Switch Qwen model to qwen-image-2.0-pro

Add api_name=False to submit_btn.click to fix TypeError in gradio_client schema generation

Fix: use type=filepath for gr.Image to avoid additionalProperties schema bug

Fix: replace lambdas with named functions, add api_name=False to preset buttons

Fix: upgrade to Gradio 5.10.0, remove version hacks, drop Image type hints

Initial commit: Gradio image editing app with DashScope API