Initial commit with full functionality extend app req tools

tools/final_answer.py

@@ -8,7 +8,7 @@ class FinalAnswerTool(Tool):
     name = "final_answer"
     description = "Tool for providing the final answer to the agent's task"
     
-    # Define inputs as a class attribute (now a dictionary)
+    # Define inputs as a class attribute
     inputs: Dict[str, Any] = {
         "answer": {
             "type": "str",
@@ -16,6 +16,9 @@ class FinalAnswerTool(Tool):
         }
     }
     
+    # Add output_type attribute
+    output_type = "str"
+    
     def __init__(self, description: Optional[str] = None):
         super().__init__()
         self.description = description or self.description