{
  config,
  lib,
  pkgs,
  ...
}:
# zeus — Ryzen desktop with AMD graphics.
# Disk layout is in ./disk.nix.
# `fileSystems` are derived from it, none declared here.
{
  imports = [ ./disk.nix ] ++ lib.optional (builtins.pathExists ./hardware-configuration.nix) ./hardware-configuration.nix;

  nixpkgs.hostPlatform = "x86_64-linux";

  # systemd-boot on the EFI system partition.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  boot.kernelPackages = pkgs.linuxPackages_cachyos;

  hardware.enableRedistributableFirmware = true;
  hardware.graphics = {
    enable = true;
    enable32Bit = true;
  };

  # RAM-backed swap, no on-disk swap partition.
  zramSwap.enable = true;

  networking.networkmanager.enable = true;

  registry.address.zeus.self = "10.23.50.221";

  modules.network.ssh.enable = true;
  modules.network.ssh.hostKeys.sopsFile = ../../secrets/zeus.yaml;
  modules.network.ssh.userKey.sopsFile = ../../secrets/zeus.yaml;

  hardware.bluetooth = {
    enable = true;
    powerOnBoot = true;
  };

  modules.monorepo.enable = true;
  modules.shell.herdr.enable = true;
  modules.shell.gitea-axi.enable = true;
  modules.shell.pi.enable = true;

  modules.desktop.enable = true;
  modules.desktop.apps.obsidian.enable = true;
  modules.desktop.apps.signal.enable = true;
  modules.desktop.apps.steam.enable = true;
  modules.desktop.apps.vencord.enable = true;

  home-manager.users.${config.user.name}.wayland.windowManager.hyprland.settings.monitor = [
    "HDMI-A-1,1920x1080@120,0x0,1,transform,3"
    "DP-3,2560x1440@239.96,1080x0,1"
  ];

}