Unverified60% confidenceFactExact time
在 OpenAI 等主流 API 中，每次调用都需要传入完整的消息历史（messages），包括 system、user、assistant 等角色的消息
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Agent Middleware机制：为模型调用加装拦截器
bilibili老陈说编程6/14/2026
Related Claims
Verified在OpenAI Function Calling或LangChain的Tool调用规范中，上下文回贯对应将tool角色的消息插入messages列表79% similarUnverifiedIn OpenAI's and Anthropic's API designs, the messages array is an ordered list of conversation history where each message contains a role (user/assistant/tool) and content field78% similarUnverified在OpenAI和Anthropic的API设计中，每一次工具调用会产生至少两条新消息（调用请求+执行结果）77% similar
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