Tdd Workflows Tdd Refactor

Comprehensive TDD refactoring guide with detailed patterns, code smells, and SOLID principles

• +Provides extensive refactoring techniques with clear before/after code examples
• +Includes safety verification checklist and recovery protocol for failed tests
• +Covers code smells, design patterns, and performance optimization systematically
• -Relies on external 'tdd-orchestrator' subagent without explaining fallback behavior
• -Shell execution permission unclear given focus on code analysis and refactoring