/**
 * Reads the session token from sessionStorage.
 * The token is written there by the login page JS after a successful POST /login.
 * Falls back to a cookie-based approach via the server's login form
 * (sessionStorage is cleared on tab close; the server cookie persists the session).
 */
export declare function useAuth(basePath: string): {
    token: string;
    hasAuth: boolean;
};
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