feat: Add ConfirmGroup dataclass

aider/io.py

@@ -3,6 +3,7 @@ import os
 from collections import defaultdict
 from datetime import datetime
 from pathlib import Path
+from dataclasses import dataclass
 
 from prompt_toolkit import prompt
 from prompt_toolkit.completion import Completer, Completion
@@ -17,6 +18,10 @@ from pygments.lexers import MarkdownLexer, guess_lexer_for_filename
 from pygments.token import Token
 from pygments.util import ClassNotFound
 from rich.console import Console
+
+@dataclass
+class ConfirmGroup:
+    preference: str = None
 from rich.style import Style as RichStyle
 from rich.text import Text