fix(tree): move treeitem role to focusable row + aria-current

apps/client/src/features/page/tree/components/doc-tree-row.tsx

@@ -294,10 +294,20 @@ function DocTreeRowInner<T extends object>(props: Props<T>) {
     return null;
   })();
 
-  // The <li role="treeitem"> wrapper and recursion are owned by DocTree's
-  // virtualizer now; this component renders only the row's body. ARIA state
-  // (aria-expanded, aria-selected, aria-level) is set on the <li> itself —
-  // the inner interactive element doesn't carry it.
+  // Treeitem semantics ride on the row's focusable element (the consumer's
+  // <a>). The outer <li> is presentational layout. aria-label uses the row's
+  // label so the SR's accessible name is just the page title, not the
+  // concatenation of inner action-button aria-labels.
+  const treeItemProps = {
+    role: 'treeitem' as const,
+    'aria-level': level + 1,
+    'aria-expanded': hasChildren ? isOpen : undefined,
+    'aria-selected': isSelected ? (true as const) : undefined,
+    'aria-current': isSelected ? ('page' as const) : undefined,
+    'aria-label': getDragLabel(node),
+    'data-row-id': node.id,
+  };
+
   return (
     <div
       className={styles.rowWrapper}
@@ -325,6 +335,7 @@ function DocTreeRowInner<T extends object>(props: Props<T>) {
           isReceivingDrop: receivingDrop,
           rowRef,
           tabIndex: activeId === node.id ? 0 : -1,
+          treeItemProps,
           toggleOpen,
         })}
       </div>

apps/client/src/features/page/tree/components/doc-tree.tsx

@@ -30,6 +30,20 @@ export type RenderRowProps<T extends object> = {
   // active row); every other row gets tabIndex={-1}. Consumers must spread
   // this onto the same element they wire rowRef to.
   tabIndex: 0 | -1;
+  // Treeitem semantics for the row's focusable element. Consumers MUST spread
+  // these onto the same element rowRef points at, so the focused element IS
+  // the treeitem. This makes screen readers announce "treeitem" (not "link")
+  // and replaces the descendant-text accname with the row's label, so action
+  // button labels inside the row don't get concatenated.
+  treeItemProps: {
+    role: 'treeitem';
+    'aria-level': number;
+    'aria-expanded'?: boolean;
+    'aria-selected'?: true;
+    'aria-current'?: 'page';
+    'aria-label': string;
+    'data-row-id': string;
+  };
   toggleOpen: () => void;
 };
 
@@ -480,23 +494,13 @@ function DocTreeInner<T extends object>(
       >
         {virtualItems.map((virtualItem) => {
           const row = flat[virtualItem.index];
-          // aria-expanded belongs on the treeitem itself per the WAI-ARIA
-          // pattern. Omitted entirely for leaf rows so screen readers don't
-          // announce expand state for nodes that have no children.
-          const nodeHasChildren =
-            (row.node.children && row.node.children.length > 0) ||
-            (row.node as { hasChildren?: boolean }).hasChildren === true;
-          const ariaExpanded = nodeHasChildren
-            ? openIds.has(row.node.id)
-            : undefined;
           return (
             <li
               key={row.node.id}
-              role="treeitem"
-              aria-level={row.level + 1}
-              aria-expanded={ariaExpanded}
-              aria-selected={row.node.id === selectedId ? true : undefined}
-              data-row-id={row.node.id}
+              // role="none" — the treeitem role lives on the focusable child
+              // (the row's <a>), so screen readers announce "treeitem" on
+              // navigation. The <li> is just layout glue.
+              role="none"
               style={{
                 position: 'absolute',
                 top: 0,

apps/client/src/features/page/tree/components/space-tree-row.tsx

@@ -43,6 +43,7 @@ export function SpaceTreeRow({
   toggleOpen,
   rowRef,
   tabIndex,
+  treeItemProps,
   readOnly,
 }: SpaceTreeRowProps) {
   const { t } = useTranslation();
@@ -141,6 +142,7 @@ export function SpaceTreeRow({
       to={pageUrl}
       className={classes.node}
       tabIndex={tabIndex}
+      {...treeItemProps}
       onClick={() => {
         if (mobileSidebarOpened) {
           toggleMobileSidebar();

apps/client/src/features/share/components/shared-tree.tsx

@@ -117,6 +117,7 @@ function SharedTreeRow({
   isSelected,
   rowRef,
   tabIndex,
+  treeItemProps,
   toggleOpen,
 }: RenderRowProps<SharedPageTreeNode>) {
   const { shareId } = useParams();
@@ -133,6 +134,7 @@ function SharedTreeRow({
     <Box
       ref={rowRef as React.Ref<HTMLAnchorElement>}
       tabIndex={tabIndex}
+      {...treeItemProps}
       data-selected={isSelected || undefined}
       className={clsx(classes.node, styles.treeNode)}
       component={Link}