Function respond_published_with_deadlines 

pub fn respond_published_with_deadlines<R: Repository>(
    socket: &impl AsFd,
    encoder: &mut PublishedResponse<'_, R>,
    staging: &mut [u8],
    deadlines: ResponseDeadlines,
) -> Result<()>

Known-length publication responses with the same total/idle write budget. Deadline configuration errors and late provider failures cancel this cursor.