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Research2026-07-18 · source-backed
AgenticSTS (arXiv 2607.02255) uses Slay the Spire 2 as a bounded-memory testbed, isolating how explicit memory layers change outcomes across hundreds of decisions. Enabling a triggered strategic-skill layer took the win rate from 3/10 to 6/10 versus a no-store baseline, using typed retrieval instead of appending raw transcript. The bounded design keeps prompt size flat regardless of run length, which is what makes the ablations clean. 298 documented trajectories and frozen memory snapshots released.
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