实现指令幂等下发（防重复执行）

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    cmd_csv = open_url(____).read()
    cmds = pd.read_csv(StringIO(____))
    executed_cmd_ids = set(____)
    def dispatch_cmd(____):
        if cmd_id in executed_cmd_ids:
            return '____', '____'
        executed_cmd_ids.add(____)
        return '____', '____'
    print(____)
    for _, row in cmds.iterrows():
        status, msg = dispatch_cmd(____)
        print(____)