fix(ui): anchor help to headings and document grouped navigation

Verified with the coordinated workspace changes by devkit full run
2026-09-08T225814-186389-0000-3e3ed7cd (all seven phases passed).
This shared UI pass does not mark the individual module reviews complete.

webui/src/features/admin/SystemRolesPanel.tsx

@@ -238,11 +238,12 @@ export default function SystemRolesPanel({
     <>
       <AdminPageLayout
         title="i18n:govoplan-access.system_roles.a9461aa6"
+        titleHelp={<DocumentationHelpLink reference={ACCESS_REFERENCE_DOCUMENTATION} />}
         description="i18n:govoplan-access.instance_wide_role_definitions_system_owner_is_p.a888778d"
         loading={loading}
         error={error}
         success={success}
-        actions={<><DocumentationHelpLink reference={ACCESS_REFERENCE_DOCUMENTATION} /><Button onClick={() => void load()} disabled={loading} disabledReason={loading ? ACCESS_INTERFACE_I18N.loading : undefined}>i18n:govoplan-access.reload.cce71553</Button><AdminIconButton label="i18n:govoplan-access.add_system_role.f9ef262b" icon={<Plus />} variant="primary" onClick={openCreate} disabled={!canWrite} disabledReason={!canWrite ? ACCESS_INTERFACE_I18N.createPermissionRequired : undefined} /></>}>
+        actions={<><Button onClick={() => void load()} disabled={loading} disabledReason={loading ? ACCESS_INTERFACE_I18N.loading : undefined}>i18n:govoplan-access.reload.cce71553</Button><AdminIconButton label="i18n:govoplan-access.add_system_role.f9ef262b" icon={<Plus />} variant="primary" onClick={openCreate} disabled={!canWrite} disabledReason={!canWrite ? ACCESS_INTERFACE_I18N.createPermissionRequired : undefined} /></>}>
         
         <div className="admin-table-surface">
           <DataGrid id="admin-system-role-definitions-v4" rows={roles} columns={columns} initialFit="container" getRowKey={(row) => row.id} emptyText="i18n:govoplan-access.no_system_roles_found.051cf727" />