读取后台任务输出（扩展）

请求参数

• session_idstring必填

  path: Session id (sesn_...), as returned by sessions.create or sessions.list. The same id is also accepted as the session_id query parameter on resource and thread calls, where it must equal the path value.

• task_idstring必填

  path: Background task id (task_...), as listed by sessions.background_tasks.list.

• offsetinteger可选
  默认 0

  query: Byte offset into the task output to read from; start at 0 and continue with the next_offset of the previous response. Integer of at least 0, default 0.

• max_bytesinteger可选
  默认 65536

  query: Maximum number of bytes to return: an integer from 1 to 262144, default 65536.

返回

200

offset 默认 0；max_bytes 默认 65536，上限 262144。返回 text、next_offset、eof。沙箱已暂停或不存在时返回空 text、原 offset、eof=true、unavailable=true。读取不确认模型结果。

错误按 Anthropic 错误格式返回（type / message / request_id），参见 错误码