{
  "contract_version": "gab_343_contract_v1",
  "gab_id": "GAB-343",
  "canonical_name": "SafetyFallbackLearningSourceNeeded",
  "module_owner": "EdTechSafetyFallbackLearning",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "source_need_id",
    "expected_source_type",
    "why_needed",
    "source_options"
  ],
  "optional_fields": [
    "title",
    "state_label",
    "alert_notice",
    "question",
    "fallback_no_source",
    "anti_hallucination",
    "student_guidance",
    "use_when",
    "do_not_use_when",
    "child_safety"
  ],
  "field_types": {
    "expected_source_type": "string — type(s) de source acceptés (ex: 'manuel_scolaire | encyclopedie')",
    "why_needed": "string — pourquoi une source est nécessaire pour cette affirmation",
    "source_options": "array<{icon,label,accepted:boolean,feedback}> — accepted:false = fallback honnête, jamais de source inventée",
    "fallback_no_source": "string — conduite à tenir quand aucune source n'est disponible",
    "anti_hallucination": "string — règle anti-invention de source",
    "child_safety": "object{anti_invention:boolean,no_unsourced_claim:boolean,boss_review_required:boolean}"
  },
  "constraints": [
    "Anti-hallucination : interdiction d'inventer une source plausible.",
    "Sans source, on n'affirme pas — on formule en doute et on guide l'élève (fallback_no_source).",
    "Au moins une source_option doit exister ; accepted:false = fallback honnête, jamais une fausse source.",
    "GAB sensible (child-safety) : revue Boss requise avant usage en production."
  ],
  "blocked_conditions": [
    "source_options vides",
    "expected_source_type absent",
    "why_needed 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", "expected": "BLOCKED listant le champ" },
    { "case": "option source acceptée (accepted:true)", "expected": "feedback positif, affirmation justifiable" },
    { "case": "option sans source (accepted:false)", "expected": "fallback honnête, message « on n'invente rien »" },
    { "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-343",
    "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)."
  }
}