ServerMessage: | { info: ProcessSessionInfo; type: "session_created"; } | { data: string; session_id: string; type: "session_output"; } | { previous_state: ProcessState; recent_output: string; session_id: string; session_name: string; state: ProcessState; type: "session_state_change"; } | { exit_code: number | null; session_id: string; type: "session_ended"; } | { sessions: ProcessSessionInfo[]; type: "session_list"; } | { status: ProcessSessionInfo & { recent_output: string; }; type: "session_status"; } | { cols: number; rows: number; session_id: string; type: "session_resized"; } | { error: string; type: "error"; }