v0.7.4

• 重复文件删除前重新核对内容并保留每组基准副本，避免文件变化后误删
• 目录迁移增加断点身份记录，只对匹配任务续迁或补建链接
• 复用执行前分析结果，避免大目录重复统计
• 配置与迁移历史改为可靠的原子保存
• 优化语言翻译缓存和页面遍历，并更新英文语言包

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• Revalidate duplicate content before deletion and keep one reference copy per group
• Add migration recovery records so only matching tasks can resume or recreate links
• Reuse pre-migration analysis to avoid rescanning large directories
• Save settings and migration history with reliable atomic writes
• Optimize translation caching and page traversal, and update the English language pack

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