fix(orders): route /orders without WP page (404)

Register commerce rewrite aliases and special-template bootstrap so
/orders loads page-orders even when no page is assigned; flush rules.

inc/modules/user-parts/template-registry.php

@@ -106,6 +106,25 @@ $_aksrt_special_templates = [
         'title'    => '个人中心',
         'fallback' => '/profile/',
     ],
+    // Commerce center pages (权益与消费 / 购物车 / 收益)
+    'orders' => [
+        'file'     => 'templates/pages/page-orders.php',
+        'slug'     => 'orders',
+        'title'    => '我的订单',
+        'fallback' => '/orders/',
+    ],
+    'cart' => [
+        'file'     => 'templates/pages/page-cart.php',
+        'slug'     => 'cart',
+        'title'    => '购物车',
+        'fallback' => '/cart/',
+    ],
+    'revenue' => [
+        'file'     => 'templates/pages/page-revenue.php',
+        'slug'     => 'revenue',
+        'title'    => '收益中心',
+        'fallback' => '/revenue/',
+    ],
 ];
 
 /** @var array 缓存 key=模板文件路径 => value=WP_Post|null */
@@ -377,6 +396,21 @@ function aksrt_get_current_special_template_path(): string {
         return $profile_template ?: '';
     }
 
+    if (get_query_var('aksrt_orders')) {
+        $orders_template = aksrt_locate_template_file('templates/pages/page-orders.php');
+        return $orders_template ?: '';
+    }
+
+    if (get_query_var('aksrt_cart')) {
+        $cart_template = aksrt_locate_template_file('templates/pages/page-cart.php');
+        return $cart_template ?: '';
+    }
+
+    if (get_query_var('aksrt_revenue')) {
+        $revenue_template = aksrt_locate_template_file('templates/pages/page-revenue.php');
+        return $revenue_template ?: '';
+    }
+
     if (get_query_var('aksrt_sign')) {
         $auth_template = aksrt_get_auth_template_file((string) get_query_var('aksrt_auth_tab'), true);
         $auth_template_path = aksrt_locate_template_file($auth_template);