- Implemented TemplateResponseDto and UpdateTemplateRequestDto for subscription templates.
- Created models for system statistics including CPU, memory, and bandwidth.
- Developed user models for user creation, updates, and responses.
- Added bulk actions for user updates and statistics tracking.
- Introduced tests for authentication, bandwidth statistics, hosts, inbounds, key generation, nodes, subscriptions, and user management.
- Enhanced utility functions for generating random strings, emails, and date ranges for testing.
