add debug tool call

main.py

@@ -158,7 +158,8 @@ async def chat(input_data: ChatInput):
                 if content:
                     yield f"{json.dumps({'type': 'token', 'content': content})}\n"
 
-            elif kind == "on_tool_start":
+            if kind == "on_tool_start":
+                print(f"Debug - Tool being called: {event['name']}")  # Add this debug line
                 tool_input = event['data'].get('input', '')
                 yield f"{json.dumps({'type': 'tool_start', 'tool': event['name'], 'input': tool_input})}\n"