fix: let mantine-datatable manage row expansion state internally

apps/docs/docs/widgets/downloads/index.mdx

@@ -25,6 +25,21 @@ import { downloadsWidget } from '.';
 
 This widget displays a list of torrents or usenet-articles that are currently being downloaded, along with their progress and other relevant information. It supports 7 download client integrations and provides a rich, responsive table interface.
 
+### Screenshots
+
+import downloadsCard from './img/screenshot.png';
+import contextMenuImg from './img/context-menu.png';
+
+<div>
+    <img src={downloadsCard} alt="Downloads widget showing torrent and usenet items" width={128 * 4} />
+</div>
+
+#### Right-click context menu
+
+<div>
+    <img src={contextMenuImg} alt="Downloads widget context menu with pause, delete, and copy actions" width={128 * 4} />
+</div>
+
 ### Features
 
 - **Responsive table** — columns automatically adapt to widget width, hiding less important columns at smaller sizes

packages/widgets/src/downloads/component.tsx

@@ -111,7 +111,6 @@ export default function DownloadClientsWidget({
 
   const [clientFilter, setClientFilter] = useState<string[]>([]);
   const [statusFilter, setStatusFilter] = useState<string[]>([]);
-  const [expandedIds, setExpandedIds] = useState<string[]>([]);
   const [contextMenu, setContextMenu] = useState<ContextMenuState | null>(null);
 
   const utils = clientApi.useUtils();
@@ -454,7 +453,6 @@ export default function DownloadClientsWidget({
           onRowContextMenu={isEditMode ? undefined : handleContextMenu}
           rowExpansion={{
             allowMultiple: true,
-            expanded: { recordIds: expandedIds, onRecordIdsChange: setExpandedIds },
             content: ({ record }) => <ExpandedRow item={record} />,
           }}
         />