- Now detects existing v4 installations immediately after directory prompt - Offers update option upfront for existing v4 installations - If user declines update, continues with normal installation flow - Added 'update' install type handling in installer - Improves user experience by streamlining the update process 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>