measure dir for yolo26n-seg-v3-noflip-mask1-2026-09-30; unseen-frame comparison includes the promoted v3 model

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

runs/clean_gold_comparison.json

@@ -561,6 +561,76 @@
         "iou_threshold": 0.5
       }
     },
+    "2026-09-29_v3-noflip-mask1": {
+      "per_class": {
+        "loop_all": {
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+          "fp": 16,
+          "fn": 5,
+          "precision": 0.8933333333333333,
+          "recall": 0.9640287769784173,
+          "f1": 0.9273356401384083,
+          "mean_mask_iou": 0.8917330021280356,
+          "n_matched": 134
+        },
+        "pin": {
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+          "fp": 7,
+          "fn": 8,
+          "precision": 0.9391304347826087,
+          "recall": 0.9310344827586207,
+          "f1": 0.935064935064935,
+          "mean_mask_iou": 0.9220488591470086,
+          "n_matched": 108
+        },
+        "crystal": {
+          "tp": 23,
+          "fp": 14,
+          "fn": 17,
+          "precision": 0.6216216216216216,
+          "recall": 0.575,
+          "f1": 0.5974025974025973,
+          "mean_mask_iou": 0.7823935441983431,
+          "n_matched": 23
+        },
+        "loop_face": {
+          "tp": 110,
+          "fp": 31,
+          "fn": 10,
+          "precision": 0.7801418439716312,
+          "recall": 0.9166666666666666,
+          "f1": 0.842911877394636,
+          "mean_mask_iou": 0.8613643382733605,
+          "n_matched": 110
+        },
+        "ice": {
+          "tp": 1,
+          "fp": 3,
+          "fn": 9,
+          "precision": 0.25,
+          "recall": 0.1,
+          "f1": 0.14285714285714288,
+          "mean_mask_iou": 0.8753799392097265,
+          "n_matched": 1
+        }
+      },
+      "overall": {
+        "tp": 376,
+        "fp": 71,
+        "fn": 49,
+        "precision": 0.8411633109619687,
+        "recall": 0.8847058823529412,
+        "f1": 0.8623853211009175,
+        "mean_mask_iou": 0.8848244886672205,
+        "n_matched": 376
+      },
+      "dataset": {
+        "gold_images": 149,
+        "pred_images": 203,
+        "missing_predictions": 0,
+        "iou_threshold": 0.5
+      }
+    },
     "2026-09-29_v3-recipeA": {
       "per_class": {
         "loop_all": {