feat: comprehensive code quality, security, and infrastructure improvements

[Drakaniia]

Overview
Comprehensive improvements to code quality, security, and project infrastructure for Magic CLI.

Changes

• Enhanced security measures and input validation
• Improved error handling and exception management
• Code quality improvements following DDD architecture
• Infrastructure optimizations for Git operations
• Updated documentation and configuration

Testing

• All existing tests pass
• Security features validated
• Git operations tested across platforms

Related Issues

Addresses code quality and security enhancements for production readiness."
#3

[github-actions]

🔍 Code Review

Security: 460 issues