just redo all of it from scratch

lib/mcp/prompt/argument.rb

@@ -1,21 +0,0 @@
-# typed: strict
-# frozen_string_literal: true
-
-module MCP
-  class Prompt
-    class Argument
-      attr_reader :name, :description, :required, :arguments
-
-      def initialize(name:, description: nil, required: false)
-        @name = name
-        @description = description
-        @required = required
-        @arguments = arguments
-      end
-
-      def to_h
-        { name:, description:, required: }.compact
-      end
-    end
-  end
-end