feat: 支持讲解详情页粤语语音切换

src/config/dataSource.ts

@@ -1,5 +1,6 @@
 export type DataSourceMode = 'static' | 'api' | 'sdk'
 export type GuideContentDataSourceMode = 'static' | 'remote' | 'mock'
+export type ConfiguredAudioLanguage = 'zh-CN' | 'yue-HK' | 'en-US'
 
 const allowedModes = new Set<DataSourceMode>(['static', 'api', 'sdk'])
 const allowedGuideContentModes = new Set<GuideContentDataSourceMode>(['static', 'remote', 'mock'])
@@ -27,6 +28,11 @@ const normalizeGuideContentMode = (mode: string | undefined): GuideContentDataSo
   return 'static'
 }
 
+const normalizeAudioLanguage = (language: string | undefined): ConfiguredAudioLanguage => {
+  if (language === 'en-US' || language === 'yue-HK') return language
+  return 'zh-CN'
+}
+
 const normalizeBoolean = (value: string | undefined) => (
   ['1', 'true', 'yes', 'on'].includes(value?.trim().toLowerCase() || '')
 )
@@ -74,7 +80,7 @@ export const dataSourceConfig = {
     defaultAudioApiBaseUrl
   ),
   apiBaseUrl: normalizeUrl(import.meta.env.VITE_API_BASE_URL, defaultApiBaseUrl),
-  audioLanguage: import.meta.env.VITE_AUDIO_LANGUAGE === 'en-US' ? 'en-US' : 'zh-CN',
+  audioLanguage: normalizeAudioLanguage(import.meta.env.VITE_AUDIO_LANGUAGE),
   sgsApiBaseUrl: normalizeUrl(
     import.meta.env.VITE_SGS_API_BASE_URL || import.meta.env.VITE_API_BASE_URL,
     defaultApiBaseUrl