diff --git a/.codex-input/v33-error-review/ostend-coastal-train/candidate_error_contact_sheet.json b/.codex-input/v33-error-review/ostend-coastal-train/candidate_error_contact_sheet.json
deleted file mode 100644
index 9deec421..00000000
--- a/.codex-input/v33-error-review/ostend-coastal-train/candidate_error_contact_sheet.json
+++ /dev/null
@@ -1,220 +0,0 @@
-{
-  "schema_version": 1,
-  "model": "/app/storage/training/building-be-v33-yolo11l-rotation-regularized-r1/iteration-001/candidate.pt",
-  "summary": "/app/storage/operator-data/building-be-v30-rotated-holdouts-r1/calibration/yolo_tile_dataset_summary.json",
-  "threshold": 0.02,
-  "match_iou": 0.25,
-  "samples": [
-    "ostend-coastal-train"
-  ],
-  "legend": {
-    "reference": "yellow",
-    "matched_prediction": "green",
-    "false_positive": "red",
-    "false_negative": "magenta"
-  },
-  "geometry": {
-    "reference": {
-      "area_share": {
-        "count": 46,
-        "median": 0.11498006316406245,
-        "p90": 0.5957234677343751,
-        "p95": 0.76041667,
-        "p99": 1.0,
-        "max": 1.0
-      },
-      "aspect_ratio": {
-        "count": 46,
-        "median": 1.3931591894640243,
-        "p90": 2.5066666496000005,
-        "p95": 3.3902440395002955,
-        "p99": 4.166666666666667,
-        "max": 4.166666666666667
-      }
-    },
-    "matched": {
-      "area_share": {
-        "count": 37,
-        "median": 0.103368325942424,
-        "p90": 0.960510907801758,
-        "p95": 0.961443528228294,
-        "p99": 0.9675038678905048,
-        "max": 0.9675038678905048
-      },
-      "aspect_ratio": {
-        "count": 37,
-        "median": 1.0741198977650206,
-        "p90": 1.7965107909999176,
-        "p95": 2.031736149075751,
-        "p99": 2.4426746916804336,
-        "max": 2.4426746916804336
-      }
-    },
-    "false_positive": {
-      "area_share": {
-        "count": 268,
-        "median": 0.07739730946661932,
-        "p90": 0.22339239581131348,
-        "p95": 0.27401130787593087,
-        "p99": 0.9555367739508974,
-        "max": 0.9745105956175415
-      },
-      "aspect_ratio": {
-        "count": 268,
-        "median": 1.2243194185289603,
-        "p90": 1.8480747263777986,
-        "p95": 2.2133905118780652,
-        "p99": 3.1314726443655205,
-        "max": 3.9135288253718294
-      }
-    },
-    "false_negative": {
-      "area_share": {
-        "count": 9,
-        "median": 0.0281982421875,
-        "p90": 0.10327826826388889,
-        "p95": 0.14211697302951382,
-        "p99": 0.14211697302951382,
-        "max": 0.14211697302951382
-      },
-      "aspect_ratio": {
-        "count": 9,
-        "median": 1.6185566928685302,
-        "p90": 2.083333439999999,
-        "p95": 2.346154010887576,
-        "p99": 2.346154010887576,
-        "max": 2.346154010887576
-      }
-    }
-  },
-  "tiles": [
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0000_r0_c0_z0_0.png",
-      "label_count": 0,
-      "true_positive": 0,
-      "false_positive": 21,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0000_r0_c0_z0_256.png",
-      "label_count": 2,
-      "true_positive": 2,
-      "false_positive": 16,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0000_r0_c0_z256_0.png",
-      "label_count": 0,
-      "true_positive": 0,
-      "false_positive": 11,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0000_r0_c0_z256_256.png",
-      "label_count": 2,
-      "true_positive": 2,
-      "false_positive": 11,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0001_r0_c424_z0_0.png",
-      "label_count": 5,
-      "true_positive": 4,
-      "false_positive": 10,
-      "false_negative": 1
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0001_r0_c424_z0_256.png",
-      "label_count": 15,
-      "true_positive": 10,
-      "false_positive": 15,
-      "false_negative": 5
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0001_r0_c424_z256_0.png",
-      "label_count": 3,
-      "true_positive": 3,
-      "false_positive": 15,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0001_r0_c424_z256_256.png",
-      "label_count": 5,
-      "true_positive": 3,
-      "false_positive": 18,
-      "false_negative": 2
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0002_r424_c0_z0_0.png",
-      "label_count": 1,
-      "true_positive": 1,
-      "false_positive": 3,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0002_r424_c0_z0_256.png",
-      "label_count": 2,
-      "true_positive": 2,
-      "false_positive": 16,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0002_r424_c0_z256_0.png",
-      "label_count": 0,
-      "true_positive": 0,
-      "false_positive": 13,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0002_r424_c0_z256_256.png",
-      "label_count": 1,
-      "true_positive": 1,
-      "false_positive": 24,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0003_r424_c424_z0_0.png",
-      "label_count": 2,
-      "true_positive": 2,
-      "false_positive": 14,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0003_r424_c424_z0_256.png",
-      "label_count": 2,
-      "true_positive": 1,
-      "false_positive": 26,
-      "false_negative": 1
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0003_r424_c424_z256_0.png",
-      "label_count": 2,
-      "true_positive": 2,
-      "false_positive": 20,
-      "false_negative": 0
-    },
-    {
-      "sample_slug": "ostend-coastal-train",
-      "image_path": "/app/storage/operator-data/yolo-building-be-v27-overlap384-train-r1/images/train/ostend-coastal-train_0003_r424_c424_z256_256.png",
-      "label_count": 4,
-      "true_positive": 4,
-      "false_positive": 35,
-      "false_negative": 0
-    }
-  ]
-}
\ No newline at end of file