{
  "case_id": "sample_000708__area_estimation",
  "sample_id": "sample_000708",
  "family": "area_estimation",
  "event_year": 2021,
  "region_group": "Africa",
  "region_name": "Congo Basin / DRC / Republic of Congo / Cameroon",
  "question_text": "Estimate the total deforested area in hectares inside this AOI for event year 2021. Use the Hansen GFC 2025 v1.13 loss-year mask, then validate the signal with NDVI/NBR drops in the same region.",
  "expected_answer_shape": {
    "loss_area_ha": "float",
    "evidence": {
      "hansen_loss_area_ha": "float",
      "ndvi_drop": "float",
      "nbr_drop": "float"
    }
  },
  "available_data": {
    "visible_modality": "s2_rgb",
    "panel_paths": [
      "visible/s2_rgb/pre_3.png",
      "visible/s2_rgb/pre_2.png",
      "visible/s2_rgb/post_1.png",
      "visible/s2_rgb/post_2.png",
      "visible/s2_rgb/post_3.png"
    ],
    "cache": {
      "s2_6band": [
        "cache/s2/pre_3.tif",
        "cache/s2/pre_2.tif",
        "cache/s2/post_1.tif",
        "cache/s2/post_2.tif",
        "cache/s2/post_3.tif"
      ],
      "masks": [
        "masks/loss_year_2021.tif",
        "masks/lossyear.tif",
        "masks/treecover2000.tif"
      ]
    }
  },
  "available_tools": [
    "ReadData",
    "PrepareScene",
    "ExtractObjects",
    "MeasureArea",
    "CompareSources",
    "TaskComplete"
  ],
  "tool_budget_min": 7,
  "tool_budget_max": 7,
  "contract_completion_version": "deforestation_contract_completion_v1_20261014"
}