perf(core): Detect event loop blocking (#17805)

Author: ivov

packages/core/package.json

@@ -47,6 +47,7 @@
     "@n8n/decorators": "workspace:*",
     "@n8n/di": "workspace:*",
     "@sentry/node": "catalog:",
+    "@sentry/node-native": "^9.42.1",
     "axios": "catalog:",
     "callsites": "catalog:",
     "chardet": "2.0.0",

packages/core/src/errors/error-reporter.ts

@@ -4,6 +4,7 @@ import { Service } from '@n8n/di';
 import type { ReportingOptions } from '@n8n/errors';
 import type { ErrorEvent, EventHint } from '@sentry/core';
 import type { NodeOptions } from '@sentry/node';
+import { eventLoopBlockIntegration } from '@sentry/node-native';
 import { AxiosError } from 'axios';
 import { ApplicationError, ExecutionCancelledError, BaseError } from 'n8n-workflow';
 import { createHash } from 'node:crypto';
@@ -146,6 +147,7 @@ export class ErrorReporter {
 						url: true,
 					},
 				}),
+				eventLoopBlockIntegration(),
 			],
 		});