chore(unity): 固定Unity CLI Loop本地包并移除UnitySkills依赖

Client/Packages/io.github.hatayama.uloopmcp/Editor/Execution/IDynamicCodeExecutionRuntime.cs

@@ -0,0 +1,18 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace io.github.hatayama.uLoopMCP
+{
+    internal interface IDynamicCodeExecutionRuntime
+    {
+        bool SupportsAutoPrewarm();
+
+        Task<ExecutionResult> ExecuteAsync(
+            DynamicCodeExecutionRequest request,
+            CancellationToken cancellationToken = default);
+
+        Task<(bool Entered, ExecutionResult Result)> TryExecuteIfIdleAsync(
+            DynamicCodeExecutionRequest request,
+            CancellationToken cancellationToken = default);
+    }
+}