- Enhanced image processing service with multiple features
- Support for multiple image sizes (thumbnail, small, medium, large)
- Multiple output formats (JPEG, PNG, WebP)
- Configurable quality settings and processing options
- ProcessImage with customizable options
- ProcessAvatar for optimized avatar processing
- ProcessImageMultipleSizes for batch processing
- OptimizeImage for target file size optimization
- Image format conversion and validation
- Comprehensive unit tests for core functions
