Hello @Pawel12
Thank you for starting a feature request thread.
Here is a workaround that you could set a very dim level for kasa bulb default state, example : Last On state brightness 5% so bulb will be very dim when power restores.
Changing Presets and Default State for your TP-Link Smart Bulb
If any user requests the same feature, please leave the model of your device and comment below, or vote /thumb up for this feature request. This can help with the evaluation. Thank you.