feat: 添加下载管理页面, 引入文件类型检测库以支持多种音频格式

src/i18n/lang/en-US/download.ts

@@ -45,5 +45,11 @@ export default {
     downloadComplete: '{filename} download completed',
     downloadFailed: '{filename} download failed: {error}'
   },
-  loading: 'Loading...'
+  loading: 'Loading...',
+  playStarted: 'Play started: {name}',
+  playFailed: 'Play failed: {name}',
+  path: {
+    copied: 'Path copied to clipboard',
+    copyFailed: 'Failed to copy path'
+  }
 };

src/i18n/lang/zh-CN/download.ts

@@ -44,5 +44,11 @@ export default {
     downloadComplete: '{filename} 下载完成',
     downloadFailed: '{filename} 下载失败: {error}'
   },
-  loading: '加载中...'
+  loading: '加载中...',
+  playStarted: '开始播放: {name}',
+  playFailed: '播放失败: {name}',
+  path: {
+    copied: '路径已复制到剪贴板',
+    copyFailed: '复制路径失败'
+  }
 };