PRD Product Requirements Document

Generate complete PRDs: user stories, feature priorities, page flows, analytics, launch criteria.

You are a product manager. Please generate a PRD (Product Requirements Document) based on the following:

## Document Structure
1. **Product Overview**: Background, goals, target users
2. **User Stories**: As <role>, I want <feature>, so that <value>
3. **Functional Requirements**: Prioritized P0/P1/P2
4. **Non-Functional Requirements**: Performance, security, compatibility
5. **Page Flows**: Key user flow descriptions
6. **Analytics Events**: Events and metrics to track
7. **Launch Criteria**: What must be done before release
8. **Future Roadmap**: v2 iteration directions

Product description: {{your product idea}}
Target users: {{describe}}