fix: serve streamlit dashboard on hf space

Dockerfile

@@ -22,6 +22,6 @@ RUN uv sync --frozen --no-dev
 EXPOSE 7860
 
 HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
-  CMD /opt/venv/bin/python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:7860/health', timeout=3).read()" || exit 1
+  CMD /opt/venv/bin/python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:7860/_stcore/health', timeout=3).read()" || exit 1
 
-CMD ["/opt/venv/bin/python", "-m", "server.app"]
+CMD ["/opt/venv/bin/streamlit", "run", "app.py", "--server.address=0.0.0.0", "--server.port=7860", "--server.headless=true"]

README.md

@@ -30,10 +30,10 @@ Safety constraint:
 
 ## 2) Runtime Modes
 
-- API mode (default deployment): `python -m server.app`
-- Dashboard mode (optional local demo): `streamlit run app.py`
+- Dashboard mode (HF deployment): `streamlit run app.py`
+- API mode (local/service): `python -m server.app`
 
-HF Space Docker deployment uses API mode.
+HF Space Docker deployment serves the Streamlit dashboard.
 
 ## 3) Install