/**
 * Browser-side gateway store: per-session state snapshots polled from the
 * host plus the floating-window visibility/position controller. Plain
 * module singletons + `useSyncExternalStore`; components never own the
 * polling lifecycle (the last subscriber for a session stops its timer).
 *
 * @module dsh-subagent-codex-plus/client/gateway-store
 */
import type { GatewayApi } from './api.ts';
import type { GatewaySessionView } from '../shared/types.ts';
/** One session's snapshot entry. */
export interface GatewayViewEntry {
    readonly view: GatewaySessionView | null;
    readonly loading: boolean;
    readonly error?: string;
}
/** Set the live API instance (client apply body). */
export declare function setGatewayApi(instance: GatewayApi): void;
/** Subscribe a React component to one session's gateway snapshot. */
export declare function useGatewayView(sessionId: string | undefined): GatewayViewEntry;
/** Force an immediate poll (after an action). */
export declare function refreshGateway(sessionId: string): void;
/** Run one host action, refresh the session view, and return the error text. */
export declare function runGatewayAction(sessionId: string, action: (instance: GatewayApi) => Promise<GatewayActionLike>): Promise<string | undefined>;
/** Structural subset of GatewayActionResponse for the action helper. */
interface GatewayActionLike {
    readonly ok: boolean;
    readonly error?: string;
}
/** Floating-window visibility and position (module singleton). */
export interface PanelState {
    readonly open: boolean;
    readonly x: number;
    readonly y: number;
    /** Whether the user has dragged the window; default anchors to chat top. */
    readonly userMoved: boolean;
}
/** Toggle the floating control window. */
export declare function togglePanel(open?: boolean): void;
/** Move the floating control window (drag). */
export declare function movePanel(x: number, y: number): void;
/** Subscribe to the panel state. */
export declare function usePanelState(): PanelState;
export {};