{
  "contract_version": "gab_232_contract_v1",
  "gab_id": "GAB-232",
  "canonical_name": "FeedbackLearningExplainMistake",
  "module_owner": "EdTechFeedbackLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "explain_mistake_id",
    "title",
    "explanation_text",
    "hint_text",
    "mistake_type"
  ],
  "optional_fields": [
    "subtitle",
    "explanation_heading",
    "example_heading",
    "example_text",
    "primary_cta",
    "retry_cta"
  ],
  "field_types": {
    "mistake_type": "enum['concept','method','calculation','vocabulary','instruction','too_broad','missing_step']",
    "primary_cta": "object{label,action}",
    "retry_cta": "object{label,action}"
  },
  "constraints": [
    "ExplainMistake explique UNE erreur donnee maintenant — pas un motif recurrent (voir GAB-218 AdaptiveErrorPattern).",
    "explanation_text doit etre pedagogique, jamais humiliant.",
    "hint_text doit etre actionnable (commence par…, verifie que…).",
    "example_text optionnel mais recommande pour mistake_type='missing_step'.",
    "no-reward-write : ce gabarit n'ecrit AUCUN XP/coins/badges — PlayKit orchestre.",
    "primary_cta : bouton structurel (HTML), libelle vient du JSON."
  ],
  "blocked_conditions": [
    "explain_mistake_id absent",
    "explanation_text absent",
    "hint_text absent",
    "mistake_type 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 (explanation_text)", "expected": "BLOCKED listant le champ" },
    { "case": "champ requis manquant (hint_text)", "expected": "BLOCKED listant le champ" },
    { "case": "mistake_type hors enum", "expected": "affichage fallback sans crash" },
    { "case": "instance externe injectee", "expected": "rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun debordement horizontal" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-232",
    "note": "Ce schema VALIDE l'instance. Le contrat pedagogique complet (input_contract/validation_logic/feedback_scoring_logic) vit dans le CORE-GAB officiel, pas ici (evite la duplication)."
  }
}