Human approval before anything reaches the customer
An automated system that messages the customer directly looks faster, and it is faster right up until the first wrong message goes out.
What you lose without a human gate
One error that reaches a client costs more than the automation saved you in a month. Worse, the client has no idea a system sent it, so the blame lands on you.
How I built it so it does not block
The gate sits on the final output alone; everything before it runs without waiting. The automation reads the request, understands it, prices it, and prepares the reply, then stops at a single point: sending.
Review is deliberately fast. The reviewer opens a finished draft rather than a pile of raw material, and the decision is short: send as is, edit and send, or reject.
The threshold is adjustable: anything below a set amount passes on its own, and anything above it waits for approval. That keeps the queue clear of items that never needed a human eye.
The trap I fell into
At first I made every single item go through review. Dozens piled up within a day, and the reviewer started clicking approve without reading. A gate that gets bypassed out of habit is worse than no gate at all, because it hands you a false sense of safety.
The threshold turned out to be the fix: once fewer items reached the reviewer, each one that did was worth their attention.
An effect I did not expect
The person doing the reviews began catching bugs in the system itself. They noticed a repeated pattern in a wrong output and reported it. Reports like that have become the best source of improvement the automation has, on top of the protection the gate gives the client.
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