feat(commission): 支持计奖商品参与设置、独立分成与多规格规则，完善团队中心与微信快捷登录

addons/shopro/service/order/OrderCreate.php

@@ -66,7 +66,7 @@ class OrderCreate
     /**
      * 用户选择的兑换券抵扣金额
      */
-    protected $voucher_fee = 0;
+    protected $voucher_fee = null;
 
     /**
      * 用户备注
@@ -158,7 +158,7 @@ class OrderCreate
         $this->invoice_id = $params['invoice_id'] ?? 0;
 
         $this->coupon_id = $params['coupon_id'] ?? 0;
-        $this->voucher_fee = isset($params['voucher_fee']) ? floatval($params['voucher_fee']) : 0;
+        $this->voucher_fee = (isset($params['voucher_fee']) && $params['voucher_fee'] !== '') ? floatval($params['voucher_fee']) : null;
         $this->remark = $params['remark'] ?? '';
 
         $this->money = (isset($params['money']) && $params['money'] > 0) ? $params['money'] : 0;
@@ -611,7 +611,14 @@ class OrderCreate
             $available = (new \addons\shopro\service\partner\VoucherService())->available($this->user->id);
         }
         $this->orderData['voucher_available'] = $available;
-        $want = max(0, round((float) $this->voucher_fee, 2));
+
+        // 兑换商城订单：若未显式指定抵扣额度，默认自动全额应用可用兑换券
+        if ($this->voucher_fee === null) {
+            $want = $this->order_type == 'score' ? (float) $available : 0;
+        } else {
+            $want = max(0, round((float) $this->voucher_fee, 2));
+        }
+
         $apply = min($want, (float) $available, (float) $this->orderData['pay_fee']);
         $apply = $apply > 0 ? $apply : 0;
         $this->orderData['voucher_fee'] = $apply;