fix(enemy): Approach 逼近改用 aggro/视野双刷新的 LastKnown(修 aggro 先命中扑向错误点)+补 Attack 退出测试

Assets/Tests/EditMode/AI/PerceptionStateMachineTests.cs

@@ -357,6 +357,33 @@ namespace BaseGames.Tests.EditMode.AI
             Assert.AreEqual("Death", rt.CurrentStateName);
         }
 
+        // 进 Attack 后玩家脱离全部感知区：攻击仍在跑 → 不回 Approach，改判 leftAllZones → Rest(Patrol)。
+        [Test]
+        public void Attack_ToRest_WhenLeftAllZones()
+        {
+            var ctx = new Ctx();
+            var rt = new AiRuntime(GraphApproach(), ctx);
+            ctx.S.Chase = true; rt.Tick(0.1f);          // → Approach
+            ctx.C.Eligible = true; rt.Tick(0.1f);       // → Attack, Running="best"
+            Assert.AreEqual("Attack", rt.CurrentStateName);
+            ctx.S.Chase = false; ctx.S.Vision = false;  // 攻击仍 running，但脱离全部感知
+            rt.Tick(0.1f);
+            Assert.AreEqual("Patrol", rt.CurrentStateName);
+        }
+
+        // 死亡是全局事件，从 Attack 态也能达 Death。
+        [Test]
+        public void ApproachAttack_Death_FromAttack()
+        {
+            var ctx = new Ctx();
+            var rt = new AiRuntime(GraphApproach(), ctx);
+            ctx.S.Chase = true; rt.Tick(0.1f);          // → Approach
+            ctx.C.Eligible = true; rt.Tick(0.1f);       // → Attack
+            Assert.AreEqual("Attack", rt.CurrentStateName);
+            rt.Send(AiSignal.Died); rt.Tick(0.1f);
+            Assert.AreEqual("Death", rt.CurrentStateName);
+        }
+
         // ── 死亡（全局事件，任意态可达）───────────────────────────────────
 
         [Test]

Assets/_Game/Scripts/Enemies/AIBrain/EnemyBrainContext.cs

@@ -26,15 +26,14 @@ namespace BaseGames.Enemies
         /// <summary>每帧由 EnemyAiBrain 在 Tick 之前调用，维护最后已知位置与丢失计时（供需要的敌人用）。</summary>
         public void Refresh(float dt)
         {
-            if (InVisionZone() && _enemy.PlayerTransform != null)
-            {
+            bool vision = InVisionZone();
+            // 追逐区(aggro)或视野内都刷新最后已知位置：Approach 逼近态仅由 aggro 门控进入，
+            // 若只在视野时刷新，aggro 先于视野命中时 Pursue 会拿到 zero/过期点而扑向错误位置。
+            if ((vision || InChaseZone()) && _enemy.PlayerTransform != null)
                 _lastKnown = _enemy.PlayerTransform.position;
-                _lostTimer = 0f;
-            }
-            else
-            {
-                _lostTimer += dt;
-            }
+            // 丢失计时仍以视野为准（LostFor 语义=脱离视野的时长，不受 aggro 影响）。
+            if (vision) _lostTimer = 0f;
+            else        _lostTimer += dt;
         }
 
         /// <summary>对象池复用时清空临时态。</summary>

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

@@ -53,7 +53,7 @@ namespace BaseGames.Enemies.Abilities
                 var c = _candidates[i];
                 if (Eligible(c, hasLOS, grounded)) total += Mathf.Max(0f, c.Weight);
             }
-            if (total <= 0f) return SelectByPriority(hasLOS, grounded); // 权重全 0 → 退化为确定性取首个合格
+            if (total <= 0f) return SelectByPriority(hasLOS, grounded); // 权重全 0 → 退化为按 Priority 选(并列取首个)
             float roll = Random.value * total;
             for (int i = 0; i < _candidates.Count; i++)
             {