Problem guides

Start from the failure you are trying to prevent

These pages are written around the search queries maintainers and teams actually use when DI issues show up in logs, reviews, or startup failures.

Problem guide

Find Captive Dependencies In ASP.NET Core

Use compile-time diagnostics to catch singleton-to-scoped and singleton-to-transient lifetime mismatches before stale state or thread-safety bugs ship.

Problem guide

Spot Constructor Over-Injection Early

Find classes that are accumulating too many constructor dependencies so SRP drift shows up in IDE diagnostics and CI instead of code-review debates.