{
  normalized_details: {
    completion: "completed",         // incomplete | completed
    success: "passed",               // unknown | passed | failed
    score: 85,                       // percentage 0–100, or null
    seconds: 120,                    // saved total duration
    modules: [
      { id: "lesson-1", title: "Lesson one",
        completion: "completed", success: "passed", score: 85, seconds: 120 }
    ],
    has_report: true,
    updated_at: "2026-10-02T12:00:00.000Z"
  },
  runtime_details: {
    format: "1.2",
    data: { /* format-specific saved data */ }
  }
}