- Add MIXPANEL_TOKEN, MIXPANEL_API_SECRET, ANALYTICS_ENV to .env.example
- Add packages/web/.env.example with VITE_MIXPANEL_TOKEN and other analytics vars
- Update docs/MIXPANEL_ANALYTICS.md with complete setup instructions
- Document event taxonomy (30+ events across User, Subscription, DarkWatch, VoicePrint, SpamShield)
- Add KPI definitions (MAU, MRR, conversion, churn, CAC, LTV, NPS, viral coefficient)
- Include integration examples for backend and frontend usage
- Document alert thresholds for monitoring
Implementation was already complete in packages/shared-analytics and packages/web.
This completes the configuration and documentation for Mixpanel setup.
FRE-5281