Annotate DP open_baozi round 12 as failure

Apply explicit user instruction to mark previously unlabelled round_0012 as failure. Update task_success, operator_result and review timestamp only. All other episodes and execution status are preserved. This label is user-supplied; the assistant did not independently re-score the video.

eval/YAM/V2/dp/open_baozi/metadata/rounds.json

@@ -125,12 +125,12 @@
       "actions_sent": 608,
       "chunks": 19,
       "data_saved": true,
-      "operator_result": null,
+      "operator_result": "failure",
       "output_dir": "/home/romoya-1/openpi-workspace/PrometheusV2/outputs/yam_v2/dp/best-short/open_baozi/data/round_0012",
-      "reviewed_at_ns": null,
+      "reviewed_at_ns": 1790077554468632747,
       "round_number": 12,
       "status": "failed",
-      "task_success": null
+      "task_success": false
     },
     {
       "actions_sent": 960,