{
  "schema_version": 1,
  "generated_at": "2026-08-09T09:57:02.8274719Z",
  "review_kind": "ai_assisted_visual_review",
  "reviewer_id": "openai-codex-gpt-5",
  "human_review": false,
  "repository_commit": "0209167cfd37c4f7865813a06e60bdd7ba5d918d",
  "scope": "Bounded visual inspection of deterministic YOLO contact sheets; this is not a human-signed operational training release.",
  "decision": {
    "status": "experimental_training_only",
    "promotion_allowed": false,
    "protected_test_access_allowed": false,
    "reason": "The Kempen background-aware corpus is materially better aligned than the rejected national candidates, but only a bounded contact-sheet sample was visually inspected and the mandatory human review gate remains open."
  },
  "accepted_experimental_input": {
    "dataset_yaml": "/app/storage/operator-data/yolo-building-aoi1024-bgaware512r8/dataset.yaml",
    "dataset_yaml_sha256": "6995843d63735bc248fb573d6ab3ebedb1cd1c86f1bd6dbb864068c5fb8f816d",
    "dataset_summary": "/app/storage/operator-data/yolo-building-aoi1024-bgaware512r8/yolo_tile_dataset_summary.json",
    "dataset_summary_sha256": "c0c94295e52de5cc4d4cdcaaabb670220f15d2139c0051fff63d05730d33bdce",
    "contact_sheet": "/app/storage/operator-evidence/accuracy-review/20260809-bgaware512r8-r1/contact_sheet_001.png",
    "contact_sheet_sha256": "c5112d5c76d84153f8d219699071e7f42c8b188b0624c2bf5f9406a2146e66b6",
    "rendered_tile_count": 32,
    "dataset_tile_count": 207,
    "observations": [
      "Most sampled labels visually overlap roof structures in the Kempen positive AOIs.",
      "The training corpus contains repeated pure-empty background tiles and the validation split contains independent named positive and pure-empty AOIs.",
      "Some dense scenes still contain footprint-versus-visible-roof ambiguity; this prevents operational acceptance."
    ]
  },
  "base_model": {
    "path": "/app/models/geointel-building-yolov8s-smallbld-minpx3-img640-ft30.pt",
    "sha256": "a9088b8491dfae36694b53e9e9406cb4e3511d334a5712fa34f75078a47759c1"
  },
  "rejected_inputs": [
    {
      "family": "building-be-v56 national corpus",
      "decision": "exclude_from_new_training",
      "reason": "Representative sheets show frequent ground-footprint versus visible-roof displacement and dense-scene ambiguity; 0/180 samples have formal human acceptance."
    },
    {
      "family": "building-be-v65 main/SAM candidates",
      "decision": "quarantine",
      "reason": "Visual samples include boxes on trees, paving and unrelated compounds after automatic refinement."
    },
    {
      "family": "building-be-v66 source/alignment/SAM candidates",
      "decision": "quarantine",
      "reason": "Systematic misalignment remains; the swapped-axis trial uses unrelated imagery and the detector-alignment sheet contains invalid labels."
    }
  ],
  "training_constraints": {
    "device": "cuda:0",
    "allowed_evaluation_split": "val",
    "forbidden_splits": [
      "test",
      "challenge",
      "background-test"
    ],
    "automatic_promotion": false,
    "formal_release_manifest": false
  }
}