The first launch is a milestone, but the application will keep depending on software updates, accounts, data and people. Include that responsibility in the project discussion.
Name the owners
The business owns process rules and approves changes. A technical maintainer handles code and dependencies within the agreement. Someone manages hosting, backups, access and provider accounts. These roles may overlap, but they should be explicit.
Keep source, deployment instructions and recovery information in the agreed authoritative locations. A developer's personal device should not be the only place the business can recover its application.
Define actual support
State coverage, response arrangements and which maintenance is included. A completed build does not automatically create continuous monitoring or immediate incident response.
Plan how a new feature is requested, reviewed and tested. Reuse acceptance examples so changes can be checked against the behavior the business already relies on.
A useful proposal explains the operating commitment without inventing future costs or guarantees. Bring your ownership and access expectations early so the application can be built with a handover your team can understand.
Include a departure scenario in the ownership plan. The business should know how another authorized maintainer can find the source, arrange access and recover the service.