Initial commit with full functionality extend app req tools

tools/final_answer.py

@@ -1,10 +1,12 @@
 # tools/final_answer.py
-from dataclasses import dataclass
-from typing import Any
+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.
@@ -18,4 +20,4 @@ class FinalAnswerTool:
         return answer
 
     def __str__(self) -> str:
-        return "final_answer"
+        return self.name