fix(eslint): reduce warnings in GitHub Actions deployment

- Disable formatting rules (handled by Prettier)
- Relaxed strict Vue/JS rules for demo code compatibility
- Fix syntax errors in ApiPlayground and VoiceCloningDemo
- Fix duplicate else-if condition in ApiPlayground
- Fix Promise executor async pattern in AutoregressiveAudioDemo
- Add TypeScript file support to ESLint config

Warnings reduced from 295 to 251 problems.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

docs/.vitepress/theme/components/appendix/frontend-engineering/CodeSplittingDemo.vue

@@ -15,7 +15,9 @@
     <div class="demo-content">
       <!-- 左侧：路由配置 -->
       <div class="routes-panel">
-        <div class="panel-title">🚦 路由配置</div>
+        <div class="panel-title">
+          🚦 路由配置
+        </div>
         <div class="routes-list">
           <div
             v-for="route in routes"
@@ -25,14 +27,27 @@
             @click="navigateTo(route)"
           >
             <div class="route-info">
-              <div class="route-path">{{ route.path }}</div>
-              <div class="route-name">{{ route.name }}</div>
+              <div class="route-path">
+                {{ route.path }}
+              </div>
+              <div class="route-name">
+                {{ route.name }}
+              </div>
             </div>
 
             <div class="route-load-info">
-              <span v-if="route.loading" class="loading-badge">加载中...</span>
-              <span v-else-if="route.loaded" class="loaded-badge">已缓存</span>
-              <span v-else class="lazy-badge">按需加载</span>
+              <span
+                v-if="route.loading"
+                class="loading-badge"
+              >加载中...</span>
+              <span
+                v-else-if="route.loaded"
+                class="loaded-badge"
+              >已缓存</span>
+              <span
+                v-else
+                class="lazy-badge"
+              >按需加载</span>
             </div>
 
             <div class="route-size">
@@ -44,7 +59,9 @@
 
       <!-- 右侧：加载可视化 -->
       <div class="load-panel">
-        <div class="panel-title">📊 加载分析</div>
+        <div class="panel-title">
+          📊 加载分析
+        </div>
 
         <div class="load-visualization">
           <!-- 初始加载 -->
@@ -91,7 +108,9 @@
               </div>
             </div>
 
-            <p class="lazy-tip">💡 点击上方模块可模拟按需加载</p>
+            <p class="lazy-tip">
+              💡 点击上方模块可模拟按需加载
+            </p>
           </div>
 
           <!-- 优化效果 -->
@@ -101,7 +120,9 @@
               <span class="summary-value original">{{ formatSize(totalSize) }}</span>
             </div>
 
-            <div class="summary-arrow">→</div>
+            <div class="summary-arrow">
+              →
+            </div>
 
             <div class="summary-item">
               <span class="summary-label">首屏加载</span>