You can file an issue on the openhab-webui but I wouldn’t hold my breath. The typical model implemented in OH 3 is to use authentication and role based visibility, not to make users enter a pin. For example, why have a pin to enter to flip a switch when you can just only show that switch to administration users who are the only ones who should be controlling it anyway? Why ask for a pin before an action if the user as already authenticated?
Furthermore, adding something like this is likely to be a huge effort requiring coordinated changes to multiple repos. So just asking for it isn’t going to go anywhere. A developer needs to volunteer to implement something like this and do most if not all of the work.
Remember, openHAB has been around for a decade and there are a lot of very smart people developing it and using it. It’s unlikely that hasn’t been implemented because no one thought of it. It’s not been implemented because:
- no developer has wanted the feature themselves
- the effort required to implement it is too great for the benefit
- it’s impossible with the current architecture and framework
- it’s impossible to come up with a solution that is comprehensive
Finally, and new users really don’t like to hear this, but openHAB and home automation in general is a software development effort. You as the administrator of openHAB or Home Assistant or what ever you are using are doing software development. It is going to be a lot of work. It’s going to require a lot of learning. It’s going to require the ability to learn, understand, and apply abstract concepts. There is no way around that. Given this, making something like this possible with a little bit of work but also giving you the developer full control over how it looks, what it does, etc. is often far better than a hard coded toggle that does something close to what you want but not quite and you have no recourse because configurability and customization was thrown out in favor of having a simple button.
There are some commercial systems that choose simple over capability like SmartThings and Google Assistant and Alexa. But generally, those systems are so limited as to make it impossible to realize what you want.