{
  config,
  pkgs,
  lib,
  ...
}: {
  options.local = {
    hostname = lib.mkOption {
      type = lib.types.str;
      default = "nixos-default";
      description = "System hostname";
    };
    username = lib.mkOption {
      type = lib.types.str;
      default = "user";
      description = "Primary user username";
    };
    userDescription = lib.mkOption {
      type = lib.types.str;
      default = "NixOS User";
      description = "Primary user description";
    };
    address = lib.mkOption {
      type = lib.types.str;
      default = "10.1.1.100";
      description = "Static IP address";
    };
  };

  imports = [
    ./modules/desktop-manager/sway_greetd_homemanager.nix
    ./modules/local/hostname_username.nix
    ./modules/local/networking_local.nix
    ./modules/bootloader/seabios-assigned-iso-at-birth.nix
    ./modules/lix-default.nix
    # Optionally: ./modules/toolsets/remote_building.nix
    #
    #
    ## Compose modules for Portainer service
    ./modules/songsheet/wavelog/docker-compose.nix
    ./modules/secrets-config/sops-composesongsheet.nix
  ];

  config = {
    local.hostname = "christine-teamspeak";
    local.username = "teamspeak_christine";
    local.userDescription = "NixOS Teamspeak Service";
    local.address = "10.1.1.248";

    services.teamspeak3 = {
      enable = true;
      openFirewall = true;
    };

    networking.firewall.allowedTCPPorts = [
      80
      443
    ];
    networking.firewall.allowedUDPPorts = [
      80
      443
    ];

    system.stateVersion = "25.11";
  };
}