You are right. We are going to add this. Thanks for your request.
[Discord] Send streamed Twitch Channel to Bot Description
I would like for a future update that the bot automatically writes the streamed Twitch channel in the user/bot description. Alternatively, perhaps the username in this changes.
As you can see here, it is not yet possible to determine what the bot is currently playing.
If no informations are shown in the discord client description, the text the bot tries to display is too long. Discord has a max length of informations in that field which is pretty low. We will add a trim to short too long informations for the client description in the next update.