refac

Dockerfile

@@ -164,6 +164,11 @@ RUN set -e; \
     mkdir -p /app/backend/data; chown -R $UID:$GID /app/backend/data/; \
     rm -rf /var/lib/apt/lists/*;
 
+# Optional: PPTX parsing through unstructured may need spaCy's English model.
+# Keep this out of the default image to avoid the extra image bloat; deployments
+# with read-only site-packages can uncomment it and bake the model in.
+# RUN python -m spacy download en_core_web_sm
+
 # Install Ollama if requested
 RUN if [ "$USE_OLLAMA" = "true" ]; then \
     date +%s > /tmp/ollama_build_hash && \