{
  "contract_version": "gab_338_contract_v1",
  "gab_id": "GAB-338",
  "canonical_name": "MetacognitionLearningHelpRequestBuilder",
  "module_owner": "EdTechMetacognitionLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "help_request_id",
    "title",
    "blocks",
    "primary_cta",
    "confirm_message"
  ],
  "optional_fields": [
    "intro",
    "draft_label",
    "draft_empty",
    "slots",
    "use_when",
    "do_not_use_when",
    "child_safety"
  ],
  "field_types": {
    "title": "string",
    "intro": "string",
    "draft_label": "string",
    "draft_empty": "string",
    "blocks": "array<{key,label,text}>  — chaque bloc cliquable s'ajoute au brouillon",
    "primary_cta": "object{label,action,confirmed_label}",
    "confirm_message": "string",
    "slots": "array<{name,required:boolean}>",
    "use_when": "array<string>",
    "do_not_use_when": "array<string>",
    "child_safety": "object{no_sensitive_info:boolean,note}"
  },
  "constraints": [
    "blocks non vide : chaque bloc porte key + label + text venant du JSON, jamais codé en dur.",
    "primary_cta : bouton structurel (HTML), libellés (label/confirmed_label) venant du JSON.",
    "Le bouton de confirmation reste désactivé tant que tous les blocs ne sont pas ajoutés (draft_ready).",
    "child_safety : ne jamais exposer d'infos sensibles dans la demande d'aide."
  ],
  "blocked_conditions": [
    "blocks vides ou absents",
    "title absent",
    "primary_cta absent",
    "confirm_message absent"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "fallback_text"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet, 0 erreur" },
    { "case": "champ requis manquant (blocks vides)", "expected": "BLOCKED listant le champ" },
    { "case": "ajout des 3 blocs", "expected": "brouillon mis à jour + bouton confirmer activé (draft_ready)" },
    { "case": "confirmation", "expected": "confirm_message affiché, bouton passe à confirmed_label désactivé" },
    { "case": "instance externe injectée", "expected": "le rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun débordement horizontal" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-338",
    "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)."
  }
}