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Study implements a safety invariant to enhance KV-cache reuse in multi-agent systems, indicating significant efficiency without safety violations.
Cross-agent KV-cache reuse delivers 7-17x compression in multi-agent LLM pipelines, but silently corrupts judge/critic agents via the Judge Candidate Reuse (JCR) failure mode. We introduce INV-15, a formal safety invariant requiring judge-class agents with JCR risk score above 0.7 to use dense prefill. Implemented as the JCR Safety Gate in ContextForge (AMD Instinct MI300X, ROCm 7.x, vLLM V1 ATOM plugin). Results: 0 INV-15 violations, critic dense prefill rate 1.000, compatible with 10.81x TokenDance compression. First production implementation of a formal safety invariant for cross-agent KV-cache reuse.
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Pablo M. Suarez (2026) studied this question.
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