/**
 * AiDex Viewer - Local HTTP Server with WebSocket
 * Opens an interactive project tree in the browser
 *
 * Features:
 * - Tab-based navigation (Code/All files, Overview/Code view)
 * - Session change indicators (modified/new files)
 * - Syntax highlighting with highlight.js
 */
export declare function startViewer(projectPath: string, initialTab?: string, options?: {
    exitOnLastClientClose?: boolean;
}): Promise<string>;
/**
 * Request that the viewer focus a tab. Works whether the viewer is in the
 * same Node process or in a different one — state lives in global.db.
 * Browsers pick it up via the `pollPendingFocus` WS message on connect.
 */
export declare function broadcastFocusTab(tab: string): void;
export declare function broadcastTaskUpdate(): void;
export declare function broadcastLogEntry(entry: import('../loghub/log-types.js').LogEntry): void;
/**
 * Broadcast a single debug-dashboard widget update. Same backpressure guard as
 * the log path — plot widgets can fire at audio rates, so a slow client must
 * not be allowed to back up ws's internal send-queue.
 */
export declare function broadcastPanelUpdate(widget: import('../loghub/panel-types.js').PanelWidget): void;
/** Broadcast a widget removal (id) or full dashboard clear (no id). */
export declare function broadcastPanelClear(id?: string): void;
export declare function stopViewer(): string;
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