Level 2 — login and register
%% Level 2 — login and register (discovery stub)
sequenceDiagram
actor User as Partner user
participant App as Partner portal
participant IdP as Identity provider
alt Register
User->>App: Submit org email and metadata
App->>IdP: Sign-up flow
IdP-->>App: Account created
App-->>User: Success
else Login
User->>App: Credentials / SSO
App->>IdP: Authenticate
IdP-->>App: Tokens / session
App-->>User: Access to configuration
end