refactor(ai): Chase 走 Locomotion.Approach；删除 Idle/Patrol/Alert 协程能力与 SO

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

Assets/_Game/Data/Enemies/E001/Abilities/ABL_E001_Alert.asset

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-  m_Name: ABL_E001_Alert
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Assets/_Game/Data/Enemies/E001/Abilities/ABL_E001_Idle.asset

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Assets/_Game/Data/Enemies/E001/Abilities/ABL_E001_Patrol.asset

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-  m_Name: ABL_E001_Patrol
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Assets/_Game/Scripts/Editor/Scene/SceneObjectPlacerTool.cs

@@ -488,14 +488,8 @@ namespace BaseGames.Editor
             BodyContactDamage bodyContact = GetOrAddComponent<BodyContactDamage>(contactT.gameObject);
             bodyContact.enabled = false; // 伪装/待机期不伤人；由 e001_chase 能力在追击期开启
 
-            // Model A：每个 AI 状态 = 一个行为能力（AI 只决策触发哪个 id，行为在能力里实现）
+            // Model A：AI 只决策触发哪个能力（Idle/Patrol/Alert 已改为纯移动意图，由 EnemyLocomotion 执行，无需挂能力组件）
             Transform abilitiesT = GetOrCreateChild(go.transform, "Abilities");
-            Transform idleT      = GetOrCreateChild(abilitiesT, "IdleAbility_Idle");
-            IdleAbility idleAbility = GetOrAddComponent<IdleAbility>(idleT.gameObject);
-            Transform patrolT    = GetOrCreateChild(abilitiesT, "PatrolAbility_Patrol");
-            PatrolAbility patrolAbility = GetOrAddComponent<PatrolAbility>(patrolT.gameObject);
-            Transform alertT     = GetOrCreateChild(abilitiesT, "AlertAbility_Alert");
-            AlertAbility alertAbility = GetOrAddComponent<AlertAbility>(alertT.gameObject);
             Transform chaseT     = GetOrCreateChild(abilitiesT, "ContactChaseAbility_Chase");
             ContactChaseAbility chaseAbility = GetOrAddComponent<ContactChaseAbility>(chaseT.gameObject);
 
@@ -523,9 +517,6 @@ namespace BaseGames.Editor
                 new[] { "Platform", "OneWayPlatform", "MovingOneWayPlatform", "MidHeightOneWayPlatform" },
                 report);
 
-            AssignAsset(idleAbility,  "_config",     report, false, "ABL_E001_Idle");
-            AssignAsset(patrolAbility, "_config",    report, false, "ABL_E001_Patrol");
-            AssignAsset(alertAbility, "_config",     report, false, "ABL_E001_Alert");
             AssignAsset(chaseAbility, "_config",     report, false, "ABL_E001_Chase");
             AssignReference(chaseAbility, "_contactDamage", bodyContact, report);
 

Assets/_Game/Scripts/Enemies/Abilities/AlertAbility.cs

@@ -1,32 +0,0 @@
-using System.Collections;
-using Animancer;
-using UnityEngine;
-
-namespace BaseGames.Enemies.Abilities
-{
-    /// <summary>
-    /// 警觉行为能力：停下 + 朝向玩家 + Alert 阶段(播警觉动画/feedback)。持续朝向玩家直到被打断。
-    /// "警觉态朝向角色"等行为归本能力，AI 只在进入警觉状态时触发。
-    /// </summary>
-    public class AlertAbility : EnemyAbilityBase
-    {
-        [Header("警觉动画(可选，留空则用 AnimConfig.Alert 阶段动画)")]
-        [SerializeField] private ClipTransition _alertClip;
-
-        protected override IEnumerator ExecuteCoroutine()
-        {
-            Phase = AbilityRunState.Active;
-            _enemy.SetAiPhase(AiPhase.Alert);        // 阶段动画 + 广播(供群体警戒等)
-            if (_alertClip.Clip != null)
-                _animancer.Play(_alertClip);
-
-            while (true)
-            {
-                _enemy.StopMovement();               // 保持静止
-                if (_enemy.PlayerTransform != null)
-                    _enemy.FaceTarget(_enemy.PlayerTransform.position); // 朝向玩家
-                yield return null;
-            }
-        }
-    }
-}

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Assets/_Game/Scripts/Enemies/Abilities/ContactChaseAbility.cs

@@ -36,11 +36,9 @@ namespace BaseGames.Enemies.Abilities
 
             // 追击直到玩家消失或被 AI 中断（退出追击的决策归 AI，见 EnemyBrainContext.InterruptAbilities）。
             // 小怪走 nav 寻路（EnemyBase.MoveTo → 导航），寻路正确性依赖脚手架把碰撞体底部对齐 y=0。
+            _enemy.Locomotion?.Approach(_enemy.PlayerTransform);
             while (_enemy.PlayerTransform != null)
-            {
-                _enemy.MoveTo(_enemy.PlayerTransform.position);
                 yield return null;
-            }
 
             CleanupChase();
 
@@ -57,7 +55,7 @@ namespace BaseGames.Enemies.Abilities
         {
             if (_contactDamage != null)
                 _contactDamage.enabled = false;
-            _enemy.StopMovement();
+            _enemy.Locomotion?.Stop();
         }
     }
 }

Assets/_Game/Scripts/Enemies/Abilities/IdleAbility.cs

@@ -1,20 +0,0 @@
-using System.Collections;
-
-namespace BaseGames.Enemies.Abilities
-{
-    /// <summary>
-    /// 待机行为能力：停下 + 声明 Idle 阶段（播 Idle/伪装动画）。保持到被 AI 切换状态时打断。
-    /// 由 AI 决策层在进入待机状态时触发（AI 只决策，行为在此实现）。
-    /// </summary>
-    public class IdleAbility : EnemyAbilityBase
-    {
-        protected override IEnumerator ExecuteCoroutine()
-        {
-            Phase = AbilityRunState.Active;
-            _enemy.StopMovement();
-            _enemy.SetAiPhase(AiPhase.Idle);
-            while (true)          // 保持待机（占用运行态）直到被打断
-                yield return null;
-        }
-    }
-}

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Assets/_Game/Scripts/Enemies/Abilities/PatrolAbility.cs

@@ -1,32 +0,0 @@
-using System.Collections;
-
-namespace BaseGames.Enemies.Abilities
-{
-    /// <summary>
-    /// 巡逻行为能力：巡逻速度 + Patrol 阶段(播 Walk 动画) + 经导航随机游走。保持到被打断。
-    /// 移动执行归本能力，AI 只在进入巡逻状态时触发。
-    /// </summary>
-    public class PatrolAbility : EnemyAbilityBase
-    {
-        protected override IEnumerator ExecuteCoroutine()
-        {
-            Phase = AbilityRunState.Active;
-            _enemy.SetAiPhase(AiPhase.Patrol);
-            var nav = _enemy.Nav;
-            if (nav != null && _enemy.Stats != null)
-                nav.SetSpeed(_enemy.Stats.WalkSpeed);
-
-            while (true)
-            {
-                if (nav != null && !nav.IsMoving)
-                    nav.WalkToRandom();   // 到达后再选一个随机可达点，持续游走
-                yield return null;
-            }
-        }
-
-        protected override void OnInterrupted(InterruptReason reason)
-        {
-            _enemy.Nav?.StopNavigation(); // 退出巡逻时清除残留游走目标
-        }
-    }
-}

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