doc：修复第七章 tiny-agent

docs/chapter7/Agent/src/core.py

@@ -51,14 +51,15 @@ class Agent:
             stream=False,
         )
         if response.choices[0].message.tool_calls:
+            self.messages.append({"role": "assistant", "content": response.choices[0].message.content})
             # 处理工具调用
             tool_list = []
             for tool_call in response.choices[0].message.tool_calls:
                 # 处理工具调用并将结果添加到消息列表中
                 self.messages.append(self.handle_tool_call(tool_call))
-                tool_list.append(tool_call.function.name)
+                tool_list.append([tool_call.function.name, tool_call.function.arguments])
             if self.verbose:
-                print("调用工具：", tool_list)
+                print("调用工具：", response.choices[0].message.content, tool_list)
             # 再次获取模型的完成响应，这次包含工具调用的结果
             response = self.client.chat.completions.create(
                 model=self.model,