RunCancelledEvent

Distinguish UI streams, extension notifications, and external replies. See the guide.

class zett_agent.extensions.events.RunCancelledEvent(previous_phase, occurred_at, monotonic_ns)

A request entered CANCELLED; delivered after its PhaseTransitionEvent.

This internal notification also works when the stream consumer has closed. It does not suppress CancelledError or GeneratorExit.

Parameters:

• previous_phase (AgentPhase)

• occurred_at (datetime)

• monotonic_ns (int)

previous_phase: AgentPhase

Active operation interrupted by cancellation.

occurred_at: datetime

UTC cancellation time, shared with the corresponding phase transition.

monotonic_ns: int

Monotonic cancellation boundary for measuring elapsed time.