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Behind the Curtain: How Hidden Prompt Instructions Shape LLM Behavior in Customer Support

This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.

Introduction When a user asks WhatsApp’s support chatbot for help, the answer they receive is not just a raw language model output. It is the product of a retrieval‑augmented generation (RAG) pipeline that pulls in context from the company’s own knowledge base, then steers the model with hidden pro…

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  1. 2026-10-21 01:00 · DEV Community — AI
    Behind the Curtain: How Hidden Prompt Instructions Shape LLM Behavior in Customer Support

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