feat: 完善课程学习与技能树体验

完善课程资源、学习进度与技能树解锁体验，统一视频播放与引导相关交互。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/views/interview/after-editing/sound-effect/index.vue

@@ -3,7 +3,7 @@ import { ref } from 'vue'
 import { useRouter } from 'vue-router'
 import { ImgButton } from '@/components/Button'
 import { Video } from '@/components'
-import { IMAGE_PATHS, getPublicPath } from '@/utils'
+import { IMAGE_PATHS, getPublicPath, getVideoPoster } from '@/utils'
 
 const router = useRouter()
 const playing = ref(false)
@@ -17,7 +17,12 @@ const handleBack = () => {
   <div class="relative w-full h-full overflow-hidden bg-black">
     <Video
       class="w-full h-full"
-      :src="getPublicPath('video/editing/yingxiao_batch.mp4')"
+      :src="getPublicPath('video/interview/editing/ftmk_yx_batch.mp4')"
+      :poster="
+        getVideoPoster(
+          getPublicPath('video/interview/editing/ftmk_yx_batch.mp4'),
+        )
+      "
       v-model="playing"
       :muted="false"
       :volume="1"