etcnixos -> system

system/system-yarn.nix

@@ -0,0 +1,75 @@
+{
+  config,
+  pkgs,
+  lib,
+  username,
+  inputs,
+  ...
+}:
+{
+  imports = [
+    ./impermanence-disk-config.nix
+    ./common.nix
+    ./impermanence.nix
+    ./no-rgb.nix
+    ./vr.nix
+
+    inputs.nixos-hardware.nixosModules.common-cpu-amd-pstate
+    inputs.nixos-hardware.nixosModules.common-cpu-amd-zenpower
+    inputs.impermanence.nixosModules.impermanence
+    inputs.disko.nixosModules.disko
+    inputs.jovian-nixos.nixosModules.default
+  ];
+
+  fileSystems."/media/games" = {
+    device = "/dev/disk/by-uuid/1878136e-765d-4784-b204-3536ab4fdac8";
+    fsType = "f2fs";
+    options = [ "nofail" ];
+  };
+
+  networking.hostId = "abf570f9";
+
+  services.openssh = {
+    enable = true;
+    ports = [ 22 ];
+    settings = {
+      PasswordAuthentication = false;
+      PermitRootLogin = "yes";
+    };
+  };
+
+  users.users.${username}.openssh.authorizedKeys.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO4jL6gYOunUlUtPvGdML0cpbKSsPNqQ1jit4E7U1RyH" # laptop
+  ];
+
+  users.users.root.openssh.authorizedKeys.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO4jL6gYOunUlUtPvGdML0cpbKSsPNqQ1jit4E7U1RyH" # laptop
+  ];
+
+  programs.steam = {
+    remotePlay.openFirewall = true;
+    localNetworkGameTransfers.openFirewall = true;
+  };
+
+  # LACT (Linux AMDGPU Configuration Tool): https://github.com/ilya-zlobintsev/LACT
+  environment.systemPackages = with pkgs; [
+    lact
+  ];
+  systemd.packages = with pkgs; [ lact ];
+  systemd.services.lactd.wantedBy = [ "multi-user.target" ];
+
+  systemd.services.lactd.serviceConfig.ExecStartPre = "${lib.getExe pkgs.bash} -c \"sleep 3s\"";
+
+  jovian = {
+    devices.steamdeck.enable = false;
+    steam = {
+      enable = true;
+      autoStart = true;
+      desktopSession = "niri";
+      user = username;
+    };
+  };
+
+  # Disable gamescope from common.nix to avoid conflict with jovian-nixos
+  programs.gamescope.enable = lib.mkForce false;
+}