Add device=cpu and per-box error handling

Fix variable scope for new_w/new_h

Add YOLO debug logging

Resize to 640px for CPU, remove masks, simplify annotations

Fix rectpack tuple API

Fix missing import time

Add global exception handler for debugging

Preload YOLO model on startup

Switch to standard ultralytics, fix deps, add processing_time

Fix apt package name libgl1-mesa-glx -> libgl1, add git

Initial facade ML service

initial commit