An active project is defined as a project where there has been at least a buffer edit, a join request/response, or a follow update in the last minute.
Zed Server
This crate is what we run at https://collab.zed.dev.
It contains our back-end logic for collaboration, to which we connect from the Zed client via a websocket after authenticating via https://zed.dev, which is a separate repo running on Vercel.