fix(admin): 转码媒资 id 按字符串传递并处理空态

src/views/contentManagement/upload/EpisodeTranscodePanel.vue

@@ -24,7 +24,7 @@ import {
 } from './episodeTranscodeUi'
 
 const props = defineProps<{
-  episodeId: number
+  episodeId: string | number
   active: boolean
 }>()
 
@@ -45,8 +45,8 @@ let pollTimer: ReturnType<typeof setTimeout> | null = null
 let requestSeq = 0
 let thumbnailSeq = 0
 
-const mediaAssetId = computed(() => Number(detail.value?.mediaAssetId || 0))
-const hasMedia = computed(() => mediaAssetId.value > 0)
+const mediaAssetId = computed(() => detail.value?.mediaAssetId || '')
+const hasMedia = computed(() => /^[1-9]\d*$/.test(mediaAssetId.value))
 const normalizedStatus = computed(() => String(detail.value?.status || '').toUpperCase())
 const renditions = computed(() => detail.value?.renditions || [])
 const isProcessing = computed(

src/views/contentManagement/upload/EpisodeTranscodeStatusPanel.vue

@@ -47,7 +47,7 @@ const { t } = useI18n()
   </div>
   <el-empty
     v-else-if="detail && !view.hasMedia"
-    :description="t('episodeTranscode.noMedia')"
+    :description="detail.errorMsg || t('episodeTranscode.noMedia')"
     :image-size="72"
   />
   <template v-else-if="detail">