{
  "context": "This evaluation assesses how effectively the engineer uses asyncstdlib's batching functionality to group async iterable items into fixed-size batches. The focus is on proper usage of the asyncstdlib.itertools.batched() function and related async iteration patterns.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses batched() function",
      "description": "Uses asyncstdlib.itertools.batched() or asyncstdlib.batched() to group items into fixed-size batches in process_stream()",
      "max_score": 40
    },
    {
      "name": "Correct batch size",
      "description": "Passes the batch_size parameter correctly to batched() function",
      "max_score": 10
    },
    {
      "name": "Async iteration pattern",
      "description": "Properly iterates over batched results using async for loop to yield batches",
      "max_score": 15
    },
    {
      "name": "Batching in processing",
      "description": "Uses asyncstdlib.batched() in batch_process_records() to group records before processing",
      "max_score": 20
    },
    {
      "name": "Async collection",
      "description": "Uses asyncstdlib async collection functions (like asyncstdlib.list()) to collect batched results when needed",
      "max_score": 15
    }
  ]
}