notfication ms integration

notification fix

notification

email smtp

feat(logging): Enhance logging with structured events and error handling

feat(staff-auth): Query pos_staff collection directly and add staff_id to auth tokens

feat(notifications): Replace WATI service with unified notification queue

feat(logging): Add correlation ID tracing for distributed request tracking

feat: Implement forgot password feature with email reset functionality

feat: Implement System Users module for authentication and user management