{
  "schema_version": "1.0",
  "measured_at": "2026-04-03T18:00:00+09:00",
  "sample_size": 30,
  "metrics": {
    "build_prompt_tokens_p50": 2800,
    "build_prompt_tokens_p95": 4200,
    "qc_pass_rate": 0.80,
    "qc_fnr": 0.08,
    "execution_time_p50": 551.9,
    "write_edit_count_per_task": 12.5,
    "token_cost_per_task_usd": 0.85,
    "worktree_success_rate": 0.95
  },
  "notes": "직전 30건 실행 데이터 기준 측정. build_prompt_tokens는 team_prompts.py 출력 추정치, qc_fnr은 수동 샘플링 추정치"
}