cleanup

frontend/src/preview/DocumentViewerPanel.tsx

@@ -39,6 +39,11 @@ interface DocumentLike {
     version_number?: number;
     version?: { content_type?: string | null } | null;
   } | null;
+  previewEntry?: {
+    url: string;
+    alt?: string;
+    contentType?: string | null;
+  } | null;
   [key: string]: unknown;
 }
 
@@ -53,10 +58,8 @@ interface DocumentViewerPanelProps extends DocumentSummarySectionProps {
   document: DocumentLike | null;
   previewEntry?: {
     url?: string;
-    canGoPrev?: boolean;
-    canGoNext?: boolean;
-    goPrev?: () => void;
-    goNext?: () => void;
+    contentType?: string | null;
+    filename?: string | null;
   } | null;
   hydrateDocument?: (doc: DocumentLike | null) => DocumentLike | null;
   ensureAssetUrl?: (docId: string | number, asset: AssetLike, options?: { start?: number; limit?: number }) => Promise<unknown>;
@@ -490,10 +493,16 @@ const DocumentViewerPanel: React.FC<DocumentViewerPanelProps> = ({
     document?.title || 'Document preview'
   );
 
+  const overlayDocument = useMemo(() => (
+    document && zoomDisplay?.url
+      ? { ...document, previewEntry: zoomDisplay }
+      : document
+  ), [document, zoomDisplay]);
+
   const overlay = (
     <PreviewZoomOverlay
       open={Boolean(zoomOverlayOpen && zoomDisplay)}
-      display={zoomDisplay}
+      document={overlayDocument}
       onClose={handleZoomClose}
     />
   );