I would say that you would need two completely different systems. Given that tea and bricks are not similar in any way, one would need to have specialized systems which spoke each separate from the other.
You would need different kinds of information systems for each part of your business. The brick-n-mortar store needs a system for in-person sales and inventory, but if you are also doing Internet sales, you would need technology that had secure links and could provide for safe transactions on-line.
I think we need a bit more information here. Are you talking about tea bricks, or regular bricks? You would need to program the parameters of your business into each AI system. Each would be unique. There are some general things that they might have in common.