Upload _workflow_cost.json with huggingface_hub

_workflow_cost.json

@@ -1,13 +1,9 @@
 {
   "workflow_id": "wf-football2vec-360",
   "phase": "training",
-  "started_at": "2026-04-02T13:23:31.592715+00:00",
+  "started_at": "2026-05-06T21:56:18.540540+00:00",
   "rate_usd_per_hour": 1.5,
   "hf_job_id": null,
-  "updated_at": "2026-04-02T13:41:00.537022+00:00",
-  "state": "COMPLETED",
-  "ended_at": "2026-04-02T13:41:00.537022+00:00",
-  "duration_seconds": 1048.944298381,
-  "estimated_cost_usd": 0.43706012432541663,
-  "row_count": 9936
+  "updated_at": "2026-05-06T21:56:18.540550+00:00",
+  "state": "RUNNING"
 }