支持缩略图加载，故事项新建调整

src/pages/gallery/components/GridView.tsx

@@ -77,6 +77,16 @@ const GridView: FC<GridViewProps> = ({
     [imageList, onPreview, onDownload, onDelete],
   );
 
+  // 根据视图模式确定图像 URL
+  const getImageUrl = (instanceId: string) => {
+    // 小图模式使用低分辨率图像
+    if (viewMode === 'small') {
+      return `/file/image-low-res/${instanceId}`;
+    }
+    // 其他模式使用原图
+    return `/file/image/${instanceId}`;
+  };
+
   return (
     <div
       className={viewMode === 'small' ? 'small-grid-view' : 'large-grid-view'}
@@ -96,7 +106,7 @@ const GridView: FC<GridViewProps> = ({
             style={{
               width: imageSize.width,
               height: imageSize.height,
-              backgroundImage: `url(/file/image/${item.instanceId})`,
+              backgroundImage: `url(${getImageUrl(item.instanceId)})`,
               backgroundSize: 'cover',
               backgroundPosition: 'center',
               backgroundRepeat: 'no-repeat',