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How I stop an AI support bot from promising refunds: a fail-closed policy guard for n8n

I built an AI customer support desk in n8n (37 nodes). It reads tickets from an inbox or a form, classifies them with Gemini, looks up the order in Shopify, drafts a reply from the business's own knowledge base, and logs everything. The hard part was not the AI. It was deciding when the AI is allow…

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  1. 2026-11-13 11:01 · DEV Community — AI
    How I stop an AI support bot from promising refunds: a fail-closed policy guard for n8n

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