Notify user that font changes require a Ghostty restart

bin/omarchy-font-set

@@ -30,6 +30,10 @@ if [[ -n "$font_name" && "$font_name" != "CNCLD" ]]; then
     omarchy-restart-swayosd
     omarchy-restart-walker
 
+    if pgrep -x ghostty; then
+      notify-send "    You must restart Ghostty to see font change"
+    fi
+
     omarchy-hook font-set "$font_name"
   else
     echo "Font '$font_name' not found."