feat: 新增歌单导入功能

添加歌单导入功能，支持通过链接、文本和元数据三种方式导入歌单
- 实现链接导入、文本导入和元数据导入三种方式
- 添加导入状态检查和显示功能

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

@@ -27,6 +27,7 @@ export default {
   refresh: 'Refresh',
   retry: 'Retry',
   reset: 'Reset',
+  back: 'Back',
   copySuccess: 'Copied to clipboard',
   copyFailed: 'Copy failed',
   validation: {

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

@@ -120,5 +120,65 @@ export default {
     addToPlaylistSuccess: 'Add to Playlist Success',
     operationFailed: 'Operation Failed',
     songsAlreadyInPlaylist: 'Songs already in playlist'
+  },
+  playlist: {
+    import: {
+      button: 'Import Playlist',
+      title: 'Import Playlist',
+      description: 'Import playlists via metadata, text, or links',
+      linkTab: 'Import by Link',
+      textTab: 'Import by Text',
+      localTab: 'Import by Metadata',
+      linkPlaceholder: 'Enter playlist links, one per line',
+      textPlaceholder: 'Enter song information in format: Song Name Artist Name',
+      localPlaceholder: 'Enter song metadata in JSON format',
+      linkTips: 'Supported link sources:',
+      linkTip1: 'Copy links after sharing playlists to WeChat/Weibo/QQ',
+      linkTip2: 'Directly copy playlist/profile links',
+      linkTip3: 'Directly copy article links',
+      textTips: 'Enter song information, one song per line',
+      textFormat: 'Format: Song Name Artist Name',
+      localTips: 'Add song metadata',
+      localFormat: 'Format example:',
+      songNamePlaceholder: 'Song Name',
+      artistNamePlaceholder: 'Artist Name',
+      albumNamePlaceholder: 'Album Name',
+      addSongButton: 'Add Song',
+      addLinkButton: 'Add Link',
+      importToStarPlaylist: 'Import to My Favorite Music',
+      playlistNamePlaceholder: 'Enter playlist name',
+      importButton: 'Start Import',
+      emptyLinkWarning: 'Please enter playlist links',
+      emptyTextWarning: 'Please enter song information',
+      emptyLocalWarning: 'Please enter song metadata',
+      invalidJsonFormat: 'Invalid JSON format',
+      importSuccess: 'Import task created successfully',
+      importFailed: 'Import failed',
+      importStatus: 'Import Status',
+      refresh: 'Refresh',
+      taskId: 'Task ID',
+      status: 'Status',
+      successCount: 'Success Count',
+      failReason: 'Failure Reason',
+      unknownError: 'Unknown error',
+      statusPending: 'Pending',
+      statusProcessing: 'Processing',
+      statusSuccess: 'Success',
+      statusFailed: 'Failed',
+      statusUnknown: 'Unknown',
+      taskList: 'Task List',
+      taskListTitle: 'Import Task List',
+      action: 'Action',
+      select: 'Select',
+      fetchTaskListFailed: 'Failed to fetch task list',
+      noTasks: 'No import tasks',
+      clearTasks: 'Clear Tasks',
+      clearTasksConfirmTitle: 'Confirm Clear',
+      clearTasksConfirmContent: 'Are you sure you want to clear all import task records? This action cannot be undone.',
+      confirm: 'Confirm',
+      cancel: 'Cancel',
+      clearTasksSuccess: 'Task list cleared',
+      clearTasksFailed: 'Failed to clear task list'
+    }
   }
 };