"""Black-box runner entry point.

Future scenarios should call only public runtime inputs and outputs: replay frames,
telemetry, offline cache, MAVLink output, status events, and FDR artifacts.
"""

from pathlib import Path


def main() -> int:
    reports_dir = Path("data/test-results")
    reports_dir.mkdir(parents=True, exist_ok=True)
    (reports_dir / "blackbox_smoke.txt").write_text("blackbox scaffold ready\n", encoding="utf-8")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())