{
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      "message_long": "Accept tier: LOW (DIRECT_STRADDLE_ONLY path)",
      "metrics": {}
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      "interval_to": null,
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      "target_key": "2027-03-30",
      "message_short": "LOW tier (direct straddle)",
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      "metrics": {}
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      "interval_to": null,
      "strike": null,
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      "interval_to": "2026-08-04",
      "strike": null,
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      "message_long": "Baseline quality: FALLBACK (edge case)",
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      "interval_to": "2026-08-25",
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}