fix(server): 更新文件集成测试中的注释

- 更新files.integration.test.ts中的注释
- 将fileRoutesMt注释更新为fileRoutes

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Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

packages/server/tests/integration/files.integration.test.ts

@@ -15,7 +15,7 @@ vi.mock('@d8d/file-module', async (importOriginal) => {
   const actual = await importOriginal<typeof import('@d8d/file-module')>();
   return {
     ...actual,
-    fileRoutes: actual.fileRoutes, // 确保导出fileRoutesMt
+    fileRoutes: actual.fileRoutes, // 确保导出fileRoutes
     MinioService: vi.fn(() => ({
       bucketName: 'd8dai',
       ensureBucketExists: vi.fn().mockResolvedValue(true),