detailspanel, selection handling, single document details panel

frontend/src/app/AppLayout.jsx

@@ -4358,17 +4358,12 @@ const AppLayout = () => {
 
   const {
     detailPanelOpen,
-    detailPanelSelectedDocuments,
+    detailPanelDocument,
     openDetailPanel,
     closeDetailPanel,
   } = useDetailPanel({
-    selectedDocumentIds,
     documentLookup,
     orderedSelectedDocuments,
-    selectionOrder,
-    documentsViewMode,
-    getRowId,
-    isDocumentRowKey,
   });
 
   detailPanelControlRef.current = {
@@ -4900,17 +4895,13 @@ const AppLayout = () => {
 
   const detailPanelProps = useMemo(
     () => ({
-      selectedDocuments: detailPanelSelectedDocuments,
+      document: detailPanelDocument,
       tags,
       tagLookupById,
       onTagAdd: handleTagAdd,
       onTagRemove: handleTagRemove,
       previewEntry: selectedPreviewEntry,
       onOpenPreview: openDocumentPreview,
-      onBulkTagAdd: handleBulkTagAddFromDetail,
-      onBulkTagRemove: handleBulkTagRemoveFromDetail,
-      onBulkCorrespondentAdd: handleBulkCorrespondentAdd,
-      onBulkCorrespondentRemove: handleBulkCorrespondentRemove,
       onPromoteSelection: promoteSelectionOrder,
       activePreviewId,
       onUpdateTitle: handleDocumentTitleUpdate,
@@ -4929,14 +4920,10 @@ const AppLayout = () => {
     [
       activePreviewId,
       correspondents,
-      detailPanelSelectedDocuments,
+      detailPanelDocument,
       ensureAssetUrl,
       ensurePreviewData,
       getDocumentAsset,
-      handleBulkCorrespondentAdd,
-      handleBulkCorrespondentRemove,
-      handleBulkTagAddFromDetail,
-      handleBulkTagRemoveFromDetail,
       handleCorrespondentAdd,
       handleCorrespondentRemove,
       handleDetailPanelClose,