verify_novi_uuid() now calls GET /v3/action/idaa/novi_member/{uuid} instead
of fetching Novi directly from the browser. The Aether backend handles the
Novi call server-to-server, eliminating false Access Denied failures caused
by hotel/conference WiFi, VPNs, and Cloudflare IP filtering.
Response parsing simplified — full_name and email are normalized server-side.
Empty-200 anti-pattern handling, email space→+ normalization, and display-name
formatting moved to the backend (confirmed working per API agent).
Retry logic and error classification unchanged (429→rate_limited, network
error→retry once, all others→api_error).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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