#!/usr/bin/env python3
"""从项目根目录启动实验（会正确设置 src 路径）。用法与 python -m experiment.runner 相同。"""
import os
import subprocess
import sys
from pathlib import Path

def main():
    root = Path(__file__).resolve().parent
    src = root / "src"
    env = {**os.environ, "PYTHONPATH": str(src)}
    cmd = [sys.executable, "-m", "experiment.runner"] + sys.argv[1:]
    sys.exit(subprocess.run(cmd, env=env, cwd=str(root)).returncode)

if __name__ == "__main__":
    main()