/**
 * Error codes the Ed25519 admin auth flow can surface to the UI. Each maps to
 * a dedicated screen rather than a generic toast, because the recovery
 * action differs per code (re-login vs. retry vs. wait).
 */
export type AuthErrorCode = 'session-expired' | 'invalid-signature' | 'unauthorized' | 'forbidden' | 'backend-unavailable';
export interface AuthError {
    code: AuthErrorCode;
    message: string;
    /** HTTP status that produced this error, when known (absent for client-side errors, e.g. no Ed25519 support). */
    status?: number;
}
export declare function authErrorCodeFromBackendCode(code: unknown): AuthErrorCode | undefined;
/** Maps a backend HTTP status to the AuthErrorCode screen it should route to. */
export declare function authErrorCodeFromStatus(status: number): AuthErrorCode;