5 分钟发布一次

backend/internal/modules/systemconfig/repository.go

@@ -32,6 +32,7 @@ var defaultConfigs = []defaultConfig{
 	{Key: "order.pending_payment_timeout_minutes", Value: "15", Description: "订单待支付超时取消分钟数"},
 	{Key: "order.return_overdue_grace_minutes", Value: "10", Description: "预计截止后结账宽限分钟数"},
 	{Key: "listing.review_required", Value: "false", Description: "发布账号是否需要后台人工审核"},
+	{Key: "listing.publish_cooldown_minutes", Value: "5", Description: "同一用户两次新增发布账号的最小间隔分钟数（0 表示关闭）"},
 	{Key: listingPublishAgreementsConfigKey, Value: defaultListingPublishAgreementsConfigValue(), Description: "发布账号前协议配置 JSON"},
 	{Key: orderAgreementsConfigKey, Value: defaultOrderAgreementsConfigValue(), Description: "下单前协议配置 JSON"},
 	{Key: postRentalNoticeConfigKey, Value: defaultPostRentalNoticeConfigValue(), Description: "租后须知配置 JSON"},
@@ -60,6 +61,7 @@ var adminVisibleConfigKeys = []string{
 	"integration.paddle_ocr_model",
 	"integration.paddle_ocr_token",
 	"listing.publish_agreements",
+	"listing.publish_cooldown_minutes",
 	"listing.publish_options",
 	"listing.review_required",
 	"listing.sale_price_config",

backend/internal/modules/systemconfig/service_update.go

@@ -2,6 +2,8 @@ package systemconfig
 
 import (
 	"context"
+	"strconv"
+	"strings"
 )
 
 func (s *Service) Update(ctx context.Context, actorID uint64, key string, req UpdateRequest, meta AuditMeta) (*ConfigDTO, error) {
@@ -11,5 +13,11 @@ func (s *Service) Update(ctx context.Context, actorID uint64, key string, req Up
 	if key == "" || (req.Value == "" && key != "integration.paddle_ocr_token") {
 		return nil, ErrInvalidConfig
 	}
+	if key == "listing.publish_cooldown_minutes" {
+		minutes, err := strconv.Atoi(strings.TrimSpace(req.Value))
+		if err != nil || minutes < 0 {
+			return nil, ErrInvalidConfig
+		}
+	}
 	return s.repo.Update(ctx, actorID, key, req, meta)
 }