feat: restore sablog browse modes and clean imported HTML

Keep the public site readable after import (nbsp, highlighter, wrapping code, compact pager) and finish the admin extras already in this tree: sticky levels, preview, page cache, and live llms.txt.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/partials/pagination-links.blade.php

@@ -1,13 +1,13 @@
 @if ($paginator->hasPages())
-    <nav class="pagination-links" role="navigation">
-        {{-- Previous --}}
+    <nav class="pagination-links" role="navigation" aria-label="分页">
+        <span class="pagination-info">第 {{ $paginator->currentPage() }} / {{ $paginator->lastPage() }} 页</span>
+
         @if ($paginator->onFirstPage())
-            <span class="disabled">&laquo; 上一页</span>
+            <span class="disabled">&laquo;</span>
         @else
-            <a href="{{ $paginator->previousPageUrl() }}" rel="prev">&laquo; 上一页</a>
+            <a href="{{ $paginator->previousPageUrl() }}" rel="prev">&laquo;</a>
         @endif
 
-        {{-- Numbers --}}
         @foreach ($elements as $element)
             @if (is_string($element))
                 <span class="disabled">{{ $element }}</span>
@@ -23,11 +23,10 @@
             @endif
         @endforeach
 
-        {{-- Next --}}
         @if ($paginator->hasMorePages())
-            <a href="{{ $paginator->nextPageUrl() }}" rel="next">下一页 &raquo;</a>
+            <a href="{{ $paginator->nextPageUrl() }}" rel="next">&raquo;</a>
         @else
-            <span class="disabled">下一页 &raquo;</span>
+            <span class="disabled">&raquo;</span>
         @endif
     </nav>
 @endif