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arXiv — cs.AI preprintsInternational19 October 2026

Beyond Semantic Organization: Memory as Execution State Management for Long-Horizon Agents

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arXiv:2606.06090v2 Announce Type: replace Abstract: LLM-based agents increasingly tackle long-horizon tasks with interdependent decisions, where each action reshapes future constraints and intermediate errors can cascade. Existing RAG and agent memory systems organize histories by semantic similarity, retrieving content-relevant entries at decision time. We argue that this design mismatches execution-state dependencies: it fragments decision trajectories and mixes valid and erroneous traces, hindering coherent state reconstruction and error isolation. We propose MAGE (Memory as Agent-Guided Ex
— arXiv — cs.AI preprints

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