Update tools.py

tools.py

@@ -1,4 +1,3 @@
-# tools.py
 
 from smolagents import tool
 
@@ -22,11 +21,15 @@ def build_prompt(question: str, context: str) -> str:
     )
     return f"{system_instruction}Context:\n{context}\n\nQuestion: {question}\nAnswer:"
 
-# These tools are optional; remove or fix if using
-# @tool
-# def guest_info_tool(name: str) -> str:
-#     return "Background info not available."
-
 @tool
 def greeting_tool(name: str) -> str:
+    """
+    Generates a custom greeting for the guest.
+
+    Args:
+        name: Name of the guest
+
+    Returns:
+        A friendly greeting message.
+    """
     return f"Welcome to the gala, {name}! We're honored to have you with us."