Use when designing gRPC services, proto files, or adding gRPC-Web or JSON transcoding.
Use when writing async code, propagating CancellationTokens, or fixing async/await pitfalls.
Use when applying or enforcing C# coding style — namespaces, sealed classes, var usage, XML docs.
Use when applying modern C# idioms — records, pattern matching, primary constructors, collection expressions.
Use when registering services, choosing lifetimes, or implementing DI patterns like decorator or keyed services.
Use when selecting or implementing design patterns in C# — factory, builder, strategy, decorator, or mediator.
Use when implementing error handling with domain exceptions, ProblemDetails, or RpcException mapping.
Use when applying functional patterns in C# — Result types, railway-oriented programming, or immutability.