refactor(ai): 终审收尾——删死字段/事件转换刷新IsSuspended + 局部事件与双实例独立性测试

Assets/_Game/Scripts/AI/AiRuntime.cs

@@ -54,7 +54,10 @@ namespace BaseGames.AI
             {
                 var sig = _pending.Dequeue();
                 if (TryEventTransition(sig))
-                    return; // 事件触发转换后本帧结束
+                {
+                    IsSuspended = false; // 已推进转换，非挂起
+                    return;
+                }
             }
 
             // 2) IsControllable 让位门：受击/硬直/击飞时挂起，不推进决策也不跑 Tick。

Assets/_Game/Scripts/AI/BrainBuilder.cs

@@ -23,7 +23,7 @@ namespace BaseGames.AI
                 s = new AiState(name);
                 _states[name] = s;
             }
-            return new StateBuilder(this, s);
+            return new StateBuilder(s);
         }
 
         public GlobalBuilder Global() => new GlobalBuilder(this);
@@ -52,9 +52,8 @@ namespace BaseGames.AI
 
         public sealed class StateBuilder
         {
-            readonly BrainBuilder _owner;
             readonly AiState _state;
-            internal StateBuilder(BrainBuilder owner, AiState state) { _owner = owner; _state = state; }
+            internal StateBuilder(AiState state) { _state = state; }
 
             public StateBuilder OnEnter(Action<IAiContext> fn) { _state.OnEnter = fn; return this; }
             public StateBuilder Tick(Action<IAiContext> fn) { _state.OnTick = (c, _) => fn(c); return this; }