{
  "qwen-image-2512-GGUF-Q4-SamplerCustomAdvanced-v4": {
    "attempts": 4,
    "patterns": [
      "EmptyLatentImage",
      "EmptyQwenImageLayeredLatentImage",
      "ModelSamplingAuraFlow+EmptySD3LatentImage",
      "SamplerCustomAdvanced+ModelSamplingAuraFlow"
    ],
    "all_results": "5KB 검정 latent",
    "hypothesis": "Qwen-Image GGUF Q4_K_S + CUDA 13.0 + PyTorch 2.12 환경 호환성 또는 다른 quant 필요 (Q8/fp16)",
    "next_attempts": [
      "non-GGUF Qwen-Image safetensors",
      "Lightning LoRA 적용",
      "다른 sampler (dpmpp_2m/ddim)",
      "다른 shift 값 (1.73/5.0)"
    ]
  },
  "pulid-flux-fusion-concat-max-R2": {
    "fusion_modes_tested": [
      "concat",
      "max"
    ],
    "weight": 0.85,
    "result": "워크플로우 에러로 실행 안 됨 (history 누락)",
    "next_attempts": [
      "fusion=mean weight 변동 (R1 mean 0.85 성공)",
      "다른 fusion mode (norm_id, auto_weight)"
    ]
  },
  "qwen-2512-KSampler-dpmpp2m-v5-R2": {
    "params": "KSampler dpmpp_2m simple 20step CFG 4 1024x1024",
    "result": "no output (history 누락, 워크플로우 에러)",
    "total_attempts_now": 5,
    "hypothesis_strengthened": "Qwen-Image GGUF Q4 자체 호환성 결함 — non-GGUF 또는 다른 quant 필요"
  },
  "R3-cast-to-device-OOM": {
    "round": 3,
    "failed_combos": 5,
    "comfyui_error": "model_management.cast_to_device — dtype/VRAM 부담",
    "vram_free_at_error": "4.6GB / 12GB total",
    "all_workflows_affected": [
      "PuLID mean w0.5",
      "PuLID mean w1.0",
      "Qwen-Edit-2511 inpaint",
      "Schnell A v2",
      "Pony B 한옥"
    ],
    "next_attempts": [
      "워크플로우 단순화 (단일 모델만)",
      "해상도 ↓ (640×1024)",
      "PuLID 제거"
    ]
  },
  "comfyui-memory-leak-resolved-R7": {
    "issue": "5h+ 실행 후 cast_to_device OOM (R3 5/5 / R5 4/5 / R6 4/5 실패)",
    "diagnosis": "VRAM 4.6GB free (모델 unload 안 됨)",
    "resolution": "sudo systemctl restart comfyui → VRAM 10.98GB free → R7 5/5 100% 성공",
    "operational_protocol": "긴 R&D 세션 시 5라운드마다 ComfyUI 재시작 권장"
  },
  "qwen-family-gguf-Q4-environment-incompatibility-CONFIRMED-6attempts": {
    "models_tested": [
      "qwen-image-2512-Q4",
      "qwen-image-edit-2511-Q4"
    ],
    "samplers_tested": [
      "KSampler euler simple",
      "SamplerCustomAdvanced",
      "KSampler dpmpp_2m simple",
      "KSampler euler simple Edit"
    ],
    "patterns_tested": [
      "EmptyLatent",
      "EmptyQwenLayered",
      "ModelSamplingAuraFlow+SD3",
      "SamplerCustomAdvanced+ModelSampling",
      "1024x1024 KSampler dpmpp_2m",
      "Qwen-Edit 인페인트 denoise 0.7",
      "Qwen-Edit denoise 0.85"
    ],
    "verdict": "GGUF Q4 + CUDA 13.0 + PyTorch 2.12 환경 호환성 결함 — 6차 모두 5KB latent",
    "next_track": "non-GGUF safetensors 또는 다른 quant (Q8/fp16) 필요 — 본 트랙에서는 한자 정확 렌더링 = Pony score_9 만 가능"
  },
  "r1-1-2-pastel-low-flux-dev": [
    {
      "round": "R1-clean",
      "id": "1-2",
      "variant": "PuLID weight 0.85 mean delayed_start 0.05 (concat-replacement)",
      "pastel_pct": 9.99,
      "black_pct": 13.98,
      "note": "auto-classified pastel-low (delayed start_at + concat replacement)"
    }
  ],
  "flux-dev-pulid-redux-1024x1792-VAEDecode-OOM-R3": [
    {
      "round": "R3-clean",
      "id": "3-3",
      "variant": "PuLID 0.7 + Redux 0.7 @ 1024x1792",
      "error": "CUDA invalid argument at VAEDecode (memory pressure with 768->1024 upscale)"
    }
  ],
  "qwen-fp8-lightning-lora-scheduler-simple-cfg1-black-output-R3": [
    {
      "round": "R3-clean",
      "id": "3-4",
      "variant": "Qwen fp8 + Lightning LoRA 4-step euler/simple cfg=1.0",
      "note": "pastel=0% black=100% — Lightning LoRA likely needs lcm scheduler or different cfg; output completely black"
    }
  ],
  "qwen-fp8-lightning-lora-LCM-still-black-output-R4": [
    {
      "round": "R4-clean",
      "id": "4-4",
      "variant": "Qwen fp8 + Lightning LoRA 4-step lcm/normal cfg=1.0",
      "note": "pastel=0% black=100% — lcm scheduler 도 해결 X, Lightning LoRA strength_clip=1.0 부적절 의심"
    }
  ],
  "qwen-fp8-FULL-25step-eulerA-cfg25-black-output-R5": [
    {
      "round": "R5-clean",
      "id": "5-4",
      "variant": "Qwen fp8 (no Lightning) 25-step euler/normal cfg=2.5",
      "note": "pastel=0% black=100% — Qwen-Image fp8 워크플로 구조 결함 (ModelSamplingAuraFlow shift 노드 누락 의심). 3회 연속 black 출력 (R3-4, R4-4, R5-4 동일)"
    }
  ],
  "qwen-fp8-ModelSamplingAuraFlow-shift3-still-black-R6": [
    {
      "round": "R6-clean",
      "id": "6-4",
      "variant": "Qwen fp8 + ModelSamplingAuraFlow shift=3.0 + 30 step euler/simple cfg=2.5",
      "note": "pastel=0% black=100% — ModelSamplingAuraFlow도 해결 X. 4회 연속 black (R3,R4,R5,R6). Qwen fp8 워크플로 구조 근본 결함 - 다른 접근 필요 (Qwen-Image 2.0 native sampler? text_encoders 분리?)"
    }
  ]
}