锁定桌面文件路径错误响应

桌面文件导出路径转换失败转为稳定不可用响应

桌面文件导入路径转换失败转为稳定不可用响应

桌面壳配置检查禁止暴露原生路径错误

apps/desktop-shell/scripts/check-config.mjs

@@ -1086,6 +1086,20 @@ function assertDesktopDialogBoundary(method, functionName, filterLabel, expected
   if (fileFunctionBody.includes(blockedDialogAction)) {
     throw new Error(`desktop shell ${method} must not use ${blockedDialogAction}`);
   }
+  const unavailableResponse =
+    action === 'save'
+      ? 'Err(_) => return file_export_unavailable_response(request)'
+      : 'Err(_) => return file_import_unavailable_response(request)';
+  if (!fileFunctionBody.includes(unavailableResponse)) {
+    throw new Error(`desktop shell ${method} must hide native path conversion errors`);
+  }
+  if (
+    fileFunctionBody.includes(
+      'return failed(request.id.clone(), "host_error", error.to_string())',
+    )
+  ) {
+    throw new Error(`desktop shell ${method} must not expose native path errors`);
+  }
 }
 
 function assertNoRawHostContextUrl(urlValue, label) {