fix(windows-node): retain adapter schema data

CHANGELOG.md

@@ -8,6 +8,8 @@
 
 ## Unreleased
 
+- Windows Node 接收专业软件任务时不再因适配器契约数据被提前释放而离线，已注册节点可持续接收并校验新任务。
+
 - Origin 绘图新增面积图、堆叠面积图、极坐标图、饼图和堆叠条形图；堆叠类图型改用 Origin 原生多系列分组与累计机制，跨输入数据也会先校验并对齐横坐标。
 
 - Windows Node 不再错误显示 Origin 运行状态中的中文；本机窗口、zcbot 管理页和用户专业软件任务列表会显示 Node、Adapter 及从本机程序读取的 Origin 软件版本。

tests/test_windows_node_source.py

@@ -198,8 +198,13 @@ class WindowsNodeSourceTests(unittest.TestCase):
     def test_job_offer_is_persisted_before_acceptance(self) -> None:
         inbox = (PROJECT / "JobInboxStore.cs").read_text(encoding="utf-8")
         connection = (PROJECT / "NodeConnectionLoop.cs").read_text(encoding="utf-8")
+        adapters = (PROJECT / "NodeAdapters.cs").read_text(encoding="utf-8")
         self.assertIn("adapters.Find(capability)", inbox)
         self.assertIn("adapter.ValidateRequest(request)", inbox)
+        self.assertIn(
+            'JsonSchema.Build(contractRoot.GetProperty("request_schema").Clone())',
+            adapters,
+        )
         self.assertNotIn("IsValidOriginRequest", inbox)
         self.assertNotIn("IsValidPlot", inbox)
         self.assertIn('root.TryGetProperty("input_transfers"', inbox)

windows-node/Zcbot.WindowsNode/NodeAdapters.cs

@@ -89,7 +89,9 @@ internal sealed record AdapterDescriptor(
             .Where(item => ParseVersion(item.Value.GetString() ?? "0.0.0") <= currentVersion)
             .Select(item => item.Name)
             .ToArray();
-        var schema = JsonSchema.Build(contractRoot.GetProperty("request_schema"));
+        // JsonSchema may retain the source element for deferred evaluation.  Give it an
+        // independent backing document before contractDocument is disposed.
+        var schema = JsonSchema.Build(contractRoot.GetProperty("request_schema").Clone());
         var entrypointPath = ResolveFile(root, manifest.Entrypoint);
         if ((manifest.Runtime == "python"
                 && !Path.GetExtension(entrypointPath).Equals(".py", StringComparison.OrdinalIgnoreCase))