Use MCP tool calls for image/video generation

Remove env fallback for API key - UI input only

Disable buttons when no API key set

Full app with import error handling

Simplest possible gradio app

Use default gradio version

Minimal test app

Remove gr.Progress to fix HF Spaces compatibility

Use stable Gradio 4.31.0

Fix Gradio version compatibility

Update .env.example with StackNet config

Initial StackNet Demo for Hugging Face Spaces