Release v1.6.5
π What's New
Modern TypeScript Best Practices (2024-2025)
We've significantly enhanced the TypeScript development experience with cutting-edge patterns and practices:
π·οΈ Branded Types
- Type-safe identifiers with runtime validation
- Prevent mix-ups between similar primitive types
- Production-ready patterns for user IDs, email addresses, and more
π§ Functional Programming Integration
- Effect-TS and fp-ts ecosystem support
- Monadic error handling patterns
- Type-safe composition and pipeline operations
π Modern Dependency Injection
- Container-based DI patterns with type safety
- Lifecycle management and circular dependency prevention
- Integration with popular DI libraries
β¨ Advanced Type Features
satisfiesoperator for better type inference- Template literal types for API endpoint safety
- Conditional types for flexible library design
π International Development Support
Complete Japanese-English Synchronization
- Fixed systematic inconsistencies between language versions
- Ensured functional parity across all documentation
- Eliminated quality disparities in template-generated content
Enhanced Template Quality
- Design Document template completely restructured (269 lines, 48 sections)
- Added missing critical sections: Change Impact Mapping, Architecture Overview, Data Flow
- Standardized progress tracking in work plan templates
π§ͺ Improved Testing Experience
Test-First Development Process
- Comprehensive Red-Green-Refactor methodology
- Step-by-step guidance for TDD implementation
- Quality gates and verification procedures
Modern Testing Patterns
- Vitest-optimized configurations
- Test helper utilities and conventions
- Coverage reporting and quality metrics
π§ Technical Improvements
Rule System Enhancements
- Updated rule index with modern TypeScript tags
- Streamlined technical specifications
- Better cross-references and documentation links
Agent and Command Standardization
- Removed redundant content from English agent files
- Unified command structure across languages
- Consistent documentation patterns
Documentation Quality
- Single source of truth for all development standards
- Clear separation of concerns between different document types
- Improved cross-language consistency
π Statistics
- Files Changed: 14
- Lines Added: 348
- Lines Removed: 227
- Languages Supported: Japanese, English (full parity)
- New Patterns: 8+ modern TypeScript practices added
Full Changelog: View on GitHub