<data><!-- Filtros de fase RELSUM -->
            <xpath expr="//search/filter[@name='filter_draft']" position="before">
                <filter name="filter_pendientes" string="Pendientes" domain="[('relsum_workflow_stage', 'not in', ['delivered', 'invoiced'])]"/>
                <filter name="filter_hechas" string="Hechas" domain="[('relsum_workflow_stage', 'in', ['delivered', 'invoiced'])]"/>
                <separator/>
            </xpath>

            <!-- Búsqueda por planta -->
            <xpath expr="//search/field[@name='partner_id']" position="after">
                <field name="machine_planta_id" string="Planta"/>
            </xpath>

        </data>