mostly that. adding buttons next to people names, storing inside a cookie who made it on the lesser noisy trolls list. I mute people.
a feature often requested from the website, but never arrived. now done client-side.
(no update today, need more testing using this myself)
Update works like a charm   storing names inside PoloPreferences cookie.

second is VIP list, and looking for where to store data. On the long, a cookie is small space of some 4Kb. Perhaps I should transform names into numbers using a hash function, and use that for comparison. Or at least clipping to first 12 chars.