{
  "contract_version": "gab_144_contract_v1",
  "gab_id": "GAB-144",
  "canonical_name": "InteractiveMapExplorer",
  "module_owner": "EdTechInteractiveLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "map_explorer_id",
    "title",
    "zones",
    "categories"
  ],
  "optional_fields": [
    "instruction",
    "filter_label",
    "filter_all_label",
    "info_empty_text",
    "info_subtitle_pattern",
    "primary_cta",
    "accessibility",
    "child_safety"
  ],
  "field_types": {
    "zones": "array<{id:string, name:string, cat:string, pop:string, top_pct:number(0..100), left_pct:number(0..100)}>",
    "categories": "array<{key:string, label:string, emoji:string, color_class:enum['large','medium','small']}>",
    "primary_cta": "object{label:string, action:string}",
    "accessibility": "object{map_aria_label:string, zone_aria_hint:string}",
    "info_subtitle_pattern": "string — peut contenir {pop} comme placeholder"
  },
  "constraints": [
    "zones[].cat doit correspondre à une des categories[].key.",
    "zones[].top_pct et left_pct dans [0, 100] — représentent des % de positionnement dans le canvas.",
    "Chaque zone doit avoir un id unique.",
    "categories[].color_class : 'large' = violet, 'medium' = gold, 'small' = coral (palette DS V2)."
  ],
  "blocked_conditions": [
    "zones absent ou vide (BLOCKED)",
    "categories absent ou vide (BLOCKED)",
    "gab_id absent (BLOCKED)"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "aria_labels_on_zones",
    "prefers_reduced_motion",
    "info_panel_live_region"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet, filtre Tous actif, info-panel vide au départ, 0 erreur" },
    { "case": "zones absent ou vide", "expected": "BLOCKED listé dans le panel d'erreur" },
    { "case": "categories absent ou vide", "expected": "BLOCKED listé dans le panel d'erreur" },
    { "case": "clic zone Paris", "expected": "info-panel affiche 'Paris — Aire urbaine · 12,4 M hab.'" },
    { "case": "filtre large actif", "expected": "Lyon, Marseille, Nantes dim (opacity 0.3), Paris visible" },
    { "case": "filtre Tous après filtre actif", "expected": "toutes zones redeviennent visibles" },
    { "case": "instance externe injectée via ENGINE.init(ext)", "expected": "rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun débordement horizontal, canvas conserve ratio 16/10" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-144",
    "note": "Ce schema VALIDE l'instance. Le contrat pédagogique complet (input_contract/validation_logic/feedback_scoring_logic) vit dans le CORE-GAB officiel, pas ici (évite la duplication)."
  }
}