coding-standards

Universal coding standards and best practices for TypeScript, JavaScript, React, and Node.js projects. Baseline coding conventions applicable across projects. This skill is the shared floor, not the detailed framework playbook. Activate this skill for: Do not use this skill as the primary source for: Watch for these anti-patterns: Remember : Code quality is not negotiable. Clear, maintainable code enables rapid development and confident refactoring. - Covers core principles (readability, KISS, DRY, YAGNI) with practical code examples for variable naming, function design, immutability, error handling, and type safety - Includes React-specific guidance on component structure, custom hooks, state management, and conditional rendering patterns - Provides API design standards with REST conventions, response formats, and input validation using Zod schemas - Details file organization, project structure, commenting practices, performance optimization (memoization, lazy loading), and testing patterns with the AAA approach - Identifies common code smells like long functions, deep nesting, and magic numbers with refactoring examples - Use frontend-patterns for React, state, forms, rendering, and UI architecture. - Use backend-patterns or api-design for repository/service layers, endpoint design, validation, and server-specific concerns. - Use rules/common/coding-style.md when you need...