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/App.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="app-container" :style="containerStyle">
-    <div class="app-content" :style="scaleStyle">
+    <div class="app-content overflow-hidden" :style="scaleStyle">
       <router-view v-slot="{ Component }">
         <KeepAlive :include="['Action', 'Skill']">
           <component :is="Component" />