fix: added missing i18n labels

src/i18n/messages/en_us.ts

@@ -539,6 +539,8 @@ export const enUsMessages: TranslationMessages = {
   'track.controls.automation.pan': 'Pan',
   'track.controls.moreActions': 'More actions',
   'track.controls.settings.deleteTrack': 'Delete Track',
+  'track.controls.settings.deleteTrackConfirm': 'Are you sure you want to delete track "{name}"?',
+  'track.controls.settings.deleteTrackError': 'Failed to delete track. Please try again.',
   'toolbar.keySignatureChooser': 'Choose key signature, current {value}',
   'toolbar.export.label': 'Export',
   'toolbar.importProject.title': 'Import Project',

src/i18n/messages/fr_fr.ts

@@ -423,6 +423,8 @@ export const frFrMessages: TranslationMessages = {
   'track.controls.automation.pan': 'Panoramique',
   'track.controls.moreActions': 'Autres actions',
   'track.controls.settings.deleteTrack': 'Supprimer la piste',
+  'track.controls.settings.deleteTrackConfirm': 'Voulez-vous vraiment supprimer la piste « {name} » ?',
+  'track.controls.settings.deleteTrackError': 'Impossible de supprimer la piste. Veuillez réessayer.',
   'toolbar.keySignatureChooser': 'Choisir l\'armure, actuelle : {value}',
   'toolbar.export.label': 'Exporter',
   'toolbar.importProject.title': 'Importer un projet',

src/i18n/messages/zh_cn.ts

@@ -537,6 +537,8 @@ export const zhCnMessages: TranslationMessages = {
   'track.controls.automation.pan': '声像',
   'track.controls.moreActions': '更多操作',
   'track.controls.settings.deleteTrack': '删除轨道',
+  'track.controls.settings.deleteTrackConfirm': '确定要删除轨道“{name}”吗？',
+  'track.controls.settings.deleteTrackError': '删除轨道失败。请重试。',
   'toolbar.keySignatureChooser': '选择调号，当前为 {value}',
   'toolbar.export.label': '导出',
   'toolbar.importProject.title': '导入项目',

src/i18n/messages/zh_hk.ts

@@ -537,6 +537,8 @@ export const zhHkMessages: TranslationMessages = {
   'track.controls.automation.pan': '聲像',
   'track.controls.moreActions': '更多操作',
   'track.controls.settings.deleteTrack': '刪除音軌',
+  'track.controls.settings.deleteTrackConfirm': '確定要刪除音軌「{name}」嗎？',
+  'track.controls.settings.deleteTrackError': '刪除音軌失敗。請再試一次。',
   'toolbar.keySignatureChooser': '選擇調號，當前為 {value}',
   'toolbar.export.label': '匯出',
   'toolbar.importProject.title': '匯入專案',