Serve images in uploaded size not default variant size

For Workers & Pages, what is the name of the domain?

n/a

What is the error number?

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What is the error message?

n/a

What is the issue or error you’re encountering

Image sizes changed to default / public variant

What steps have you taken to resolve the issue?

Asked but your AI gives an answer that we should use a /original variant, that does not work.