arXiv AI By Miaobo Hu, Shuhao Hu, Xiaobo Guo, Xin Wang, Bokun Wang, Tianshu Fu, Daren Zha, Jun Xiao

ROUTEAUDIT: Interaction-Aware Identification for Budgeted Multi-Verifier Routing

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ROUTEAUDIT presents a framework for identifying and attributing performance in adaptive multi‑verifier routing systems. It treats routing as a contract‑conditioned identification problem, adding measurable objects such as a contract lattice, a policy‑independent response tape, and request‑level bounds to capture path sensitivity and finite‑population intervals. Experiments on held‑out caches and task requests demonstrate improved quality metrics and precise attribution with low reconstruction error.

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arXiv AI
Sep 2

Invalidation Contracts for Cross-Episode Agent Memory

The paper proposes invalidation contracts to manage cached recovery suggestions in LLM agents, attaching version stamps and cacheability hints to each suggestion so stale entries can be evicted without trial and error. The protocol separates realized savings into validity (protocol‑dependent) and compliance (planner‑dependent), showing that row‑level invalidation can significantly improve first‑try compliance and recover a substantial portion of token costs across multiple models, while table‑level invalidation can be detrimental. The study evaluates the approach across seven models, three serving paths, two domains, and about 9,400 episodes, demonstrating deterministic validity and high eviction precision.

By Michael Wu, Arquimedes Canedo