudioai/sim) ![配图](https://opengraph.githubassets.com/itlab-20260714/FoundationAgents/OpenManus) ![配