test: page 2 now has next link (not last page at 20/page)

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

tests/test_theme_registry.py

@@ -343,7 +343,9 @@ def test_trade_pro_listing_layout_structure(factory):
     prev = nav2.select_one('a[rel="prev"]')
     assert prev is not None and prev.get('href', '').endswith('/categories/pumps/')
     assert prev.select_one('svg') is not None
-    assert nav2.select_one('a[rel="next"]') is None
+    # 20/页时第 2 页不是末页（105 条 → 6 页），存在下一页链接
+    nxt2 = nav2.select_one('a[rel="next"]')
+    assert nxt2 is not None and nxt2.get('href', '').endswith('/categories/pumps/page/3/')
     assert nav2.select_one('.sf-tp-page-num.is-active').get_text(strip=True) == '2'
     # 页码链接回根路由（第 1 页 = 栏目根，与 cms Pagination 一致）
     assert nav2.select_one('a.sf-tp-page-num[href$="/categories/pumps/"]')