1 files changed, 31 insertions, 0 deletions
diff --git a/lib/dispatch/adapter/message.rb b/lib/dispatch/adapter/message.rb
new file mode 100644
index 0000000..eb51c99
--- /dev/null
+++ b/lib/dispatch/adapter/message.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Dispatch
+  module Adapter
+    Message = Struct.new(:role, :content, keyword_init: true)
+
+    TextBlock = Struct.new(:type, :text, keyword_init: true) do
+      def initialize(text:, type: "text")
+        super(type:, text:)
+      end
+    end
+
+    ImageBlock = Struct.new(:type, :source, :media_type, keyword_init: true) do
+      def initialize(source:, media_type:, type: "image")
+        super(type:, source:, media_type:)
+      end
+    end
+
+    ToolUseBlock = Struct.new(:type, :id, :name, :arguments, keyword_init: true) do
+      def initialize(id:, name:, arguments:, type: "tool_use")
+        super(type:, id:, name:, arguments:)
+      end
+    end
+
+    ToolResultBlock = Struct.new(:type, :tool_use_id, :content, :is_error, keyword_init: true) do
+      def initialize(tool_use_id:, content:, is_error: false, type: "tool_result")
+        super(type:, tool_use_id:, content:, is_error:)
+      end
+    end
+  end
+end