feat: RBAC page reads cmd-k navigation state for tab switch and highlight

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

ui/src/pages/Admin/GroupsTab.tsx

@@ -1,4 +1,4 @@
-import { useState, useMemo } from 'react';
+import { useState, useMemo, useEffect } from 'react';
 import {
   Avatar,
   Badge,
@@ -35,7 +35,7 @@ import styles from './UserManagement.module.css';
 
 const BUILTIN_ADMINS_ID = '00000000-0000-0000-0000-000000000010';
 
-export default function GroupsTab() {
+export default function GroupsTab({ highlightId, onHighlightConsumed }: { highlightId?: string | null; onHighlightConsumed?: () => void }) {
   const { toast } = useToast();
   const { data: groups = [], isLoading: groupsLoading } = useGroups();
   const { data: users = [] } = useUsers();
@@ -47,6 +47,17 @@ export default function GroupsTab() {
   const [deleteTarget, setDeleteTarget] = useState<GroupDetail | null>(null);
   const [removeRoleTarget, setRemoveRoleTarget] = useState<string | null>(null);
 
+  // Auto-select highlighted item from cmd-k navigation
+  useEffect(() => {
+    if (highlightId && groups) {
+      const match = groups.find((g) => g.id === highlightId);
+      if (match) {
+        setSelectedId(match.id);
+        onHighlightConsumed?.();
+      }
+    }
+  }, [highlightId, groups]); // eslint-disable-line react-hooks/exhaustive-deps
+
   // Create form state
   const [newName, setNewName] = useState('');
   const [newParent, setNewParent] = useState('');