{
  "baseline": {
    "age_matched": {
      "buckets_used": 3,
      "gap": -0.03415198683674958,
      "tagged_lines_covered": 0.9551201011378002,
      "tagged_rate": 0.7916942422236929,
      "untagged_rate": 0.8258462290604425
    },
    "by_age": [
      {
        "from_days": 0,
        "tagged": {
          "cap_lines": 1582,
          "capped_survival_rate": 0.9298701298701298,
          "commits": 16,
          "introduced": 5005,
          "largest_commit_share": 0.31608391608391606,
          "median_survival": 1.0,
          "survival_rate": 0.9298701298701298,
          "surviving": 4654
        },
        "to_days": 30,
        "untagged": {
          "cap_lines": 1986,
          "capped_survival_rate": 0.8456039909004202,
          "commits": 112,
          "introduced": 42031,
          "largest_commit_share": 0.19735433370607408,
          "median_survival": 0.8839779005524862,
          "survival_rate": 0.8402607599153006,
          "surviving": 35317
        }
      },
      {
        "from_days": 30,
        "tagged": {
          "cap_lines": 617,
          "capped_survival_rate": 0.6719269102990033,
          "commits": 7,
          "introduced": 1204,
          "largest_commit_share": 0.5124584717607974,
          "median_survival": 0.9848484848484849,
          "survival_rate": 0.6719269102990033,
          "surviving": 809
        },
        "to_days": 90,
        "untagged": {
          "cap_lines": 2703,
          "capped_survival_rate": 0.8041865260462174,
          "commits": 229,
          "introduced": 130228,
          "largest_commit_share": 0.04432994440519704,
          "median_survival": 0.8344941950378392,
          "survival_rate": 0.8074991553275793,
          "surviving": 105159
        }
      },
      {
        "from_days": 90,
        "tagged": {
          "cap_lines": 1334,
          "capped_survival_rate": 0.6985881952713047,
          "commits": 9,
          "introduced": 5879,
          "largest_commit_share": 0.22690933832284402,
          "median_survival": 0.8073463268365817,
          "survival_rate": 0.6985881952713047,
          "surviving": 4107
        },
        "to_days": 180,
        "untagged": {
          "cap_lines": 1837,
          "capped_survival_rate": 0.8117411389253205,
          "commits": 321,
          "introduced": 142499,
          "largest_commit_share": 0.047874020168562584,
          "median_survival": 0.8444525018129079,
          "survival_rate": 0.8173320514529927,
          "surviving": 116469
        }
      },
      {
        "from_days": 180,
        "tagged": {
          "cap_lines": 561,
          "capped_survival_rate": 0.9330985915492958,
          "commits": 2,
          "introduced": 568,
          "largest_commit_share": 0.9876760563380281,
          "median_survival": 0.7545199898141075,
          "survival_rate": 0.9330985915492958,
          "surviving": 530
        },
        "to_days": 365,
        "untagged": {
          "cap_lines": 1674,
          "capped_survival_rate": 0.7646545726035532,
          "commits": 712,
          "introduced": 262982,
          "largest_commit_share": 0.04159980530986911,
          "median_survival": 0.7786666666666666,
          "survival_rate": 0.774604345544562,
          "surviving": 203707
        }
      },
      {
        "from_days": 365,
        "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": 730,
        "untagged": {
          "cap_lines": 1192,
          "capped_survival_rate": 0.6820342334863589,
          "commits": 799,
          "introduced": 420219,
          "largest_commit_share": 0.4972050288064081,
          "median_survival": 0.7029968900197907,
          "survival_rate": 0.8324778270378065,
          "surviving": 349823
        }
      },
      {
        "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": 678,
      "commits_before": 0,
      "date": "2024-11-25",
      "introduced_before": 0,
      "tagged_commits_before": 0,
      "tagged_introduced_before": 0
    },
    "untagged": {
      "cap_lines": 1666,
      "capped_survival_rate": 0.762722019609739,
      "commits": 2173,
      "introduced": 997959,
      "largest_commit_share": 0.2093623084715905,
      "median_survival": 0.793939393939394,
      "survival_rate": 0.8121325625601853,
      "surviving": 810475
    }
  },
  "by_agent": {
    "claude-code": {
      "cap_lines": 1334,
      "capped_survival_rate": 0.7039049235993209,
      "commits": 13,
      "introduced": 5890,
      "largest_commit_share": 0.2264855687606112,
      "median_survival": 0.8529411764705882,
      "survival_rate": 0.7039049235993209,
      "surviving": 4146
    },
    "cursor": {
      "cap_lines": 1256,
      "capped_survival_rate": 0.7117834394904459,
      "commits": 1,
      "introduced": 1256,
      "largest_commit_share": 1.0,
      "median_survival": 0.7117834394904459,
      "survival_rate": 0.7117834394904459,
      "surviving": 894
    },
    "github-copilot": {
      "cap_lines": 489,
      "capped_survival_rate": 0.8004032258064516,
      "commits": 2,
      "introduced": 496,
      "largest_commit_share": 0.9858870967741935,
      "median_survival": 0.6875547765118317,
      "survival_rate": 0.8004032258064516,
      "surviving": 397
    },
    "openai-codex": {
      "cap_lines": 1582,
      "capped_survival_rate": 0.9299960111687275,
      "commits": 18,
      "introduced": 5014,
      "largest_commit_share": 0.3155165536497806,
      "median_survival": 1.0,
      "survival_rate": 0.9299960111687275,
      "surviving": 4663
    }
  },
  "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": null,
    "capped_survival_rate": null,
    "commits": 0,
    "introduced": 0,
    "largest_commit_share": null,
    "median_survival": null,
    "survival_rate": null,
    "surviving": 0
  },
  "repository": {
    "head": "64b3b46114882b9d40b492fa5d45e6c12604573f",
    "origin": "https://github.com/apache/fluss"
  },
  "total_commits": 2207,
  "verified": {
    "cap_lines": 1488,
    "capped_survival_rate": 0.796529215093138,
    "commits": 34,
    "introduced": 12656,
    "largest_commit_share": 0.125,
    "median_survival": 0.9233511586452763,
    "survival_rate": 0.7980404551201011,
    "surviving": 10100
  }
}