update dockerfile for new scripts

Dockerfile

@@ -128,6 +128,10 @@ WORKDIR /home/appuser/app
 # Copy from *build context* into image, owned by appuser
 COPY --chown=appuser:appuser app.py /home/appuser/app/app.py
 
+# NEW: shared utils + worker
+COPY --chown=appuser:appuser utils.py /home/appuser/app/utils.py
+COPY --chown=appuser:appuser jam_worker.py /home/appuser/app/jam_worker.py
+
 USER appuser
 
 EXPOSE 7860