{
  "baseline": {
    "age_matched": {
      "buckets_used": 2,
      "gap": 0.049844597312896255,
      "tagged_lines_covered": 1.0,
      "tagged_rate": 0.8450589670597805,
      "untagged_rate": 0.7952143697468842
    },
    "by_age": [
      {
        "from_days": 0,
        "tagged": {
          "cap_lines": 161,
          "capped_survival_rate": 0.9253089736700698,
          "commits": 23,
          "introduced": 1868,
          "largest_commit_share": 0.08993576017130621,
          "median_survival": 0.967032967032967,
          "survival_rate": 0.9255888650963597,
          "surviving": 1729
        },
        "to_days": 30,
        "untagged": {
          "cap_lines": 3168,
          "capped_survival_rate": 0.8386373497587524,
          "commits": 485,
          "introduced": 414181,
          "largest_commit_share": 0.16811973509166284,
          "median_survival": 0.8951841359773371,
          "survival_rate": 0.8449639167417143,
          "surviving": 349968
        }
      },
      {
        "from_days": 30,
        "tagged": {
          "cap_lines": 207,
          "capped_survival_rate": 0.5905245346869712,
          "commits": 8,
          "introduced": 591,
          "largest_commit_share": 0.350253807106599,
          "median_survival": 0.6007226738934056,
          "survival_rate": 0.5905245346869712,
          "surviving": 349
        },
        "to_days": 90,
        "untagged": {
          "cap_lines": 1674,
          "capped_survival_rate": 0.6774575073114094,
          "commits": 524,
          "introduced": 259113,
          "largest_commit_share": 0.12772805687094047,
          "median_survival": 0.715115402021421,
          "survival_rate": 0.637968762663394,
          "surviving": 165306
        }
      },
      {
        "from_days": 90,
        "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": 180,
        "untagged": {
          "cap_lines": null,
          "capped_survival_rate": null,
          "commits": 0,
          "introduced": 0,
          "largest_commit_share": null,
          "median_survival": null,
          "survival_rate": null,
          "surviving": 0
        }
      },
      {
        "from_days": 180,
        "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": 365,
        "untagged": {
          "cap_lines": null,
          "capped_survival_rate": null,
          "commits": 0,
          "introduced": 0,
          "largest_commit_share": null,
          "median_survival": null,
          "survival_rate": null,
          "surviving": 0
        }
      },
      {
        "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": null,
          "capped_survival_rate": null,
          "commits": 0,
          "introduced": 0,
          "largest_commit_share": null,
          "median_survival": null,
          "survival_rate": null,
          "surviving": 0
        }
      },
      {
        "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": 69,
      "commits_before": 0,
      "date": "2026-08-04",
      "introduced_before": 0,
      "tagged_commits_before": 0,
      "tagged_introduced_before": 0
    },
    "untagged": {
      "cap_lines": 2343,
      "capped_survival_rate": 0.766956394937589,
      "commits": 1009,
      "introduced": 673294,
      "largest_commit_share": 0.10341990274679412,
      "median_survival": 0.8247422680412371,
      "survival_rate": 0.7653031216675034,
      "surviving": 515274
    }
  },
  "by_agent": {
    "claude-code": {
      "cap_lines": 161,
      "capped_survival_rate": 0.9254658385093167,
      "commits": 1,
      "introduced": 161,
      "largest_commit_share": 1.0,
      "median_survival": 0.9254658385093167,
      "survival_rate": 0.9254658385093167,
      "surviving": 149
    },
    "pi": {
      "cap_lines": 168,
      "capped_survival_rate": 0.8492471338478614,
      "commits": 30,
      "introduced": 2298,
      "largest_commit_share": 0.09007832898172324,
      "median_survival": 0.948489010989011,
      "survival_rate": 0.839425587467363,
      "surviving": 1929
    }
  },
  "coverage": {
    "blame_flags": [
      "-w",
      "-M",
      "-C"
    ],
    "ignore_revs_file": false,
    "method": "v4",
    "sample_floor": 5,
    "shallow": false,
    "small_sample": false
  },
  "method": "v4",
  "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": "8bb0e26665f0a2a7fa82ec20488554da2639ba95",
    "origin": "https://github.com/xing-shuyin/pi-web-ui"
  },
  "total_commits": 1040,
  "verified": {
    "cap_lines": 168,
    "capped_survival_rate": 0.8543178823811235,
    "commits": 31,
    "introduced": 2459,
    "largest_commit_share": 0.08418056120374136,
    "median_survival": 0.9326923076923077,
    "survival_rate": 0.8450589670597805,
    "surviving": 2078
  }
}