Publish a readable handover
Finish with a product and an explanation someone else can use.
20 minutes
Write for the next person
Document the problem, setup, architecture, data model, verification and known limitations. Include synthetic demo credentials only if deliberately created for that purpose and supported by your authentication design; never publish private credentials.
Choose your next review
Separate completing the project from mastering every topic. Identify the least confident explanation and schedule a review. Return to the relevant code walk, design defense or debugging exercise with the actual source in front of you.