I don't know what's being used to build the user interfaces, but I'd look at Shopify Polaris for some inspiration. It's been a pleasure to work with it. Although it's quite restrictive (no colour customizations, for ex), it gives users standardised and accessible screens. I wonder how debugging would work.
Nice, consistent design system and guidance is definitely something we want to have for the future platform. Thanks for pointing out to Shopify Polaris, looks very interesting!