Is there any way to automatically rename torrents to match Jellyfin's naming convention for organization and metadata downloads?
Radarr can do this - I have this setup and working following the quick setup guide on a Linux box
https://wiki.servarr.com/radarr/quick-start-guide#media-management
Same. Plus the quality encodes are a lot easier to find and more abundant (assuming you care about such things of course)