Hello. I can't seem to embed the app on my Theme Editor. Furthermore I notice that the canonical index URL takes ages to load. How do we make sure AI detects this URL?

how to embed watch the video https://youtu.be/yq6JxP_NZ-c

The URL is already embedded in your store seo meta. It takes less than 500ms to load. This depends on your store's load time itself. If your store is well optimised, you shouldn't have an issue.