deploy: rename Dockerfile.hf -> Dockerfile on the Space side

Dockerfile

@@ -38,9 +38,14 @@ RUN mkdir -p config core inference retrieval interfaces ingestion utils evaluati
     && touch retrieval/__init__.py interfaces/__init__.py ingestion/__init__.py \
     && touch utils/__init__.py evaluation/__init__.py app/__init__.py
 
+# Intentionally skip [pii] extras -- the regex patterns in utils/pii.py
+# already cover every BYOK key shape (Groq / OpenAI / Anthropic / HF / Vercel
+# / Qdrant JWT / Qdrant management). Adding Presidio would pull spaCy
+# en_core_web_lg (~770 MB) which auto-downloads at runtime and crashes the
+# container on the CPU Basic Space when the package installer is absent.
 RUN uv venv /app/.venv \
     && uv pip install --python /app/.venv/bin/python \
-        -e ".[api,embeddings-local,pii]"
+        -e ".[api,embeddings-local]"
 
 # --- runtime ----------------------------------------------------------------
 FROM python:3.11-slim AS runtime