The field is pre-filled with host.docker.internal — a Docker DNS name that resolves to
the machine the containers run on (the Clusev host) — but had no explanation, so it read
as a mandatory magic value. Add a one-line helper under the field: it's the default for
the Clusev host; leave it, or enter another IP/host. The field stays editable on purpose
(some setups want the host's LAN IP or a different machine).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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