Fix multiplayer responsiveness for viewer

.gitea/workflows/on-push-feature.yml

@@ -44,3 +44,13 @@ jobs:
           mkdir -p /www/jeopardy-test
           find /www/jeopardy-test -mindepth 1 -maxdepth 1 -exec rm -rf {} +
           cp -r /repos/music-jeopardy/dist/. /www/jeopardy-test/
+      - name: Restart realtime service (if available)
+        run: |
+          set -e
+          if command -v systemctl >/dev/null 2>&1; then
+            systemctl daemon-reload
+            systemctl enable --now music-jeopardy-realtime.service
+            systemctl restart music-jeopardy-realtime.service
+          else
+            echo "systemctl not available in this runner container. Restart on host manually."
+          fi