Manually walk through user flows, edge cases, and visual states to check whether a change works correctly and whether existing behavior broke. Use this skill after implementing a feature or fix, especially when automated tests are insufficient or don't exist, when the change affects UI/UX, or when a
Manually walk through user flows, edge cases, and visual states to check whether a change works correctly and whether existing behavior broke. Use this skill after implementing a feature or fix, especially when automated tests are insufficient or don't exist, when the change affects UI/UX, or when a shared component/page was modified and other usages need checking. Complements Validate and Test (a