Module runtime_event 

§7 RuntimeEvent — full event hierarchy for runtime observability.

Five categories: InputLifecycle, RunLifecycle, RuntimeState, Topology, Projection.

Structs

RuntimeEventEnvelope

Envelope for all runtime events.

RuntimeProjectionEvent

Projection-derived events.

RuntimeStateChangeEvent

Runtime state change events.

Enums

InputLifecycleEvent

Input lifecycle events.

RunLifecycleEvent

Run lifecycle events.

RuntimeEvent

Runtime event categories and codes.

RuntimeTopologyEvent

Topology events (agents joining/leaving the runtime).