{
  "format": "trainlog",
  "version": 1,
  "exercises": [],
  "session": {
    "session_id": "interrupted-before-first-exercise",
    "started_at": "2026-09-05T18:00:00+02:00",
    "notes": "Séance interrompue avant le premier exercice.",
    "exercises": []
  }
}