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      "strike": null,
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      "message_short": "LOW tier (direct straddle)",
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      "interval_to": null,
      "strike": null,
      "target_key": "2027-03-30",
      "message_short": "Rejected: insufficient_strikes",
      "message_long": "Expiry rejected: insufficient_strikes",
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      "message_short": "LOW confidence",
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      "interval_to": "2026-08-04",
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    "build_metadata": {
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}