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

Client/Packages/io.github.hatayama.uloopmcp/Editor/Api/McpTools/Debug/SleepTool.cs

@@ -0,0 +1,45 @@
+using System.Threading.Tasks;
+using System.Threading;
+
+namespace io.github.hatayama.uLoopMCP
+{
+    /// <summary>
+    /// Debug tool that sleeps for specified duration to test timeout functionality
+    /// Related classes:
+    /// - SleepSchema: Input parameters including sleep duration and timeout
+    /// - SleepResponse: Output containing results and timing information
+    /// - AbstractUnityTool: Base class providing timeout infrastructure
+    /// </summary>
+    [McpTool(
+        DisplayDevelopmentOnly = true,
+        Description = "Debug tool that sleeps for specified duration to test timeout functionality"
+    )]
+    public class SleepTool : AbstractUnityTool<SleepSchema, SleepResponse>
+    {
+        public override string ToolName => "debug-sleep";
+        
+        protected override async Task<SleepResponse> ExecuteAsync(SleepSchema parameters, CancellationToken cancellationToken)
+        {
+            int actualSleepSeconds = 0;
+            
+            // Sleep 1 second at a time, checking for cancellation between each sleep
+            for (int i = 0; i < parameters.SleepSeconds; i++)
+            {
+                // Check for cancellation before each sleep iteration
+                cancellationToken.ThrowIfCancellationRequested();
+                
+                // Sleep for 1 second with cancellation support
+                await Task.Delay(1000, cancellationToken);
+                
+                actualSleepSeconds = i + 1;
+            }
+            
+            return new SleepResponse
+            {
+                Message = $"Successfully slept for {actualSleepSeconds} seconds",
+                ActualSleepSeconds = actualSleepSeconds,
+                WasCancelled = false
+            };
+        }
+    }
+}