chore(devops): project skeleton — uv, docker compose, Makefile, CI

One Postgres with isolated identity/clinical databases and roles (ADR-003),
FastAPI /health, Streamlit placeholder, typed settings with offline defaults.

Refs #1

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,11 @@
+# One image for both the API/bot process and the Streamlit dashboard.
+FROM python:3.12-slim
+COPY --from=ghcr.io/astral-sh/uv:0.8 /uv /usr/local/bin/uv
+ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy UV_PROJECT_ENVIRONMENT=/opt/venv PATH="/opt/venv/bin:$PATH" PYTHONUNBUFFERED=1
+WORKDIR /srv
+COPY pyproject.toml uv.lock ./
+RUN uv sync --frozen --no-dev --no-install-project
+COPY . .
+RUN uv sync --frozen --no-dev
+EXPOSE 8000 8501
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]