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>

package.json

@@ -44,6 +44,7 @@
     "tailwindcss": "^3.4.17",
     "typescript": "~5.8.3",
     "typescript-eslint": "^8.43.0",
+    "vconsole": "^3.15.1",
     "vite": "^7.1.2",
     "vue-tsc": "^3.0.5"
   },