OrderService

The article presents a system design problem where a mobile app directly communicates with three backend services, with a fourth one approaching, causing integration complexity and tight coupling. It …

Common software bug where a Scoped service (like `OrderService`) caches an entity from a Scoped `DbContext` into a Singleton service (like `IMemoryCache`). This causes data corruption and crashes in p…

"Context Tax," a productivity cost incurred when senior engineers must repeatedly re-explain their project's architectural conventions to AI coding tools like Cursor, which lack persistent memory betw…