No...make it a module

flake.nix

@@ -25,8 +25,13 @@
       ];
     };
     mkHomeManagerConfiguration = { username, user-email, home-dir, enable-gui, pkgs, ... }:
-      home-manager.lib.homeManagerConfiguration (import ./niten.nix {
-      inherit username user-email home-dir enable-gui doom-emacs niten-doom-config pkgs;
-    });
+      home-manager.lib.homeManagerConfiguration {
+        inherit pkgs;
+	modules = [
+          (import ./niten.nix {
+            inherit username user-email home-dir enable-gui doom-emacs niten-doom-config;
+          });
+ 	];
+      };
   };
 }

module.nix

@@ -38,7 +38,7 @@ in {
         user-email = if (user-cfg.email != null) then
           user-cfg.email else "${username}@${config.instance.local-domain}";
         home-dir = config.users.users.${username}.home;
-      in (import user-configs.${username} {
+      in ((import user-configs.${username} {
         inherit
           doom-emacs
           niten-doom-config
@@ -46,9 +46,7 @@ in {
           user-email
           home-dir
           enable-gui
-	  lib,
-	  pkgs;
-      });
+      }) { inherit pkgs; });
     in mapAttrs generate-config local-users;
   };
 }

niten.nix

@@ -5,10 +5,11 @@
   user-email,
   home-dir,
   enable-gui,
-  pkgs,
   ...
 }:
 
+{ pkgs, ... }:
+
 with pkgs.lib;
 let
 

xiaoxuan.nix

@@ -1,6 +1,7 @@
-{ config, lib, pkgs, username, user-email, home-dir, enable-gui, ... }:
+{ username, user-email, home-dir, enable-gui, ... }:
+{ pkgs, ... }:
 
-with lib; if !enable-gui then {} else {
+with pkgs.lib; if !enable-gui then {} else {
   home = {
     packages = with pkgs; [
       fcitx5-configtool