feat(homepage): consume Zibll homepage keys on frontend queries

Point homepage getters and tab queries at home_lists / home_exclude_* /
index_list_title / list1 orderby. Support category+topics tab terms via
tax_query, expand the homepage term picker API, and keep facade method
names for existing templates without dual-writing storage keys.

inc/helpers/aksrt-homepage.php

@@ -97,10 +97,13 @@ if (!function_exists('aksrt_homepage_get_tab_terms')) {
 				continue;
 			}
 
-			$term = get_term($tab['term_id'], 'category');
+			$term = get_term($tab['term_id']);
 			if (!$term || is_wp_error($term)) {
 				continue;
 			}
+			if (!in_array($term->taxonomy, ['category', 'topics'], true)) {
+				continue;
+			}
 
 			$configs[] = [
 				'term'    => $term,
@@ -436,6 +439,12 @@ if (!function_exists('aksrt_homepage_get_tab_query')) {
 			return $queries[$cache_key];
 		}
 
+		$term = get_term($term_id);
+		$taxonomy = ($term && !is_wp_error($term)) ? (string) $term->taxonomy : 'category';
+		if (!in_array($taxonomy, ['category', 'topics'], true)) {
+			$taxonomy = 'category';
+		}
+
 		$query_args = [
 			'post_type'           => aksrt_homepage_get_post_types(),
 			'post_status'         => 'publish',
@@ -445,8 +454,14 @@ if (!function_exists('aksrt_homepage_get_tab_query')) {
 			'ignore_sticky_posts' => true,
 			'orderby'             => 'date',
 			'order'               => 'DESC',
-			'cat'                 => $term_id,
 			'no_found_rows'       => true,
+			'tax_query'           => [
+				[
+					'taxonomy' => $taxonomy,
+					'field'    => 'term_id',
+					'terms'    => [$term_id],
+				],
+			],
 		];
 
 		$exclude_ids = class_exists('AKSRT_Settings')