generateImages method
Generate images from text prompts
Creates one or more images based on a text description.
Implementation
@override
Future<ImageGenerationResponse> generateImages(
  ImageGenerationRequest request,
) async {
  _logger.info('Generating images with prompt: ${request.prompt}');
  // Determine which API to use based on model
  if (_isImagenModel(request.model ?? _config.model)) {
    return _generateWithImagen(request);
  } else {
    return _generateWithGemini(request);
  }
}