fix(camera): 修复立即切换相机时 CustomBlend 仍生效

Assets/Scripts/Framework/OtherKit/CameraKit.cs

@@ -182,11 +182,15 @@ namespace AibisDream.Framework
             var activeBrain = _orthoCameraBrain;
 
             CinemachineBlendDefinition originalBlend = default;
+            CinemachineBlenderSettings savedCustomBlends = null;
             if (immediate)
             {
                 originalBlend = activeBrain.m_DefaultBlend;
                 activeBrain.m_DefaultBlend = new CinemachineBlendDefinition(
                     CinemachineBlendDefinition.Style.Cut, 0f);
+                // Custom Blends 会覆盖 DefaultBlend；immediate 时必须临时禁用，否则仍走 1s 缓动。
+                savedCustomBlends = activeBrain.m_CustomBlends;
+                activeBrain.m_CustomBlends = null;
             }
 
             _virtualCameraDict.TryGetValue(_curCameraEnum, out var fromVCam);
@@ -205,8 +209,14 @@ namespace AibisDream.Framework
             if (immediate)
             {
                 ResetVirCam(lastCamEnum);
+                activeBrain.ManualUpdate();
                 var blend = originalBlend;
-                ActionKit.Delay(0f, () => activeBrain.m_DefaultBlend = blend).StartGlobal();
+                var customBlends = savedCustomBlends;
+                ActionKit.DelayFrame(2, () =>
+                {
+                    activeBrain.m_DefaultBlend = blend;
+                    activeBrain.m_CustomBlends = customBlends;
+                }).StartGlobal();
                 return 0f;
             }