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    "end": "20260806",
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    "historicalMembershipComplete": false
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      "exposure": 0.2,
      "delayMinutes": 3,
      "costBps": 5.0,
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  "selectedPolicy": "CASH_CONTROL",
  "selectedPolicyFinalHoldout": {
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    "totalReturn": 0.0,
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    "sharpe": 0.0,
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  "promotion": "BLOCKED",
  "reasons": [
    "若校准与验证没有正净优势，现金控制优先，禁止强迫交易。",
    "历史逐日官方T+0成员仍不完整；当前成分历史存在幸存者偏差。",
    "缺少历史IOPV、券商Level-2真实队列和券商委托回报。",
    "任何风险策略必须再经过60个新交易日前向影子验证和人工批准。"
  ],
  "realOrders": 0
}