WA RAG Chatbot is an AI-powered WhatsApp chatbot that uses Retrieval-Augmented Generation to answer customer messages based on a business knowledge base. It includes an admin dashboard for monitoring inboxes, viewing chat history, uploading documents, managing human takeover, sending manual replies, and tracking unanswered leads. Built with NestJS, Vue 3, Prisma, PostgreSQL, Qdrant, Evolution API, Apache Tika, and Docker Compose.