MiaoYan V4.1.0 Aegis 🛡️

Changelog

1. Fixes a rare case where switching notes could overwrite one note with another
2. Preview renders GitHub-style alert cards, all five kinds themed for light and dark
3. New Clean Typography command normalizes mixed CJK and Latin spacing and punctuation
4. Pasting from web pages or AI tools converts rich content to clean Markdown
5. Batch import Markdown files and folders to bring old notes into MiaoYan
6. iOS editor gains syntax highlight and image paste, plus external cloud folders

更新日志

1. 修复切换笔记时内容可能被另一篇覆盖的问题，保存前增加内容归属校验
2. 预览支持 GitHub 风格提示卡片，NOTE、TIP、WARNING 等五类适配亮暗主题
3. 新增排版净化，一键规范中英文空格和标点，代码、链接、公式保持原样
4. 从网页或 AI 工具复制的内容粘贴时自动转成 Markdown，表格和列表不走样
5. 支持批量导入 Markdown 文件和文件夹，整理旧笔记更方便
6. iOS 编辑器支持语法高亮和图片粘贴，新增外部云文件夹和阅读细节优化

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https://github.com/tw93/MiaoYan