tools/final_answer.py

# tools/final_answer.py
from dataclasses import dataclass, field

@dataclass
class FinalAnswerTool:
    """A tool to format and deliver the final answer to the user."""
    
    name: str = field(default="final_answer", init=False)
    description: str = field(default="Tool to provide the final answer", init=False)

    def __call__(self, answer: str) -> str:
        """Process and return the final response.

        Args:
            answer: The final answer text to return to the user.

        Returns:
            The processed answer as a string.
        """
        return answer

    def __str__(self) -> str:
        return self.name