fix(core): Ensure remove-triggers-and-pollers command is not debounced (#11486)

packages/cli/src/scaling/__tests__/publisher.service.test.ts

@@ -65,6 +65,42 @@ describe('Publisher', () => {
 				JSON.stringify({ ...msg, senderId: hostId, selfSend: false, debounce: true }),
 			);
 		});
+
+		it('should not debounce `add-webhooks-triggers-and-pollers`', async () => {
+			const publisher = new Publisher(logger, redisClientService, instanceSettings);
+			const msg = mock<PubSub.Command>({ command: 'add-webhooks-triggers-and-pollers' });
+
+			await publisher.publishCommand(msg);
+
+			expect(client.publish).toHaveBeenCalledWith(
+				'n8n.commands',
+				JSON.stringify({
+					...msg,
+					_isMockObject: true,
+					senderId: hostId,
+					selfSend: true,
+					debounce: false,
+				}),
+			);
+		});
+
+		it('should not debounce `remove-triggers-and-pollers`', async () => {
+			const publisher = new Publisher(logger, redisClientService, instanceSettings);
+			const msg = mock<PubSub.Command>({ command: 'remove-triggers-and-pollers' });
+
+			await publisher.publishCommand(msg);
+
+			expect(client.publish).toHaveBeenCalledWith(
+				'n8n.commands',
+				JSON.stringify({
+					...msg,
+					_isMockObject: true,
+					senderId: hostId,
+					selfSend: true,
+					debounce: false,
+				}),
+			);
+		});
 	});
 
 	describe('publishWorkerResponse', () => {

packages/cli/src/scaling/constants.ts

@@ -1,3 +1,5 @@
+import type { PubSub } from './pubsub/pubsub.types';
+
 export const QUEUE_NAME = 'jobs';
 
 export const JOB_TYPE_NAME = 'job';
@@ -11,7 +13,7 @@ export const WORKER_RESPONSE_PUBSUB_CHANNEL = 'n8n.worker-response';
 /**
  * Commands that should be sent to the sender as well, e.g. during workflow activation and
  * deactivation in multi-main setup. */
-export const SELF_SEND_COMMANDS = new Set([
+export const SELF_SEND_COMMANDS = new Set<PubSub.Command['command']>([
 	'add-webhooks-triggers-and-pollers',
 	'remove-triggers-and-pollers',
 ]);
@@ -20,7 +22,8 @@ export const SELF_SEND_COMMANDS = new Set([
  * Commands that should not be debounced when received, e.g. during webhook handling in
  * multi-main setup.
  */
-export const IMMEDIATE_COMMANDS = new Set([
+export const IMMEDIATE_COMMANDS = new Set<PubSub.Command['command']>([
 	'add-webhooks-triggers-and-pollers',
+	'remove-triggers-and-pollers',
 	'relay-execution-lifecycle-event',
 ]);