Initial commit with full functionality extend app req tools

tools/final_answer.py

@@ -4,15 +4,35 @@ from smolagents import tool
 
 @tool
 class FinalAnswerTool:
-    name = "final_answer"  # Required by smolagents
+    """A tool that provides the final answer for the agent's response.
+    
+    This tool is used to format and return the final response from the agent.
+    It ensures that the response is properly formatted and ready for presentation
+    to the user.
+    
+    Attributes:
+        name (str): The name identifier for the tool
+        description (str): A brief description of the tool's purpose
+    """
+    
+    name = "final_answer"
     description = "A tool to provide the final answer"
 
     def __call__(self, answer: str) -> str:
-        """Tool to provide a final answer
+        """Process and return the final answer.
+        
         Args:
-            answer: The final answer to return
+            answer: The final answer text to be returned to the user
+            
+        Returns:
+            str: The formatted final answer
         """
         return answer
 
     def __str__(self) -> str:
+        """Return string representation of the tool.
+        
+        Returns:
+            str: The tool's name
+        """
         return self.name