Design an LLM Gateway

Every team running LLMs in production reaches the same architectural moment: ad-hoc SDK calls scattered across services become unbearable when (a) one provider has an outage and you cannot fail over, (b) one team's runaway agent loop bills the company $50K in 20 minutes, (c) a vendor price change requires editing 30 codebases, (d) compliance asks "where does prompt data go?" and there is no single answer. The LLM gateway is the architectural pattern that resolves all four — and the senior engine

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