소개
The Test-Driven Development (TDD) skill transforms Claude into a disciplined engineering partner that adheres to the 'Iron Law' of software development: no production code is written without a prior failing test. By guiding you through the Red-Green-Refactor cycle, this skill ensures that every feature, bug fix, or refactor is purposeful, verified, and maintainable. It helps prevent over-engineering, captures edge cases early, and builds a robust suite of regression tests that document the intended behavior of your codebase.
