Add a "Link to Entry" field in your Orders library. Select the Source: Point it toward your Customers library.
Right now, there is a trend in full-stack development: moving beyond simple CRUD operations to build "time-traveling" APIs. The buzzword on GitHub and Hacker News is "Memento Database" — not as a specific product, but as a design philosophy that combines the classic Gang of Four Memento design pattern with modern database versioning. memento database tutorial hot
Saving a full JSONB snapshot every second is expensive. The hottest trend right now is (similar to Git). Only store the difference (the patch). Add a "Link to Entry" field in your Orders library