feat(Architecture): 添加架构就绪状态等待功能

- 新增 `_readyTcs` 字段用于跟踪架构初始化状态
- 添加 `IsReady` 属性检查当前架构是否已就绪
- 在架构进入 Ready 阶段时释放 Ready await
- 实现 `WaitUntilReadyAsync()` 方法支持异步等待架构初始化完成
- [skip ci]

GFramework.Core/architecture/Architecture.cs

@@ -86,7 +86,9 @@ public abstract class Architecture(
     #endregion
 
     #region Fields
+    private readonly TaskCompletionSource _readyTcs = new(TaskCreationOptions.RunContinuationsAsynchronously);
 
+    public bool IsReady => CurrentPhase == ArchitecturePhase.Ready;
     /// <summary>
     ///     待初始化组件的去重集合
     /// </summary>
@@ -553,9 +555,18 @@ public abstract class Architecture(
 
         _mInitialized = true;
         EnterPhase(ArchitecturePhase.Ready);
-
+        // 🔥 释放 Ready await
+        _readyTcs.TrySetResult();
+        
         _logger.Info($"Architecture {GetType().Name} is ready - all components initialized");
     }
-
+    
+    /// <summary>
+    /// 等待架构初始化完成（Ready 阶段）
+    /// </summary>
+    public Task WaitUntilReadyAsync()
+    {
+        return IsReady ? Task.CompletedTask : _readyTcs.Task;
+    }
     #endregion
 }