Local only.
How about an Immich integration, e.g. a button that says “Share via my PixedFed account” or even just the icon that would then post it on your behalf?
Neat, is there a way to share from Immich to Pixelfed?
So headscale?
Firefox
You mean you self-host your profile?
Check Adolescence https://www.rottentomatoes.com/tv/adolescence for a drama on the topic.
Warning: VERY dramatic.