fix: 修复文档转换与预览链路中的图片、文件名和错误处理问题

tests/Feature/SwooleQueueCompatibilityTest.php

@@ -141,6 +141,35 @@ class SwooleQueueCompatibilityTest extends TestCase
         $job->handle($conversionService);
     }
 
+    /**
+     * 测试队列任务可以包装底层 Throwable
+     *
+     * @test
+     */
+    public function test_queue_job_wraps_throwables_from_conversion_service()
+    {
+        $user = User::factory()->create();
+        $document = Document::factory()->create([
+            'uploaded_by' => $user->id,
+            'title' => 'Throwable 测试文档',
+            'file_path' => 'throwable-test.docx',
+        ]);
+
+        $conversionService = $this->createMock(DocumentConversionService::class);
+        $conversionService->expects($this->once())
+            ->method('convertToMarkdown')
+            ->willThrowException(new \Error('底层转换错误'));
+
+        $this->app->instance(DocumentConversionService::class, $conversionService);
+
+        $job = new ConvertDocumentToMarkdown($document);
+
+        $this->expectException(\RuntimeException::class);
+        $this->expectExceptionMessage('底层转换错误');
+
+        $job->handle($conversionService);
+    }
+
     /**
      * 测试队列任务的重试机制
      * 
@@ -243,4 +272,4 @@ class SwooleQueueCompatibilityTest extends TestCase
         $jobDocument = $documentProperty->getValue($unserialized);
         $this->assertEquals($document->id, $jobDocument->id);
     }
-}
+}