- Add structured logging for email sending (success/failure)
- Add HealthCheck method to EmailService interface
- Extend /health endpoint to include SMTP status
- Update all email service mocks to implement HealthCheck
- SMTP status shows: ok, error, or disabled
- Implement comprehensive health check with database ping
- Track and report server uptime
- Return proper HTTP status codes (503 if database is down)
- Add Swagger documentation for health endpoint
david