修复: 组件隐藏状态启动不生效+相册显示开关

- body class 改用 {{BODY_CLASSES}} 模板变量替换，修复隐藏状态在启动时未应用
- 相册组件添加显示/隐藏开关

web/settings.html

@@ -334,6 +334,10 @@ input[type="text"]:focus { border-color: var(--input-border-focus); }
 <div class="section">
   <div class="section-label">相册</div>
   <div class="card">
+    <div class="item">
+      <div><div class="item-label">相册展示</div></div>
+      <label class="switch"><input type="checkbox" id="photoCard" checked><span class="track"><span class="thumb"></span></span></label>
+    </div>
     <div class="item">
       <div class="item-desc" id="photoDirDisplay">未选择目录</div>
       <div class="btn-group">
@@ -393,7 +397,7 @@ input[type="text"]:focus { border-color: var(--input-border-focus); }
 <div class="footer">u-desktop v1.0</div>
 
 <script>
-var toggleKeys = ['wallpaper', 'time', 'showSeconds', 'weather', 'zodiacCard', 'knowledgeCard', 'ainewsCard'];
+var toggleKeys = ['wallpaper', 'time', 'showSeconds', 'weather', 'zodiacCard', 'knowledgeCard', 'ainewsCard', 'photoCard'];
 var initDone = false;
 function sendToggle() {
   if (!initDone) return;