/**
 * Filesystem paths for the tmux integration.
 *
 * Layout under ~/.agents/.cache/helpers/tmux/:
 *   server.sock        — shared tmux server socket hosting all named sessions
 *   <name>.json        — per-session provenance (cmd, cwd, created_at, source)
 *
 * A single shared server is simpler than per-session sockets: one round-trip
 * for `tmux ls`, one place to clean up, and no extra tmux servers eating
 * memory. Per-session isolation can still be opted into via `--socket`.
 */
/** Default shared server socket — every `agents tmux *` command targets this unless overridden. */
export declare function getDefaultSocketPath(): string;
/** Per-session provenance JSON. tmux itself is the source of truth for liveness; this file is metadata only. */
export declare function getSessionMetaPath(name: string): string;
/** Ensure the tmux scratch dir exists with restrictive permissions (sockets are user-private). */
export declare function ensureTmuxDir(): string;
