chore(deploy): systemd unit, push.sh, one-time setup notes

deploy/push.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Push dev source to void2-app (CT 311) and restart the service.
+# Run from /project/src/void-v2.
+#
+# Override TARGET / REMOTE_DIR via env if needed:
+#   TARGET=root@192.168.1.16 ./deploy/push.sh
+
+TARGET=${TARGET:-root@void2-app}
+REMOTE_DIR=${REMOTE_DIR:-/opt/void-server}
+
+rsync -avz --delete \
+  --exclude node_modules \
+  --exclude .git \
+  --exclude tests \
+  --exclude coverage \
+  --exclude .env \
+  ./ "$TARGET:$REMOTE_DIR/"
+
+ssh "$TARGET" "cd $REMOTE_DIR && npm install --omit=dev && systemctl restart void-server"
+echo "Deployed."