/**
 * NodeBench MCP — Operating Dashboard Server (Phase 10/11)
 *
 * Serves the ambient intelligence dashboard at port 6276 showing:
 *   1. Session Delta ("Since Your Last Session")
 *   2. Trajectory Scores (sparkline + dimensions)
 *   3. Event Ledger (causal events)
 *   4. Important Changes (with resolution)
 *   5. Path Replay (session navigation)
 *   6. Time Rollups (day/week/month/quarter/year)
 *   7. Packet Readiness (staleness tracking)
 *   8. Recent Actions (from tracking tools)
 *
 * All data from local SQLite (~/.nodebench/nodebench.db).
 * Zero external dependency at runtime — works fully offline.
 */
import type Database from "better-sqlite3";
/** Start the operating dashboard server. Returns the port. */
export declare function startOperatingDashboardServer(db: Database.Database, preferredPort?: number): Promise<number>;
/** Stop the operating dashboard server. */
export declare function stopOperatingDashboardServer(): void;
/** Get the current operating dashboard URL. */
export declare function getOperatingDashboardUrl(): string | null;
