Setting up Zoraxy to use Authentik for per-application forward authentication

About a month or so ago, I migrated my reverse proxy from Nginx Proxy Manager (NPM) to Zoraxy. I like the better reporting, but one thing that broke is forward authentication for several applications that lack OAuth2/OpenID access management. I was able to configure the access on a per-application basis using the provided documentation in NPM. Since said documentation isn’t available for Zoraxy, I’m checking here to see if anyone has any ideas.