{ config, lib, pkgs, ... }: {
  # Audiobookshelf user with jellyfin and pyload groups for multimedia access
  users.users.audiobookshelf = {
    isSystemUser = true;
    group = "audiobookshelf";
    extraGroups = [ "jellyfin" "pyload" ];
  };
  users.groups.audiobookshelf = {};

  services.audiobookshelf = {
    enable = true;
    openFirewall = true;  # Opens default port 13378
    host = "0.0.0.0";     # Listen on all interfaces
    port = 13378;
  };
}