Remark. Persistence can preserve progress and specification gaming [ftip-00D8]
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    Versioned notes, memories, skills, and subagent specifications can preserve useful work across context boundaries. The same retention channel can preserve an exploit, a stale evaluator assumption, or a misleading proxy-optimized procedure. Prime Agent reports both continual retained-state refinement and the Factorio exploit record [karten2026prime, Sections 2.5 and 3.5].

    The retention mechanism therefore supplies persistence, not correctness. Correctness requires a declared task contract, provenance, an audit interface, and a recovery rule. Neither a longer archive nor more descendants alone certifies improved task utility.