I'm also a navidrome user and I run it via docker exposed via traefik so I can access my music anywhere. I can use any subsonic client on android or iOS and I can bluetooth that to my car or headphones or whatever and I can load it up on my laptop anywhere.
As you've said you just want a local application just wanted to mention that in case that's actually something that might also be useful for you.
As you've said you just want a local application just wanted to mention that in case that's actually something that might also be useful for you.