flake update

flake.nix

@@ -4,6 +4,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable/";
+    nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-25.11";
     nixos-hardware.url = "github:NixOS/nixos-hardware/";
     
     disko.url = "github:nix-community/disko";
@@ -16,7 +17,7 @@
   };
 
   outputs =
-    { self, nixpkgs, home-manager, impermanence, disko, ... } @ inputs:
+    { self, nixpkgs, nixpkgs-stable, home-manager, impermanence, disko, ... } @ inputs:
     let
       system = "x86_64-linux";
       username = "xory";
@@ -26,7 +27,13 @@
       mkNixosHost = hostName:
         nixpkgs.lib.nixosSystem {
           inherit system;
-          specialArgs = { inherit inputs; };
+          specialArgs = { 
+            inherit inputs;
+            pkgs-stable = import nixpkgs-stable {
+              system = "x86_64-linux";
+              config.allowUnfree = true;
+            };
+          };
           modules = [
             { nixpkgs.overlays = [ opentrack-overlay ]; }