Maybe once the core onError lifecycle is implemented (if maintainers decide to go that way) everyone will discover you're right and an implementation will be built in. I think that's probably what's going to happen. But until real life has proved it, it's usually best to go for the smallest most broadly applicable solution. I can definitely imagine <svelte:error> eventually being a thing, but it's a pretty dramatic change compared to an added importable function.

I don't think we want the cookbook to become a collection of tutorials regarding how to use certain libraries and tools with svelte. A set of more generic recipes or deep dives into topics would probably serve people better and have broader application.

Could one solution design serve the needs of multiple persona scenarios?

Not building a static site? No worries there, React Static works as an SPA too, even if there is only a single index.html file.

the expanding selection of CMS options for site generators remove the need to maintain a separate stack for content and marketing.

The GDPR is a little short on examples, but this is always interpreted very broadly.

In mathematical contexts, duality has numerous meanings[1] although it is "a very pervasive and important concept in (modern) mathematics"[2] and "an important general theme that has manifestations in almost every area of mathematics".[3]

This scope effectively covers almost all companies and, therefore, means that the GDPR can apply to you whether your organization is based in the EU or not.

You can choose from “Apply GDPR’s broader protection standards to” EU onlyAll users

It will allow anyone to annotate anything anywhere, be it a web page, an ebook, a video, an image, an audio stream, or data in raw or visualized form