Mount Gradio at /gradio to not interfere with FastAPI routes

Mount gradio at root and keep fastapi endpoints

Add full /download_tg endpoint implementation in app.py

Add @spaces.GPU decorator to gradio app.py

Switch back to standard Gradio SDK

Switch back to pure FastAPI Docker setup

Add /download_tg endpoint with FastAPI and Gradio mount

Add @spaces.GPU decorator to app.py

Fix huggingface_hub import error for gradio

Fix container hook issue with app_port

Minimal stable gradio config

Fix app.py with standard gradio interface

Switch README back to sdk: gradio

Clean Docker setup with app_port 7860

Fix gradio demo.launch server settings

Fix app.py for gradio launch

Switch back to Gradio SDK for ZeroGPU compatibility