Added

• Multi-size Display Layout: Introduced customizable UI sizing options ("Default" and "Compact") for better use of screen real estate on smaller displays. The window resizes instantly upon selection.
• Background Update Check: Added a non-intrusive UI indicator for new updates in the main window and a direct "Update" button in the Settings footer (#15). Changed
• Refined the default clipboard card aspect ratio to be more perfectly square for improved aesthetics.
• Optimized text contrast in Dark Mode to ensure the app name header remains visible on vibrant colored backgrounds.
• Unified toolbar icon colors (Add, Update, Settings) to adapt seamlessly to the system theme. Fixed
• Fixed sub-pixel rendering gaps and black borders around selected cards in specific display scales.
• Restored robust Mica effect persistence across window toggling, system sleep, and wake cycles (#9, #10).
• Fixed redundant UI state updates causing visual tearing when deleting items via context menus (#14).
• Added reliable image cleanup from the filesystem before cascaded folder deletions in SQLite (#11, #14). 新增
• 多尺寸界面布局：加入可自定义的“界面大小”选项（默认 / 紧凑），紧凑模式专为小屏设备优化，切换时主窗口即时丝滑缩放。
• 后台更新检测：增加后台静默更新检测机制，在主界面显示无打扰更新图标，并在设置页底部提供直接更新按钮 (#15)。 修改
• 优化默认剪贴板卡片的宽高比例，使其视觉上更接近完美的正方形，提升整体美感。
• 增强了深色模式下的文字对比度，确保卡片来源应用的标题在鲜艳背景上依旧清晰可读。
• 统一主界面工具栏图标（添加、更新、设置）颜色，使其与系统主题完美适配。 修复
• 修复了在部分缩放比例下，选中卡片时边缘由于亚像素渲染（Sub-pixel rendering）导致的黑色缝隙问题。
• 修复了窗口频繁呼出、系统睡眠唤醒后 Mica 材质特效丢失的问题 (#9, #10)。
• 修复了通过右键菜单删除项目时，冗余的状态更新导致的视觉闪烁问题 (#14)。
• 完善了 SQLite 级联删除机制，彻底解决了删除目录前残留实体图片文件的问题 (#11, #14)。 🔍 VirusTotal Scan Results (70+ antivirus engines):
• x64 installer
• arm64 installer