实现指令消息幂等处理

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd, json
    cmd_csv = open_url(____).read()
    cmds = pd.read_csv(StringIO(____))
    processed_ids = set()
    def process_command(____):
        if message_id in processed_ids:
            return '____', '____'
        processed_ids.add(____)
        return '____', f'____'
    results = {'____':____, '____':____}
    dup_messages = list(cmds['____'].head(____))
    all_msgs = list(zip(____))
    replay = [(____)]
    for mid,did,ct,payload in all_msgs + replay:
        status, msg = process_command(____)
        results[status] += ____
    print(____)
    print(____)