[Feature] Support for Forwarded Headers (Authentication)

I have searched the existing feature requests, both open and closed, to make sure this is not a duplicate request. • Yes The feature I am using Pangolin to front end my immich instance, and have Google Auth setup on Pangolin. At the moment I need to login via Pangolin using Google, then login to immich using Google. As of [1.10.0]( Pangolin have added Forwarded Headers "Pangolin can forward user identity information to your backend applications through custom HTTP headers. This allows your applications to receive user details directly from the request headers, enabling integration with Pangolin’s authentication system." Can this be added to immich so OAuth is handled via Pangolin (or other front end proxy that supports Forwarded Headers) and then the authenticated user details are passed to immich allowing seamless SSO? It would require disabling OAuth in immich and mapping the incoming user authenticated user to an existing account, or fail connec…