refactor(core): Port config for frontend hooks, Redis and AI features (#17728)

packages/@n8n/config/src/configs/ai.config.ts

@@ -0,0 +1,8 @@
+import { Config, Env } from '../decorators';
+
+@Config
+export class AiConfig {
+	/** Whether AI features are enabled. */
+	@Env('N8N_AI_ENABLED')
+	enabled: boolean = false;
+}

packages/@n8n/config/src/configs/redis.config.ts

@@ -0,0 +1,8 @@
+import { Config, Env } from '../decorators';
+
+@Config
+export class RedisConfig {
+	/** Prefix for all Redis keys managed by n8n. */
+	@Env('N8N_REDIS_KEY_PREFIX')
+	prefix: string = 'n8n';
+}

packages/@n8n/config/src/index.ts

@@ -1,6 +1,7 @@
 import { z } from 'zod';
 
 import { AiAssistantConfig } from './configs/ai-assistant.config';
+import { AiConfig } from './configs/ai.config';
 import { AuthConfig } from './configs/auth.config';
 import { CacheConfig } from './configs/cache.config';
 import { CredentialsConfig } from './configs/credentials.config';
@@ -21,6 +22,7 @@ import { NodesConfig } from './configs/nodes.config';
 import { PartialExecutionsConfig } from './configs/partial-executions.config';
 import { PersonalizationConfig } from './configs/personalization.config';
 import { PublicApiConfig } from './configs/public-api.config';
+import { RedisConfig } from './configs/redis.config';
 import { TaskRunnersConfig } from './configs/runners.config';
 import { ScalingModeConfig } from './configs/scaling-mode.config';
 import { SecurityConfig } from './configs/security.config';
@@ -195,4 +197,14 @@ export class GlobalConfig {
 	/** Public URL where the editor is accessible. Also used for emails sent from n8n. */
 	@Env('N8N_EDITOR_BASE_URL')
 	editorBaseUrl: string = '';
+
+	/** URLs to external frontend hooks files, separated by semicolons. */
+	@Env('EXTERNAL_FRONTEND_HOOKS_URLS')
+	externalFrontendHooksUrls: string = '';
+
+	@Nested
+	redis: RedisConfig;
+
+	@Nested
+	ai: AiConfig;
 }

packages/@n8n/config/test/config.test.ts

@@ -348,6 +348,13 @@ describe('GlobalConfig', () => {
 				loginLabel: '',
 			},
 		},
+		redis: {
+			prefix: 'n8n',
+		},
+		externalFrontendHooksUrls: '',
+		ai: {
+			enabled: false,
+		},
 	};
 
 	it('should use all default values when no env variables are defined', () => {