It looks like it would be really good for computer vision trying to play the game via AI

Most people who “self host” things are still doing it on a server somewhere outside their home. Could be a VPS, a cloud instance, colocated bare metal, …

I used Mattermost for a community project, but had trouble getting people to install/use/learn yet another client.

But there’s nothing stopping you from actually reading boss patterns and dodging them.

Is there enough information to do this on the first time through, if you have enough skill? Or is it necessary to try and fail multiple times to see and learn each pattern?