from datetime import datetime, timedelta, timezone

def get_current_time_str() -> str:
    """
    Returns the current time in UTC+8 (China Standard Time).
    Format: YYYY-MM-DD HH:MM:SS (CST)
    """
    # Create UTC+8 timezone
    tz = timezone(timedelta(hours=8))
    now = datetime.now(tz)
    return now.strftime("%Y-%m-%d %H:%M:%S (CST)")