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  "caveats": [
    "Cxx/L02 overlap; never sum as independent cases",
    "Reference labels are approximate, not exact GT",
    "Existing action_cases negative labels beyond new feedback are not newly confirmed false alarms",
    "L01 frame8133 Event moves to8143 within the same reported shoulder-embrace interval",
    "The candidate is not adopted; no engine/model/production deployment"
  ]
}