{
  "baseline": {
    "age_matched": {
      "buckets_used": 5,
      "gap": -0.04266625365958043,
      "tagged_lines_covered": 1.0,
      "tagged_rate": 0.6324139503870949,
      "untagged_rate": 0.6750802040466753
    },
    "by_age": [
      {
        "from_days": 0,
        "tagged": {
          "cap_lines": 1922,
          "capped_survival_rate": 0.7401064666150295,
          "commits": 188,
          "introduced": 103121,
          "largest_commit_share": 0.11672695183328323,
          "median_survival": 0.9411538461538461,
          "survival_rate": 0.6753522560875088,
          "surviving": 69643
        },
        "to_days": 30,
        "untagged": {
          "cap_lines": 2391,
          "capped_survival_rate": 0.8595655345392523,
          "commits": 188,
          "introduced": 75079,
          "largest_commit_share": 0.08323232861386007,
          "median_survival": 0.9141869061175725,
          "survival_rate": 0.8371581933696506,
          "surviving": 62853
        }
      },
      {
        "from_days": 30,
        "tagged": {
          "cap_lines": 1667,
          "capped_survival_rate": 0.8155010356430802,
          "commits": 164,
          "introduced": 69298,
          "largest_commit_share": 0.15512713209616438,
          "median_survival": 0.9166666666666666,
          "survival_rate": 0.7722300787901527,
          "surviving": 53514
        },
        "to_days": 90,
        "untagged": {
          "cap_lines": 1096,
          "capped_survival_rate": 0.8202825520818212,
          "commits": 508,
          "introduced": 129652,
          "largest_commit_share": 0.09733748804492025,
          "median_survival": 0.9112903225806451,
          "survival_rate": 0.8285872952210532,
          "surviving": 107428
        }
      },
      {
        "from_days": 90,
        "tagged": {
          "cap_lines": 1083,
          "capped_survival_rate": 0.7867954808350524,
          "commits": 325,
          "introduced": 300535,
          "largest_commit_share": 0.4747533565142163,
          "median_survival": 0.9169799498746867,
          "survival_rate": 0.6504300663816195,
          "surviving": 195477
        },
        "to_days": 180,
        "untagged": {
          "cap_lines": 732,
          "capped_survival_rate": 0.7771408536848942,
          "commits": 704,
          "introduced": 208420,
          "largest_commit_share": 0.17686882256981096,
          "median_survival": 0.875,
          "survival_rate": 0.6444439113328855,
          "surviving": 134315
        }
      },
      {
        "from_days": 180,
        "tagged": {
          "cap_lines": 903,
          "capped_survival_rate": 0.7561520328857483,
          "commits": 203,
          "introduced": 84343,
          "largest_commit_share": 0.4891218002679535,
          "median_survival": 0.8504983388704319,
          "survival_rate": 0.4149366278173648,
          "surviving": 34997
        },
        "to_days": 365,
        "untagged": {
          "cap_lines": 1070,
          "capped_survival_rate": 0.654891534644296,
          "commits": 2243,
          "introduced": 865530,
          "largest_commit_share": 0.06242649012743637,
          "median_survival": 0.8,
          "survival_rate": 0.501826626460088,
          "surviving": 434346
        }
      },
      {
        "from_days": 365,
        "tagged": {
          "cap_lines": 684,
          "capped_survival_rate": 0.6013601054744075,
          "commits": 87,
          "introduced": 17110,
          "largest_commit_share": 0.20239625949736995,
          "median_survival": 0.6363636363636364,
          "survival_rate": 0.5629456458211572,
          "surviving": 9632
        },
        "to_days": 730,
        "untagged": {
          "cap_lines": 630,
          "capped_survival_rate": 0.5608023500623129,
          "commits": 4725,
          "introduced": 775736,
          "largest_commit_share": 0.039575319438571885,
          "median_survival": 0.6428571428571429,
          "survival_rate": 0.46868780100446544,
          "surviving": 363578
        }
      },
      {
        "from_days": 730,
        "tagged": {
          "cap_lines": null,
          "capped_survival_rate": null,
          "commits": 0,
          "introduced": 0,
          "largest_commit_share": null,
          "median_survival": null,
          "survival_rate": null,
          "surviving": 0
        },
        "to_days": null,
        "untagged": {
          "cap_lines": 657,
          "capped_survival_rate": 0.3256071708265442,
          "commits": 22693,
          "introduced": 3503934,
          "largest_commit_share": 0.021535222980798154,
          "median_survival": 0.15384615384615385,
          "survival_rate": 0.30301655225241114,
          "surviving": 1061750
        }
      }
    ],
    "oldest_surviving": {
      "age_days": 3906,
      "commits_before": 0,
      "date": "2016-02-07",
      "introduced_before": 0,
      "tagged_commits_before": 0,
      "tagged_introduced_before": 0
    },
    "untagged": {
      "cap_lines": 686,
      "capped_survival_rate": 0.4150584503505515,
      "commits": 31061,
      "introduced": 5558351,
      "largest_commit_share": 0.013575609025050775,
      "median_survival": 0.3148148148148148,
      "survival_rate": 0.3893726754571635,
      "surviving": 2164270
    }
  },
  "by_agent": {
    "claude-code": {
      "cap_lines": 1591,
      "capped_survival_rate": 0.7755430335629563,
      "commits": 665,
      "introduced": 514572,
      "largest_commit_share": 0.277278981367039,
      "median_survival": 0.9204545454545454,
      "survival_rate": 0.6227719347341091,
      "surviving": 320461
    },
    "cursor": {
      "cap_lines": 1610,
      "capped_survival_rate": 0.812270648379122,
      "commits": 28,
      "introduced": 8866,
      "largest_commit_share": 0.18802165576359126,
      "median_survival": 0.8741542625169147,
      "survival_rate": 0.8123167155425219,
      "surviving": 7202
    },
    "gemini": {
      "cap_lines": 789,
      "capped_survival_rate": 0.7249481919416384,
      "commits": 241,
      "introduced": 48798,
      "largest_commit_share": 0.07096602319767203,
      "median_survival": 0.8268483709273182,
      "survival_rate": 0.7078568793803025,
      "surviving": 34542
    },
    "github-copilot": {
      "cap_lines": 303,
      "capped_survival_rate": 0.5353596981280015,
      "commits": 33,
      "introduced": 2171,
      "largest_commit_share": 0.3150621833256564,
      "median_survival": 0.38461538461538464,
      "survival_rate": 0.48733302625518193,
      "surviving": 1058
    }
  },
  "coverage": {
    "blame_flags": [
      "-w",
      "-M",
      "-C"
    ],
    "ignore_revs_file": true,
    "method": "v4",
    "sample_floor": 5,
    "shallow": false,
    "small_sample": false
  },
  "method": "v4",
  "probable": {
    "cap_lines": 513,
    "capped_survival_rate": 0.5891270256142185,
    "commits": 21,
    "introduced": 1913,
    "largest_commit_share": 0.2681651855723994,
    "median_survival": 0.8333333333333334,
    "survival_rate": 0.5891270256142185,
    "surviving": 1127
  },
  "repository": {
    "head": "09cc6ec807fe7d736df4d520ec54dddc0b191ef8",
    "origin": "https://github.com/ray-project/ray"
  },
  "total_commits": 32049,
  "verified": {
    "cap_lines": 1241,
    "capped_survival_rate": 0.7669938612221295,
    "commits": 967,
    "introduced": 574407,
    "largest_commit_share": 0.2483953015892912,
    "median_survival": 0.8962962962962963,
    "survival_rate": 0.6324139503870949,
    "surviving": 363263
  }
}