{ "schema_version": "fwdvar_diagnostics_v4", "issues": [ { "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" } }, { "code": "low_source", "scope": "interval", "severity": "WARN", "expiry_dt": null, "interval_from": "2026-05-19", "interval_to": "2026-05-26", "strike": null, "target_key": "05-19\u219205-26", "message_short": "LOW confidence", "message_long": "Event confidence: LOW (baseline 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