Perhaps filter out the empty messages?

The page accompanies a blog post about how many images have alt text on Bluesky so empty lines are included to give a feel for how many images do or don't have the descriptions: https://digitalseams.com/blog/image-descriptions-on-bluesky

> This demo is part of Image descriptions on Bluesky: not bad, could be better - see the blog post for more details!

An optional filter, I can see it being interesting observing frequency of alt relative to no-alt.

I do think it'd be nice if it didn't scroll the log automatically, IF the user has scrolled at all (looking at backlog). A few ways to go about that