Looking for advice on my current project

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Another case of double posting, the relevant thread is here.

Looking for some insight on my current project

this is a half wall I built in the entry way of my house, the photo shows the wall on the opposite side of the stairs measuring in at 4’ plus 6" baseboard. The wall on the stairs side measures in at 6 1/8" plus 6" baseboard the forum wouldn’t allow me to post the second photo but that is the height of that side of the wall. so my question is do I need to put any kind of railing or guard on the half wall as per building code? I tried googling it and didn’t really find anything useful. I want to k…