This just highlights that domain experts became even more valuable with LLMs. Not only they know the domain, now they realise their ideas too with minor effort. Doesn't bode well for programmers in non-tech areas.
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Single file including all html/js/css, Vanilla JS, no backend, scores persisted with localStorage.
Deployed using ubuntu/apache2/python/flask on a £5 Digital Ocean server (but could have been hosted on a static hosting provider as it's just a single page with no backend).
Images / metadata stored in an AWS S3 bucket.