feat(enemy): ContactChaseAbility 改造为 RushAbility(冲锋)

- 起手前锁定玩家 X 与方向(committed),终点改为身体整体越过锁定点(Body.HasPassed)
- 终止条件:越过锁定点/撞墙(只判墙)/最大冲刺时长(SO 新增 maxDashDuration)/净位移卡死
- 冲锋期间经 EnemyMoveInput.AllowLedgeCross 放开悬崖夹紧,可冲下崖不悬停边缘
- 类与文件重命名(GUID 保留),脚手架与向导同步更新

Assets/_Game/Scripts/Enemies/EnemyBase.cs

@@ -266,11 +266,20 @@ namespace BaseGames.Enemies
         }
 
         public virtual void MoveInDirectionWithSpeed(float dir, float speed)
+            => MoveInDirectionWithSpeed(dir, speed, false);
+
+        /// <summary>
+        /// 显式速度移动；<paramref name="allowLedgeCross"/> = true 时允许冲出崖沿并自由落体
+        /// （committed 冲锋用，避免被移动层的悬崖夹紧停在边缘）。
+        /// 该许可随移动意图存续，StopMovement() 时自动复位。
+        /// </summary>
+        public virtual void MoveInDirectionWithSpeed(float dir, float speed, bool allowLedgeCross)
         {
             if (_movement == null) return;
-            _movement.PendingInput.MoveDir   = dir;
-            _movement.PendingInput.MoveSpeed = speed;
-            _movement.PendingInput.WantStop  = false; // 移动意图覆盖停止脉冲
+            _movement.PendingInput.MoveDir         = dir;
+            _movement.PendingInput.MoveSpeed       = speed;
+            _movement.PendingInput.AllowLedgeCross = allowLedgeCross;
+            _movement.PendingInput.WantStop        = false; // 移动意图覆盖停止脉冲
         }
 
         public virtual void StopMovement()