{username, ...}: {
  system.stateVersion = "25.05";

  imports = [
    ./hardware-configuration.nix
    ../../os/default.nix
  ];

  os = {
    core = {
      allowUnfree.enable = true;

      audio.enable = true;
      bootloader = {
        type = "grub";
        useOSProber = true;
        grubDevice = "nodev";
      };
      drivers = {
        enable = true;
        cpu = "amd";
        graphics.enable = true;
      };
      fonts.enable = true;
      greet.enable = true;
      home-manager = {
        enable = true;
        users.${username}.path = ./home.nix;
      };
      locale.enable = true;
      memory = {
        zram = {
          enable = true;
          percent = 25;
        };
        swapfile = {
          enable = true;
          size = 8;
        };
      };
      network.enable = true;
      power = {
        enable = true;
        mode = "amd";
      };
      security.enable = true;
      ssh.enable = true;
      storage.enable = true;
      users.enable = true;
    };
    srv = {
      bluetooth.enable = true;
      files = {
        thunar.enable = true;
        utils.enable = true;
      };
      gaming = {
        enable = true;
        steam.enable = true;
      };
      nix-helper.enable = true;
      kdeconnect.enable = true;
    };
    wm = {
      enable = true;
      niri.enable = true;
    };
  };
}