#!/usr/bin/env python3
  """Backward-compatible frontend server entrypoint."""
  
  from __future__ import annotations
  
  import runpy
  from pathlib import Path
  
  
  if __name__ == "__main__":
      target = Path(__file__).resolve().parent / "frontend" / "frontend_server.py"
      runpy.run_path(str(target), run_name="__main__")