KMind v2.13.1 Multiple Roots Support Different Layouts & Themes
Update Summary
This version further optimizes the multi-root experience, supporting different themes and layouts for each root, and adds a series of interaction improvements.

New Features
Support setting different theme & layout for each root individually

Optimized the interaction for dragging child nodes to become new root nodes

Added root node collapse functionality
Added new delete logic for root nodes: first Del key deletes child nodes, second Del deletes the root node
Added global configuration for SiYuan hyperlink icon click behavior

Fixes & Optimizations
- Fixed rainbow lines error in multi-root mode
- Optimized add root node logic to avoid double refresh, improving performance
- Optimized search box style to avoid unexpected shadows
- Fixed search box close button being truncated