OpenAI Responses列出 Response 输入 items列出 Response 输入 items GET /v1/responses/:response_id/input_items 列出 Response 输入 items Request Responses200400401404用于生成 Response 的输入消息。OpenAI 兼容错误响应。OpenAI 兼容错误响应。OpenAI 兼容错误响应。