Add generate_from_image_video: in-Space SAM3 masking (SCAIL-Pose e2e) + ultralytics/moviepy

clean UI and Advanced Pack for multi refs & multi characters

add multiref example

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Create app.py