An installation enrolled before per-user mapping has nobody mapped, and
fail-closed means its owner is refused. Re-enrolling fixes it and can only
be done from the machine's own network, which is the wrong thing to require
of a machine whose only route in is the portal.
The hub names the owner in the handshake now, and this takes it: if the
enrolling account has no portal identity and nobody else holds that one, it
is written once and every later attach is a no-op. A mapping somebody else
holds is never moved - enrolment was told who that is, and this is only a
repair. A failure to write one does not drop the link.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
stroblmeandClaude Opus 5
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