Programmatic signatures with a provable audit trail.
Server-side sessions onlySign-in completes inside the portal's backend with Zettaura-ID. No access or refresh token ever reaches this browser.
Fail-closed by designMissing configuration disables the portal outright — it never degrades into a demo or exposes a partial surface.
No silent capability claimsEnvelope, deal-room, and document-AI APIs appear only after their scope, audit, rate-limit, and billing controls pass release gates.
Private preview · No signing data or provider secret is ever exposed here.