#product-spec

Write a detailed PRD for a new feature. Sections: 1. Overview (problem statement, goals, success metrics). 2. User personas and use cases. 3. User stories with acceptance criteria. 4. Functional requirements (detailed specifications). 5. Non-functional requirements (performance, security, scalability). 6. Design mocks and user flows. 7. Technical considerations and dependencies. 8. Launch plan and rollout strategy. 9. Open questions and risks. Use clear, unambiguous language. Collaborate with engineering and design. Keep as living document.