规范气站与配送点提现渠道

backend/api/internal/logic/common/withdrawal_channel.go

@@ -0,0 +1,11 @@
+// Package common 提供跨管理端复用的提现渠道约束。
+// 版本：v1.0.0
+package common
+
+// OrganizationWithdrawalChannelBank 是当前组织钱包唯一开放的提现渠道。
+const OrganizationWithdrawalChannelBank = "bank"
+
+// IsSupportedOrganizationWithdrawalChannel 判断气站或配送点提交的渠道是否已开放。
+func IsSupportedOrganizationWithdrawalChannel(channel string) bool {
+	return channel == OrganizationWithdrawalChannelBank
+}