trying to add a second user on one machine

flake.nix

@@ -7,17 +7,38 @@
       url = github:nix-community/home-manager;
       inputs.nixpkgs.follows = "nixpkgs";
     };
-
     kmonad.url = "github:kmonad/kmonad?dir=nix";
+
   };
 
   outputs = inputs@{ self, nixpkgs, home-manager, kmonad }:
     let
       user = "nixolas";
+      system = "x86_64-linux";  
+      pkgs = import nixpkgs {
+        inherit system;
+        config.allowUnfree = true;
+      };
     in {
-      nixosConfigurations = import ./hosts {
+      nixosConfigurations = {
         inherit (nixpkgs) lib;
         inherit inputs nixpkgs home-manager user kmonad ;
+
+        NicksNixLaptop = {
+          inherit system;
+          specialArgs = inputs;
+
+          modules = [
+            {
+              networking.hostName = "NicksNixLaptop";
+            }
+            kmonad.nixosModules.default
+            ./hosts/laptop
+            ./hosts/configuration.nix
+            ./modules/kmonad.nix
+            ./hosts/laptop/home.nix
+          ];
+        }
       };
    };
 }

hosts/default.nix

@@ -27,7 +27,7 @@ in {
           extraSpecialArgs = { inherit user; };
           users.${user} = { 
             imports = [
-              ./home.nix
+              ../users/${user}.nix
               ../modules/emacs.nix
               ../modules/git.nix
               ../modules/fusuma.nix
@@ -37,6 +37,18 @@ in {
               ../modules/zsh.nix
             ];
           };
+          users.nicholix = {
+            imports = [
+              ../users/nicholix.nix
+              ../modules/emacs.nix
+              ../modules/git.nix
+              ../modules/fusuma.nix
+              ../modules/vim.nix
+              ../modules/wezterm.nix
+              ../modules/xdg.nix
+              ../modules/zsh.nix
+            ]
+          }
         };
       }
     ];

hosts/laptop/default.nix

@@ -1,7 +1,9 @@
 { ... }:
 
 {
-  imports = [ (import ./hardware-configuration.nix) ];
+  imports = [ 
+	./hardware-configuration.nix
+  ];
 
   hardware.bluetooth.enable = true;
 

hosts/laptop/home.nix

@@ -0,0 +1,35 @@
+{ config, lib, pkgs, user, home-manager, ... }:
+
+{
+    home-manager.nixosModules.home-manager {
+        home-manager = {
+            useGlobalPkgs = true;
+            useUserPackages = true;
+            extraSpecialArgs = { inherit user; };
+            users.${user} = { 
+                imports = [
+                    ../../users/${user}.nix
+                    ../../modules/emacs.nix
+                    ../../../modules/git.nix
+                    ../../modules/fusuma.nix
+                    ../../modules/vim.nix
+                    ../../modules/wezterm.nix
+                    ../../modules/xdg.nix
+                    ../../modules/zsh.nix
+                ];
+            };
+            users.nicholix = {
+                imports = [
+                    ../../users/nicholix.nix
+                    ../../modules/emacs.nix
+                    ../../modules/git.nix
+                    ../../modules/fusuma.nix
+                    ../../modules/vim.nix
+                    ../../modules/wezterm.nix
+                    ../../modules/xdg.nix
+                    ../../modules/zsh.nix
+                ];
+            };
+        };
+    }
+}

users/nicholix.nix

@@ -0,0 +1,88 @@
+{ config, pkgs, ... }:
+
+let
+    moz_overlay = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
+    nixpkgs = import <nixpkgs> {
+      overlays = [ moz_overlay ];
+    };
+    ruststable = (nixpkgs.latest.rustChannels.stable.rust.override {
+      extensions = [ "rust-src" "rust-analysis" ];}
+    );
+
+    user = "nicholix";
+in
+{
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+
+  programs.direnv.enable = true;
+  programs.direnv.nix-direnv.enable = true;
+
+  home = {
+    # Home Manager needs a bit of information about you and the
+    # paths it should manage.
+    username = user;
+    homeDirectory = "/home/${user}";
+
+    # This value determines the Home Manager release that your
+    # configuration is compatible with. This helps avoid breakage
+    # when a new Home Manager release introduces backwards
+    # incompatible changes.
+    #
+    # You can update Home Manager without changing this value. See
+    # the Home Manager release notes for a list of state version
+    # changes in each release.
+    stateVersion = "22.11";
+  
+    packages = with pkgs; [
+      # utilities
+      ffmpeg-full  
+      frei0r   # kdenlive video plugins
+      pandoc
+      fontpreview
+
+      texlive.combined.scheme-medium
+    
+      # commandline utils
+      pfetch
+      fortune
+      rmtrash
+      ripgrep
+      fd
+      neofetch
+      ranger
+      exa
+      xdotool
+      vhs
+
+      nodejs # required for coc-nvim
+
+      # Gui application
+      darktable # RAW processing
+      firefox   # Internet access
+      inkscape  # Vector drawing
+      jellyfin-media-player # plex-like media player client
+      kicad     # PCB design
+      krita     # Raster drawing
+      libreoffice   # Office editing
+      obsidian      # Markdown and notes
+      qalculate-gtk # unit-friendly calculator
+      vscodium      # when vim isn't enough
+
+      libsForQt5.kate   # kate/kwrite
+      libsForQt5.ark    # kde archive manager
+
+      # Kdenlive and deps
+      libsForQt5.kdenlive  
+      mediainfo
+      mlt
+
+      # Drawing tablet driver
+      opentabletdriver
+    ];
+
+    sessionVariables = {
+      NIX_SHELL_PRESERVE_PROMPT = 1;
+    };
+  };
+}