Update app.py

app.py

@@ -168,22 +168,25 @@ async def chat(request: ChatRequest):
                     contexto = obtener_extractos(args["query"])
 
                     # Añadir la respuesta de la tool al historial de mensajes
+                    tool_call_id = tool_call.id
                     messages.append({
                         "role": "assistant",
                         "content": None,
-                        "tool_calls": [{
-                            "id": tool_call.id,
-                            "type": "function",
-                            "function": {
-                                "name": tool_call.function.name,
-                                "arguments": tool_call.function.arguments
+                        "tool_calls": [
+                            {
+                                "id": tool_call_id,
+                                "type": "function",
+                                "function": {
+                                    "name": name,
+                                    "arguments": tool_call.function.arguments  # debe ser string (JSON serializado)
+                                }
                             }
-                        }]
+                        ]
                     })
                     messages.append({
                         "role": "tool",
-                        "tool_call_id": tool_call.id,
-                        "name": "obtener_extractos",
+                        "tool_call_id": tool_call_id,
+                        "name": name,
                         "content": contexto
                     })