修复完成订单自动回显

backend/internal/modules/order/repository.go

@@ -973,9 +973,7 @@ func (r *Repository) finalizeCheckout(tx *gorm.DB, order *model.RentalOrder, che
 	order.SettlementStatus = "settled"
 	order.SettledAt = &now
 	order.OwnerSettledAt = &now
-	listing.Status = "published"
-	listing.InTransaction = false
-	account.Status = "published"
+	archiveListingAfterCheckout(&listing, &account)
 	orderID := order.ID
 	settlement := buildCheckoutSettlement(*order, checkout)
 
@@ -1062,6 +1060,14 @@ func (r *Repository) finalizeCheckout(tx *gorm.DB, order *model.RentalOrder, che
 	return refund, nil
 }
 
+// 完成后的账号先下架，避免已完成订单对应的账号重新出现在公开首页。
+func archiveListingAfterCheckout(listing *model.RentalListing, account *model.GameAccount) {
+	listing.Status = "offline"
+	listing.InTransaction = false
+	listing.PublishedAt = nil
+	account.Status = "offline"
+}
+
 func (r *Repository) prepareRefund(order *model.RentalOrder, amountCent int64, bizType string, remark string) (*refundAction, error) {
 	if amountCent <= 0 {
 		return nil, nil

backend/internal/modules/order/repository_test.go

@@ -2,6 +2,7 @@ package order
 
 import (
 	"testing"
+	"time"
 
 	"hfb_sys/backend/internal/model"
 
@@ -112,3 +113,30 @@ func TestCalculateCheckoutSettlementAddsDepositCompensation(t *testing.T) {
 		t.Fatalf("RenterRefund = %.2f, want 120.00", settlement.RenterRefund)
 	}
 }
+
+func TestArchiveListingAfterCheckoutMovesListingOffline(t *testing.T) {
+	now := time.Now()
+	listing := model.RentalListing{
+		Status:        "published",
+		InTransaction: true,
+		PublishedAt:   &now,
+	}
+	account := model.GameAccount{
+		Status: "published",
+	}
+
+	archiveListingAfterCheckout(&listing, &account)
+
+	if listing.Status != "offline" {
+		t.Fatalf("listing status = %q, want offline", listing.Status)
+	}
+	if listing.InTransaction {
+		t.Fatal("listing in_transaction should be false")
+	}
+	if listing.PublishedAt != nil {
+		t.Fatal("listing published_at should be nil")
+	}
+	if account.Status != "offline" {
+		t.Fatalf("account status = %q, want offline", account.Status)
+	}
+}