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Author

Lei Xue

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Preprint Aug 2026

DreamGuard: Efficient Runtime Guardrail for LLM Agents via Risk-Aware World Model

DreamGuard is proposed, a proactive guardrail for LLM agents built around a risk-aware world model that maintains a compact recurrent latent state over the trajectory and predicts future latent states from which DreamGuard derives immediate-hazard and prefix-risk evidence.

Wenhao Lin, Cheng-Yu Yu, Xingwei Lin et al. · 3 citations

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