feat(ghostty): add declarative config with Maple Mono font via Home Manager

home/shell/default.nix

@@ -1,6 +1,7 @@
 {
   imports = [
     ./fish.nix
+    ./ghostty.nix
     ./starship.nix
     ./tools.nix
   ];

home/shell/ghostty.nix

@@ -0,0 +1,12 @@
+{ pkgs, ... }:
+
+{
+  programs.ghostty = {
+    enable = pkgs.stdenv.isDarwin;
+    package = null; # installed via Homebrew cask
+    settings = {
+      font-family = "Maple Mono NF CN";
+      font-size = 14;
+    };
+  };
+}