{
  "contract_version": "gab_092_contract_v1",
  "gab_id": "GAB-092",
  "canonical_name": "VisualVocabularySet",
  "module_owner": "EdTechVisualLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "vocabulary_set_id",
    "items"
  ],
  "optional_fields": [
    "title",
    "subject",
    "chapter",
    "hint",
    "primary_cta"
  ],
  "field_types": {
    "vocabulary_set_id": "string — identifiant unique du set (slug)",
    "items": "array<{id:string, term:string, definition:string}> — min 1 carte",
    "primary_cta": "object{label:string, action:string}",
    "hint": "string — texte d'invite affiché sous le titre",
    "subject": "string — matière (Histoire, Maths, Français…)",
    "chapter": "string — titre du chapitre ou de la séquence"
  },
  "constraints": [
    "items doit contenir au moins 1 objet {id, term, definition}.",
    "term : mot ou expression courte (recto de la flashcard, ≤ 40 car.).",
    "definition : définition concise (verso de la flashcard, ≤ 120 car.).",
    "primary_cta.label : libellé du bouton structurel — vient du JSON.",
    "Anti-invention : extraire uniquement du contenu source ; champ absent → _TODO."
  ],
  "blocked_conditions": [
    "items absent ou vide (BLOCKED)",
    "vocabulary_set_id absent (BLOCKED)"
  ],
  "accessibility": [
    "keyboard_navigable (tabindex + Enter/Space flip)",
    "role='button' + aria-label sur chaque carte",
    "prefers_reduced_motion",
    "focus_visible"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "grille de flashcards rendue, bouton CTA actif" },
    { "case": "items absent ou vide", "expected": "BLOCKED affiché, grille vide" },
    { "case": "vocabulary_set_id absent", "expected": "BLOCKED affiché" },
    { "case": "clic sur carte", "expected": "retournement 3D, définition visible" },
    { "case": "bouton 'Tout retourner'", "expected": "toutes les cartes flippées / dé-flippées en alternance" },
    { "case": "instance externe injectée via ENGINE.init(ext)", "expected": "rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "1 colonne sur mobile, 2 colonnes desktop, 0 débordement" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-092",
    "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)."
  }
}