{
  "schema_version": "2026-07-14.visual-background-bakeoff.v1",
  "created_at": "2026-07-14T06:42:19Z",
  "method": "separate_clean_background_plate_generation",
  "prompt": "masterpiece, best quality, background plate, flatee, v3rd, empty small original Korean fortune-telling studio interior, straight-on stage composition, light wood floor, simple low shelf, one square window, one red floor cushion, two blank red paper tags without writing, simple geometric 2D cartoon background, clean uniform dark outlines, flat solid colors, limited balanced palette, low texture density, shallow depth, clear empty character safe zone in the center, clear caption safe zone at the top, clean reusable animation background",
  "negative_prompt": "character, person, people, face, mascot, text, letters, numbers, writing, calligraphy, logo, watermark, signature, photorealistic, realistic, 3d, cgi, glossy, painterly, watercolor, sketch, texture, grain, gradient, dramatic lighting, volumetric lighting, deep perspective, clutter, tiny objects, ornate detail, fisheye, tilted camera, blur",
  "runs": [
    {
      "variant_id": "animagine_plain_background",
      "checkpoint": "animagine-xl-4.0-opt.safetensors",
      "loras": [],
      "seed": 26071421,
      "elapsed_seconds": 22.578,
      "prompt_id": "444f2f20-ffea-4d80-b881-6459ab5338d5",
      "workflow": "/data/studio-core/artifacts/media_workbench_research/visual_quality_bakeoff_v1/background_plate_v1/workflows/animagine_plain_background.json",
      "outputs": [
        "/data/studio-core/artifacts/media_workbench_research/visual_quality_bakeoff_v1/background_plate_v1/outputs/animagine_plain_background_00001_.png"
      ]
    },
    {
      "variant_id": "animagine_backtoon",
      "checkpoint": "animagine-xl-4.0-opt.safetensors",
      "loras": [
        "BACKTOON_0.1_RC.safetensors"
      ],
      "seed": 26071421,
      "elapsed_seconds": 22.569,
      "prompt_id": "df94f24e-92fc-484e-bccd-83ede4daae3f",
      "workflow": "/data/studio-core/artifacts/media_workbench_research/visual_quality_bakeoff_v1/background_plate_v1/workflows/animagine_backtoon.json",
      "outputs": [
        "/data/studio-core/artifacts/media_workbench_research/visual_quality_bakeoff_v1/background_plate_v1/outputs/animagine_backtoon_00001_.png"
      ]
    },
    {
      "variant_id": "illustrious_backtoon",
      "checkpoint": "Illustrious-XL-v2.0.safetensors",
      "loras": [
        "BACKTOON_0.1_RC.safetensors"
      ],
      "seed": 26071421,
      "elapsed_seconds": 24.078,
      "prompt_id": "395ebeb4-1262-4a8c-b20e-b2be5d51c5a5",
      "workflow": "/data/studio-core/artifacts/media_workbench_research/visual_quality_bakeoff_v1/background_plate_v1/workflows/illustrious_backtoon.json",
      "outputs": [
        "/data/studio-core/artifacts/media_workbench_research/visual_quality_bakeoff_v1/background_plate_v1/outputs/illustrious_backtoon_00001_.png"
      ]
    }
  ],
  "contact_sheet": "/data/studio-core/artifacts/media_workbench_research/visual_quality_bakeoff_v1/background_plate_v1/background_contact_sheet.jpg",
  "acceptance_gate": [
    "no characters, faces, text, logos, or watermarks",
    "flat line and palette grammar matches approved character profile",
    "center character safe zone remains low detail",
    "top caption safe zone remains readable",
    "scene objects remain reusable and spatially coherent"
  ],
  "status": "visual_review_required"
}