v1.2.4

• 云同步由 7z 方案调整为 ZIP 归档方案
• 上传时按时间生成 ZIP 归档并上传到云端
• 下载时自动提取最新 ZIP 归档到本地
• 多路径存档游戏继续支持打包到同一个 ZIP 并按路径顺序还原
• 移除 py7zr 运行时依赖
• 清理打包配置中的 py7zr 相关设置
• 更新同步说明文案，使其与当前 ZIP 同步逻辑保持一致

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• Switched cloud sync from the 7z-based workflow to a ZIP-based archive workflow
• Save uploads are now packaged into timestamped ZIP archives before being sent to the cloud
• Downloads now automatically extract the latest ZIP archive back to the local save folders
• Multi-path save games remain supported and are packed into a single ZIP archive with ordered restoration
• Removed the runtime dependency on py7zr
• Cleaned up py7zr-related packaging configuration
• Updated sync-related descriptions to match the current ZIP-based workflow