Embedding-cosine thresholds used as meaning gates instead measure lexical overlap, so in the target cases of reversal-versus-paraphrase the gates fire backwards; a matched-pair audit reveals the regime.
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Similarity Gates Approve Reversals: A Validity Audit of Embedding-Cosine Thresholds in Agent Systems
Embedding-cosine thresholds used as meaning gates instead measure lexical overlap, so in the target cases of reversal-versus-paraphrase the gates fire backwards; a matched-pair audit reveals the regime.