feat(耗材管理): 添加SN序列号管理功能

backend/models/Consumable.js

@@ -52,6 +52,12 @@ const Consumable = sequelize.define('Consumable', {
   description: {
     type: DataTypes.TEXT
   },
+  snList: {
+    type: DataTypes.JSON,
+    allowNull: true,
+    defaultValue: [],
+    comment: 'SN序列号列表，JSON数组格式'
+  },
   status: {
     type: DataTypes.STRING,
     defaultValue: 'active'

backend/models/ConsumableLog.js

@@ -87,6 +87,12 @@ const ConsumableLog = sequelize.define('ConsumableLog', {
     type: DataTypes.JSON,
     allowNull: true,
     comment: '耗材快照信息（分类、单位、供应商等），用于耗材删除后追溯'
+  },
+  snList: {
+    type: DataTypes.JSON,
+    allowNull: true,
+    defaultValue: [],
+    comment: '本次操作的SN序列号列表'
   }
 }, {
   tableName: 'consumable_logs',

backend/models/ConsumableRecord.js

@@ -46,6 +46,12 @@ const ConsumableRecord = sequelize.define('ConsumableRecord', {
   },
   notes: {
     type: DataTypes.TEXT
+  },
+  snList: {
+    type: DataTypes.JSON,
+    allowNull: true,
+    defaultValue: [],
+    comment: '本次操作的SN序列号列表'
   }
 }, {
   tableName: 'consumable_records',