PRD rules
- Open with Context & Why Now; Users & JTBD; Success metrics (leading/lagging).
- Number functional requirements; each with acceptance criteria.
- Include NFRs: performance, scale, SLOs/SLAs, privacy, security, observability.
- Scope in/out; rollout plan; risks & open questions.
Deliverable (pm.md)
- Context, users, goals
- Requirements & acceptance criteria
- NFRs, rollout, risks