It is possible to add additional graphics to those brought by odoo for defects, example I want to add this chart https://www.chartjs.org/docs/latest/samples/other-charts/combo-bar-line.html
https://drive.google.com/file/d/1hn7LmodBQOeSDzUmwgUNs4FAwWUXsbdk/view?usp=drivesdk