fix(core): Use explicit types in configs to ensure valid decorator metadata (#10433)

packages/@n8n/config/src/configs/scaling-mode.config.ts

@@ -4,83 +4,83 @@ import { Config, Env, Nested } from '../decorators';
 class HealthConfig {
 	/** Whether to enable the worker health check endpoint `/healthz`. */
 	@Env('QUEUE_HEALTH_CHECK_ACTIVE')
-	active = false;
+	active: boolean = false;
 
 	/** Port for worker to respond to health checks requests on, if enabled. */
 	@Env('QUEUE_HEALTH_CHECK_PORT')
-	port = 5678;
+	port: number = 5678;
 }
 
 @Config
 class RedisConfig {
 	/** Redis database for Bull queue. */
 	@Env('QUEUE_BULL_REDIS_DB')
-	db = 0;
+	db: number = 0;
 
 	/** Redis host for Bull queue. */
 	@Env('QUEUE_BULL_REDIS_HOST')
-	host = 'localhost';
+	host: string = 'localhost';
 
 	/** Password to authenticate with Redis. */
 	@Env('QUEUE_BULL_REDIS_PASSWORD')
-	password = '';
+	password: string = '';
 
 	/** Port for Redis to listen on. */
 	@Env('QUEUE_BULL_REDIS_PORT')
-	port = 6379;
+	port: number = 6379;
 
 	/** Max cumulative timeout (in milliseconds) of connection retries before process exit. */
 	@Env('QUEUE_BULL_REDIS_TIMEOUT_THRESHOLD')
-	timeoutThreshold = 10_000;
+	timeoutThreshold: number = 10_000;
 
 	/** Redis username. Redis 6.0 or higher required. */
 	@Env('QUEUE_BULL_REDIS_USERNAME')
-	username = '';
+	username: string = '';
 
 	/** Redis cluster startup nodes, as comma-separated list of `{host}:{port}` pairs. @example 'redis-1:6379,redis-2:6379' */
 	@Env('QUEUE_BULL_REDIS_CLUSTER_NODES')
-	clusterNodes = '';
+	clusterNodes: string = '';
 
 	/** Whether to enable TLS on Redis connections. */
 	@Env('QUEUE_BULL_REDIS_TLS')
-	tls = false;
+	tls: boolean = false;
 }
 
 @Config
 class SettingsConfig {
 	/** How long (in milliseconds) is the lease period for a worker processing a job. */
 	@Env('QUEUE_WORKER_LOCK_DURATION')
-	lockDuration = 30_000;
+	lockDuration: number = 30_000;
 
 	/** How often (in milliseconds) a worker must renew the lease. */
 	@Env('QUEUE_WORKER_LOCK_RENEW_TIME')
-	lockRenewTime = 15_000;
+	lockRenewTime: number = 15_000;
 
 	/** How often (in milliseconds) Bull must check for stalled jobs. `0` to disable. */
 	@Env('QUEUE_WORKER_STALLED_INTERVAL')
-	stalledInterval = 30_000;
+	stalledInterval: number = 30_000;
 
 	/** Max number of times a stalled job will be re-processed. See Bull's [documentation](https://docs.bullmq.io/guide/workers/stalled-jobs). */
 	@Env('QUEUE_WORKER_MAX_STALLED_COUNT')
-	maxStalledCount = 1;
+	maxStalledCount: number = 1;
 }
 
 @Config
 class BullConfig {
 	/** Prefix for Bull keys on Redis. @example 'bull:jobs:23' */
 	@Env('QUEUE_BULL_PREFIX')
-	prefix = 'bull';
+	prefix: string = 'bull';
 
 	@Nested
 	redis: RedisConfig;
 
 	/** How often (in seconds) to poll the Bull queue to identify executions finished during a Redis crash. `0` to disable. May increase Redis traffic significantly. */
 	@Env('QUEUE_RECOVERY_INTERVAL')
-	queueRecoveryInterval = 60; // watchdog interval
+	queueRecoveryInterval: number = 60; // watchdog interval
 
 	/** @deprecated How long (in seconds) a worker must wait for active executions to finish before exiting. Use `N8N_GRACEFUL_SHUTDOWN_TIMEOUT` instead */
 	@Env('QUEUE_WORKER_TIMEOUT')
-	gracefulShutdownTimeout = 30;
+	gracefulShutdownTimeout: number = 30;
 
 	@Nested
 	settings: SettingsConfig;