{
  "contract_version": "gab_089_contract_v1",
  "gab_id": "GAB-089",
  "canonical_name": "VisualCauseConsequence",
  "module_owner": "EdTechVisualLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "cause_consequence_id",
    "causes",
    "effects",
    "event_title"
  ],
  "optional_fields": [
    "title",
    "causes_label",
    "effects_label",
    "event_subtitle",
    "arrow_symbol"
  ],
  "field_types": {
    "causes": "array<string>  — liste de causes (min 1 item)",
    "effects": "array<string>  — liste de conséquences (min 1 item)",
    "event_title": "string  — titre de l'événement central",
    "event_subtitle": "string  — sous-titre / date de l'événement (optionnel)",
    "causes_label": "string  — libellé colonne gauche (défaut : 'Causes')",
    "effects_label": "string  — libellé colonne droite (défaut : 'Conséquences')",
    "arrow_symbol": "string  — symbole de flèche (défaut : '→')"
  },
  "constraints": [
    "causes et effects doivent contenir au moins 1 item chacun.",
    "event_title est le titre de l'événement central : ne pas l'omettre.",
    "arrow_symbol : unichar ou séquence courte — pas de HTML brut."
  ],
  "blocked_conditions": [
    "causes vide ou absent",
    "effects vide ou absent",
    "event_title absent"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "fallback_text"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet 3 colonnes, 0 erreur" },
    { "case": "champ requis manquant (causes)", "expected": "BLOCKED listant le champ" },
    { "case": "champ requis manquant (effects)", "expected": "BLOCKED listant le champ" },
    { "case": "event_title absent", "expected": "BLOCKED listant le champ" },
    { "case": "instance externe injectée via init(ext)", "expected": "le rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "colonnes empilées sur mobile, 0 débordement horizontal" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-089",
    "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)."
  }
}