{
  "contract_version": "gab_013_contract_v1",
  "gab_id": "GAB-013",
  "canonical_name": "SessionEndRouter",
  "module_owner": "EdTechPlayEngine",
  "renderer_key": "text_cta",
  "required_fields": [
    "gab_id",
    "session_end_router_id",
    "completion_state",
    "next_action",
    "destinations"
  ],
  "optional_fields": [
    "title",
    "subtitle",
    "end_badge_label",
    "result",
    "score",
    "reward_context",
    "feedback"
  ],
  "field_types": {
    "completion_state": "enum['completed','partial','abandoned']",
    "next_action": "enum['route','replay','exit']",
    "destinations": "array<{key:string, icon:string, label:string, kit_id:string, description:string}>",
    "result": "string|null",
    "score": "number|null",
    "reward_context": "object|null",
    "feedback": "object|null"
  },
  "constraints": [
    "destinations doit contenir au moins 1 élément.",
    "Chaque destination doit avoir key, label et kit_id.",
    "completion_state pilote la logique de routage — jamais hardcodée dans le HTML.",
    "Les libellés (label, description) viennent du JSON uniquement."
  ],
  "blocked_conditions": [
    "destinations absentes ou tableau vide",
    "completion_state absent",
    "next_action absent"
  ],
  "accessibility": [
    "keyboard_navigable",
    "focus_visible",
    "prefers_reduced_motion",
    "aria_labels_on_destinations"
  ],
  "qa_cases": [
    { "case": "instance conforme 3 destinations", "expected": "rendu complet avec 3 cartes destination, 0 erreur" },
    { "case": "destinations absent ou vide", "expected": "BLOCKED listant le champ manquant" },
    { "case": "completion_state absent", "expected": "BLOCKED completion_state" },
    { "case": "clic sur une destination", "expected": "carte active + flèche avec description visible" },
    { "case": "instance externe injectée via init(ext)", "expected": "rendu change sans modifier le HTML" },
    { "case": "responsive 375/768/1024", "expected": "aucun débordement horizontal, destinations en colonne sur mobile" }
  ],
  "external_refs": {},
  "traceability": {
    "derived_from_core_gab": "GAB-013",
    "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). Destinations KIT-031/KIT-032/KIT-033 extraites du HTML source INDEX-300-playengine-GAB-011-015-PLAYABLE.html."
  }
}