修复粤语音频重复提示

src/pages/exhibit/detail.vue

@@ -106,9 +106,6 @@
               </text>
             </template>
             <text v-if="currentDetailTextLoading" class="section-hint">{{ detailLoadingMessage }}</text>
-            <text v-else-if="audioAvailabilityMessage" class="section-hint audio-status-hint">
-              {{ audioAvailabilityMessage }}
-            </text>
           </view>
         </view>
       </scroll-view>

tests/unit/ExhibitDetailAudioFirst.spec.ts

@@ -144,4 +144,26 @@ describe('讲解详情音频优先布局', () => {
       language: 'en-US'
     }), expect.objectContaining({ displayMode: 'mini' }))
   })
+
+  it('音频不可用时只在音频控制区显示一次提示', async () => {
+    mocks.enterExplainDetail.mockResolvedValue({
+      ...exhibit,
+      audioUrl: undefined,
+      audioDuration: undefined,
+      audioStatus: 'MISSING',
+      audioLanguage: 'yue-HK',
+      audioUnavailableReason: '当前语言暂无语音讲解。'
+    })
+
+    const wrapper = mount(ExhibitDetail, {
+      global: { stubs: { GuidePageFrame: GuidePageFrameStub } }
+    })
+
+    await mocks.onLoadHandler?.({ id: exhibit.id, lang: 'yue-HK', targetType: 'STOP', targetId: 'stop-1' })
+    await flushPromises()
+
+    expect(wrapper.find('.detail-audio-unavailable').text()).toBe('当前语言暂无语音讲解。')
+    expect(wrapper.find('.audio-status-hint').exists()).toBe(false)
+    expect(wrapper.findAll('.section-hint')).toHaveLength(0)
+  })
 })