{
  "version": "0.2.0",
  "status": "family_pilots_implemented",
  "choice_format": "single_choice_4",
  "labels": [
    "A",
    "B",
    "C",
    "D"
  ],
  "option_count": 4,
  "correct_count": 1,
  "model_output": "one_label",
  "perception_options": [
    "numeric_values",
    "spatial_relations",
    "structure_images"
  ],
  "inference_options": [
    "property_values",
    "nonoverlapping_ranges",
    "physical_conclusions"
  ],
  "design_options": [
    "candidate_structures",
    "explicit_modification_plans"
  ],
  "required_reviewer_fields": [
    "correct_label",
    "evidence_for_correct",
    "reason_each_distractor_is_wrong",
    "uniqueness_check",
    "option_permutation_seed",
    "asset_label_mapping"
  ],
  "rules": [
    "validate_all_four_options",
    "unknown_is_not_false",
    "no_equivalent_duplicate_options",
    "no_rounding_or_tolerance_ambiguity",
    "do_not_leak_answer_evidence_to_student",
    "record_template_version"
  ],
  "numeric_direct_answer_remains_available": true,
  "existing_numeric_pilot_unchanged": true,
  "design_choice_is_not_open_generation": true,
  "implemented_templates": [
    "global_extent",
    "equal_weight_rg",
    "named_bond_angle",
    "backbone_torsion",
    "force_path_derivative",
    "kinematic_extinction",
    "conformer_target_selection"
  ],
  "design_choice_status": "candidate_selection_pilot: conformer_target_selection (computed property evidence); literature design_choice not implemented",
  "numeric_option_order": "ascending; correct rank balanced per family batch (v0.2)",
  "categorical_option_order": "correct placed at batch-balanced position; others seeded"
}