{ "mission_id": "mission_41_caravane_des_marchands", "title": "La caravane des marchands", "narrative_context": "Un marchand a mal écrit un verbe sur son étiquette. Trouve-le et remplace-le.", "rule_id": "regle_accord_sujet_verbe", "exercise_type": "sentence_correction", "map_position": { "x": 0.5, "y": 0.15 }, "review_status": "draft" }