Fixed Error generating response: 'ProxyClientChat' object is not callable.

app.py

@@ -61,7 +61,8 @@ class BasicAgent:
                 answer = self.tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]
             else:
                 # Fallback to Inference API
-                answer = self.client.chat(messages)
+                response = self.client.chat(messages=messages)
+                answer = response.content
                 
             print(f"Agent generated response (first 50 chars): {answer[:50]}...")
             return answer