Struct RealtimeSubsystem 

pub struct RealtimeSubsystem {
    pub server: Arc<RealtimeServer>,
    pub observer: RealtimeBroadcastObserver,
    pub schema_config: RealtimeSchemaConfig,
}

Realtime subsystem: WebSocket broadcast server and event observer.

Assembled at server startup from the [realtime] section of the compiled schema. The server handles WebSocket connections; the observer receives mutation events from the observer pipeline and forwards them to connected clients.

Fields

server: Arc<RealtimeServer>

The WebSocket broadcast server.

Pass this to crate::realtime::routes::realtime_router to mount /realtime/v1.

observer: RealtimeBroadcastObserver

Observer that forwards mutation events into the realtime delivery pipeline.

schema_config: RealtimeSchemaConfig

Schema-level realtime configuration (enabled flag, entity list, capacity overrides).