Initial commit: Card Grader deployed to hippofam.com/cards

PWA card-grading app, deployed behind Nginx Proxy Manager on Unraid with
basic auth. Includes CARD_GRADER_BASE_PATH support for running under a
sub-path, and Docker/compose config for the Unraid deployment.

Dockerfile

@@ -0,0 +1,16 @@
+FROM python:3.12-slim
+
+# Only optional deps (see README) — the app itself is stdlib only.
+RUN pip install --no-cache-dir anthropic pillow
+
+WORKDIR /app
+COPY app.py cardimage.py store.py vision.py ./
+COPY static/ ./static/
+
+# grades.db lives here; mount a volume at /data to persist it across
+# container recreates and image updates.
+ENV CARD_GRADER_DB_PATH=/data/grades.db
+ENV PORT=8778
+EXPOSE 8778
+
+CMD ["python3", "app.py"]