Invitation link throws ApolloError: permission denied for table users when the invitee is already signed‑in

[underbluewaters]

Description

Several users reported that clicking an email invitation link to Blue Prosperity Vanuatu fails with the following error:

Hypothesis

The invitation acceptance mutation or query touches the users table under RLS.
A stale or invalid JWT causes the backend to fail the permission check, even though the UI session still appears valid.
Refreshing the token (sign-out/in) resolves the issue.