feat: Add Ask assistant behind feature flag (#9995)

Co-authored-by: Ricardo Espinoza <ricardo@n8n.io>
Co-authored-by: Milorad Filipovic <milorad@n8n.io>

packages/cli/src/services/aiAsisstant.service.ts

@@ -0,0 +1,54 @@
+import { Service } from 'typedi';
+import type { AiAssistantSDK } from '@n8n_io/ai-assistant-sdk';
+import { AiAssistantClient } from '@n8n_io/ai-assistant-sdk';
+import { assert, type IUser } from 'n8n-workflow';
+import { License } from '../License';
+import { N8N_VERSION } from '../constants';
+import config from '@/config';
+import type { AiAssistantRequest } from '@/requests';
+import type { Response } from 'undici';
+
+@Service()
+export class AiAssistantService {
+	private client: AiAssistantClient | undefined;
+
+	constructor(private readonly licenseService: License) {}
+
+	async init() {
+		const aiAssistantEnabled = this.licenseService.isAiAssistantEnabled();
+		if (!aiAssistantEnabled) {
+			return;
+		}
+
+		const licenseCert = await this.licenseService.loadCertStr();
+		const consumerId = this.licenseService.getConsumerId();
+		const baseUrl = config.get('aiAssistant.baseUrl');
+		const logLevel = config.getEnv('logs.level');
+
+		this.client = new AiAssistantClient({
+			licenseCert,
+			consumerId,
+			n8nVersion: N8N_VERSION,
+			baseUrl,
+			logLevel,
+		});
+	}
+
+	async chat(payload: AiAssistantSDK.ChatRequestPayload, user: IUser): Promise<Response> {
+		if (!this.client) {
+			await this.init();
+		}
+		assert(this.client, 'Assistant client not setup');
+
+		return await this.client.chat(payload, { id: user.id });
+	}
+
+	async applySuggestion(payload: AiAssistantRequest.SuggestionPayload, user: IUser) {
+		if (!this.client) {
+			await this.init();
+		}
+		assert(this.client, 'Assistant client not setup');
+
+		return await this.client.applySuggestion(payload, { id: user.id });
+	}
+}

packages/cli/src/services/frontend.service.ts

@@ -160,6 +160,9 @@ export class FrontendService {
 			workflowTagsDisabled: config.getEnv('workflowTagsDisabled'),
 			logLevel: config.getEnv('logs.level'),
 			hiringBannerEnabled: config.getEnv('hiringBanner.enabled'),
+			aiAssistant: {
+				enabled: false,
+			},
 			templates: {
 				enabled: this.globalConfig.templates.enabled,
 				host: this.globalConfig.templates.host,
@@ -279,6 +282,7 @@ export class FrontendService {
 		const isS3Selected = config.getEnv('binaryDataManager.mode') === 's3';
 		const isS3Available = config.getEnv('binaryDataManager.availableModes').includes('s3');
 		const isS3Licensed = this.license.isBinaryDataS3Licensed();
+		const isAiAssistantEnabled = this.license.isAiAssistantEnabled();
 
 		this.settings.license.planName = this.license.getPlanName();
 		this.settings.license.consumerId = this.license.getConsumerId();
@@ -331,6 +335,10 @@ export class FrontendService {
 			this.settings.missingPackages = this.communityPackagesService.hasMissingPackages;
 		}
 
+		if (isAiAssistantEnabled) {
+			this.settings.aiAssistant.enabled = isAiAssistantEnabled;
+		}
+
 		this.settings.mfa.enabled = config.get('mfa.enabled');
 
 		this.settings.executionMode = config.getEnv('executions.mode');