```python
# /// intent
# goal   = "Print the value of the 'owner' key in data/config.json, or 'none' if the key is missing."
# reads  = ["data/config.json"]
# writes = []
# output = "printed"
# ///

import json
from pathlib import Path

def load_config():
    p = Path('data/config.json')
    text = p.read_text()
    return json.loads(text)

def main():
    cfg = load_config()
    print(cfg.get('owner', 'none'))

main()
```