feat: fix for tavily not defined

Author: nevo-david

libraries/nestjs-libraries/src/agent/agent.graph.service.ts

@@ -15,9 +15,8 @@ import { z } from 'zod';
 import { MediaService } from '@gitroom/nestjs-libraries/database/prisma/media/media.service';
 import { UploadFactory } from '@gitroom/nestjs-libraries/upload/upload.factory';
 import { GeneratorDto } from '@gitroom/nestjs-libraries/dtos/generator/generator.dto';
-import { IntegrationService } from '@gitroom/nestjs-libraries/database/prisma/integrations/integration.service';
 
-const tools = [new TavilySearchResults({ maxResults: 3 })];
+const tools = !process.env.TAVILY_API_KEY ? [] : [new TavilySearchResults({ maxResults: 3 })];
 const toolNode = new ToolNode(tools);
 
 const model = new ChatOpenAI({