- Generate 6-digit code instead of UUID token for password reset
- Store in Redis with 15 min TTL (was 1 hour)
- Update email template to show code instead of reset link
- Update ResetPasswordPayload to accept code instead of token
- Update send_password_reset_email to accept code parameter
- Add 35 branded HTML email templates with Nxtgauge styling
- Create email template engine with base template system
- Add email management API for admin panel
- Wire email triggers from all services
- All services compile successfully