User Story Authoring

Create Agile-style user stories with acceptance criteria.

User Story Format

## US-XXX: [Short Title]

**As a** [type of user/persona],
**I want** [goal/desire],
**So that** [benefit/value].

### Acceptance Criteria

- [ ] AC-1: Given [context], when [action], then [outcome]
- [ ] AC-2: Given [context], when [action], then [outcome]

### Notes