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test(ai): PerceptionStateMachine locomotion 意图回归测试(绿)

新增 PerceptionStateMachineTests：待机态声明 Idle locomotion 意图、进追逐区
转 Chase 并触发追击能力、Chase 态不再直接声明 locomotion 意图。测试程序集
补 BaseGames.Enemies 引用。断言经真实状态机 + 测试 fake 验证通过。

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Assets/Tests/EditMode/AI/PerceptionStateMachineTests.cs

@@ -0,0 +1,62 @@
+using System.Collections.Generic;
+using NUnit.Framework;
+using BaseGames.AI;
+using BaseGames.Enemies;
+
+namespace BaseGames.Tests.EditMode.AI
+{
+    /// <summary>
+    /// 回归测试：PerceptionStateMachine 的待机/巡逻/警觉声明 locomotion 意图，
+    /// 追击走能力（不直接驱动 locomotion）。转换规则见 spec《敌人感知↔状态》。
+    /// </summary>
+    public class PerceptionStateMachineTests
+    {
+        static AiGraph Graph()
+        {
+            var b = new BrainBuilder();
+            PerceptionStateMachine.Add(b, new PerceptionStateMachine.Config
+            {
+                Idle = "Idle", Patrol = "Patrol", Alert = "Alert", Chase = "Chase",
+                Death = "Death", Entry = "Idle", Rest = "Patrol",
+                IdleMode = LocomotionMode.Idle,
+                PatrolMode = LocomotionMode.Patrol,
+                AlertMode = LocomotionMode.Face,
+                ChaseAbilityId = "chase",
+            });
+            return b.Build();
+        }
+
+        [Test]
+        public void EntryIdleState_SetsIdleLocomotionMode()
+        {
+            var ctx = new FakeAiContext();
+            var rt = new AiRuntime(Graph(), ctx);
+            Assert.AreEqual("Idle", rt.CurrentStateName);
+            Assert.AreEqual(LocomotionMode.Idle, ctx.L.CurrentMode); // 进入待机即声明 Idle 意图
+        }
+
+        [Test]
+        public void InChaseZone_TransitionsToChase_AndTriggersChaseAbility()
+        {
+            var ctx = new FakeAiContext();
+            var rt = new AiRuntime(Graph(), ctx);
+            ctx.S.Chase = true;                 // 进入追逐区
+            rt.Tick(0.1f);
+            Assert.AreEqual("Chase", rt.CurrentStateName);
+            CollectionAssert.Contains(ctx.C.Used, "chase"); // 追击由能力触发
+        }
+
+        [Test]
+        public void ChaseState_DoesNotDeclareLocomotionIntent()
+        {
+            // 追击移动归能力；AI 在 Chase 态不应再声明 SetMode/Approach/Face。
+            var ctx = new FakeAiContext();
+            var rt = new AiRuntime(Graph(), ctx);
+            ctx.S.Chase = true;
+            rt.Tick(0.1f);                      // Idle → Chase（退出 Idle 会调用一次 Stop）
+            int lastStop = ctx.L.Calls.FindLastIndex(s => s == "Stop");
+            var afterEnteringChase = ctx.L.Calls.GetRange(lastStop + 1, ctx.L.Calls.Count - lastStop - 1);
+            CollectionAssert.IsEmpty(afterEnteringChase);
+        }
+    }
+}

Assets/Tests/EditMode/AI/PerceptionStateMachineTests.cs.meta

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+guid: 11d9c7954aefbd84e93387db27268546
+MonoImporter:
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+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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Assets/Tests/EditMode/BaseGames.Tests.EditMode.asmdef

@@ -6,6 +6,7 @@
     "BaseGames.Combat",
     "BaseGames.Core",
     "BaseGames.AI",
+    "BaseGames.Enemies",
     "BaseGames.Core.Events",
     "BaseGames.Core.Save",
     "BaseGames.EventChain",