There is a moment in every automation project where someone asks: "so it does the whole thing by itself?" And the honest answer that nobody wants to give is: it should not. Not at first, and for some work, not ever.
What we actually build
Almost every automation we ship has the same shape. The system does the work: drafts the email, files the meeting, classifies the lead, writes the report. Then it stops, and the work sits in a queue with an approve button next to it.
A human looks at it for five seconds and approves, edits, or rejects. That is it. The human went from doing forty minutes of work to doing five seconds of judgement.
Why this is not a compromise
People hear "human in the loop" and think it means the automation is not finished. It is the opposite. The approval step is what makes the automation deployable on real work in week two instead of after six months of edge-case hunting.
It does three jobs at once. It catches the failures while the system is young. It builds trust, because your team sees every output before it leaves the building. And it produces training data: every edit a human makes is a lesson about what correct looks like in your company, not in general.
When to remove it
The queue tells you. When someone has approved the same kind of output two hundred times with no edits, the approval has become a rubber stamp, and rubber stamps are work too. That is the moment to let that category flow through automatically and keep the approval for the cases that still earn it.
The mistake is doing this by feel. Keep the numbers: approvals, edits, rejections, by category. When the edit rate for a category sits at zero for a month, promote it. When it spikes after a change, demote it. The system earns autonomy the same way a new hire does.
The uncomfortable version
If a vendor promises full autonomy on day one for work that matters, one of two things is true: the work did not actually matter, or the failures are going to be somebody else's surprise. We would rather ship the approve button.