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Engineering wants a semantic cache that reuses answers to similar questions. What could go wrong, and how would you design it safely?

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A cost lever that can silently serve wrong answers and leak one user's data to another. The interviewer wants the failure modes and a design that keeps the savings where they are safe.

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A cost lever that can silently serve wrong answers and leak one user's data to another. The interviewer wants the failure modes and a design that keeps the savings where they are safe.

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