```

chore(bridge): 删除桥接包的提交记录和Git属性配置

删除了 .codely-bridge-commit 文件中存储的提交哈希值
移除了 .gitattributes 文件中的行结束符配置规则
```

.codely.packages/cn.tuanjie.codely.bridge@1.0.85-47f31100/Editor/Bridge/Helpers/PortManager.cs

@@ -0,0 +1,24 @@
+using System.IO;
+using UnityEngine;
+
+namespace UnityTcp.Editor.Helpers
+{
+    // Resolves the handshake file path. Content (unity_port, heartbeat, reason,
+    // ...) is owned entirely by the native heartbeat writer — see
+    // NativeUnityTcpBridgeHost.StartOrAttach.
+    public static class PortManager
+    {
+        private const string RegistryFileName = ".com-unity-codely.json";
+
+        private static string GetRegistryDirectory()
+        {
+            string projectRoot = Directory.GetParent(Application.dataPath)?.FullName ?? Application.dataPath;
+            string tempDir = Path.Combine(projectRoot, "Temp");
+            Directory.CreateDirectory(tempDir);
+            return tempDir;
+        }
+
+        public static string GetRegistryFilePath() =>
+            Path.Combine(GetRegistryDirectory(), RegistryFileName);
+    }
+}