# AuthOS Command Center Rich ContractSpec example for AuthOS capabilities: identity, sign-in, MFA, OTP, phone/profile/security settings, organization/team/admin, Better Auth bridge planning, and Connect with LSSM account linking. The example is deterministic and credential-free. It composes AuthOS contracts, runtime projections, the Better Auth bridge, and the reusable AuthOS module; it does not implement a bespoke authentication engine. ```bash bun run preflight ```