Six tasks that make dev the prod topology: the documented `ops`-installable agent sudoers
grant, installing the agents as systemd services, the upsd ACL for the host and laptop
ranges, `.env.dev` pointing at the real hosts (token in the URL userinfo, `NUT_PORT=3051`),
retiring `scripts/dev-tunnels.sh`, and a live + browser verification pass.
No dashboard Python changes — deployment, config, scripts and docs only.
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