{
  "approach": "Implement both `_test_for_monotonicity` and `sort_monotonically` as registered DataFrame methods via `@pf.register_dataframe_method`, supporting optional column names and direction parameters similar to existing patterns in the file.",
  "files_to_edit": [
    "janitor/timeseries.py"
  ],
  "finish_reason": "stop",
  "hypothesis": "Missing implementation of test_for_monotonicity and sort_monotonically methods in janitor/timeseries.py.",
  "retries": {},
  "usage": {
    "completion": 102,
    "prompt": 4860,
    "reasoning": 0
  }
}