refactor(core): Implement a new OnPubSubEvent decorator (#15688)

packages/cli/src/push/index.ts

@@ -1,7 +1,7 @@
 import type { PushMessage } from '@n8n/api-types';
 import { inProduction, Logger } from '@n8n/backend-common';
 import type { User } from '@n8n/db';
-import { OnShutdown } from '@n8n/decorators';
+import { OnPubSubEvent, OnShutdown } from '@n8n/decorators';
 import { Container, Service } from '@n8n/di';
 import type { Application } from 'express';
 import { ServerResponse } from 'http';
@@ -205,6 +205,12 @@ export class Push extends TypedEmitter<PushEvents> {
 		return isWorker || (isMultiMain && !this.hasPushRef(pushRef));
 	}
 
+	@OnPubSubEvent('relay-execution-lifecycle-event', { instanceType: 'main' })
+	handleRelayExecutionLifecycleEvent({ pushRef, ...pushMsg }: PushMessage & { pushRef: string }) {
+		if (!this.hasPushRef(pushRef)) return;
+		this.send(pushMsg, pushRef);
+	}
+
 	/**
 	 * Relay a push message via the `n8n.commands` pubsub channel,
 	 * reducing the payload size if too large.