State-of-the-art C# / .NET engineering rules (2026 baseline, .NET 10 LTS / C# 14) that Claude applies when writing or auditing .NET code. Covers modern idioms (records, nullable reference types, pattern matching, spans, file-scoped namespaces), API/null/immutability/`IDisposable` design, async/await
State-of-the-art C# / .NET engineering rules (2026 baseline, .NET 10 LTS / C# 14) that Claude applies when writing or auditing .NET code. Covers modern idioms (records, nullable reference types, pattern matching, spans, file-scoped namespaces), API/null/immutability/`IDisposable` design, async/await & concurrency (ConfigureAwait, channels, cancellation, TPL), security (OWASP .NET, deserialization