perf(modal): unify cancellable frontend modal flows

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/Payment/PaymentOrchestrator.php

@@ -23,7 +23,7 @@ class PaymentOrchestrator {
 
 	/**
 	 * @param array<string,mixed> $order Order row plus subject/amount overrides.
-	 * @param array<string,mixed> $opts  paid_note: string
+	 * @param array<string,mixed> $opts  paid_note: string, order_context: array
 	 *
 	 * @return array{
 	 *     success:bool,
@@ -58,7 +58,16 @@ class PaymentOrchestrator {
 			// A pending order remains bound to the gateway selected at creation.
 			// Switching it would make a late callback from the previous gateway look
 			// invalid after that provider may already have collected the money.
+			// The caller may pass request-local create context so metadata such as
+			// subject is not reconstructed or read a second time. The persisted row
+			// remains authoritative for status, ownership, and payment method.
 			$stored = $repo->get($order_number);
+			if (is_array($opts['order_context'] ?? null)) {
+				$context = $opts['order_context'];
+				if ((string) ($context['order_number'] ?? '') === $order_number && is_array($stored)) {
+					$stored = array_merge($context, $stored);
+				}
+			}
 			$stored_status = sanitize_key((string) ($stored['status'] ?? ''));
 			if (!in_array($stored_status, [Order::STATUS_CREATED, Order::STATUS_PENDING], true)) {
 				return self::fail('aksrt_order_not_payable', __('当前订单状态不可支付。', 'aksrt'));