From a real need to a reviewable change.
Software is easier to improve when teams understand the problem, keep responsibilities clear and examine the result together. The stages below describe a practical way to move from a need to a result.
From need to reviewable change
Understand and design
Start with the people affected, the outcome they need and a small observable problem. Describe each part's responsibilities and the interfaces between them before choosing how to implement.
Organize code around responsibilities
Group related rules and data by domain and keep interfaces explicit, so one part can change without forcing every consumer to change with it.
Build, review and test
Make a focused change, review its behavior and record the reasons for important decisions. Test normal flows, boundaries and failures, and inspect what automation cannot establish.
Release, operate and learn
Identify what is being released and who can approve it. Observe the system afterwards, plan recovery and use what the team learns to refine the next change.
See the stages applied to one small change.
A workshop booking rule changes so a reservation cannot exceed the places available.
Explore the approach
Architecture and boundaries
Where do the responsibilities sit?Composition and interfaces
How can smaller parts work together without becoming inseparable?Delivery and assurance
How is a change checked before people depend on it?Contract governance
How does a changing interface stay understandable to its consumers?Illustrative applications
Where might this be used?