Author

Yuan Lu

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Preprint Aug 2026

StreamArena: Toward Continuous, Interactive, and Long-Horizon Agentic Streaming Video Understanding

StreamMind is introduced, a two-tier architecture that assigns latency-critical interaction and proactive monitoring to independently scheduled frontend workers, while backend workers asynchronously construct persistent multimodal memory and perform historical recall and external search.

Xichen Zhang, Guankai Li, Yinghao Zhu et al. · 1 citation

Preprint Aug 2026

Harness-R1: Learning to Edit Executable Runtime Harnesses from Agent Failure Trajectories

This work introduces Harness-R1, the first method, to the authors' knowledge, that makes failure-conditioned, lifecycle-wide editing of an existing executable runtime a learned capability, and post-trains a dedicated harness engineer with online reinforcement learning so that its edits are optimized for the realized ta...

Shuai Shao, Kangning Zhang, Qingyao Li et al. · 10 citations · ⚡2

#artificial intelligence Preprint Aug 2026

SkillGate: Training In-Policy Skill Selection in Long-Horizon Agents

SkillGate lifts a 9B policy from 40.8% to 53.2% trial success, well ahead of the identical budget spent on outcome reward alone, while cutting exposure to misleading candidates by two thirds and reading fewer skills.

Qingyao Li, Wenxiang Jiao, Shuai Shao et al. · 2 citations