Update chat_handler.py

chat_handler.py

@@ -433,8 +433,10 @@ async def _execute_api_call(session: Session, intent_config) -> str:
                 json.dumps(api_json, ensure_ascii=False)
             )
             human_response = await spark_generate(session, prompt, json.dumps(api_json))
+            # Trim response to remove any trailing "assistant" artifacts
+            trimmed_response = _trim_response(human_response)
             session.reset_flow()
-            return human_response if human_response else f"İşlem sonucu: {api_json}"
+            return trimmed_response if trimmed_response else f"İşlem sonucu: {api_json}"
         else:
             session.reset_flow()
             return f"İşlem tamamlandı: {api_json}"