OptionalonCalled for every streamed chunk emitted by a workflow node job.
OptionalonCalled when a node completes (including retries resolved).
OptionalonCalled when a node attempt fails and retries are exhausted.
OptionalonCalled when a node attempt fails but will be retried.
OptionalonCalled when a node starts executing.
OptionalonCalled once when workflow execution completes successfully.
OptionalonCalled once when workflow execution fails.
OptionalonCalled once when workflow execution starts.
Lifecycle hooks emitted by WorkflowRunner.