refactor: update Go and Python command runners with shared utilities

- Refactor Go command runner to use ConfigUtils, FileUtils, ProjectUtils, and LoggingUtils
- Refactor Python command runner with same shared utilities pattern
- Add helper methods for language-specific file operations
- Improve logging with consistent, colorized output using LoggingUtils
- Enhance error handling and project detection
- Maintain backward compatibility with existing APIs

Author: monch1962