Certain sensor to use for Raspberry Pi GPIO + MQTT

At least for the flyte/mqtt-io configuration…

Is it unable to use sensors like PIR and Flame Module Sensor? Are there any way to use them or I have to use substitutes?

I guess this is you:

Best move…

What if it is?

Nothing. Just saying that the proper course of action would be to open a ticket to that repository.
Nothing that can be done on the HA side…

Yeah, but still just trying, either for the solution but also for alternatives or such. But I’d try that too.