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>

vite.config.ts

@@ -14,27 +14,28 @@ export default defineConfig(({ mode }) => {
     base: env.VITE_NODE_ENV === 'development' ? '/' : './',
     resolve: {
       alias: {
-        '@': resolve(__dirname, 'src')
-      }
+        '@': resolve(__dirname, 'src'),
+      },
     },
     server: {
-      host: '0.0.0.0'
+      host: '0.0.0.0',
+      port: 8888,
     },
     build: {
       assetsDir: 'assets',
       rollupOptions: {
         output: {
-          assetFileNames: assetInfo => {
+          assetFileNames: (assetInfo) => {
             if (/\.(png|jpe?g|gif|svg|webp)$/i.test(assetInfo.name || '')) {
               return `assets/images/[name]-[hash][extname]`
             }
             return `assets/[name]-[hash][extname]`
-          }
-        }
-      }
+          },
+        },
+      },
     },
     optimizeDeps: {
-      include: ['simple-mind-map']
-    }
+      include: ['simple-mind-map'],
+    },
   }
 })