/** One daemon per .staves dir. The lockfile says where it is. */
export declare function lockPath(dir: string): string;
export declare function readLock(dir: string): {
    port: number;
    pid: number;
    url: string;
    since: string;
} | null;
export declare function alive(url: string): Promise<boolean>;
/** Find a live daemon for this dir, or start one in the background and wait for it. */
export declare function ensureDaemon(dir: string, preferPort?: number, log?: (s: string) => void): Promise<string>;
/** Run as the daemon: own the store and the page, write the lockfile, exit when told. */
export declare function runDaemon(dir: string, port: number, idleMs?: number): Promise<string>;
/** The web service writes the same lockfile so doctor, open and the MCP clients find it. */
export declare function writeLock(dir: string, url: string): void;
export declare function liveIdle(dir: string, idleMs: number): void;