概要
This skill provides comprehensive guidance on Ruby 3.x Object-Oriented Programming, covering everything from core fundamentals like classes and modules to advanced metaprogramming and enterprise Rails patterns. It helps developers move beyond basic MVC by implementing specialized objects like Service, Form, and Query objects, ensuring codebases remain maintainable, testable, and aligned with SOLID principles. By providing clear implementation patterns for ActiveSupport::Concern and method lookup chains, it enables the creation of clean, professional-grade Ruby applications.