{
  "contract_version": "gab_256_contract_v1",
  "gab_id": "GAB-256",
  "canonical_name": "CollaborationLearningParentChildRevision",
  "module_owner": "EdTechCollaborationLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "session_id",
    "title",
    "roles",
    "items",
    "primary_cta"
  ],
  "optional_fields": [
    "subtitle",
    "icon",
    "revision_scope",
    "revision_scope_enum",
    "estimated_duration",
    "subject_hint",
    "safety_block",
    "secondary_cta"
  ],
  "field_types": {
    "roles": "array<{role_key:string, label:string, description:string}> — exactement 2 rôles (child + parent)",
    "items": "array<{step:integer, title:string, body:string}> — routine douce, 4 étapes ordonnées",
    "revision_scope": "enum['homework','lesson','test_prep','oral_prep']",
    "revision_scope_enum": "array<string> — valeurs de l'enum pour rendu dynamique",
    "safety_block": "object{heading:string, body:string} — bloc privacy obligatoire en V1_X",
    "primary_cta": "object{label:string, action:string}",
    "secondary_cta": "object{label:string, action:string}"
  },
  "constraints": [
    "roles doit contenir exactement 2 entrées avec role_key 'child' et 'parent'.",
    "items doit contenir exactement 4 étapes numérotées 1 à 4.",
    "primary_cta : libellé vient du JSON, jamais hardcodé.",
    "V1_X safety : safety_block fortement recommandé ; si absent, le renderer affiche un avertissement visuel.",
    "revision_scope doit appartenir à revision_scope_enum si les deux sont fournis."
  ],
  "blocked_conditions": [
    "roles absent ou vide",
    "items absent ou vide",
    "primary_cta absent",
    "session_id absent"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "role_labels in aria"
  ],
  "child_safety": [
    "Aucune donnée enfant exposée au prof sans consentement explicite.",
    "Le parent voit uniquement ce que voit l'enfant.",
    "Ton suggéré : encouraging/calm — pas de comparaison entre élèves.",
    "V1_X : module désactivé si consentement parental absent (flag à vérifier côté runtime)."
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet 4 étapes, 2 rôles, CTA actif, 0 erreur" },
    { "case": "roles absent", "expected": "BLOCKED listant le champ" },
    { "case": "items absent", "expected": "BLOCKED listant le champ" },
    { "case": "primary_cta absent", "expected": "BLOCKED listant le champ" },
    { "case": "instance externe injectée via init(ext)", "expected": "le rendu change sans modifier le HTML" },
    { "case": "revision_scope switché par enum", "expected": "chip active change, aucun reload HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun débordement horizontal" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-256",
    "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)."
  }
}