fix(widgets): restore article list rendering and reference styles

tests/widget-system/run.php

@@ -18,6 +18,12 @@ use AKSRT\WidgetSystem\Renderers\ContentRenderer;
 use AKSRT\WidgetSystem\Renderers\GeneralRenderer;
 use AKSRT\WidgetSystem\Renderers\SliderRenderer;
 
+if (!function_exists('current_datetime')) {
+	function current_datetime(): DateTimeImmutable {
+		return new DateTimeImmutable('2026-06-15 12:30:00', new DateTimeZone('Asia/Shanghai'));
+	}
+}
+
 final class WidgetSystemTest {
 	private int $assertions = 0;
 	private array $failures = [];
@@ -105,15 +111,24 @@ final class WidgetSystemTest {
 			'count' => 6, 'cat' => '1, -2，3 bad',
 			'orderby' => 'views', 'order' => 'DESC', 'limit_day' => 7, 'paginate' => '',
 		], 3);
-		$this->same([1, 3], $reference['category__in'], 'reference cat includes positive IDs');
-		$this->same([2], $reference['category__not_in'], 'reference cat excludes negative IDs');
+		$this->same('1,-2,3', $reference['cat'], 'reference cat preserves cleaned signed IDs for WP_Query descendant semantics');
+		$this->false(isset($reference['category__in']) || isset($reference['category__not_in']), 'reference cat does not narrow matches to direct categories');
 		$this->false(isset($reference['tax_query']), 'topic filters are removed with the topics feature');
 		$this->same('aksrt_post_views', $reference['meta_key'], 'reference view ordering uses numeric view meta');
 		$this->false(isset($reference['meta_query']), 'modern reference queries do not apply commerce filters by default');
 		$this->same(1, $reference['paged'], 'no-pagination queries stay on first page');
+		$this->same('2026-06-08 12:30:00', $reference['date_query'][0]['after'], 'limit_day subtracts days in the WordPress site timezone');
+		$this->same('2026-06-15 12:30:00', $reference['date_query'][0]['before'], 'limit_day uses local WordPress time without a second offset conversion');
+		$generic_categories = PostQuery::arguments(['category_ids' => '2,5', 'category_id' => 9], 1);
+		$this->same([9], $generic_categories['category__in'], 'generic category_id continues to override category_ids');
+		$this->false(isset($generic_categories['cat']), 'generic categories do not switch to modern cat syntax');
 		$paywalled = PostQuery::arguments(['cat' => '1', 'zibpay_type' => ['1', '6'], 'paginate' => ''], 1, ['cat' => '1']);
 		$this->contains('reading', json_encode($paywalled['meta_query'] ?? []), 'tab commerce filters map to pay meta');
 		$this->contains('video', json_encode($paywalled['meta_query'] ?? []), 'tab commerce filters cover every selected type');
+		$top_level_paywall = PostQuery::arguments(['cat' => '1', 'zibpay_type' => ['2'], 'paginate' => 'ajax'], 1);
+		$this->contains('download', json_encode($top_level_paywall['meta_query'] ?? []), 'top-level reference commerce filters map to pay meta');
+		$generic_paywall = PostQuery::arguments(['category_ids' => '1', 'pay_type' => 'gallery'], 1);
+		$this->contains('gallery', json_encode($generic_paywall['meta_query'] ?? []), 'generic widget pay_type behavior remains available');
 		$invalid = PostQuery::arguments(['cat' => '', 'orderby' => 'drop table'], 1, ['cat' => '']);
 		$this->false(isset($invalid['meta_query']), 'modern reference fields never add commerce filters');
 		$this->same('date', $invalid['orderby'], 'unknown orderby falls back');
@@ -298,7 +313,7 @@ final class WidgetSystemTest {
 		$error = $controller->get_items(new WP_REST_Request(['widget' => 'posts', 'instance' => 'aksrt_widget_posts-1', 'page' => 1]));
 		$this->error('aksrt_widget_instance_not_registered', $error, 'REST requires an assigned instance');
 		$GLOBALS['aksrt_test_state']['sidebars'] = ['home_top_content' => ['aksrt_widget_posts-1']];
-		update_option('widget_aksrt_widget_posts', [1 => ['title' => 'Saved only', 'count' => 2, 'style' => 'list'], '_multiwidget' => 1]);
+		update_option('widget_aksrt_widget_posts', [1 => ['title' => 'Saved only', 'count' => 2, 'style' => 'list', 'paginate' => 'ajax'], '_multiwidget' => 1]);
 		$response = $controller->get_items(new WP_REST_Request(['widget' => 'posts', 'instance' => 'aksrt_widget_posts-1', 'page' => 2, 'segment' => '']));
 		$this->true($response instanceof WP_REST_Response, 'registered instance returns REST response');
 		$data = $response->get_data();
@@ -306,6 +321,8 @@ final class WidgetSystemTest {
 		$this->same(2, $data['page'], 'REST page reaches saved-query pipeline');
 		$this->contains('暂无内容', $data['html'], 'REST returns deterministic empty state');
 		$this->same(4, end($GLOBALS['aksrt_test_state']['query_args'])['posts_per_page'], 'REST reloads saved normalized configuration');
+		$response = $controller->get_items(new WP_REST_Request(['widget' => 'posts', 'instance' => 'aksrt_widget_posts-1', 'page' => 1, 'rest_route' => '/aksrt/v1/widgets/posts/items']));
+		$this->true($response instanceof WP_REST_Response, 'plain permalink transport parameter is accepted');
 		$error = $controller->get_items(new WP_REST_Request(['widget' => 'posts', 'instance' => 'aksrt_widget_hot_posts-1', 'page' => 1]));
 		$this->error('aksrt_widget_invalid_instance', $error, 'REST binds instance ID to requested widget');
 	}