i did something but i forgot

nix/flake.nix

@@ -9,12 +9,12 @@
   }; 
   outputs = { self, nixpkgs, ... }@inputs: { 
     nixosConfigurations = { 
-      mecca = nixpkgs.lib.nixosSystem { 
+      hilbert = nixpkgs.lib.nixosSystem { 
         system = "x86_64-linux"; 
         specialArgs = {inherit inputs;}; 
         modules = [ 
           ./hosts/common.nix
-          ./hosts/mecca/configuration.nix 
+          ./hosts/hilbert/configuration.nix 
         ]; 
       };
       cantor = nixpkgs.lib.nixosSystem { 

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

@@ -8,24 +8,24 @@
     [ (modulesPath + "/installer/scan/not-detected.nix")
     ];
 
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  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/9c7f9128-0371-4b7b-b0fb-86aeabe0491a";
+    { device = "/dev/disk/by-uuid/28c806ac-9082-40fc-8bd3-da38f4c12ae5";
-      fsType = "ext4";
+      fsType = "xfs";
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/BE22-C08F";
+    { device = "/dev/disk/by-uuid/12CE-A600";
       fsType = "vfat";
       options = [ "fmask=0077" "dmask=0077" ];
     };
 
   swapDevices =
-    [ { device = "/dev/disk/by-uuid/8380ab37-d79c-4b25-888b-d457596dcfae"; }
+    [ { device = "/dev/disk/by-uuid/44fbfcf1-382f-4224-ae4c-60c3379f2daf"; }
     ];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
@@ -33,8 +33,8 @@
   # 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.enp0s31f6.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp4s0.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlp2s0.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;

nix/hosts/mecca/configuration.nix

@@ -1,16 +0,0 @@
-{ config, pkgs, inputs, ... }:
-
-{
-  imports =
-    [ 
-      ./hardware-configuration.nix
-      ../../modules/kanata.nix
-      ../../modules/efi.nix
-      ../../modules/laptop.nix
-      ../../modules/hypr.nix
-    ];
-
-  networking.hostName = "mecca";
-
-  system.stateVersion = "25.05";
-}

nix/modules/laptop.nix

@@ -17,7 +17,7 @@
       CPU_MIN_PERF_ON_BAT = 0;
       CPU_MAX_PERF_ON_BAT = 20;
 
-      START_CHARGE_THRESH_BAT0 = 40; # 40 and below it starts to charge
+      START_CHARGE_THRESH_BAT0 = 80; # 80 and below it starts to charge
       STOP_CHARGE_THRESH_BAT0 = 80; # 80 and above it stops charging
     };
   };

nix/modules/virt.nix

@@ -0,0 +1,8 @@
+{ config, lib, pkgs, inputs, ...}:
+
+{
+  programs.virt-manager.enable = true;
+  users.groups.libvirtd.members = ["lunita"];
+  virtualisation.libvirtd.enable = true;
+  virtualisation.spiceUSBRedirection.enable = true;
+}