React development and clean architecture

Maintaining React applications requires prioritizing clean architecture over clever code to ensure long-term scalability. Similarly, in .NET development, using mutable classes for DTOs is considered incorrect since C# 9. Records provide a superior, principle-driven alternative for request models and event payloads. Relying on outdated class structures can lead to severe production incidents, including race conditions in async pipelines, corrupted audit trails, and duplicate payments, highlighting the necessity of modern data structures for system stability.