chore(pay): close residual zibll edge contracts for content pay

Expand coupon scope to content categories, document points_deduction as runtime-off like zibll, reject card_pass on content cashier, and pass shop/content context into coupon validate.

inc/classes/class-aksrt-content-pay.php

@@ -552,6 +552,13 @@ class AKSRT_Content_Pay {
                 'payable'         => round($payable, 2),
                 'rebate_price'    => round($rebate_price, 2),
             ],
+            // zibll: points_deduction runtime hard-off; card_pass not a content payment method.
+            'points_deduction_allowed' => function_exists('aksrt_is_allow_points_deduction')
+                ? (bool) aksrt_is_allow_points_deduction('content')
+                : false,
+            'card_pass_allowed' => function_exists('aksrt_is_content_card_pass_pay_allowed')
+                ? (bool) aksrt_is_content_card_pass_pay_allowed($post)
+                : false,
             'price_type'      => $price_type,
         ];
     }
@@ -687,9 +694,16 @@ class AKSRT_Content_Pay {
             return new WP_Error('aksrt_wrong_modo', __('该内容仅支持积分支付。', 'aksrt'), ['status' => 400]);
         }
 
-        // Card pass cannot stack coupon (zibll).
+        // Card pass cannot stack coupon (zibll). Content cashier does not sell via card_pass.
         $payment_method = sanitize_key($payment_method);
         if ($payment_method === 'card_pass') {
+            if (!function_exists('aksrt_is_content_card_pass_pay_allowed') || !aksrt_is_content_card_pass_pay_allowed($post)) {
+                return new WP_Error(
+                    'aksrt_card_pass_not_allowed',
+                    __('内容购买不支持卡密支付，请在用户中心使用卡密兑换余额/会员/积分。', 'aksrt'),
+                    ['status' => 400]
+                );
+            }
             $coupon_code = '';
         }
 
@@ -1170,8 +1184,9 @@ class AKSRT_Content_Pay {
                 }
             } else {
                 $result = AKSRT_Coupon::get_instance()->validate($coupon_code, $pay, [
-                    'user_id' => max(0, $user_id),
+                    'user_id'     => max(0, $user_id),
                     'product_ids' => [(int) $post->ID],
+                    'context'     => 'content',
                 ]);
                 if (empty($result['valid'])) {
                     $err = new WP_Error(