01Strict enforcement of Sandi Metz's structural limits (5 lines per method, 100 per class)
02Comprehensive RuboCop-compliant naming, formatting, and exception handling standards
03Mandatory Test-Driven Development (TDD) workflow using RSpec and Minitest patterns
04Guidance on idiomatic Ruby patterns including guard clauses and duck typing
050 GitHub stars
06Pre-built templates for standardized Ruby classes, service objects, and test files