Color me sceptical but I’d say that’s a bold claim.

Can you give a concrete example of that being the case? I’d love to see the prompt and harness. And understand the scale of problem you’re talking about solving with a one-shot approach.

How long will it take to write the right spec? How will you know ahead of time that the spec is correct?

Which agentic guardrails do you mean? How can they be set up?

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I’d say the job of software engineering is still firmly being able to stand by the work you present and being reasonably confident that it’s correct according to yours and others’ understanding of the problem you’re attempting to solve.