Related question
What changes when a pilot becomes everyday operations?
Short answer
The standard rises sharply. During a test, someone can quietly fix an error or restart a process. Once people or customers depend on the system, those informal saves become unacceptable. Ownership, permissions, monitoring, support, cost tracking, and failure procedures all have to exist before the handover, not after.
Pilots are forgiving in a way production never is, and the gap between them catches capable teams.
In a pilot, the person running it is also the person who notices when something looks wrong. They correct it, adjust the prompt, restart the run, and the result still looks good. None of that is documented, and none of it survives the transition to a system that other people depend on. The informal interventions that made the pilot succeed are exactly what disappears when it becomes everyday operations.
What has to be in place before the handover is mostly organizational rather than technical. One named owner. Training for the people who will now use it without the pilot team standing behind them. Permissions that are right rather than convenient. An escalation path when the output is wrong, and a person with the authority to use it. Cost monitoring, because usage-based pricing grows with adoption and success itself raises your bill. And behavior that can be observed rather than assumed.
If the system can take action rather than just produce information, the controls have to be proportionate to those actions, which is a separate conversation worth having before rather than after.
This is why our builds put a data foundation underneath the first phase rather than delivering a report. A report is what you look at. The stored record underneath it is what makes the next phase possible.
Production readiness is not a developer milestone. It is an organizational one, and both sides have to be ready.