NestJS Best Practices Comprehensive best practices guide for NestJS applications. Contains 40 rules across 10 categories, prioritized by impact to guide automated refactoring and code generation. When to Apply Reference these guidelines when: - Writing new NestJS modules, controllers, or services - Implementing authentication and authorization - Reviewing code for architecture and security issues - Refactoring existing NestJS codebases - Optimizing performance or database queries - Building microservices architectures Rule Categories by Priority | Priority | Category | Impact | Prefix | |----…