refactor: rename Subtitles prop videoUrl to subtitleUrl

src/components/Subtitles.vue

@@ -9,14 +9,14 @@ interface SubCue {
 
 const props = defineProps<{
   currentTime: number
-  videoUrl: string | null
+  subtitleUrl: string | null
 }>()
 
 const cues = ref<SubCue[]>([])
 const currentText = ref('')
 const loadedUrl = ref('')
 
-watch(() => props.videoUrl, async (url) => {
+watch(() => props.subtitleUrl, async (url) => {
   if (!url || url === loadedUrl.value) return
   loadedUrl.value = url
   try {