Function makeConnectionKey

src/node/runtime/sshConnectionPool.ts:645–656

* Generate stable key from config. * Identical configs produce identical keys. * Includes local username to prevent cross-user socket collisions.

(config: SSHConnectionConfig)

 * Includes local username to prevent cross-user socket collisions.
 */
function makeConnectionKey(config: SSHConnectionConfig): string {
  // Note: srcBaseDir is intentionally excluded - connection identity is determined
  // by user + host + port + key. This allows health tracking and multiplexing
  // to be shared across workspaces on the same host.
  const parts = [
    os.userInfo().username, // Include local user to prevent cross-user collisions
    config.host,
    config.port?.toString() ?? "22",
    config.identityFile ?? "default",
  ];
  return parts.join(":");
}

/**
 * Generate deterministic hash for controlPath naming.