采购单优化

app/Models/StoreOrderItemModel.php

@@ -60,6 +60,14 @@ class StoreOrderItemModel extends Model
      */
     protected $hidden = ['cost_price'];
 
+    /** 明细可编辑状态：待接单、已接单、采购中、配送中（已完成/已取消锁定） */
+    public const array ITEM_EDITABLE_STATUS = [
+        StoreOrderModel::STATUS_PENDING,
+        StoreOrderModel::STATUS_SUMMARIZED,
+        StoreOrderModel::STATUS_DELIVERING,
+        StoreOrderModel::STATUS_DISTRIBUTION,
+    ];
+
     /**
      * 商品图片ID（逗号分隔字符串 ↔ 数组）
      */

app/Models/StoreOrderModel.php

@@ -28,6 +28,16 @@ class StoreOrderModel extends Model
     /** 状态：已取消 */
     public const int STATUS_CANCELLED = 9;
 
+    /** 状态中文名（后台文案/订单通知用） */
+    public const array STATUS_NAMES = [
+        self::STATUS_PENDING => '待接单',
+        self::STATUS_SUMMARIZED => '已接单',
+        self::STATUS_DELIVERING => '采购中',
+        self::STATUS_DISTRIBUTION => '配送中',
+        self::STATUS_COMPLETED => '已完成',
+        self::STATUS_CANCELLED => '已取消',
+    ];
+
     protected $table = 'store_order';
     protected $primaryKey = 'id';