Awesome, good to hear. Just a reminder that I forgot when I sent that link: double-check the Tutorial, it might have slightly outdated information. But a few lessons I learned when setting it up:
Pangolin uses its own auth. You can use a OIDC provider if you like, but you have to set it up. I use TinyAuth in conjunction because I have so few users.
To bypass auth on Pangolin, you must disable it and it will appear "Unprotected". This helps with mobile apps, which don't know how to deal with third-party login screens, but it leaves the login screen of whatever server you're running (like Jellyfin) accessible by everyone. So something more hardened as your OIDC provider at the frontend help. Although lots of apps, again like Jellyfin, don't have native OIDC login.
The solution would be to route it with Private Resources, which are zero-trust connections. Great for a few people on your network, but it requires you setting up the Client app to access the Pangolin network. I've had issues with DNS on Android before, but your problems may vary.
If you have any more questions, let me know. I've been using Pangolin for only about a year, but I think I learned enough to help.