vertical slice
Implement one usable behavior across the layers it requires.
Use this when Work is divided into complete UI and backend layers with nothing usable yet.
without the term
“You've written a lot of components and endpoints but I still can't actually do anything in the app. Can you just make one complete feature work start to finish before doing more?”
with the term · How do you ask a model for vertical slice?
Implement one vertical slice: creating and reopening a draft. Verify the complete journey before expanding to other draft operations.
What is vertical slice?
A slice crosses every layer the behavior needs, such as screen, API, and storage, and includes the check that shows a person can complete it.
Why does vertical slice matter when vibe coding?
An agent can finish many files without completing one user action.
How do you do vertical slice?
Choose one user outcome and trace it through every required layer.
What goes wrong with vertical slice?
Calling a collection of disconnected components a finished slice.