tools/final_answer.py

from typing import Any
from smolagents.tools import Tool

class FinalAnswerTool(Tool):
    name = "final_answer"
    description = "Provides a final answer to the given problem."
    inputs = {'answer': {'type': 'any', 'description': 'The final answer to the problem'}}
    output_type = "any"

    def forward(self, answer: Any) -> Any:
        # ✅ This is what actually returns the value back to the agent
        return answer

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)