{
  "round": 1,
  "captured_at": "2026-05-19T21:57:10.975065",
  "combos": [
    {
      "id": "1-1",
      "prompt_id": "3b6d1ef1-163c-484b-93bd-1965a5dd59b3",
      "models_used": [
        "pony-v6"
      ],
      "prompt_set": "A",
      "stage": "1-only",
      "status": "OK",
      "size_bytes": 1537272,
      "width": 768,
      "height": 1344,
      "aspect": 0.5714,
      "black_pct": 0.61,
      "pastel_pct": 42.5,
      "thumb_size_kb": 540
    },
    {
      "id": "1-2",
      "prompt_id": "472d7fc4-0234-40f9-be7d-3e25e3d04b32",
      "models_used": [
        "flux-dev"
      ],
      "prompt_set": "A",
      "stage": "1-only",
      "status": "OK",
      "size_bytes": 1148193,
      "width": 768,
      "height": 1344,
      "aspect": 0.5714,
      "black_pct": 3.11,
      "pastel_pct": 20.1,
      "thumb_size_kb": 374
    },
    {
      "id": "1-3",
      "prompt_id": "117742cb-1615-44ec-9f7b-5c558af278f8",
      "models_used": [
        "flux-dev",
        "pulid-flux"
      ],
      "prompt_set": "A",
      "stage": "1+pulid",
      "status": "OK",
      "size_bytes": 1090948,
      "width": 768,
      "height": 1344,
      "aspect": 0.5714,
      "black_pct": 0.73,
      "pastel_pct": 30.2,
      "thumb_size_kb": 377
    },
    {
      "id": "1-4",
      "prompt_id": "b4ec98ac-2f7f-4dd5-9e47-5bfdcc78cf3c",
      "models_used": [
        "flux-dev"
      ],
      "prompt_set": "B",
      "stage": "1-only",
      "status": "OK",
      "size_bytes": 1765589,
      "width": 768,
      "height": 1344,
      "aspect": 0.5714,
      "black_pct": 0.0,
      "pastel_pct": 29.7,
      "thumb_size_kb": 512
    },
    {
      "id": "1-5",
      "prompt_id": "54ee2273-7585-4618-8b51-b74ded23cf05",
      "models_used": [
        "qwen-image-2512"
      ],
      "prompt_set": "C",
      "stage": "1-only",
      "workflow_variant": "SamplerCustomAdvanced v4",
      "status": "FAILED_SMALL",
      "size_bytes": 5540,
      "width": 768,
      "height": 1344,
      "aspect": 0.5714,
      "black_pct": 100.0,
      "pastel_pct": 0.0,
      "thumb_size_kb": 1
    }
  ],
  "learning": {
    "passed_count": 4,
    "failed_count": 1,
    "best_pastel": "1-1",
    "next_round_hint": "auto-determine based on round learning"
  }
}