Function emit_connected 

fn emit_connected(
    event_tx: &UnboundedSender<AgentEvent>,
    client: &Client,
    session_id: &str,
    cwd: &str,
    launch_settings: &SessionLaunchSettings,
    resume_id: Option<&str>,
    config_dir: &Path,
)

Build the typed Connected envelope from the SDK’s cached init data

• the initialize control_response, and emit it onto event_tx.