{
  "approach": "Modify `__post_init__` method in `DefaultExperiment` class to convert numeric attribute values (`start_time`, `stop_time`, `tolerance`) to strings before assignment, preventing XML serialization errors while preserving correct semantics when building the FMU's modelDescription.xml.",
  "files_to_edit": [
    "pythonfmu/default_experiment.py"
  ],
  "finish_reason": "stop",
  "hypothesis": "Fix XML serialization by ensuring all values assigned to child elements under DefaultExperiment are converted to strings.",
  "retries": {},
  "usage": {
    "completion": 100,
    "prompt": 3941,
    "reasoning": 0
  }
}