AI image generation and editing using nano-banana-2 API. Use this skill when users request to generate images from text prompts, edit existing images, or create visual content. Supports various aspect ratios (1:1, 4:3, 16:9, etc.) and quality levels (1K, 2K, 4K). Use for requests like "generate an image of...", "create a picture of...", "edit this image to...", or any visual content creation tasks.