use stdenv.hostPlatform.system instead of system

configuration.nix

@@ -13,6 +13,13 @@
   security.rtkit.enable = true;
   security.polkit.enable = true;
 
+  nixpkgs.config.allowUnfree = true;
+
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ];
+
   users.users.aditya = {
     isNormalUser = true;
     description = "aditya";
@@ -36,6 +43,6 @@
     zed-editor
     devenv
     nixd
-    inputs.pano-scrobbler.packages."x86_64-linux".default
+    inputs.pano-scrobbler.packages.${pkgs.stdenv.hostPlatform.system}.default
   ];
 }

system/config.nix

@@ -14,12 +14,5 @@
     LC_TIME = "en_IN";
   };
 
-  nixpkgs.config.allowUnfree = true;
-
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
-
   system.stateVersion = "25.11";
 }

system/default.nix

@@ -2,7 +2,7 @@
   imports = [
     ./bootloader.nix
     ./networking.nix
-    ./configuration.nix
+    ./config.nix
     ./overlays.nix
   ];
 }

system/overlays.nix

@@ -5,7 +5,7 @@
     (final: prev:
       let
         unstable-pkgs = import inputs.nixpkgs-unstable {
-          inherit (prev) system;
+          system = prev.stdenv.hostPlatform.system;
           config.allowUnfree = true;
           config.allowUnsupportedSystem = true;
         };