feat(core): 添加架构阶段的None状态并更新相位转换表

- 在ArchitecturePhase枚举中新增None状态，表示未定义阶段
- 更新PhaseTransitions字典，将None阶段映射到Created阶段
- 为None状态添加XML文档注释说明其用途
- 确保架构相位转换逻辑支持从None到Created的流转

GFramework.Core/architecture/ArchitectureConstants.cs

@@ -8,6 +8,7 @@ public static class ArchitectureConstants
     public static readonly ImmutableDictionary<ArchitecturePhase, ArchitecturePhase[]> PhaseTransitions =
         new Dictionary<ArchitecturePhase, ArchitecturePhase[]>
         {
+            { ArchitecturePhase.None, [ArchitecturePhase.Created] },
             { ArchitecturePhase.Created, [ArchitecturePhase.BeforeInit] },
             { ArchitecturePhase.BeforeInit, [ArchitecturePhase.AfterInit] },
             { ArchitecturePhase.AfterInit, [ArchitecturePhase.BeforeModelInit] },

GFramework.Core/architecture/ArchitecturePhase.cs

@@ -9,7 +9,10 @@
 /// </remarks>
 public enum ArchitecturePhase
 {
-    
+    /// <summary>
+    /// 无效阶段，表示未定义的阶段
+    /// </summary>
+    None = 0,
     /// <summary>
     /// 对象创建阶段，对应 new T() 操作完成后的状态
     /// </summary>