{
  "mission_id": "mission_101_pont_de_basalte",
  "title": "Le pont de basalte",
  "narrative_context": "Un participe du pont de basalte est mal accordé. Trouve-le et corrige-le.",
  "rule_id": "regle_participe_cod_avant",
  "exercise_type": "sentence_correction",
  "map_position": {
    "x": 0.5,
    "y": 0.85
  },
  "review_status": "draft"
}