Generate images from text descriptions using Qwen AI models.

• Text-to-Image Generation: Create images from text prompts using Qwen AI models
• Model Selection: Choose between Qwen Image 2.0 (fast) or 2.0 Pro (high quality)
• Advanced Options: Control image count, size, negative prompts, and more

nodes:
  - node_id: generate#1
    task: self::qwen-image-generate
    inputs_from:
      - handle: prompt
        value: "A beautiful sunset over the ocean"

• n: Number of images to generate (1-6)
• negative_prompt: Elements to avoid in generation
• size: Output dimensions in width*height format (512-2048 pixels each)
• prompt_extend: AI-powered prompt enhancement (default: true)
• watermark: Add watermark to images (default: false)
• seed: Random seed for reproducible results

Returns an array of image paths pointing to the generated images.