{
  "contract_version": "gab_246_contract_v1",
  "gab_id": "GAB-246",
  "canonical_name": "AssessmentLearningRetakePolicy",
  "module_owner": "EdTechAssessmentLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "retake_policy_id",
    "title",
    "summary",
    "steps",
    "attempts_text",
    "anti_loop_text",
    "primary_cta"
  ],
  "optional_fields": [
    "mode_chip",
    "reason_title",
    "reason_text",
    "max_attempts_per_day",
    "anti_loop_fallback_gab",
    "non_official_title",
    "non_official_text",
    "retry_cta",
    "accessibility",
    "child_safety"
  ],
  "field_types": {
    "steps": "array<{num:integer, role_label:string, step_title:string, step_detail:string}>",
    "max_attempts_per_day": "integer — nombre maximal de retakes par jour",
    "anti_loop_fallback_gab": "string — identifiant GAB du chemin de remédiation longue (ex: 'GAB-213')",
    "primary_cta": "object{label:string, action:string}",
    "retry_cta": "object{label:string, action:string}",
    "mode_chip": "enum['after_review','immediate','gated'] — mode de retake affiché"
  },
  "constraints": [
    "steps doit contenir au moins 1 élément (si présent, 2 steps attendus : avant + après remédiation).",
    "primary_cta.label est affiché tel quel dans le bouton primaire — libellé venant du JSON.",
    "anti_loop_text est obligatoire pour toujours afficher la protection anti-boucle infinie.",
    "non_official_text : si présent, affiche le bandeau légal — recommandé pour usage EdTech mineur.",
    "max_attempts_per_day : si absent, la limite n'est pas affichée (optionnel)."
  ],
  "blocked_conditions": [
    "retake_policy_id absent (BLOCKED)",
    "steps absent ou tableau vide (BLOCKED)",
    "primary_cta absent (BLOCKED)"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "aria_labels_on_buttons"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet, 0 erreur" },
    { "case": "retake_policy_id absent", "expected": "BLOCKED affiché dans le panneau" },
    { "case": "steps tableau vide", "expected": "BLOCKED affiché dans le panneau" },
    { "case": "primary_cta absent", "expected": "BLOCKED affiché dans le panneau" },
    { "case": "instance externe injectée via init(ext)", "expected": "le rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun débordement horizontal" },
    { "case": "clic bouton primaire", "expected": "panneau de confirmation affiché (mint)" },
    { "case": "clic retake immédiat", "expected": "panneau de confirmation affiché (gold)" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-246",
    "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)."
  }
}