{
  "schema_version": "fwdvar_diagnostics_v4",
  "issues": [
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      "code": "rejected",
      "scope": "expiry",
      "severity": "INFO",
      "expiry_dt": "2026-09-29",
      "interval_from": null,
      "interval_to": null,
      "strike": null,
      "target_key": "2026-09-29",
      "message_short": "Rejected: missing_quotes",
      "message_long": "Expiry rejected: missing_quotes",
      "metrics": {
        "reject_reason": "missing_quotes"
      }
    },
    {
      "code": "rejected",
      "scope": "expiry",
      "severity": "INFO",
      "expiry_dt": "2027-03-30",
      "interval_from": null,
      "interval_to": null,
      "strike": null,
      "target_key": "2027-03-30",
      "message_short": "Rejected: insufficient_strikes",
      "message_long": "Expiry rejected: insufficient_strikes",
      "metrics": {
        "reject_reason": "insufficient_strikes"
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    },
    {
      "code": "elevated_fwdvol",
      "scope": "interval",
      "severity": "WARN",
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      "interval_from": "2026-04-21",
      "interval_to": "2026-04-28",
      "strike": null,
      "target_key": "04-21\u219204-28",
      "message_short": "Elevated fwd vol (31.1%)",
      "message_long": "Forward volatility: 31.1% (threshold: 30%)",
      "metrics": {
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        "threshold": 0.3
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    },
    {
      "code": "elevated_fwdvol",
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      "severity": "WARN",
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      "interval_from": "2026-04-28",
      "interval_to": "2026-05-05",
      "strike": null,
      "target_key": "04-28\u219205-05",
      "message_short": "Elevated fwd vol (31.1%)",
      "message_long": "Forward volatility: 31.1% (threshold: 30%)",
      "metrics": {
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        "threshold": 0.3
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  "summary": {
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    "fail_count": 0,
    "warn_count": 2,
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    "build_metadata": {
      "git_commit": "4965bf1d",
      "build_timestamp": "2026-04-17T07:30:08.626870+00:00",
      "python_version": "3.13"
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      "sliding_windows_requested": false,
      "diagnostics_level": "lite",
      "tau_mode": "variance_time",
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    "ui_limits": {
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      "max_horizon_label": "8w_liquid",
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      "tz": "Asia/Kolkata",
      "notes": "UI clamps horizon; avoid LEAPS/illiquid expiries beyond 8 weeks"
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    "ui_capabilities": {
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      "counts": {
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      "source": "market_calendar.list_upcoming_events",
      "id_namespace": "market_calendar",
      "id_format": "CATEGORY_YYYYMM",
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}