fix: adjust package selection for non-interactive installations to only include base group

packages/install.sh

@@ -123,7 +123,8 @@ install_package_lists() {
             done
         fi
     else
-        selected_groups=("${package_files[@]}")
+        # Non-interactive: install only the base group
+        selected_groups=("base.txt")
     fi
 
     # Loop through selected package lists