{
  "benchmark": "assemblyworldbench-v1",
  "description": "100 evaluations over 80 distinct shapes from four prepared sources. Selection uses task properties only; category quotas are stratified, part-count band balance is an acceptance constraint.",
  "selections": {
    "partnet-manualpa": {
      "dataset": "partnet-manualpa",
      "config_id": "prep-v1-s0-i0-987553cbcd58",
      "quota": 20,
      "category_quota": {"chair": 7, "table": 7, "storage": 6},
      "difficulty": {"axis": "parts", "bands": 3, "cuts_by": "category"},
      "sources": [
        {
          "category": "chair",
          "data": "data/partnet-manualpa-test/chair-none",
          "paired": {"final-image": "data/partnet-manualpa-test/chair-final-image"}
        },
        {
          "category": "table",
          "data": "data/partnet-manualpa-test/table-none",
          "paired": {"final-image": "data/partnet-manualpa-test/table-final-image"}
        },
        {
          "category": "storage",
          "data": "data/partnet-manualpa-test/storage-none",
          "paired": {"final-image": "data/partnet-manualpa-test/storage-final-image"}
        }
      ]
    },
    "ikea-manual": {
      "dataset": "ikea-manual",
      "config_id": "prep-v1-s0-i0-823ea008b2b1",
      "quota": 20,
      "category": "id-prefix",
      "minimum_category_size": 3,
      "difficulty": {"axis": "parts", "bands": 3, "cuts_by": "pool"},
      "sources": [{"data": "data"}]
    },
    "assemblybench": {
      "dataset": "assemblybench",
      "config_id": "prep-v1-s0-i0-5201fd352313",
      "quota": 20,
      "category": null,
      "difficulty": {"axis": "parts", "bands": 3, "cuts_by": "pool"},
      "sources": [{"data": "data"}]
    },
    "fantastic-breaks": {
      "dataset": "fantastic-breaks",
      "config_id": "prep-v1-s0-i0-a49b9f0e6b8e",
      "quota": 20,
      "category": "id-prefix",
      "minimum_category_size": 3,
      "difficulty": null,
      "sources": [{"data": "data"}]
    }
  },
  "constraints": [
    {"type": "band_balance", "selection": "partnet-manualpa", "target": [7, 7, 6]},
    {"type": "band_balance", "selection": "ikea-manual", "target": [7, 7, 6]},
    {"type": "band_balance", "selection": "assemblybench", "target": [7, 7, 6]},
    {
      "type": "pooled_band_balance",
      "selections": ["partnet-manualpa", "ikea-manual", "assemblybench"]
    }
  ],
  "max_attempts": 1000,
  "blocks": [
    {"name": "partnet-none", "selection": "partnet-manualpa", "reference_mode": "none"},
    {
      "name": "partnet-final-image",
      "selection": "partnet-manualpa",
      "reference_mode": "final-image",
      "paired": true
    },
    {"name": "ikea-manualbook", "selection": "ikea-manual", "reference_mode": "manualbook"},
    {
      "name": "assemblybench-manualbook",
      "selection": "assemblybench",
      "reference_mode": "manualbook"
    },
    {"name": "fantastic-breaks-none", "selection": "fantastic-breaks", "reference_mode": "none"}
  ],
  "evaluation": {
    "protocol": "assembly-evaluation-v2",
    "similarity_policy": "geometry",
    "similarity_threshold": 0.0001
  },
  "aggregation": {
    "sources": ["partnet-manualpa", "ikea-manual", "assemblybench", "fantastic-breaks"],
    "rule": "mean over sources of the mean over that source's blocks",
    "missing_sample_rule": "a sample without a scored row counts SR=0 and PA=0; SCD averages scored rows only",
    "refusal_rule": "a model refusal is a failed evaluation (SR=0) and is additionally reported as a refusal count"
  }
}