diff --git a/Assets/_Game/Scripts/AI/IEnemyLocomotion.cs b/Assets/_Game/Scripts/AI/IEnemyLocomotion.cs
new file mode 100644
index 00000000..f68c4c7a
--- /dev/null
+++ b/Assets/_Game/Scripts/AI/IEnemyLocomotion.cs
@@ -0,0 +1,25 @@
+using UnityEngine;
+
+namespace BaseGames.AI
+{
+    /// <summary>移动执行器的行为模式。</summary>
+    public enum LocomotionMode { Idle, Patrol, Face, Approach }
+
+    /// <summary>巡逻策略（Patrol 模式下的具体走法）。</summary>
+    public enum PatrolStrategy { Wander, Pace, Waypoints }
+
+    /// <summary>
+    /// 敌人移动执行器的声明式接口。AI/能力只"声明意图"，执行在实现内部完成
+    /// （AI 不 actuate）。实现见 BaseGames.Enemies.EnemyLocomotion。
+    /// </summary>
+    public interface IEnemyLocomotion
+    {
+        void SetMode(LocomotionMode mode);   // Idle(停) / Patrol(按配置策略游走)
+        void Approach(Transform target);     // 持续跟随，派生 RunSpeed
+        void MoveTo(Vector2 point);          // 一次性目标点
+        void Face(Vector2 lookAt);           // 停 + 朝向
+        void Stop();
+        LocomotionMode CurrentMode { get; }
+        bool IsMoving { get; }
+    }
+}
diff --git a/Assets/_Game/Scripts/AI/IEnemyLocomotion.cs.meta b/Assets/_Game/Scripts/AI/IEnemyLocomotion.cs.meta
new file mode 100644
index 00000000..4af75a58
--- /dev/null
+++ b/Assets/_Game/Scripts/AI/IEnemyLocomotion.cs.meta
@@ -0,0 +1,11 @@
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