{
  "id": "#1064",
  "pr": 1064,
  "title": "perf: dual replace",
  "base": "d5398b8bc19f3fad7b035ceb83023caf06d6e2da",
  "head": "9627a8821f09e4c55cd6e9daadb617b67c4741c2",
  "merged": "2026-01-19",
  "after_ultra_release": false,
  "known": [],
  "targets": [
    {
      "target": "packaging.utils:canonicalize_name",
      "run_id": "bt-1064-36d36e",
      "image": "bw-pair:810b943be062d4e3",
      "usd": 0.022,
      "harvested": 69,
      "arms": {
        "hypothesis": {
          "classes": [
            "P1|value|differs|control+non-ascii",
            "P1|value|differs|control+non-ascii+whitespace",
            "P1|value|differs|non-ascii",
            "P1|value|differs|non-ascii+whitespace",
            "P3|gt|True|False",
            "P3|lt|False|True"
          ],
          "known": [],
          "seconds": 17.1,
          "error": null
        },
        "mutations": {
          "classes": [
            "P1|value|differs|non-ascii"
          ],
          "known": [],
          "seconds": 3.8,
          "error": null
        },
        "breakwater": {
          "classes": [
            "P1|value|differs|control+non-ascii",
            "P1|value|differs|non-ascii",
            "P1|value|differs|non-ascii+whitespace",
            "P3|gt|False|True",
            "P3|gt|True|False",
            "P3|lt|False|True",
            "P3|lt|True|False"
          ],
          "known": [],
          "seconds": 66.7,
          "error": null
        },
        "llm-plan": {
          "classes": [
            "P1|value|differs|non-ascii",
            "P3|gt|False|True",
            "P3|gt|True|False",
            "P3|lt|False|True",
            "P3|lt|True|False"
          ],
          "known": [],
          "seconds": 7.8,
          "error": null
        }
      },
      "findings": [
        {
          "signature": "P1|value|differs|non-ascii",
          "probe": "P1",
          "detail": "value",
          "args": [
            [
              "Ä"
            ]
          ],
          "base": "Ä",
          "head": "ä",
          "found_by": [
            "A2/s4",
            "A3/s1",
            "A3/s4",
            "A4/s3",
            "A5/s1",
            "A5/s4",
            "seed",
            "mutation:separators",
            "mutation:signs",
            "mutation:case",
            "batch"
          ]
        },
        {
          "signature": "P1|value|differs|non-ascii+whitespace",
          "probe": "P1",
          "detail": "value",
          "args": [
            [
              "Á "
            ]
          ],
          "base": "Á ",
          "head": "á ",
          "found_by": [
            "mutation:whitespace-outer",
            "mutation:whitespace-inner"
          ]
        },
        {
          "signature": "P1|value|differs|control+non-ascii",
          "probe": "P1",
          "detail": "value",
          "args": [
            [
              "Á\u0000"
            ]
          ],
          "base": "Á\u0000",
          "head": "á\u0000",
          "found_by": [
            "mutation:edges"
          ]
        },
        {
          "signature": "P3|gt|False|True",
          "probe": "P3",
          "detail": "gt",
          "args": [
            [
              "Á"
            ],
            [
              "İ"
            ]
          ],
          "base": false,
          "head": true,
          "found_by": [
            "seed",
            "focus"
          ]
        },
        {
          "signature": "P3|gt|True|False",
          "probe": "P3",
          "detail": "gt",
          "args": [
            [
              "İ"
            ],
            [
              "Ä"
            ]
          ],
          "base": true,
          "head": false,
          "found_by": [
            "seed",
            "focus"
          ]
        },
        {
          "signature": "P3|lt|True|False",
          "probe": "P3",
          "detail": "lt",
          "args": [
            [
              "Á"
            ],
            [
              "İ"
            ]
          ],
          "base": true,
          "head": false,
          "found_by": [
            "seed",
            "focus"
          ]
        },
        {
          "signature": "P3|lt|False|True",
          "probe": "P3",
          "detail": "lt",
          "args": [
            [
              "İ"
            ],
            [
              "Ä"
            ]
          ],
          "base": false,
          "head": true,
          "found_by": [
            "seed",
            "focus"
          ]
        }
      ],
      "perf": null
    }
  ]
}