修复支付状态问题

src/Payment/Gateway.php

@@ -225,7 +225,7 @@ class Gateway {
         $provider_ref = sanitize_text_field((string) ($request->get_param('order')
             ?: $request->get_param('out_trade_no')
             ?: ''));
-        $this->redirect_to_orders($this->local_order_number($provider_ref), 'cancelled');
+        $this->redirect_to_orders($this->local_order_number($provider_ref), Order::STATUS_CLOSED);
         return null;
     }
 
@@ -306,7 +306,7 @@ class Gateway {
      * @param array<string,mixed>|null $order
      */
     private function reconciliation_gateway(?array $order): ?GatewayInterface {
-        if (!is_array($order) || !in_array((string) ($order['status'] ?? ''), [Order::STATUS_CREATED, Order::STATUS_PENDING], true)) {
+        if (!is_array($order) || (string) ($order['status'] ?? '') !== Order::STATUS_PENDING) {
             return null;
         }
 
@@ -384,7 +384,7 @@ class Gateway {
 
         // 幂等：仅同一交易号的重复回调可视为成功。不同交易号意味着
         // 用户可能重复付款，不能静默 ACK 为已正确同步。
-        if (in_array($current, ['paid', 'delivered', 'completed'], true)) {
+        if ($current === Order::STATUS_PAID) {
             $stored_transaction = sanitize_text_field((string) ($order['payment_transaction_id'] ?? ''));
 			if (sanitize_key((string) ($order['product_type'] ?? '')) === \AKSRT\Core\DomainModel::ORDER_PRODUCT_RECHARGE) {
 				if ($stored_transaction !== '' && !hash_equals($stored_transaction, $transaction_id)) {
@@ -399,7 +399,7 @@ class Gateway {
             return $stored_transaction !== '' && hash_equals($stored_transaction, $transaction_id);
         }
         // 只允许从未支付态完成
-        if (!in_array($current, ['created', 'pending'], true)) {
+        if ($current !== Order::STATUS_PENDING) {
             return false;
         }