- Add YggdrasilErrorResponse struct and standard error codes for protocol compliance
- Change UUID storage from varchar(36) to varchar(32) for unsigned format
- Add utility functions: GenerateUUID, FormatUUIDToNoDash, RandomHex
- Support unsigned query parameter in GetProfileByUUID endpoint
- Improve refresh token response with available profiles list
- Fix key pair retrieval to use correct database column (rsa_private_key)
- Update UUID validator to accept both 32-char and 36-char formats
- Add SignStringWithProfileRSA method for profile-specific signing
- Fix profile assignment validation in refresh token flow
- Introduced a new endpoint to fetch public user information without authentication.
- Implemented UserToPublicUserInfo function to format user data for the response.
- Updated UserService interface and user service implementation to support fetching users by username.
- Enhanced user handler to validate input parameters and check user status before responding.
- Removed Swagger documentation import from the main server file.
- Updated TextureInfo struct to include UploaderUsername for better texture metadata.
- Modified texture repository methods to preload Uploader information when fetching textures by hash.
- Improved texture service to handle cases where Uploader information is missing, ensuring proper caching and retrieval.
- Added Redis configuration options in the environment variable setup for better flexibility.
