some helix changes but mainly removing a user

hosts/cnixpad/default.nix

@@ -0,0 +1,50 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  ifTheyExist = groups: builtins.filter (group: builtins.hasAttr group config.users.groups) groups;
+in {
+  users.users.cnst = {
+    isNormalUser = true;
+    shell = pkgs.zsh;
+    # openssh.authorizedKeys.keys = [];
+    extraGroups = ifTheyExist [
+      "wheel"
+      "networkmanager"
+      "audio"
+      "video"
+      "git"
+      "mysql"
+      "docker"
+      "libvirtd"
+      "qemu-libvirtd"
+      "kvm"
+      "network"
+      "gamemode"
+      "adbusers"
+      "rtkit"
+      "users"
+      "plocate"
+    ];
+  };
+
+  imports = [
+    ./hardware-configuration.nix
+    ./modules.nix
+  ];
+
+  boot = {
+    consoleLogLevel = 3;
+    kernelPackages = lib.mkForce pkgs.linuxPackages_cachyos;
+    kernelParams = [
+      "amd_pstate=active"
+      "quiet"
+      "splash"
+    ];
+  };
+
+  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
+  system.stateVersion = lib.mkDefault "23.11";
+}

hosts/cnixpad/hardware-configuration.nix

@@ -0,0 +1,52 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  modulesPath,
+  ...
+}: {
+  imports = [(modulesPath + "/installer/scan/not-detected.nix")];
+  boot = {
+    initrd = {
+      availableKernelModules = [
+        "nvme"
+        "xhci_pci"
+        "ahci"
+        "usbhid"
+        "usb_storage"
+        "sd_mod"
+      ];
+      kernelModules = ["amdgpu"];
+    };
+
+    kernelModules = ["kvm-amd"];
+    extraModulePackages = [];
+  };
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/da41c89a-7ab8-4697-9a14-0d115b97cc2e";
+    fsType = "ext4";
+  };
+
+  boot.initrd.luks.devices."luks-e75ac560-748f-4071-bbe7-479678400be3".device = "/dev/disk/by-uuid/e75ac560-748f-4071-bbe7-479678400be3";
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/7E84-D168";
+    fsType = "vfat";
+    options = ["fmask=0022" "dmask=0022"];
+  };
+
+  swapDevices = [];
+
+  # 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.wlp6s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/cnixpad/modules.nix

@@ -0,0 +1,143 @@
+{
+  modules = {
+    gaming = {
+      steam = {
+        enable = false;
+      };
+      gamescope = {
+        enable = false;
+      };
+      lutris = {
+        enable = false;
+      };
+      gamemode = {
+        enable = false;
+        optimizeGpu = {
+          enable = false;
+        };
+      };
+    };
+    gui = {
+      gnome = {
+        enable = false;
+      };
+      hyprland = {
+        enable = true;
+      };
+    };
+    hardware = {
+      bluetooth = {
+        enable = true;
+      };
+      logitech = {
+        enable = false;
+      };
+      graphics = {
+        amd = {
+          enable = true;
+        };
+        nvidia = {
+          enable = false;
+        };
+      };
+      network = {
+        enable = true;
+        hostName = "cnixpad";
+        interfaces = {
+          "wlp6s0" = {
+            allowedTCPPorts = [22 80 443];
+          };
+        };
+      };
+    };
+    studio = {
+      blender = {
+        enable = false;
+        hip = {
+          enable = false;
+        };
+      };
+      gimp = {
+        enable = false;
+      };
+      inkscape = {
+        enable = false;
+      };
+    };
+    sysd = {
+      blueman = {
+        enable = true;
+      };
+      dbus = {
+        enable = true;
+      };
+      fwupd = {
+        enable = true;
+      };
+      gnome-keyring = {
+        enable = true;
+      };
+      greetd = {
+        enable = true;
+      };
+      gvfs = {
+        enable = true;
+      };
+      locate = {
+        enable = true;
+      };
+      mullvad = {
+        enable = true;
+      };
+      pipewire = {
+        enable = true;
+      };
+      powerd = {
+        enable = true;
+      };
+      samba = {
+        enable = false;
+      };
+      ssh = {
+        enable = true;
+      };
+      udisks = {
+        enable = true;
+      };
+      xserver = {
+        amd = {
+          enable = true;
+        };
+      };
+    };
+    utils = {
+      agenix = {
+        enable = true;
+        cnixpad = {
+          enable = true;
+        };
+      };
+      android = {
+        enable = true;
+      };
+      anyrun = {
+        enable = true;
+      };
+      corectrl = {
+        enable = false;
+      };
+      microfetch = {
+        enable = true;
+      };
+      nix-ld = {
+        enable = false;
+      };
+      misc = {
+        enable = true;
+      };
+      npm = {
+        enable = true;
+      };
+    };
+  };
+}