refactor!: rewrite following dendritic patterns

modules/users/phundrak/flake-parts.nix

@@ -0,0 +1,13 @@
+{inputs, ...}: {
+  flake.modules = {
+    nixos.phundrak = {
+      imports = [./nixos.nix];
+      home-manager.users.phundrak = {
+        imports = [inputs.self.modules.homeManager.phundrak];
+      };
+    };
+    homeManager.phundrak = {
+      imports = [./homeManager.nix];
+    };
+  };
+}

modules/users/phundrak/nixos.nix

@@ -0,0 +1,32 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.flake.options.phundrak;
+in {
+  options.flake.options.phundrak = {
+    sudo = mkEnableOption "Make phundrak a superuser";
+    trusted = mkOption {
+      description = "Mark phundrak as trusted by Nix";
+      type = types.bool;
+      default = cfg.sudo;
+    };
+  };
+  config = {
+    users.users.phundrak = {
+      isNormalUser = true;
+      description = "Greg";
+      extraGroups =
+        ["networkmanager" "dialout" "games" "audio" "input"]
+        ++ optional cfg.sudo "wheel";
+      shell = pkgs.zsh;
+      openssh.authorizedKeys.keyFiles = filesystem.listFilesRecursive ./keys;
+    };
+    nix.settings = mkIf cfg.trusted {
+      trusted-users = ["phundrak"];
+    };
+  };
+}