I’ve recently installed Immich and it’s basically a drop in replacement for Google photos. You do need to host it yourself however.

Look for simplelogin

The screenshots show it’s not just a rating, you can add text to them. Am I misunderstanding you?

Ahh he gets weekends at home, how considerate!

So 120 days or 6 months? Which is it?

Have you tried Piper?

Not sure about Jellyfin, but Plex would transcode to a format supported by the client yes.