If it can't do the work without humans it isn't AGI, since AGI should be able to learn those jobs and then do them as effective as humans that learned those jobs. Intelligence is how well you are able to learn subjects, so an AI that cannot learn what typical white collar humans learn is not an AGI, meaning if it cannot replace the entire office of white collar workers it is not an AGI.
> I am unaware of any definition of AGI that states AGI cannot have humans in the loop.
Its not the definition but its a trivial result of the most common definition that is "has human level intelligence".
AI as in "artificial intelligence", it isn't AS "artificial skills", doing one skill to the same level as a human is not AI, an AI need to be able to learn all skills humans can learn to the same levels.