Merge pull request #224 from koic/extract_annotations_from_mcp

Extract `MCP::Annotations` into a dedicated file

lib/mcp/annotations.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+module MCP
+  class Annotations
+    attr_reader :audience, :priority, :last_modified
+
+    def initialize(audience: nil, priority: nil, last_modified: nil)
+      @audience = audience
+      @priority = priority
+      @last_modified = last_modified
+    end
+
+    def to_h
+      {
+        audience: audience,
+        priority: priority,
+        lastModified: last_modified,
+      }.compact
+    end
+  end
+end