troupe-standup/wizard-work/spark/disk_usage_report.json

{
  "path": "/",
  "total_gb": 153.943,
  "used_gb": 113.834,
  "free_gb": 40.0942,
  "percent_used": 74,
  "measured_at": "2026-10-15T12:36:00Z",
  "source": "df -B1 / (shell command execution)"
}