- Introduced email notifications for help requests, allowing operators assigned to device folders or groups to receive alerts.
- Moved SMTP configuration to **Settings → Email**, including options for host, credentials, and alert email.
- Updated console layout for better usability and removed legacy SMTP automation tab.
- Added `nodemailer` as a dependency for email handling.
- Added user group membership functionality, allowing users to be assigned to groups.
- Introduced validation for group GUIDs and enhanced error handling in user routes.
- Updated device group routes to support allowed user groups, enabling better access control for devices.
- Enhanced database schema to include user group memberships and device group user group access.
- Updated services and database adapters to handle user group data and relationships.
- Modified front-end views to display and manage user groups effectively.
- Added tests to ensure proper functionality of user group assignments and device access control.