Handle an event on the async lane.
Called when the run ends normally (sync lane).
Called when the run ends normally (async lane).
Called when the run ends with an error (sync lane).
Called when the run ends with an error (async lane).
Schedule a coroutine tied to this transformer's lifecycle.
Capture debug events as a drainable stream.
Surfaces stream_mode="debug" data on run.debug as a
StreamChannel[dict[str, Any]]. Each item is a debug event with
step-level detail (checkpoint snapshots, task payloads, and
task results wrapped with step number and timestamp).
Only events at the run's own scope are captured; debug data from
deeper subgraphs is available on the respective subgraph handle's
.debug projection.
Native transformer ā run.debug is a direct attribute.
