Building a Error Library

Error handling is one of those things that quietly shapes the entire experience of a system. When it works well, users recover quickly, support teams stay efficient, and developers can focus on real problems. When it doesn’t, even small issues turn into long, frustrating investigations. To improve this, it helps to start with a simple question: what do we actually want from our errors? A big part of the problem with many existing approaches is that they treat all errors more or less the same. In