{
  "single_fraction": 0.5,
  "multi_fraction": 0.35,
  "empty_fraction": 0.15,
  "max_multi_targets": 20,
  "scene_negative_preferences": {
    "crop_weed": [
      "fruit",
      "disease"
    ],
    "plant_disease": [
      "fruit",
      "crop",
      "weed"
    ],
    "orchard_fruit": [
      "crop",
      "weed",
      "disease"
    ],
    "fruit_blueberry": [
      "crop",
      "weed",
      "disease"
    ],
    "fruit_peach": [
      "crop",
      "weed",
      "disease"
    ]
  },
  "target_family_space": [
    "crop",
    "weed",
    "fruit",
    "disease"
  ],
  "family_balance_rule": "within each query bucket, prefer an even spread across crop / weed / fruit / disease when candidates exist",
  "output_answer_format": "target_instance_local_ids"
}