i did something but i forgot

nix/hosts/hilbert/configuration.nix

@@ -0,0 +1,27 @@
+{ config, pkgs, inputs, ... }:
+
+{
+  imports =
+    [ 
+      ./hardware-configuration.nix
+      ../../modules/kanata/kanata.nix
+      ../../modules/efi.nix
+      ../../modules/laptop.nix
+      ../../modules/hypr.nix
+      ../../modules/virt.nix
+    ];
+
+  fileSystems."/media/music" = {
+    device = "/dev/disk/by-uuid/dcd8c4de-96af-4d71-badb-5ed63b7c2c39";
+    fsType = "xfs";
+  };
+
+  fileSystems."/media/vm" = {
+    device = "/dev/disk/by-uuid/9678bbf2-bf4d-43bb-b0e4-d7cb68915da1";
+    fsType = "xfs";
+  };
+
+  networking.hostName = "hilbert";
+
+  system.stateVersion = "25.11";
+}

nix/hosts/hilbert/hardware-configuration.nix

@@ -0,0 +1,41 @@
+# 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, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/28c806ac-9082-40fc-8bd3-da38f4c12ae5";
+      fsType = "xfs";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/12CE-A600";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/44fbfcf1-382f-4224-ae4c-60c3379f2daf"; }
+    ];
+
+  # 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.enp4s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp0s20f3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}