WhatsApp Support Bot with Google Drive RAG, GPT-4.1-mini and Cohere Reranking

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WhatsApp RAG Agent (Text + Voice) with Weekly Google Drive Sync One-line summary : Answers WhatsApp in under 100 words, understands voice notes, and retrieves trusted answers from your Google Drive docs (RAG) kept fresh weekly. What this template does Reply to WhatsApp messages* in a polite, human tone with *≤100 words**. Understands text and voice notes**: auto-downloads audio and transcribes to text. Retrieves answers from your knowledge base (RAG)**: Google Drive docs → chunk → embed → sto