feat: 跨平台持久化与版本管理优化

- Cookie 存储从 temp_dir 迁移至 Tauri app_data_dir，兼容 Linux
- 简单统一风格，UI优化
- recentLocal 播放历史持久化到 localStorage
- 添加设置界面可以修改简单的设置

src-tauri/capabilities/default.json

@@ -10,6 +10,7 @@
     "core:window:allow-maximize",
     "core:window:allow-unmaximize",
     "core:window:allow-close",
+    "core:window:allow-hide",
     "core:window:allow-start-dragging",
     "core:window:allow-toggle-maximize"
   ]