feat: 完善模块引导与学习进度体验

统一引导提示的持久化控制，补充学习进度入口与模块资源，避免用户返回页面时重复触发提示。

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/views/film/midterm-shooting/on-site/slow-shutter-night.vue

@@ -12,14 +12,14 @@ const handleBack = () => {
 }
 
 // 慢门拍摄夜晚视频 URL（暂时用其他视频代替）
-const slowShutterNightVideoUrl = getPublicPath('video/on-site/dygmk_mmps_batch.mp4')
+const slowShutterNightVideoUrl = getPublicPath('video/film/on-site/dygmk_mmps_batch.mp4')
 
 // 视频播放状态
 const videoPlaying = ref(false)
 </script>
 
 <template>
-  <div class="relative w-full h-full flex items-center justify-center overflow-hidden">
+  <div class="relative w-full h-full overflow-hidden">
     <!-- 背景 -->
     <div
       class="absolute inset-0 bg-cover bg-center bg-no-repeat -z-10"
@@ -27,7 +27,7 @@ const videoPlaying = ref(false)
     ></div>
 
     <!-- 视频播放区域 -->
-    <div class="w-full h-full bg-black/40 backdrop-blur-md rounded-3xl border border-white/20">
+    <div class="w-full h-full">
       <Video
         class="w-full h-full"
         :src="slowShutterNightVideoUrl"