Scoping a full-stack build around outcomes.
The best scope documents are built around the business result, not a shopping list of features.
Feature-led scoping often creates products that are technically complete and commercially vague. Outcome-led scoping starts with the change the business wants to make and works backward from there. That approach keeps the build focused on value instead of volume.
Once the outcome is clear, the architecture gets easier to judge. Some features belong in the first release because they protect the core result. Others belong in later phases because they add polish without changing the economics. A senior team should be able to make that distinction quickly.
This kind of scoping also makes tradeoffs easier to explain to stakeholders. If a feature does not improve the outcome, it should be hard to justify. That discipline is what keeps a full-stack project from turning into a long list of nice ideas that never quite ship.