feat(forum): frontend 1:1 list/tabs/urls/enqueue

Wire Zibll-style board sort tabs, shared topic rows, page-template
URLs, forum asset enqueue on home/plate, home synthesis load-more,
and topic last_reply meta for last-reply ordering. No dual-read.

inc/classes/forum/board-service-traits/trait-aksrt-forum-board-service-part-2.php

@@ -9,10 +9,46 @@ trait AKSRT_Forum_Board_Service_Part_2 {
      */
     public function get_board_view(int $board_id, array $args = []): array {
         $user_id = (int) ($args['user_id'] ?? get_current_user_id());
-        $page = max(1, (int) ($args['paged'] ?? 1));
+        $page = max(1, (int) ($args['paged'] ?? $args['page'] ?? 1));
+        $orderby = sanitize_key((string) ($args['orderby'] ?? $args['sort'] ?? ''));
+
+        $board_page = class_exists('AKSRT_Settings')
+            ? (AKSRT_Settings::get_forum_settings()['board_page'] ?? [])
+            : [];
+        $tabs = is_array($board_page['tabs'] ?? null) ? $board_page['tabs'] : [
+            ['label' => '全部', 'sort' => 'date'],
+            ['label' => '推荐', 'sort' => 'featured'],
+            ['label' => '最新回复', 'sort' => 'last_reply'],
+            ['label' => '热门', 'sort' => 'hot'],
+            ['label' => '精华', 'sort' => 'essence'],
+        ];
+        $allowed_sorts = [];
+        foreach ($tabs as $tab) {
+            $sort = sanitize_key((string) ($tab['sort'] ?? ''));
+            if ($sort !== '') {
+                $allowed_sorts[] = $sort;
+            }
+        }
+        if ($orderby === '' || !in_array($orderby, $allowed_sorts, true)) {
+            $active_index = max(0, (int) ($board_page['tab_active_index'] ?? 0));
+            $orderby = sanitize_key((string) ($tabs[$active_index]['sort'] ?? 'date'));
+            if ($orderby === '') {
+                $orderby = 'date';
+            }
+        }
+
+        $compose_url = function_exists('aksrt_get_forum_compose_url')
+            ? aksrt_get_forum_compose_url(['board' => $board_id])
+            : home_url('/');
+        $top_info = !isset($board_page['top_info']) || !empty($board_page['top_info']);
 
         if ($this->forum->is_plate_cpt_active()) {
-            return $this->get_plate_view_compat($board_id, $user_id, $page);
+            $view = $this->get_plate_view_compat($board_id, $user_id, $page, $orderby);
+            $view['tabs'] = $tabs;
+            $view['active_sort'] = $orderby;
+            $view['top_info'] = $top_info;
+            $view['compose_url'] = $compose_url;
+            return $view;
         }
 
         $board = get_term($board_id, 'aksrt_forum_board');
@@ -27,6 +63,10 @@ trait AKSRT_Forum_Board_Service_Part_2 {
                 'permissions' => [],
                 'application' => null,
                 'board_options' => [],
+                'tabs' => $tabs,
+                'active_sort' => $orderby,
+                'top_info' => $top_info,
+                'compose_url' => function_exists('aksrt_get_forum_compose_url') ? aksrt_get_forum_compose_url() : home_url('/'),
             ];
         }
 
@@ -36,6 +76,7 @@ trait AKSRT_Forum_Board_Service_Part_2 {
             'limit' => 20,
             'status' => 'publish',
             'viewer_user_id' => $user_id,
+            'orderby' => $orderby,
         ]);
 
         $sticky_topics = $this->forum->get_sticky_topics_for_board($board_id);
@@ -75,13 +116,17 @@ trait AKSRT_Forum_Board_Service_Part_2 {
             ],
             'application' => $user_id > 0 ? $this->forum->get_board_application_for_user($user_id, $board_id) : null,
             'board_options' => $this->get_boards(),
+            'tabs' => $tabs,
+            'active_sort' => $orderby,
+            'top_info' => $top_info,
+            'compose_url' => $compose_url,
         ];
     }
 
     /**
      * Plate CPT board view (backwards-compatible with get_board_view return shape).
      */
-    private function get_plate_view_compat(int $plate_id, int $user_id, int $page): array {
+    private function get_plate_view_compat(int $plate_id, int $user_id, int $page, string $orderby = 'date'): array {
         $plate = $this->get_plate($plate_id);
         if (!$plate) {
             return [
@@ -123,6 +168,7 @@ trait AKSRT_Forum_Board_Service_Part_2 {
             'limit' => 20,
             'status' => 'publish',
             'viewer_user_id' => $user_id,
+            'orderby' => $orderby,
         ]);
 
         $sticky_topics = $this->get_sticky_topics_for_plate($plate_id);