[
  "avg_mastery_score",
  "weak_lo_count",
  "developing_lo_count",
  "mastered_lo_count",
  "avg_confidence",
  "avg_accuracy",
  "avg_marks_ratio",
  "avg_time_seconds",
  "hint_usage_rate",
  "total_attempts",
  "attendance_percentage",
  "assignment_completion_rate",
  "average_login_per_week",
  "inactive_days_last_14",
  "avg_active_minutes",
  "total_logins",
  "avg_video_watch_ratio",
  "total_content_completed",
  "total_quiz_attempts"
]