Automated HR Service System with WhatsApp, GPT-4 Classification & Google Workspace

Who is this for? This workflow is ideal for HR teams, startups, and enterprises that want to handle employee interactions through WhatsApp and automate responses using LLM (OpenAI) and intelligent routing. What problem is this workflow solving? Managing WhatsApp messages manually can be time-consuming and error-prone. This workflow solves that by: Auto-classifying messages using LLM Routing them to the right AI-powered agent Automating leave approvals, attendance, HR FAQs, complaints, and candidate shortlisting Delivering final responses interactively via WhatsApp What this workflow does WhatsApp Trigger captures incoming messages LLM Classification analyzes message intent and outputs catego

Help me set up the n8n workflow "Automated HR Service System with WhatsApp, GPT-4 Classification & Google Workspace" (https://n8n.io/workflows/4975). It uses: Google Sheets, HTTP Request, WhatsApp Business Cloud, Code, AI Agent, Basic LLM Chain, Embeddings OpenAI, OpenAI Chat Model, Structured Output Parser, Call n8n Workflow Tool, Supabase Vector Store, OpenAI, Vector Store Question Answer Tool. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.