The server-side migration removed the old novi_idaa_api_key check, which was
also acting as an implicit 'is IDAA configured here?' guard. Without it, any
domain that resolves (including ghost/domain-not-found with account_id='ghost')
would fire the Aether endpoint and get an error response, showing 'Verification
Unavailable' over the root layout's 'Domain Not Found' message.
Restore the site_cfg.novi_idaa_api_key presence check as the first guard:
- key absent → site_cfg_json still loading OR this is not an IDAA site → skip
- account_id='ghost' → domain lookup failed → added explicit ghost guard too
The key itself is unused for auth (server holds it); we only test its presence.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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