AI-Powered Knowledge Assistant using Google Sheets, OpenAI, and Supabase Vector Search

AI-Powered GitHub Commit Reviewer Overview Workflow Name: AI-Powered GitHub Commit Reviewer Author: Akhil Purpose: This n8n workflow triggers on a GitHub push event, fetches commit diffs, formats them into HTML, runs an AI-powered code review using Groq LLM, and sends a detailed review via email. How It Works (Step-by-Step) 1. GitHub Trigger Node Type: n8n-nodes-base.githubTrigger Purpose: Initiates the workflow on GitHub push events. Repo: akhilv77/relevance Output: JSON with commit and repo details. 2. Parser Node Type: n8n-nodes-base.set Purpose: Extracts key info (repo ID, name, commit SHA, file changes). 3. HTTP Request Node Type: n8n-nodes-base.httpRequest Purpose: Fetches commit diff

Help me set up the n8n workflow "AI-Powered Knowledge Assistant using Google Sheets, OpenAI, and Supabase Vector Search" (https://n8n.io/workflows/4477). It uses: HTTP Request, Gmail, Code, AI Agent, Simple Memory, Groq Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.