What is a user story? Acceptance criteria example.

User stories

For What is a user story? Acceptance criteria example., interviewers listen for a crisp definition, how the pieces interact in a real system, and one trade-off or failure mode you have seen or would guard against.

As a student, I want to bookmark questions
so that I can revise weak topics later.

Acceptance:
- Heart icon toggles bookmark
- Bookmarked list persists after reload