Pieces of logic should be part of your product's design system
Treating logic as building blocks will allow you to keep an eye on where redundancy can be reduced to maintain a cohesive experience across features.
Topic
Design Systems
A collection of 5 issues
In-File UX Documentation
In-file, UX documentation is a layer of information that isn’t part of the design itself but helps everyone to understand it better.
Design Systems Reads
My personal recommendations for the topic of Design Systems
Speed, Consistency, and Scalability: The 3 Pillars of Design Systems
One of the most essential parts when trying to get organizational buy-in for a design system initiative is articulating the benefits it will bring to the business.
Design Dependencies & Reusable Flows in Figma
Modular flows that can be shared and reused across teams