I guess lib and pkgs.lib aren't the same...?

modules/nixos/wifi.nix

@@ -1,5 +1,5 @@
-{pkgs, ...}: let
-  inherit (pkgs.lib) mkDefault;
+{lib, ...}: let
+  inherit (lib) mkDefault;
 in {
   networking.networkmanager.enable = mkDefault true;
   systemd.services.NetworkManager-wait-online.enable = mkDefault false;

nixos/dragon.nix

@@ -17,6 +17,27 @@
     inputs.hardware.nixosModules.common-pc-ssd
     outputs.nixosModules.pipewire-low-latency
 
+    ({
+      config,
+      pkgs,
+      lib,
+      ...
+    }:
+      with lib; let
+        cfg = config.services.myservice;
+      in {
+        options.services.myservice = {
+          enable = mkEnableOption "Enables the api.lyte.dev service";
+        };
+
+        config = mkIf cfg.enable {
+          networking.hostName = "anything-to-test";
+        };
+      })
+    {
+      services.myservice.enable = true;
+    }
+
     desktop-usage
     podman
     postgres

nixos/foxtrot.nix

@@ -13,17 +13,18 @@ in {
     ({
       config,
       pkgs,
+      lib,
       ...
-    }: let
-      inherit (pkgs) lib;
+    }:
+      with lib; let
         cfg = config.services.myservice;
       in {
         options.services.myservice = {
-        enable = lib.mkEnableOption "Enables the api.lyte.dev service";
+          enable = mkEnableOption "Enables the api.lyte.dev service";
         };
 
         config =
-        lib.mkIf cfg.enable {
+          mkIf cfg.enable {
           };
       })
     {