I think the simplest solution to the mismatched stick issue is to use servo motors to replicate the old situation--the movement of each stick mirrors the movements of the other.
A pilot wouldn't have to look for some stick position display, or indicator light, if they can easily feel the deflection of the stick.
My understanding--I am not an aviator--is that the current Boeing controls behave this way and have for a long time. Apparently there is a lot of disagreement between the Boeing/US and Airbus/EU schools of thought, with a preference for greater mechanical (rather than electrical) interaction with flight controls on the Boeing side.
A pilot wouldn't have to look for some stick position display, or indicator light, if they can easily feel the deflection of the stick.