Add interaction without changing the SVG compiler

                    

                1
                const host = document.querySelector('[data-schemd-host]');
            

                2
                ​
            

                3
                function handleClick(event: Event) {
            

                4
                	const element = event.target instanceof Element ? event.target : null;
            

                5
                	const node = element?.closest<SVGGElement>('[data-node-id]');
            

                6
                	if (node) node.classList.toggle('is-selected');
            

                7
                }
            

                8
                ​
            

                9
                host?.addEventListener('click', handleClick);
            

                10
                // Later: host?.removeEventListener('click', handleClick);