The code moves into src/: index, server and the test harness keep the root

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Dockerfile

@@ -3,7 +3,8 @@
 # stage COPYs the marker so BuildKit cannot skip this stage as unused.
 FROM node:22-alpine AS test
 WORKDIR /app
-COPY *.js /app/
+COPY test.js /app/
+COPY src /app/src
 RUN node test.js && touch /tests-passed
 
 FROM python:3.12-alpine
@@ -14,7 +15,8 @@ FROM python:3.12-alpine
 # ponytail: switch to hashed filenames if traffic ever matters.
 WORKDIR /app
 COPY --from=test /tests-passed /tmp/tests-passed
-COPY index.html manifest.webmanifest *.js server.py /app/
+COPY index.html manifest.webmanifest server.py /app/
+COPY src /app/src
 COPY assets /app/assets
 # THE SCORES LIVE HERE AND THIS MUST BE A PERSISTENT VOLUME. Without one the json sits in the
 # container's writable layer and every deploy silently resets the leaderboard to empty — which