/**
 * Dashboard Server
 *
 * Lightweight HTTP + WebSocket server for the web overlay.
 * Serves JSON data from getDashboardData() and pushes real-time updates.
 * Includes SSE endpoint for live event streaming.
 */
export interface DashboardServerOptions {
    port?: number;
    host?: string;
    updateIntervalMs?: number;
}
export declare function startDashboardServer(options?: DashboardServerOptions): {
    close: () => void;
};
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