Chat with Documents via RAG: Google Drive to GPT-5 with Supabase Vector Database

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📄 n8n RAG Ingestion & Query Workflow Overview This workflow is your all-in-one pipeline to turn any document into a powerful searchable knowledge base using RAG (Retrieval-Augmented Generation). From the moment a file lands in your Google Drive, it’s automatically processed, understood, and made ready for instant AI-powered answers. If you’re looking to unlock hidden value in your files and get answers in seconds instead of hours, this workflow is the foundation you need. What It Does for