# Milestone P · Phase 4 — P3 Public Launch

**Objective:** launch the product publicly with reliability, quality floor, and support readiness.

## Success Criteria

- Briefing generation reliability and latency SLOs met.
- Quality controls enforced (freshness, duplicates, source floor).
- Notification cadence controls protect user attention.
- Support and incident response workflow operating.

**Dependencies:** P2 completed, M3 + M5 core, M6 partial.

**Blocked by:** beta KPIs and operational readiness.

**Unblocks:** P4 Scale + Revenue Fit.

## Task Index

| # | Task | Delivers | Depends On | Complexity |
|---|------|----------|------------|------------|
| 01 | Reliability and SLOs | launch SLOs, monitoring, error budgets | None | M |
| 02 | Quality Operations | quality floor checks, regression dashboards, alerting | Task 01 | M |
| 03 | Launch and Support Playbook | launch checklist, incident roles, communication templates | Task 02 | S |