got it working even more

hosts/marty-pc/default.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  home-manager,
+  inputs,
+  ...
+}:
+
+{
+  networking = {
+    hostName = "marty-pc";
+    interfaces = {
+      enp42s0 = {
+        wakeOnLan = {
+          enable = true;
+          policy = [ "magic" ];
+        };
+      };
+    };
+  };
+
+  home-manager = {
+    extraSpecialArgs = { inherit inputs; };
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    users = {
+      marty = import ./home.nix;
+    };
+  };
+
+  imports = [ ./hardware.nix ];
+
+}

hosts/marty-pc/hardware.nix

@@ -0,0 +1,53 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "xhci_pci"
+    "ahci"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/a26cdc8b-abc9-47cf-ad33-c81e56e56d22";
+    fsType = "ext4";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/C9B2-7254";
+    fsType = "vfat";
+    options = [
+      "fmask=0077"
+      "dmask=0077"
+    ];
+  };
+
+  swapDevices = [
+    { device = "/dev/disk/by-uuid/24ecde92-b41b-4e41-8ebc-950d321db477"; }
+  ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp42s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/marty-pc/home.nix

@@ -0,0 +1,105 @@
+{
+  config,
+  pkgs,
+  inputs,
+  lib,
+  ...
+}:
+
+{
+  # Home Manager needs a bit of information about you and the paths it should
+  # manage.
+  home.username = "marty";
+  home.homeDirectory = "/home/marty";
+
+  # This value determines the Home Manager release that your configuration is
+  # compatible with. This helps avoid breakage when a new Home Manager release
+  # introduces backwards incompatible changes.
+  #
+  # You should not change this value, even if you update Home Manager. If you do
+  # want to update the value, then make sure to first check the Home Manager
+  # release notes.
+  home.stateVersion = "25.11"; # Please read the comment before changing.
+
+  # The home.packages option allows you to install Nix packages into your
+  # environment.
+
+  programs.fish.enable = true;
+
+  home.packages = with pkgs; [
+    # # Adds the 'hello' command to your environment. It prints a friendly
+    # # "Hello, world!" when run.
+    hello
+    rbw
+    pinentry-curses
+
+    # # It is sometimes useful to fine-tune packages, for example, by applying
+    # # overrides. You can do that directly here, just don't forget the
+    # # parentheses. Maybe you want to install Nerd Fonts with a limited number of
+    # # fonts?
+    # (pkgs.nerdfonts.override { fonts = [ "FantasqueSansMono" ]; })
+
+    # # You can also create simple shell scripts directly inside your
+    # # configuration. For example, this adds a command 'my-hello' to your
+    # # environment:
+    # (pkgs.writeShellScriptBin "my-hello" ''
+    #   echo "Hello, ${config.home.username}!"
+    # '')
+  ];
+
+  # Home Manager is pretty good at managing dotfiles. The primary way to manage
+  # plain files is through 'home.file'.
+  home.file = {
+    # # Building this configuration will create a copy of 'dotfiles/screenrc' in
+    # # the Nix store. Activating the configuration will then make '~/.screenrc' a
+    # # symlink to the Nix store copy.
+    # ".screenrc".source = dotfiles/screenrc;
+
+    # # You can also set the file content immediately.
+    # ".gradle/gradle.properties".text = ''
+    #   org.gradle.console=verbose
+    #   org.gradle.daemon.idletimeout=3600000
+    # '';
+  };
+
+  # Home Manager can also manage your environment variables through
+  # 'home.sessionVariables'. These will be explicitly sourced when using a
+  # shell provided by Home Manager. If you don't want to manage your shell
+  # through Home Manager then you have to manually source 'hm-session-vars.sh'
+  # located at either
+  #
+  #  ~/.nix-profile/etc/profile.d/hm-session-vars.sh
+  #
+  # or
+  #
+  #  ~/.local/state/nix/profiles/profile/etc/profile.d/hm-session-vars.sh
+  #
+  # or
+  #
+  #  /etc/profiles/per-user/marty/etc/profile.d/hm-session-vars.sh
+  #
+  home.sessionVariables = {
+    EDITOR = "codium";
+  };
+
+  development = {
+    vscodium.enable = true;
+    git.enable = true;
+  };
+  terminal = {
+    kitty.enable = true;
+  };
+  window_manager = {
+    hyprland.enable = true;
+    waybar.enable = true;
+    walker.enable = true;
+  };
+
+  imports = [
+    inputs.walker.homeManagerModules.default
+    ./../../modules
+
+  ];
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+}