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    "story_id": "mp-2026-08-25-011",
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    "headline": "The Old Screenshot Returned Only When It Mattered",
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    "dek": "CausalCache spends a fixed visual-memory budget on the past events with the highest conditional utility.",
    "summary": "CausalCache spends a fixed visual-memory budget on the past events with the highest conditional utility.",
    "body_text": "On OSWorld-Verified, restoring selected history images was worth about 13 success points over summary-only memory, although same-budget allocation methods were indistinguishable on desktop. A zero-shot mobile test produced a 3.7-point overall gain and an 8.6-point gain on the predeclared memory-critical split.",
    "why_it_matters": "CausalCache spends a fixed visual-memory budget on the past events with the highest conditional utility.",
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      "On OSWorld-Verified, restoring selected history images was worth about 13 success points over summary-only memory, although same-budget allocation methods were indistinguishable on desktop."
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        "qualification": "On OSWorld-Verified, restoring selected history images was worth about 13 success points over summary-only memory, although same-budget allocation methods were indistinguishable on desktop."
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    "tags": [
      "GUI agents",
      "visual memory",
      "long-horizon tasks"
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  "sources": [
    {
      "source_id": "source-2026-08-25-011",
      "title": "arXiv preprint 2608.22577",
      "publisher": "arXiv",
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      "published_at": "2026-08-23T16:04:21.000-04:00",
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    "title": "The Old Screenshot Returned Only When It Mattered",
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