Function recv_transform_publish_batch 

pub fn recv_transform_publish_batch<Rx, Tx, F>(
    rx: &mut Rx,
    tx: &mut Tx,
    input: &mut [u8],
    output: &mut [u8],
    on_full: OnFullV1,
    wait: &mut impl WaitStrategy,
    batch: usize,
    transform: F,
) -> Result<bool, LaneTxError>
where
    Rx: LaneRx,
    Tx: LaneTx,
    F: FnMut(&[u8], &mut [u8]) -> TransformOutcome,

Receive → transform → publish, up to batch messages.

Returns Ok(true) if at least one message was processed.