{
 "arm": "D",
 "contest": "q3",
 "model": "gpt-6.1-sol",
 "harness": "copilot",
 "wall_seconds": 56.0,
 "exit_code": 0,
 "words": 511,
 "started": "2026-10-28T09:23:30",
 "stderr_tail": ""
}