- Add email templates for confirmation, welcome, and unsubscribe
- Create newsletter-service.ts with token validation and 48h expiry
- Add API endpoints: /api/newsletter/subscribe, /confirm, /unsubscribe
- Add afterChange hook for automatic email sending on subscription
- Rate-limiting: 5 subscriptions per 10 minutes per IP
- GDPR-compliant with re-subscription support after unsubscribe
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
