I'm not convinced. Should we use command messages like rpc calls? No. But the category of command message makes sense. A command might fail. Only events are sav

I'm not convinced. Should we use command messages like rpc calls? No. But the category of command message makes sense. A command might fail. Only events are saved to the log. I think the separation of commands into ephemeral requests that may or may not result in new events on the log is a very reasonable distinction.