{
  "contract_version": "gab_218_contract_v1",
  "gab_id": "GAB-218",
  "canonical_name": "AdaptiveLearningErrorPattern",
  "module_owner": "EdTechAdaptiveLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "error_pattern_id",
    "title",
    "summary",
    "pattern_type",
    "reason",
    "confidence",
    "rgpd_notice",
    "primary_cta"
  ],
  "optional_fields": [
    "example",
    "hint",
    "secondary_cta",
    "pattern_type_enum",
    "accessibility",
    "child_safety"
  ],
  "field_types": {
    "pattern_type": "enum['concept_confusion','method_step_missing','calculation','vocabulary','reading_instruction','too_broad','too_short']",
    "confidence": "object{score:number(0..100),occurrences:number,total_exercises:number,threshold_min:number,label:string,meta:string}",
    "primary_cta": "object{label,action}",
    "secondary_cta": "object{label,action}"
  },
  "constraints": [
    "confidence.score doit être >= confidence.threshold_min pour que le motif soit affiché (sinon pas affiché).",
    "rgpd_notice : champ obligatoire (RGPD art.22 — profilage automatisé). Ne jamais omettre.",
    "reason explique le mécanisme bloquant (pas juste le symptôme).",
    "Jamais exposer les raw answers dans les champs texte — interdiction absolue.",
    "primary_cta : bouton structurel (HTML), libellé venant du JSON.",
    "pattern_type : enum strict — 7 valeurs uniquement."
  ],
  "blocked_conditions": [
    "error_pattern_id absent",
    "reason absent",
    "rgpd_notice absent",
    "confidence absent"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "rgpd_human_intervention_mentioned"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet, 0 erreur" },
    { "case": "champ requis manquant (reason)", "expected": "BLOCKED listant le champ" },
    { "case": "rgpd_notice absent", "expected": "BLOCKED — champ obligatoire RGPD" },
    { "case": "confidence.score < threshold_min", "expected": "motif non affiché (guard actif)" },
    { "case": "instance externe injectée via init(ext)", "expected": "le rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun débordement horizontal" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-218",
    "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)."
  }
}