{
  "run_at": "2026-05-13T15:17:19+08:00",
  "host": "mason-main",
  "shard": 0,
  "shards": 8,
  "symbols": 39,
  "combos": 6552,
  "failed": 0,
  "trades": 1547,
  "wins": 805,
  "losses": 742,
  "realized_roi_pct": 1582.4,
  "output": "/tmp/quant-sweep-20260513_151707_strategy1_refined-0.jsonl"
}