{
  "context": "Main eval weighted implementation: non-overlapping Java 17 scenario for Collectors.teeing, minBy/maxBy, takeWhile, and dropWhile.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Creates coherent Java 17 artifact",
      "description": "Creates InvoiceBoundsAndTemperatures.java with requested methods and records.",
      "max_score": 10
    },
    {
      "name": "Uses teeing for invoice bounds",
      "description": "Uses Collectors.teeing with minBy and maxBy by Invoice::total, or an equivalent single-pass pair reduction.",
      "max_score": 70
    },
    {
      "name": "Handles empty invoice bounds",
      "description": "Returns a Bounds whose low and high values are null for an empty invoice list.",
      "max_score": 20
    },
    {
      "name": "Uses takeWhile for before-overheat prefix",
      "description": "Uses takeWhile(reading -> reading.temperatureCelsius() <= maxSafeTemperature) or an equivalent prefix-preserving loop, not filter.",
      "max_score": 45
    },
    {
      "name": "Uses dropWhile for after-safe-run remainder",
      "description": "Uses dropWhile(reading -> reading.temperatureCelsius() <= maxSafeTemperature) or an equivalent prefix-skipping loop, not a filter that removes later safe readings.",
      "max_score": 45
    },
    {
      "name": "Keeps implementation focused",
      "description": "Keeps the implementation focused on the requested stream helpers without unrelated abstractions, caching, concurrency, or API redesign.",
      "max_score": 10
    }
  ]
}