/**
 * Whether the AI chat panel occupies the right-hand inspector rail. A module singleton because
 * the toggle (`puck-css`'s header) and the panel (`p1-ai-chat`) live in different packages, with
 * no shared React tree to lift this state into.
 *
 * Closing collapses the right rail again when opening the panel is what revealed it.
 */
export declare const aiPanelStore: {
    isOpen: () => boolean;
    open: () => void;
    close: () => void;
    toggle: () => void;
    subscribe: (listener: () => void) => (() => void);
};
/** Subscribe to {@link aiPanelStore}. Always closed on the server. */
export declare function useAIPanelOpen(): boolean;