fix(distribution): 分站挂牌的号主收入记入对应分站钱包

结账和仲裁不再把分销站号主收入写入主站钱包，用户列表也只展示主站余额。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/internal/modules/order/checkout_finalize.go

@@ -33,7 +33,7 @@ func (r *Repository) finalizeCheckout(tx *gorm.DB, order *model.RentalOrder, che
 	if settlement.ShortfallCent > 0 {
 		return nil, ErrCheckoutDepositShortfall
 	}
-	if err := appendCheckoutOwnerIncome(tx, order, settlement); err != nil {
+	if err := appendCheckoutOwnerIncome(tx, order, listing, settlement); err != nil {
 		return nil, err
 	}
 	refund, err := r.prepareCheckoutRefund(order, settlement)
@@ -65,7 +65,14 @@ func (r *Repository) finalizeCheckout(tx *gorm.DB, order *model.RentalOrder, che
 	return refund, nil
 }
 
-func appendCheckoutOwnerIncome(tx *gorm.DB, order *model.RentalOrder, settlement checkoutSettlement) error {
+func ownerWalletSiteID(listing *model.RentalListing) uint64 {
+	if listing != nil && listing.DistributionSiteID != nil {
+		return *listing.DistributionSiteID
+	}
+	return 0
+}
+
+func appendCheckoutOwnerIncome(tx *gorm.DB, order *model.RentalOrder, listing *model.RentalListing, settlement checkoutSettlement) error {
 	if isPlatformSettlementOrder(*order) {
 		amountCent := settlement.OwnerRentIncomeCent + settlement.DepositCompensationCent
 		order.OfflineSettlementAmountCent = amountCent
@@ -77,11 +84,12 @@ func appendCheckoutOwnerIncome(tx *gorm.DB, order *model.RentalOrder, settlement
 		return nil
 	}
 	orderID := order.ID
+	siteID := ownerWalletSiteID(listing)
 	var ownerEntries []wallet.Entry
 	if settlement.OwnerRentIncomeCent > 0 {
 		ownerEntries = append(ownerEntries, wallet.Entry{
 			UserID:             order.OwnerID,
-			DistributionSiteID: 0,
+			DistributionSiteID: siteID,
 			OrderID:            &orderID,
 			Direction:          "in",
 			AmountCent:         settlement.OwnerRentIncomeCent,
@@ -94,7 +102,7 @@ func appendCheckoutOwnerIncome(tx *gorm.DB, order *model.RentalOrder, settlement
 	if settlement.DepositCompensationCent > 0 {
 		ownerEntries = append(ownerEntries, wallet.Entry{
 			UserID:             order.OwnerID,
-			DistributionSiteID: 0,
+			DistributionSiteID: siteID,
 			OrderID:            &orderID,
 			Direction:          "in",
 			AmountCent:         settlement.DepositCompensationCent,

backend/internal/modules/order/repository_test.go

@@ -694,3 +694,16 @@ func TestApplyCheckoutPriceView_RoleIsolationAndPlatformFeeHidden(t *testing.T)
 		t.Fatalf("租客视角必须展示 RenterRefundAmountCent, 实际为: %v", renterDTO.RenterRefundAmountCent)
 	}
 }
+
+func TestOwnerWalletSiteIDFollowsListingSite(t *testing.T) {
+	if got := ownerWalletSiteID(nil); got != 0 {
+		t.Fatalf("空挂牌站点 = %d, want 0", got)
+	}
+	if got := ownerWalletSiteID(&model.RentalListing{}); got != 0 {
+		t.Fatalf("主站挂牌站点 = %d, want 0", got)
+	}
+	siteID := uint64(3)
+	if got := ownerWalletSiteID(&model.RentalListing{DistributionSiteID: &siteID}); got != 3 {
+		t.Fatalf("分站挂牌站点 = %d, want 3", got)
+	}
+}