feat: hf space corr-steer

Dockerfile

@@ -42,6 +42,12 @@ COPY --chown=user features/ ./features/
 # Copy frontend files
 COPY --chown=user demo ./demo
 
+# Debug: Check what was copied
+RUN echo "=== Contents of demo directory after copy ==="
+RUN ls -la demo/
+RUN echo "=== Check if package.json exists ==="
+RUN test -f demo/package.json && echo "package.json exists" || echo "package.json NOT found"
+
 # Install frontend dependencies and build
 WORKDIR $HOME/app/demo
 RUN pnpm install