{
  "contract_version": "gab_347_contract_v1",
  "gab_id": "GAB-347",
  "canonical_name": "SafetyFallbackLearningRateLimitOrQuota",
  "module_owner": "EdTechSafetyFallbackLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "rate_limit_id",
    "fair_message",
    "reset_time",
    "free_alternatives"
  ],
  "optional_fields": [
    "title",
    "state_badge",
    "work_preserved",
    "alternatives_intro",
    "degraded_mode",
    "upgrade"
  ],
  "field_types": {
    "fair_message": "string  — message équitable : limite atteinte + reset + travail conservé",
    "reset_time": "string  — délai/heure de réinitialisation (ex: '2 h 14')",
    "free_alternatives": "array<{icon,label,kind,feedback}>  — alternatives gratuites, jamais vide",
    "work_preserved": "boolean",
    "upgrade": "object{available:boolean,no_pressure:boolean}",
    "degraded_mode": "boolean"
  },
  "constraints": [
    "Au moins une alternative gratuite doit rester accessible (free_alternatives non vide).",
    "Premium (kind:'upgrade') présenté SANS pression : les alternatives gratuites restent pleinement utilisables.",
    "Le travail en cours est préservé (work_preserved) — ne jamais faire perdre le travail.",
    "fair_message doit indiquer le reset, jamais bloquer sans reset ni alternative."
  ],
  "blocked_conditions": [
    "fair_message absent",
    "reset_time absent",
    "free_alternatives vides"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "fallback_text"
  ],
  "child_safety": [
    "no_pressure_upgrade",
    "free_alternatives_always_available",
    "work_preserved"
  ],
  "qa_cases": [
    { "case": "instance conforme", "expected": "rendu complet, 0 erreur" },
    { "case": "champ requis manquant", "expected": "BLOCKED listant le champ" },
    { "case": "free_alternatives vides", "expected": "BLOCKED — pas de blocage sans alternative" },
    { "case": "clic alternative gratuite", "expected": "feedback ok affiché, mode dégradé/activité libre utilisable" },
    { "case": "clic upgrade Premium", "expected": "feedback note sans pression, alternatives gratuites toujours dispo" },
    { "case": "instance externe injectée", "expected": "le rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun débordement horizontal" }
  ],
  "traceability": {
    "derived_from_core_gab": "GAB-347",
    "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)."
  }
}