Merge pull request '失效图片保持容器宽度和下载入口' (#34) from codex/image-preview-error-width-20261104 into main

components/image-preview.tsx

@@ -309,6 +309,7 @@ export function ImagePreview({
           decoding="async"
           onLoad={(event) => {
             event.currentTarget.style.aspectRatio = "";
+            event.currentTarget.parentElement?.style.removeProperty("width");
             event.currentTarget.alt = "Generated Image";
           }}
           onError={(event) => {
@@ -316,6 +317,7 @@ export function ImagePreview({
               event.currentTarget.src = thumbnail || original;
             } else if (!compactGrid) {
               event.currentTarget.style.aspectRatio = "1";
+              event.currentTarget.parentElement?.style.setProperty("width", "100%");
               event.currentTarget.alt = "预览暂不可用，可尝试下载原图";
             }
           }}