feat: add yolov8n.pt to git, link /opt/vendor/yolov8 for pip deps

- Include yolov8n.pt model in repo (6.5MB)
- Add symlink logic in run_all.sh: if /workspace/.site-packages missing
  and /opt/vendor/yolov8 exists (EFS), auto-link before setting PYTHONPATH

.gitignore

@@ -13,5 +13,3 @@ __pycache__/
 *.pyc
 *.pyo
 
-# YOLO model (auto-downloaded on first run)
-yolov8n.pt

run_all.sh

@@ -1,6 +1,11 @@
 #!/usr/bin/env bash
 set -euo pipefail
-export PYTHONPATH="/workspace/.site-packages:$PYTHONPATH"
+# Link pip deps from EFS vendor if /workspace/.site-packages is missing
+if [[ ! -d "${ROOT}/.site-packages" && -d "/opt/vendor/yolov8" ]]; then
+  ln -sf /opt/vendor/yolov8 "${ROOT}/.site-packages"
+fi
+
+export PYTHONPATH="${ROOT}/.site-packages:$PYTHONPATH"
 export DISPLAY=:1
 
 # Auto-download YOLO model if not present