/**
 * Embedded HTTP server for the Twining dashboard.
 *
 * CRITICAL: Never use console.log or process.stdout in this module.
 * The MCP StdioServerTransport owns stdout exclusively — any writes
 * corrupt the JSON-RPC byte stream.
 */
import http from "node:http";
import { type DashboardDeps } from "./api-routes.js";
/**
 * Create a request handler that routes between API and static files.
 * API routes are checked first, then health check, then static files.
 */
export declare function handleRequest(publicDir: string, projectRoot: string, deps?: DashboardDeps): (req: http.IncomingMessage, res: http.ServerResponse) => void;
/**
 * Start the dashboard HTTP server.
 * Returns the server and actual port, or null if the dashboard is disabled.
 *
 * @param projectRoot - The project root directory (used for API data access)
 * @param deps - Shared store/engine instances from the MCP server; omitted in
 *   standalone mode, in which the API handler constructs its own.
 */
export declare function startDashboard(projectRoot: string, deps?: DashboardDeps): Promise<{
    server: http.Server;
    port: number;
} | null>;
/**
 * Register signal handlers for graceful dashboard shutdown.
 * Closes the HTTP server on SIGTERM/SIGINT with a 3-second force-exit timeout.
 */
export declare function setupDashboardShutdown(httpServer: http.Server): void;
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