fix(widgets): align tabbed post layouts with reference

tests/widget-system/page-display-contract.test.cjs

@@ -300,8 +300,9 @@ test('header multifunction search keeps focus and submit alignment route-indepen
 
 test('user profile and author widgets render the reference user-card contract', () => {
   assert.match(frontendRenderer, /in_array\(\$definition->slug\(\), \['user_card', 'author_card'\], true\)/)
-  assert.match(frontendRenderer, /self::render_user_widget\(\$definition, \$instance, \$widget, \$content\)/)
-  assert.match(frontendRenderer, /\$classes = \['zib-widget-wrap', 'aksrt-user-widget-wrap'/)
+  assert.match(frontendRenderer, /self::render_reference_widget\(\$definition, \$instance, \$widget, \$content\)/)
+  assert.match(frontendRenderer, /\$classes = \['zib-widget-wrap', 'aksrt-'/)
+  assert.match(frontendRenderer, /\$classes\[\] = 'aksrt-user-widget-wrap'/)
   assert.match(frontendRenderer, /echo '<div class="widget-container"><div>';/)
   assert.match(frontendRenderer, /\$content_classes = \['widget-content'\]/)
   // 登录卡片与 reference zib_get_user_card_box 同构：封面、头像框、名字行、统计徽章、简介、按钮。