TRACE ranks visual tokens by relevance, diversity and screen coverage without additional model training. It also contracts the state retained from older frames.
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Accumulating screenshots makes visual-context management a problem of its own.
External memory enables LLM agents to improve from experience, but can also lead to memory-induced degradation, where an agent fails on tasks it could solve without memory. To address this, WikiTrace, an evidence-linked memory system, is introduced, allowing agents to verify each lesson against its original trajectory.
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