term to kill, and startup fix,

app_new.py

@@ -1157,7 +1157,7 @@ def cancel_batch(batch_id):
     if user_id != current_user.id:
         abort(404)
     try:
-        celery_app.control.revoke(batch_id, terminate=True, signal="SIGTERM")
+        celery_app.control.revoke(batch_id, terminate=True, signal="SIGKILL")
         log_audit(
             "batch_canceled",
             user_id=current_user.id,

start.sh

@@ -9,7 +9,7 @@ CELERY_PID=$!
 trap "kill $CELERY_PID; exit 0" SIGTERM SIGINT
 
 # Run database migrations/initialization
-flask --app app_new init-db-cmd
+flask --app app_new init-db
 
 # Start Gunicorn in foreground
 # Hugging Face Spaces expects the app to listen on port 7860