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Source-Aware LLM Cache Invalidation: Build a Freshness Contract

The support answer arrives in 80 milliseconds, sounds clear, and is wrong. The refund policy changed an hour ago, but a semantic cache is still returning an answer generated from the old document. The model did not hallucinate. The system served yesterday's work as if it were current. That distinct…

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  1. 2026-10-31 03:31 · DEV Community — AI
    Source-Aware LLM Cache Invalidation: Build a Freshness Contract

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