{
  "name": "layered",
  "description": "Single module with 2 layered perf issues (memory + data-structures). Tests multi-domain discovery.",
  "eval_type": "layered",
  "test_command": "PYTHONPATH=src uv run python -m pytest tests/ -v",
  "bugs": [
    {
      "id": "deepcopy-per-record",
      "file": "src/processor/core.py",
      "function": "_validate_and_transform",
      "domain": "memory",
      "description": "copy.deepcopy(config) called per record — large nested config copied 5k times",
      "expected_fix": "Extract config fields once before the loop; config is never mutated"
    },
    {
      "id": "on2-dedup",
      "file": "src/processor/core.py",
      "function": "_deduplicate",
      "domain": "data-structures",
      "description": "O(n²) dedup via _is_duplicate scanning full unique list per record with field-by-field comparison",
      "expected_fix": "Hash-based dedup with set — build hashable key from non-computed fields"
    }
  ],
  "test_file": "tests/test_processor.py",
  "test_name": "test_process_large_batch",
  "data_size": 5000,
  "rubric": {
    "criteria": {
      "found_deepcopy_issue": 3,
      "found_dedup_issue": 3,
      "correct_fix_deepcopy": 2,
      "correct_fix_dedup": 2
    },
    "total": 10
  }
}
