Fix Gradio MCP tool exposure - only expose 3 core tools

Update version to 0.5.1 and enhance documentation; add comprehensive error handling tests

Refactor test files for improved readability and consistency

Implement comprehensive error handling and validation utilities for MT5 MCP Server

Merge remote-tracking branch 'origin/main' into dev

Update README and USAGE documentation to clarify CLI usage and package naming conventions

Merge pull request #1 from Cloudmeru/dev

Add comprehensive unit and manual tests for MT5 MCP Server

Prepare v0.4.0 for PyPI release - Add LICENSE, enhance metadata, fix workflow

Refactor clean build artifacts step in GitHub Actions workflow for improved readability

Update GitHub Actions workflow to enhance permissions and streamline PyPI publishing process

Add GitHub Actions workflow for publishing to PyPI

Fix header formatting in README.md for consistency

Fix header formatting in README.md for consistency

Remove outdated documentation files related to XGBoost ML signal implementation and tool description updates in MT5-MCP v0.4.0. This includes the deletion of TOOL_DESCRIPTION_UPDATE.md, XGBOOST_IMPLEMENTATION_SUMMARY.md, XGBOOST_ML_SIGNAL.md, XGBOOST_QUICK_REFERENCE.md, and associated content to streamline the documentation and focus on the latest features and usage guidelines.