refactor: 重构知识库文件上传和处理, 支持 pdf

app/Filament/Resources/DocumentResource/Pages/ViewDocument.php

@@ -34,21 +34,15 @@ class ViewDocument extends ViewRecord
                 ->modalSubmitActionLabel('确认重试')
                 ->action(function () {
                     try {
-                        // 重置转换状态
-                        $this->record->conversion_status = 'pending';
-                        $this->record->conversion_error = null;
-                        $this->record->save();
-                        
-                        // 重新派发转换任务
-                        \App\Jobs\ConvertDocumentToMarkdown::dispatch($this->record);
-                        
+                        app(\App\Services\DocumentConversionService::class)
+                            ->queueConversion($this->record);
+
                         Notification::make()
                             ->success()
                             ->title('重试成功')
                             ->body('文档转换任务已重新加入队列，请稍后查看转换结果。')
                             ->send();
-                            
-                        // 刷新页面数据
+
                         $this->refreshFormData([
                             'conversion_status',
                             'conversion_error',