import asyncio,random,time
async def presence(bot,interval=45):
    await bot.wait_until_ready()
    since=int(time.time()*1000)
    while True:
        payload={"op":3,"d":{"status":"idle","since":since,"afk":True,"activities":[]}}
        try:
            if bot.ws:await bot.ws.send_as_json(payload)
        except Exception as e:bot.hook.put(f"presence update failed: {e!r}")
        await asyncio.sleep(interval+random.uniform(-5,5))