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>

app/Filament/Resources/Posts/Tables/PostsTable.php

@@ -2,18 +2,18 @@
 
 declare(strict_types=1);
 
-
 namespace App\Filament\Resources\Posts\Tables;
 
+use App\Models\Post;
+use Filament\Actions\Action;
 use Filament\Actions\BulkActionGroup;
 use Filament\Actions\DeleteBulkAction;
 use Filament\Actions\EditAction;
 use Filament\Actions\ViewAction;
-use Filament\Forms\Components\Select;
-use Filament\Tables\Columns\IconColumn;
+use Filament\Support\Enums\Width;
 use Filament\Tables\Columns\TextColumn;
+use Filament\Tables\Enums\FiltersLayout;
 use Filament\Tables\Filters\SelectFilter;
-use Filament\Tables\Filters\TernaryFilter;
 use Filament\Tables\Table;
 
 class PostsTable
@@ -46,9 +46,17 @@ class PostsTable
                         'draft' => 'warning',
                         default => 'gray',
                     }),
-                IconColumn::make('is_sticky')
+                TextColumn::make('sticky_level')
                     ->label('置顶')
-                    ->boolean(),
+                    ->badge()
+                    ->sortable()
+                    ->formatStateUsing(fn ($state) => Post::stickyLevelOptions()[(int) $state] ?? '不置顶')
+                    ->color(fn ($state) => match ((int) $state) {
+                        Post::STICKY_HEADLINE => 'danger',
+                        Post::STICKY_STRONG => 'warning',
+                        Post::STICKY_LIGHT => 'success',
+                        default => 'gray',
+                    }),
                 TextColumn::make('views')
                     ->label('阅读')
                     ->numeric()
@@ -79,12 +87,17 @@ class PostsTable
                         'markdown' => 'Markdown',
                         'html' => 'HTML',
                     ]),
-                TernaryFilter::make('is_sticky')
-                    ->label('置顶'),
-            ], \Filament\Tables\Enums\FiltersLayout::AboveContent)
+                SelectFilter::make('sticky_level')
+                    ->label('置顶')
+                    ->options(Post::stickyLevelOptions()),
+            ], FiltersLayout::AboveContent)
             ->filtersFormColumns(3)
-            ->filtersFormWidth(\Filament\Support\Enums\Width::ThreeExtraLarge)
+            ->filtersFormWidth(Width::ThreeExtraLarge)
             ->recordActions([
+                Action::make('preview')
+                    ->label('预览')
+                    ->url(fn (Post $record): string => $record->url)
+                    ->openUrlInNewTab(),
                 ViewAction::make(),
                 EditAction::make(),
             ])