fix quota reset reservation race

server/internal/tenant/repository/quota_repo.go

@@ -59,6 +59,7 @@ type QuotaRepository interface {
 	UpdateQuotaReservationResource(ctx context.Context, reservationID, tenantID, resourceID int64) error
 	ConfirmReservation(ctx context.Context, reservationID, tenantID int64) error
 	RefundReservation(ctx context.Context, reservationID, tenantID int64) error
+	RefundPendingReservation(ctx context.Context, reservationID, tenantID int64) (bool, error)
 }
 
 type quotaRepository struct {
@@ -256,3 +257,19 @@ func (r *quotaRepository) RefundReservation(ctx context.Context, reservationID,
 		TenantID: tenantID,
 	})
 }
+
+func (r *quotaRepository) RefundPendingReservation(ctx context.Context, reservationID, tenantID int64) (bool, error) {
+	tag, err := r.db.Exec(ctx, `
+UPDATE quota_reservations
+SET status = 'refunded',
+    refunded_amount = reserved_amount,
+    updated_at = NOW()
+WHERE id = $1
+  AND tenant_id = $2
+  AND status = 'pending'
+`, reservationID, tenantID)
+	if err != nil {
+		return false, err
+	}
+	return tag.RowsAffected() > 0, nil
+}