I have yet to try OP’s tool, but I already have Qobuz connected to Last.fm and subsequently ListenBrainz if that is any use?

Where did the $25 come from? Isn’t the upgrade pack for TotK $10?

I have created a Mastodon list just for PeerTube “subscriptions”. I just swap over and then have a list only full of videos. On mobile the Surf app could do something similar.