{
  "contract_version": "gab_053_contract_v1",
  "gab_id": "GAB-053",
  "canonical_name": "StoryCharacterExplains",
  "module_owner": "EdTechStoryLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "screen_id",
    "character_name",
    "character_role",
    "speech",
    "items"
  ],
  "optional_fields": [
    "title",
    "character_avatar_emoji",
    "persona",
    "illustration",
    "primary_cta"
  ],
  "field_types": {
    "character_name": "string — nom + métier/statut social du personnage",
    "character_role": "string — description contextuelle (ex : 'Personnage de l'épisode · 1789')",
    "character_avatar_emoji": "string — emoji représentant visuellement le personnage",
    "speech": "string — discours à la première personne, guillemets inclus ou non",
    "items": "array<{label:string}> — tags thématiques résumant les notions clés",
    "persona": "object{src?,alt?,emoji?} — illustration/avatar riche (optionnel)",
    "illustration": "object{src,alt} — image de contexte optionnelle",
    "primary_cta": "object{label,action}"
  },
  "constraints": [
    "items doit contenir au moins 1 entrée.",
    "speech doit être à la première personne (point de vue immersif du personnage).",
    "character_name doit inclure le nom ET le statut social.",
    "primary_cta.label vient du JSON, jamais hardcodé dans le HTML."
  ],
  "blocked_conditions": [
    "speech absent",
    "items vides ou absents",
    "character_name absent",
    "character_role absent",
    "screen_id absent"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "fallback_text (speech lisible sans interaction)"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet avatar + discours + tags, 0 erreur" },
    { "case": "speech absent", "expected": "BLOCKED listant 'speech absent'" },
    { "case": "items vides", "expected": "BLOCKED listant 'items vides ou absents'" },
    { "case": "character_name absent", "expected": "BLOCKED listant 'character_name absent'" },
    { "case": "instance externe injectée via init(ext)", "expected": "le rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun débordement horizontal, avatar et tags correctement disposés" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-053",
    "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)."
  }
}