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

wallpaper.go

@@ -106,9 +106,14 @@ func buildWallpaperHTML(cfg *Config) string {
 	if cfg.HideKnowledge {
 		bodyClasses = append(bodyClasses, "hide-knowledge")
 	}
+	if cfg.HidePhoto {
+		bodyClasses = append(bodyClasses, "hide-photo")
+	}
 	if len(bodyClasses) > 0 {
 		cls := strings.Join(bodyClasses, " ")
-		html = strings.Replace(html, `layout-`+string(cfg.Layout), `layout-`+string(cfg.Layout)+" "+cls, 1)
+		html = strings.Replace(html, "{{BODY_CLASSES}}", cls, 1)
+	} else {
+		html = strings.Replace(html, " {{BODY_CLASSES}}", "", 1)
 	}
 
 	// 注入自定义文字