Author

Weiwei Li

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Preprint Aug 2026

When Privileged Guidance Misaligns: State-Matched Routing and Contextualized Self-Distillation for Multi-Turn Agents

State-Matched Routing and Contextualized Self-Distillation (SMRC-SD), which explicitly determines when and how a privileged trajectory should guide an on-policy student, consistently outperforms unconditional successful full-path distillation.

Junzhuo Liu, Weiwei Li, Jun Ling et al. · 3 citations

Preprint Aug 2026

The Next Screenshot Knows: Gated Hindsight Distillation for Mobile GUI Agents

GUI agents are commonly trained offline from successful interaction trajectories. Standard training decomposes each trajectory into prefix-action pairs: the agent predicts an action from the current screen and interaction history, while the subsequent observation is discarded. This removes the rationale of why an actio...

Weiwei Li, Junzhuo Liu, Tong Chu et al. · 1 citation · ⚡1