{
  "1": {
    "class_type": "UNETLoader",
    "_comment": "Z-Image Turbo NVFP4 quant — Blackwell GB10 native tensor core 가속용",
    "inputs": {
      "unet_name": "z_image_turbo_nvfp4.safetensors",
      "weight_dtype": "default"
    }
  },
  "2": {
    "class_type": "CLIPLoader",
    "_comment": "Qwen3-4B text encoder — type 'lumina2' routes to z_image.te() for QWEN3_4B model",
    "inputs": {
      "clip_name": "qwen_3_4b.safetensors",
      "type": "lumina2",
      "device": "default"
    }
  },
  "3": {
    "class_type": "VAELoader",
    "_comment": "Z-Image VAE",
    "inputs": {
      "vae_name": "ae.safetensors"
    }
  },
  "4": {
    "class_type": "ModelSamplingAuraFlow",
    "_comment": "Apply ZImage flowmatch sigma schedule (shift=3.0)",
    "inputs": {
      "model": [
        "1",
        0
      ],
      "shift": 3.0
    }
  },
  "5": {
    "class_type": "TextEncodeZImageOmni",
    "_comment": "Positive conditioning — prompt is injected by dockaiq runner.",
    "inputs": {
      "clip": [
        "2",
        0
      ],
      "prompt": "a woman portrait, upper body",
      "auto_resize_images": true
    }
  },
  "6": {
    "class_type": "TextEncodeZImageOmni",
    "_comment": "Negative conditioning — empty for turbo speed runs.",
    "inputs": {
      "clip": [
        "2",
        0
      ],
      "prompt": "full body, cowboy shot",
      "auto_resize_images": true
    }
  },
  "7": {
    "class_type": "EmptySD3LatentImage",
    "_comment": "Latent (width/height overridable via runner spec-override).",
    "inputs": {
      "width": 1024,
      "height": 1024,
      "batch_size": 1
    }
  },
  "8": {
    "class_type": "KSampler",
    "_comment": "ZIT 공식 권장 — 4 steps, cfg 1.0, res_multistep/simple (ADR-060).",
    "inputs": {
      "model": [
        "4",
        0
      ],
      "positive": [
        "5",
        0
      ],
      "negative": [
        "6",
        0
      ],
      "latent_image": [
        "7",
        0
      ],
      "seed": 682757709,
      "steps": 4,
      "cfg": 1.0,
      "sampler_name": "res_multistep",
      "scheduler": "simple",
      "denoise": 1.0
    }
  },
  "9": {
    "class_type": "VAEDecode",
    "_comment": "Decode latent to image.",
    "inputs": {
      "samples": [
        "8",
        0
      ],
      "vae": [
        "3",
        0
      ]
    }
  },
  "10": {
    "class_type": "SaveImage",
    "_comment": "Save fast-profile NVFP4 output",
    "inputs": {
      "images": [
        "9",
        0
      ],
      "filename_prefix": "z-image-turbo-fast-spark-nvfp4_j024656"
    }
  }
}