How do you codify the effects of judicial review? What if the court's decision is not binding but is still persuasive -- such as when it's a decision from anoth

How do you codify the effects of judicial review? What if the court's decision is not binding but is still persuasive -- such as when it's a decision from another jurisdiction? Common law has like 800 years of tech debt. It's turtles all the way down. And by turtles I mean precedent, and not all of them are compatible. None of what I've described is malicious. It's just what happens when law meets the messiness of the real world.