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>

database/migrations/2026_09_18_210000_add_sticky_level_to_posts_table.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        if (! Schema::hasColumn('posts', 'sticky_level')) {
+            Schema::table('posts', function (Blueprint $table) {
+                $table->unsignedTinyInteger('sticky_level')->default(0)->after('is_sticky');
+            });
+        }
+
+        DB::table('posts')->where('is_sticky', true)->where('sticky_level', 0)->update(['sticky_level' => 1]);
+    }
+
+    public function down(): void
+    {
+        if (Schema::hasColumn('posts', 'sticky_level')) {
+            Schema::table('posts', function (Blueprint $table) {
+                $table->dropColumn('sticky_level');
+            });
+        }
+    }
+};

database/schema/mysql-schema.sql

@@ -392,6 +392,7 @@ CREATE TABLE `posts` (
   `cover_media_id` bigint unsigned DEFAULT NULL,
   `status` varchar(20) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT 'published',
   `is_sticky` tinyint(1) NOT NULL DEFAULT '0',
+  `sticky_level` tinyint unsigned NOT NULL DEFAULT '0',
   `close_comment` tinyint(1) NOT NULL DEFAULT '0',
   `read_password` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
   `views` bigint unsigned NOT NULL DEFAULT '0',
@@ -580,3 +581,4 @@ INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (22,'2026_08_15_000
 INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (23,'2026_08_15_000004_add_custom_properties_to_media_library_table',2);
 INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (24,'2026_09_16_000001_add_cover_media_id_to_posts_and_categories',2);
 INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (25,'2026_09_16_000002_seed_default_media_folders',2);
+INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (26,'2026_09_18_210000_add_sticky_level_to_posts_table',3);

database/seeders/DatabaseSeeder.php

@@ -33,6 +33,7 @@ class DatabaseSeeder extends Seeder
             'site_description' => config('blog.description'),
             'site_icp' => config('blog.icp'),
             'active_theme' => 'sablog',
+            'home_view_mode' => 'list',
             'comment_audit' => '0',
             'comment_min_len' => (string) config('blog.comment_min_len'),
             'comment_max_len' => (string) config('blog.comment_max_len'),