run gradient server and worker all in one

flake.nix

@@ -4,6 +4,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
     authentik = {
       url = "github:nix-community/authentik-nix";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -29,12 +30,13 @@
     {
       self,
       nixpkgs,
+      nixpkgs-unstable,
       authentik,
       mailserver,
       disko,
       sops,
       gradient
-    }:
+    }@inputs:
     let
       sshkeys = [
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINABEf0jBjtDdezDDtvl1v27l0DbHP2XUgMARTZXC+MR goeranh@node5"
@@ -181,7 +183,7 @@
         result: input:
         result
         // {
-          "${input}" = nixpkgs.lib.nixosSystem {
+          "${input}" = nixpkgs-unstable.lib.nixosSystem {
             system = "x86_64-linux";
             modules =
               let
@@ -197,7 +199,7 @@
                 gradient.nixosModules.default
                 sops.nixosModules.sops
                 {
-                  _module.args = { inherit self modulesPath; };
+                  _module.args = { inherit self inputs modulesPath; };
                 }
               ];
           };