# sanguo_data/config.py
from dataclasses import dataclass
import yaml

@dataclass(frozen=True)
class DataConfig:
    data_paths: dict
    data_sources: dict
    validation: dict
    performance: dict

def load_config(path: str) -> DataConfig:
    with open(path, "r", encoding="utf-8") as f:
        raw = yaml.safe_load(f)
    return DataConfig(
        data_paths=raw.get("data_paths", {}),
        data_sources=raw.get("data_sources", {}),
        validation=raw.get("validation", {}),
        performance=raw.get("performance", {}),
    )