The invite-user modal offered only admin/member radios. Owner could
only be granted by editing an existing user — asymmetric with
editRoleOptions which lets owners assign owner directly. The original
intention was preventing the first-owner footgun but the asymmetry
was confusing.
Show the Owner radio only when me?.instance_role === 'owner'. The
help text ("Owners can't be created here — promote via Edit") still
shows for non-owner admins so the friction is preserved where it
matters.
AUDIT.md anchor: F-U-018.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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