需求：开发一个类似于 `\CUSLibraryDelayedUntil` 的命令 about cus HOT 5 CLOSED

\documentclass{ctexart}
\usepackage{etoolbox}
\AddToHook{package/hyperref/after}{\hypersetup{hidelinks}}
\AtEndPreamble
  {
    \RequirePackage{hyperref}
  }

\begin{document}

\tableofcontents

\section{test}
test

\end{document}

\AtEndPreamble
  {
    \AddToHook { package / hyperref / after }
      { \hypersetup { allcolors = black } }
    \RequirePackage { hyperref }
    \hypersetup
      { 
        pdfencoding = auto,
        citecolor   = magenta,
        linkcolor   = blue,
        hidelinks
      }
  }

\AtEndPreamble
  {
    \RequirePackage { hyperref }
    \hypersetup
      { 
        pdfencoding = auto,
        citecolor   = magenta,
        linkcolor   = blue,
        hidelinks
      }
    \AddToHook { package / hyperref / after }
      { \hypersetup { allcolors = black } }
  }

\AtEndPreamble
  {
    \RequirePackage { hyperref }
    \hypersetup { allcolors = black }
    \hypersetup
      { 
        pdfencoding = auto,
        citecolor   = magenta,
        linkcolor   = blue,
        hidelinks
      }
  }

\AtEndPreamble
  {
    \RequirePackage { hyperref }
    \hypersetup
      { 
        pdfencoding = auto,
        citecolor   = magenta,
        linkcolor   = blue,
        hidelinks
      }
  }

% -------- %
% 超链接设置 %
% -------- %
\AtEndPreamble
  {
    \RequirePackage { hyperref }
    \hypersetup
      { 
        pdfencoding = auto,
        citecolor   = magenta,
        linkcolor   = blue,
        hidelinks
      }
  }



% ----------------- %
% 不同文档类型下的设置 %
% ----------------- %
\cs_set:Nn \__whu_type_for_print_additional_setting: 
  {
    \AtEndPreamble { \hypersetup { allcolors = black } }
  }
\cs_set:Nn \__whu_type_for_library_additional_setting: 
  {
    \AtEndPreamble { \hypersetup { allcolors = black } }
  }

\seq_put_right:Nx \l_file_search_path_seq { ./module }
\seq_put_right:Nx \l_file_search_path_seq { ./library }
\seq_put_right:Nx \l_file_search_path_seq { ./library-cus }
\RequirePackage { whu }

\PassOptionsToClass{ \g__whu_to_book_clist }{ book }
\LoadClass { book }

\str_case:Vn \g__whu_type_str
  {
    { electronic } { \__whu_type_electronic_setting: }
    { for-print } { \__whu_type_for_print_setting: }
    { for-library } { \__whu_type_for_library_setting: }
  }

\str_case:Vn \g__whu_type_str
  {
    { electronic } { \__whu_type_electronic_setting: }
    { for-print } { \__whu_type_for_print_setting: }
    { for-library } { \__whu_type_for_library_setting: }
  }

\cs_set:Nn \__whu_type_for_print_additional_setting: 
  {
    \AtEndPreamble { \hypersetup { allcolors = black } }
  }
\cs_set:Nn \__whu_type_for_library_additional_setting: 
  {
    \AtEndPreamble { \hypersetup { allcolors = black } }
  }

\AtEndPreamble
  {
    \RequirePackage { hyperref }
    \hypersetup
      { 
        pdfencoding = auto,
        citecolor   = magenta,
        linkcolor   = blue,
        hidelinks
      }
  }