A handover is easier when the project has kept its decisions and responsibilities visible throughout the work. Files alone do not explain why a feature exists or how a release is maintained. The next person needs enough context to operate and change the product with care.
Describe the product as it stands
Summarise the main journeys and the boundaries of the current release. Identify which parts are complete and which remain exploratory. Include known limitations in the same place as the working features so a new team does not have to discover them through trial and error.
Make responsibilities findable
List the systems involved and the people responsible for access, content, and ongoing operation. Keep credentials in the agreed secure systems rather than embedding them in a general project document. A handover should explain where to obtain authorised access without creating another unmanaged copy of it.
Keep design and implementation connected
Link the relevant screens, reusable components, and development notes. Explain important decisions that might otherwise look arbitrary. Someone maintaining the product should be able to trace a visible interaction back to its purpose and understand what needs checking when that interaction changes.
Walk through a realistic change
Use a small example to review the handover: updating content, preparing a release, or investigating an issue. Notice where the next team still has to guess. Fill those gaps while the original project context is available, then agree the support boundary after the handover.