{
  "baseline": {
    "age_matched": {
      "buckets_used": 5,
      "gap": 0.1666193011000595,
      "tagged_lines_covered": 1.0,
      "tagged_rate": 0.7938399662869015,
      "untagged_rate": 0.6272206651868419
    },
    "by_age": [
      {
        "from_days": 0,
        "tagged": {
          "cap_lines": 2457,
          "capped_survival_rate": 0.9220205084551235,
          "commits": 72,
          "introduced": 40814,
          "largest_commit_share": 0.1356887342578527,
          "median_survival": 0.9733729717535973,
          "survival_rate": 0.9090753172930857,
          "surviving": 37103
        },
        "to_days": 30,
        "untagged": {
          "cap_lines": 1476,
          "capped_survival_rate": 0.8920092126369261,
          "commits": 35,
          "introduced": 11563,
          "largest_commit_share": 0.13845887745394794,
          "median_survival": 0.9230769230769231,
          "survival_rate": 0.8916371183948802,
          "surviving": 10310
        }
      },
      {
        "from_days": 30,
        "tagged": {
          "cap_lines": 1028,
          "capped_survival_rate": 0.881298309490221,
          "commits": 53,
          "introduced": 15458,
          "largest_commit_share": 0.14626730495536291,
          "median_survival": 0.8936688311688312,
          "survival_rate": 0.8886013714581447,
          "surviving": 13736
        },
        "to_days": 90,
        "untagged": {
          "cap_lines": 1343,
          "capped_survival_rate": 0.8984067923115907,
          "commits": 76,
          "introduced": 32070,
          "largest_commit_share": 0.35887121920798254,
          "median_survival": 0.9459459459459459,
          "survival_rate": 0.8807296538821329,
          "surviving": 28245
        }
      },
      {
        "from_days": 90,
        "tagged": {
          "cap_lines": 2953,
          "capped_survival_rate": 0.8652527429929449,
          "commits": 77,
          "introduced": 36534,
          "largest_commit_share": 0.11635736574150107,
          "median_survival": 0.9259259259259259,
          "survival_rate": 0.8736793124213061,
          "surviving": 31919
        },
        "to_days": 180,
        "untagged": {
          "cap_lines": 811,
          "capped_survival_rate": 0.7198330456768126,
          "commits": 140,
          "introduced": 22192,
          "largest_commit_share": 0.10436193222782984,
          "median_survival": 0.7409677419354839,
          "survival_rate": 0.7369772891131939,
          "surviving": 16355
        }
      },
      {
        "from_days": 180,
        "tagged": {
          "cap_lines": 1005,
          "capped_survival_rate": 0.5235330962928683,
          "commits": 177,
          "introduced": 39032,
          "largest_commit_share": 0.1407819225251076,
          "median_survival": 0.5900370612600829,
          "survival_rate": 0.580574912891986,
          "surviving": 22661
        },
        "to_days": 365,
        "untagged": {
          "cap_lines": 740,
          "capped_survival_rate": 0.49672952303677886,
          "commits": 455,
          "introduced": 221420,
          "largest_commit_share": 0.3593216511606901,
          "median_survival": 0.4782608695652174,
          "survival_rate": 0.17424803540782224,
          "surviving": 38582
        }
      },
      {
        "from_days": 365,
        "tagged": {
          "cap_lines": 853,
          "capped_survival_rate": 0.571470330312774,
          "commits": 18,
          "introduced": 3421,
          "largest_commit_share": 0.24934229757380882,
          "median_survival": 0.4554054054054054,
          "survival_rate": 0.571470330312774,
          "surviving": 1955
        },
        "to_days": 730,
        "untagged": {
          "cap_lines": 991,
          "capped_survival_rate": 0.4300046149113941,
          "commits": 233,
          "introduced": 129239,
          "largest_commit_share": 0.4358204566732952,
          "median_survival": 0.27164502164502163,
          "survival_rate": 0.3231996533554113,
          "surviving": 41770
        }
      },
      {
        "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": null,
          "capped_survival_rate": null,
          "commits": 0,
          "introduced": 0,
          "largest_commit_share": null,
          "median_survival": null,
          "survival_rate": null,
          "surviving": 0
        }
      }
    ],
    "oldest_surviving": {
      "age_days": 515,
      "commits_before": 0,
      "date": "2025-05-07",
      "introduced_before": 0,
      "tagged_commits_before": 0,
      "tagged_introduced_before": 0
    },
    "untagged": {
      "cap_lines": 982,
      "capped_survival_rate": 0.5824502191096234,
      "commits": 939,
      "introduced": 416484,
      "largest_commit_share": 0.19103014761671516,
      "median_survival": 0.5166666666666667,
      "survival_rate": 0.324771179685174,
      "surviving": 135262
    }
  },
  "by_agent": {
    "claude-code": {
      "cap_lines": 1863,
      "capped_survival_rate": 0.8001156939655194,
      "commits": 265,
      "introduced": 104307,
      "largest_commit_share": 0.05268102811891819,
      "median_survival": 0.8790739765252509,
      "survival_rate": 0.8166661873124527,
      "surviving": 85184
    },
    "cursor": {
      "cap_lines": 3969,
      "capped_survival_rate": 0.9465701011205248,
      "commits": 14,
      "introduced": 7318,
      "largest_commit_share": 0.5423613009018857,
      "median_survival": 0.9268645973909132,
      "survival_rate": 0.9465701011205248,
      "surviving": 6927
    },
    "devin": {
      "cap_lines": 1136,
      "capped_survival_rate": 0.7868561278863233,
      "commits": 9,
      "introduced": 2252,
      "largest_commit_share": 0.5044404973357016,
      "median_survival": 0.5132978723404256,
      "survival_rate": 0.7868561278863233,
      "surviving": 1772
    },
    "gemini": {
      "cap_lines": 432,
      "capped_survival_rate": 0.5673736647662097,
      "commits": 106,
      "introduced": 20528,
      "largest_commit_share": 0.26977786438035856,
      "median_survival": 0.595261721657157,
      "survival_rate": 0.6163776305533905,
      "surviving": 12653
    },
    "openai-codex": {
      "cap_lines": 424,
      "capped_survival_rate": 0.9812646370023419,
      "commits": 3,
      "introduced": 854,
      "largest_commit_share": 0.4964871194379391,
      "median_survival": 0.9859154929577465,
      "survival_rate": 0.9812646370023419,
      "surviving": 838
    }
  },
  "coverage": {
    "blame_flags": [
      "-w",
      "-M",
      "-C"
    ],
    "ignore_revs_file": false,
    "method": "v3",
    "sample_floor": 5,
    "shallow": false,
    "small_sample": false
  },
  "method": "v3",
  "probable": {
    "cap_lines": 1578,
    "capped_survival_rate": 0.6588628762541806,
    "commits": 3,
    "introduced": 2392,
    "largest_commit_share": 0.6596989966555183,
    "median_survival": 0.7239263803680982,
    "survival_rate": 0.6588628762541806,
    "surviving": 1576
  },
  "repository": {
    "head": "5f9a1be2eaf3f267cfc158a11bcc91c7fd55faa1",
    "origin": "https://github.com/NovaSky-AI/SkyRL"
  },
  "total_commits": 1339,
  "verified": {
    "cap_lines": 1249,
    "capped_survival_rate": 0.7620391668562695,
    "commits": 397,
    "introduced": 135259,
    "largest_commit_share": 0.04094367103113286,
    "median_survival": 0.8047498392769352,
    "survival_rate": 0.7938399662869015,
    "surviving": 107374
  }
}