v1.2.0 - Architecture Refactoring

🏗️ Major Architecture Refactoring

This release includes a comprehensive refactoring of the interface layer following industry best practices: DRY (Don't Repeat Yourself), KISS (Keep It Simple, Stupid), and SOLID principles.

🎯 What Changed

New Modular Architecture:

• indicator_config.py - Centralized repository of 40+ indicator IDs and metadata
• tool_helpers.py - Reusable utility classes (DateTimeHelper, ResponseFormatter, ToolExecutor)
• tool_services.py - Service layer for complex multi-indicator operations

Refactored mcp_server.py:

• Reduced from 1314 to 923 lines (30% code reduction)
• Eliminated 15+ instances of duplicate code
• Improved separation of concerns with focused, single-responsibility classes

✨ Benefits

• 🚀 Better Maintainability - Changes isolated to specific services
• 📈 More Scalable - Easy to add new tools without code duplication
• 🧪 Better Tested - 96 tests with 90% coverage (up from 59 tests)
• 🎓 Better Documented - Updated README.md and CLAUDE.md with new architecture
• 🔒 Type Safe - 100% type-annotated with mypy strict mode

🔄 Breaking Changes

None! All 15 MCP tools maintain the same API. This is a purely internal refactoring.

📊 Testing

• ✅ 96 tests passing (44 new tests added)
• ✅ 90% code coverage across all layers
• ✅ Unit tests for all new helper classes and services
• ✅ E2E tests for all 15 MCP tools

📝 What's Next

The refactored architecture makes it much easier to:

• Add new analysis tools
• Extend existing functionality
• Maintain and debug the codebase
• Contribute to the project

🙏 Acknowledgments

Built with Claude Code following Clean Architecture and Domain-Driven Design principles.

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Full Changelog: v1.1.0...v1.2.0