fix

modules/features/dev/bun.nix

@@ -0,0 +1,20 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  cfg = config.my.features.dev.bun;
+in
+{
+  options.my.features.dev.bun = {
+    enable = lib.mkEnableOption "Bun JavaScript runtime";
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      bun # A Fast JavaScript Runtime Like Node.js And Deno
+    ];
+  };
+}