提交H5业务闭环修复代码

src/usecases/explainUseCase.ts

@@ -52,14 +52,14 @@ export class ExplainUseCase {
   ) {}
 
   private applyTrackAudioState(exhibit: MuseumExhibit, track?: ExplainTrack | null): MuseumExhibit {
-    const hasExhibitAudio = exhibit.audioAvailable === true || Boolean(exhibit.audioUrl)
-    const hasTrackAudio = track?.available === true
+    const hasPlayableAudioUrl = Boolean(exhibit.audioUrl?.trim())
+    const hasTrackTarget = Boolean(track?.playTargetType || track?.playTargetId)
 
-    if (!hasExhibitAudio && !hasTrackAudio) return exhibit
+    if (!hasPlayableAudioUrl && !hasTrackTarget) return exhibit
 
     return {
       ...exhibit,
-      audioAvailable: true,
+      audioAvailable: hasPlayableAudioUrl,
       playTargetType: track?.playTargetType || exhibit.playTargetType,
       playTargetId: track?.playTargetId || exhibit.playTargetId
     }