Blame for runtime-cost-estimate.json

{
  "kind": "GPU compute estimate, not measured invoice",
  "training_worker_reported_seconds": 28541.214711139,
  "h100_usd_per_second": 0.001097,
  "excludes": [
    "GPU work outside recorded training segments",
    "CPU preparation and evaluation",
    "storage and transfer"
  ],
  "training_gpu_usd_estimate": 250.4777003049559
}