import asyncio


async def bash(command: str, sandbox=None) -> str:
    """
    Execute a bash command in the sandbox.

    Args:
        command: Shell command to run
        sandbox: PodmanSandbox instance

    Returns:
        Command output (stdout + stderr)
    """

    if sandbox is None:
        return "Error: Sandbox not available"

    try:
        result = await asyncio.to_thread(sandbox.run, command)
        return result

    except RuntimeError as e:
        return f"Error: sandbox execution failed: {e}"

    except Exception as e:
        return f"Error: Unexpected failure: {e}"