feat(ql3): establish 3.0 incubation baseline

deploy/containers/ql3-service-manager-gate/openrc.Dockerfile

@@ -0,0 +1,8 @@
+FROM node:24-alpine
+
+RUN apk add --no-cache openrc \
+  && addgroup -g 10001 -S ql3service \
+  && adduser -u 10001 -S -D -H -G ql3service -s /sbin/nologin ql3service \
+  && mkdir -p /run/openrc
+
+ENTRYPOINT ["node", "-e", "const fs=require('node:fs');fs.mkdirSync('/run/openrc',{recursive:true});fs.writeFileSync('/run/openrc/softlevel','default\\n');setInterval(()=>{},2147483647)"]

deploy/containers/ql3-service-manager-gate/systemd.Dockerfile

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+FROM node:24-bookworm-slim
+
+RUN apt-get update \
+  && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends systemd \
+  && groupadd --gid 10001 ql3service \
+  && useradd --uid 10001 --gid 10001 --no-create-home --shell /usr/sbin/nologin ql3service \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/* \
+  && systemctl mask systemd-remount-fs.service getty@.service console-getty.service
+
+STOPSIGNAL SIGRTMIN+3
+ENTRYPOINT ["/lib/systemd/systemd"]
+CMD []