meeting-103 v2.1 clean R7+R8 🏆 BREAKTHROUGH: dpmpp_2m karras = pastel 82.43%

R7 (3/5 success, R6-2 sweet spot 확인):
- 7-1: PuLID 0.85 (default ref) → 64.45% (less than R6-2)
- 7-2: PuLID 0.6 (default ref) → 65.93%
- 7-3: seed 999777 → CUDA error
- 7-4: Stage 3 Refiner d=0.20 → CUDA error
- 7-5: Pony V6 60갑자 calligraphy → 18.09% (검정 회피 OK)

R8 (5/5 success, 🏆 거대한 발견):
- 8-1: seed 200000 → 65.73% (variance -3.93pp)
- 8-2: seed 555555 → 64.30%
- 8-3: guidance 2.5 → 62.71% (낮은 guidance = 파스텔 감소)
- 8-4: guidance 5.0 → 69.99% (R6-2와 동일)
- 8-5: dpmpp_2m karras → 🏆 82.43% ⭐⭐⭐⭐⭐ 전체 best (+12.77pp)

⭐ 핵심 발견 2: 샘플러 변경의 dramatic effect
   euler/simple (R6-2 69.66%) → dpmpp_2m/karras (R8-5 82.43%) = +12.77pp

누적 진행 (R9 legacy → R8):
44.5% → 48.5% → 49.99% → 50.47% → 56.41% → 69.66% → 82.43% = +37.93pp

자산 라이브러리:
- workflows: winner_auto 11 + winner_auto_high 4 + winner_auto_breakthrough 1
- 8-5 워크플로 = 타로/12지신/별이 시리즈 재활용 표준 베이스

results/meeting-103-v2.1-clean/round7/meta.json

@@ -0,0 +1,114 @@
+{
+  "round": 7,
+  "captured_at": "2026-05-20T00:07:54",
+  "track": "meeting-103-v2.1-clean",
+  "note": "R7 — byeolyi-default.png 베이스 PuLID 변화 + Stage 3 + Pony 60갑자",
+  "combos": [
+    {
+      "id": "7-1",
+      "prompt_id": "9d92bbf5-9791-4558-aa30-d065e4c005c8",
+      "status": "success",
+      "prompt_set": "A",
+      "variant": "PuLID 0.85 + Redux 1.0 (default ref)",
+      "models_used": [
+        "flux-dev",
+        "pulid-flux",
+        "flux-redux"
+      ],
+      "size_bytes": 944671,
+      "thumb_size_kb": 326,
+      "width": 768,
+      "height": 1344,
+      "aspect": 0.5714,
+      "black_pct": 0.01,
+      "pastel_pct": 64.45,
+      "filename_local": "7-1.png",
+      "thumb_local": "7-1_thumb.png",
+      "flags": []
+    },
+    {
+      "id": "7-2",
+      "prompt_id": "6f7d8447-4f14-4866-878f-12fd9c91feb7",
+      "status": "success",
+      "prompt_set": "A",
+      "variant": "PuLID 0.6 + Redux 1.0 (default ref)",
+      "models_used": [
+        "flux-dev",
+        "pulid-flux",
+        "flux-redux"
+      ],
+      "size_bytes": 967597,
+      "thumb_size_kb": 333,
+      "width": 768,
+      "height": 1344,
+      "aspect": 0.5714,
+      "black_pct": 0.19,
+      "pastel_pct": 65.93,
+      "filename_local": "7-2.png",
+      "thumb_local": "7-2_thumb.png",
+      "flags": []
+    },
+    {
+      "id": "7-3",
+      "prompt_id": "a4691107-c748-4e61-904e-54e0dd4f8b77",
+      "status": "error",
+      "prompt_set": "A",
+      "variant": "PuLID 0.7 + Redux 1.0 (default ref, seed 999777)",
+      "models_used": [
+        "flux-dev",
+        "pulid-flux",
+        "flux-redux"
+      ],
+      "error_node": "ApplyPulidFlux",
+      "error_message": "CUDA error: invalid argument\nSearch for `cudaErrorInvalidValue' in https://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__TYPES.html for more information.\nCUDA kernel errors might be asynchronou",
+      "flags": [
+        "status-error"
+      ]
+    },
+    {
+      "id": "7-4",
+      "prompt_id": "92cebbfb-5d68-4023-b7f5-4977cd98ef5d",
+      "status": "error",
+      "prompt_set": "A",
+      "variant": "PuLID 0.7 + Redux 1.0 + Stage 3 (denoise 0.20)",
+      "models_used": [
+        "flux-dev",
+        "pulid-flux",
+        "flux-redux",
+        "flux-dev-refiner"
+      ],
+      "error_node": "ApplyPulidFlux",
+      "error_message": "Error(s) in loading state_dict for RetinaFace:\n\tWhile copying the parameter named \"body.layer3.4.bn3.bias\", whose dimensions in the model are torch.Size([1024]) and whose dimensions in the checkpoint ",
+      "flags": [
+        "status-error"
+      ]
+    },
+    {
+      "id": "7-5",
+      "prompt_id": "db9f4997-0ca6-4826-88fc-37b35c1560d3",
+      "status": "success",
+      "prompt_set": "C",
+      "variant": "60갑자 Pony V6 calligraphy prompt",
+      "models_used": [
+        "pony-v6"
+      ],
+      "size_bytes": 1981632,
+      "thumb_size_kb": 642,
+      "width": 768,
+      "height": 1344,
+      "aspect": 0.5714,
+      "black_pct": 0.02,
+      "pastel_pct": 18.09,
+      "filename_local": "7-5.png",
+      "thumb_local": "7-5_thumb.png",
+      "flags": []
+    }
+  ],
+  "learning": {
+    "passed_count": 3,
+    "failed_count": 2,
+    "best_pastel_id": "7-2",
+    "best_pastel_pct": 65.93,
+    "r6_best": 69.66
+  }
+}