{
  "id": "#1259",
  "pr": 1259,
  "title": "perf(specifiers): push PEP 440 logic into the range engine",
  "base": "155760e37acbe24bf82444f21e805006ef0b58c8",
  "head": "664f049980f1873c458de72a449003b83173f445",
  "merged": "2026-06-15",
  "after_ultra_release": true,
  "known": [],
  "targets": [
    {
      "target": "packaging.specifiers:SpecifierSet#contains",
      "run_id": "bt-1259-562491",
      "image": "bw-pair:b2b8cb16aee35160",
      "usd": 0.082,
      "harvested": 80,
      "arms": {
        "hypothesis": {
          "classes": [],
          "known": [],
          "seconds": 6.0,
          "error": null
        },
        "mutations": {
          "classes": [],
          "known": [],
          "seconds": 2.7,
          "error": null
        },
        "breakwater": {
          "classes": [],
          "known": [],
          "seconds": 77.5,
          "error": null
        },
        "llm-plan": {
          "classes": [],
          "known": [],
          "seconds": 2.1,
          "error": null
        }
      },
      "findings": [],
      "perf": null
    }
  ]
}