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  "limitations": [
    "Percentages divide matched original calls/tokens by the full corpus denominator, not by proposals.",
    "Proposal match percentage is descriptive precision, not deployment safety or task success.",
    "Programs see prior/current observations; future calls are replay labels only.",
    "Original recorded token counts are known; avoiding those calls is conditional on dispensable reasoning and successful program execution.",
    "Gross estimates exclude routing/program/false-positive costs and future context/cache effects.",
    "Per-program savings may overlap; combined totals deduplicate targets and exclude dependent adjacent substitutions.",
    "New candidates use candidate-specific discovery/validation issue partitions; previously inspected discovery issues are excluded from validation. This corpus is not untouched external validation.",
    "Coverage-only or EOF-equivalent scenarios are not added to exact totals.",
    "No recorded commands are executed and no paid model calls occur."
  ]
}
