{
  "contract_version": "gab_322_contract_v1",
  "gab_id": "GAB-322",
  "canonical_name": "ResearchLearningQuestionBuilder",
  "module_owner": "EdTechResearchLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "question_builder_id",
    "title",
    "instruction",
    "question_criteria"
  ],
  "optional_fields": [
    "primary_cta",
    "sub_questions",
    "limits",
    "school_level",
    "impossible_guard",
    "fallback_text_summary"
  ],
  "field_types": {
    "question_criteria": "array<{id:string, label:string, kind:enum['broad','vague','valid'], feedback:string}>  — au moins 1 item requis",
    "primary_cta": "object{label:string, action:string}",
    "school_level": "string | null",
    "impossible_guard": "string | null",
    "sub_questions": "array<string> | null",
    "limits": "string | null"
  },
  "constraints": [
    "question_criteria doit contenir au moins 1 item.",
    "kind doit valoir 'broad', 'vague' ou 'valid' — jamais une autre valeur.",
    "feedback est obligatoire pour chaque item — jamais vide.",
    "primary_cta : bouton structurel (HTML), libellé venant du JSON.",
    "Les champs nullables (sub_questions, limits, school_level, impossible_guard) peuvent être absents ou null — jamais inventés si le contexte ne les fournit pas."
  ],
  "blocked_conditions": [
    "question_criteria absent ou vide (BLOCKED)",
    "question_builder_id absent (BLOCKED)",
    "title absent (BLOCKED)"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "fallback_text"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet, liste des formulations affichée, 0 erreur" },
    { "case": "question_criteria vide", "expected": "BLOCKED listant le champ" },
    { "case": "question_builder_id absent", "expected": "BLOCKED listant le champ" },
    { "case": "clic sur item 'broad'", "expected": "panel warn avec feedback correspondant" },
    { "case": "clic sur item 'valid'", "expected": "panel ok avec feedback correspondant" },
    { "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-322",
    "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)."
  }
}