fix(ai): E001 追击真正移动+攻击——直接水平爬行 + prefab 补挂 EnemyAiBrain

追击移动从 A* 寻路(MoveTo)改为直接朝玩家水平爬行(MoveInDirectionWithSpeed)：
地面爬行怪不需寻路,且不依赖场景 NavGraph 烘焙(PathBerserker2d 在测试场景失效)。
ENM_CaoZhi prefab 补挂 EnemyAiBrain(_definitionId=E001),使对象池/prefab 生成的敌人也有AI
(此前只有脚手架场景实例有brain)。PlayMode 验证:敌人爬向玩家并接触伤害击杀。

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Assets/_Game/Prefabs/Enemies/E001/ENM_CaoZhi.prefab

@@ -173,6 +173,7 @@ GameObject:
   - component: {fileID: 47111425058439551}
   - component: {fileID: 8798631432003224959}
   - component: {fileID: 3225188436228842581}
+  - component: {fileID: 8800423420238451973}
   m_Layer: 13
   m_Name: ENM_CaoZhi
   m_TagString: Untagged
@@ -500,6 +501,19 @@ MonoBehaviour:
     obstructLayer:
       serializedVersion: 2
       m_Bits: 0
+--- !u!114 &8800423420238451973
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 4060394683168505230}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: d92d657c6bbdfe246a7333e04f79f8f7, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  _definitionId: E001
 --- !u!1 &6141681234124103774
 GameObject:
   m_ObjectHideFlags: 0
@@ -564,7 +578,6 @@ MonoBehaviour:
     _Clip: {fileID: 0}
     _NormalizedStartTime: NaN
   _contactDamage: {fileID: 9135205194319985817}
-  _aggroSlotName: aggro
   references:
     version: 2
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