feat: 商家订单准确统计、客服备注与按客服筛选

merchant_ops/models.py

@@ -79,6 +79,7 @@ class MerchantStaffMember(QModel):
     role = models.ForeignKey(MerchantStaffRole, on_delete=models.PROTECT)
     status = models.IntegerField(default=1, verbose_name='1正常0停用2已移除')
     display_name = models.CharField(max_length=64, blank=True, default='')
+    merchant_remark = models.CharField(max_length=64, blank=True, default='', verbose_name='商家备注')
     invited_by_code = models.ForeignKey(
         MerchantStaffInvite, null=True, blank=True, on_delete=models.SET_NULL
     )