show the system prompt in the execution detail

Author: wangliang181230

apps/application/flow/step_node/intent_node/impl/base_intent_node.py

@@ -74,6 +74,7 @@ def execute(self, model_id, dialogue_number, history_chat_record, user_input, br
 
         # 构建分类提示词
         prompt = self.build_classification_prompt(user_input, branch, output_reason)
+        self.context['system'] = prompt
 
         # 生成消息列表
         system = self.build_system_prompt()