Add unified nix configuration

nix/hosts/home/darwin/configuration.nix

@@ -0,0 +1,19 @@
+{ config, pkgs, self, ... }:
+
+{
+  # Minimal system configuration
+  environment.systemPackages = [ pkgs.vim ];
+  
+  services.nix-daemon.enable = true;
+  
+  nix.settings.experimental-features = "nix-command flakes";
+  
+  programs.zsh.enable = true;
+  
+  # Set Git commit hash for darwin-version.
+  system.configurationRevision = self.rev or self.dirtyRev or null;
+  
+  system.stateVersion = 4;
+  
+  nixpkgs.hostPlatform = "aarch64-darwin";
+}

nix/hosts/home/nix/home.nix

@@ -0,0 +1,22 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ../../../modules/home/common.nix
+  ];
+
+  home.username = "martin";
+  home.homeDirectory = "/Users/martin";
+
+  home.stateVersion = "24.05";
+
+  programs.git.settings.user = {
+    name = "Martin Pander";
+    email = "git@pander-on.de";
+  };
+
+  programs.jujutsu.settings.user = {
+    name = "Martin Pander";
+    email = "git@pander-on.de";
+  };
+}

nix/hosts/home/nixos/configuration.nix

@@ -0,0 +1,28 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ../../../modules/nixos/common.nix
+  ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-label/nixos";
+    fsType = "ext4";
+  };
+
+  networking.hostName = "macnix";
+
+  users.users.martin = {
+    isNormalUser = true;
+    extraGroups = [ "networkmanager" "wheel" ];
+    uid = 1000;
+    shell = pkgs.zsh;
+  };
+
+  services.openssh.enable = true;
+
+  system.stateVersion = "25.11";
+}

nix/hosts/home/nixos/home.nix

@@ -0,0 +1,13 @@
+{ config, pkgs, lib, ... }:
+
+{
+  imports = [
+    ../../../modules/home/common.nix
+  ];
+
+  # User details
+  home.username = "martin";
+  home.homeDirectory = "/home/martin";
+
+  home.stateVersion = "25.11";
+}