Smart Customer Support System with GPT-4o, Gmail, Slack & Drive Knowledge Base'

The AI Support Agent combines Gmail, Slack, and Google Drive into a seamless support workflow powered by GPT-4o and Pinecone. 🧠 Email Monitoring – New support emails are pulled from Gmail every minute. 📤 Classification – AI categorizes emails (e.g., billing, support, spam, urgent). 📚 Knowledge-Based Replies – GPT-4o drafts personalized replies using your support documents synced from Google Drive and stored in Pinecone. 📩 Automatic Response – The agent replies to the customer in the same Gmail thread. 🚨 Escalation Detection – If human support is needed, Slack is notified instantly. 📊 Logging – Each interaction is logged in Google Sheets for tracking and analysis. 🔁 Live Sync – Any doc

Help me set up the n8n workflow "Smart Customer Support System with GPT-4o, Gmail, Slack & Drive Knowledge Base'" (https://n8n.io/workflows/4543). It uses: Google Sheets, HTTP Request, Google Drive, Code, AI Agent, Embeddings OpenAI, OpenAI Chat Model, Recursive Character Text Splitter, Pinecone Vector Store, Default Data Loader, Text Classifier. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.