Stay
Delivery is where most technology relationships end. It is where the real life of a system begins.
The question this phase answers
Who is watching the system as the business changes? Tools update, vendors reprice, people join and leave, exceptions accumulate. A system that fit perfectly at handoff drifts quietly.
What you receive
Periodic reviews written for the people who decide. Maintenance that prevents incidents: updates, verified backups, small risks closed early. Support from people who already know the architecture. Improvements sequenced over time.
What you decide with it
Every technology decision that arrives after delivery (renewals, proposals, new tools), with someone technical in the room who has no commission at stake.
What this looks like in practice
The drift only becomes visible when it breaks something, unless someone is looking. This phase is the looking, made permanent.