Refactor DashBot

lib/dashbot/models/chat_response.dart

@@ -0,0 +1,21 @@
+import '../constants.dart';
+
+class ChatResponse {
+  final String content;
+  final ChatMessageType? messageType;
+
+  const ChatResponse({
+    required this.content,
+    this.messageType,
+  });
+
+  ChatResponse copyWith({
+    String? content,
+    ChatMessageType? messageType,
+  }) {
+    return ChatResponse(
+      content: content ?? this.content,
+      messageType: messageType ?? this.messageType,
+    );
+  }
+}