feat(ai): BrainGraph 核心程序集 + AiSignal + Blackboard(可自省)

Assets/Tests/EditMode/AI.meta

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Assets/Tests/EditMode/AI/BlackboardTests.cs

@@ -0,0 +1,51 @@
+using NUnit.Framework;
+using UnityEngine;
+using BaseGames.AI;
+
+namespace BaseGames.Tests.EditMode.AI
+{
+    public class BlackboardTests
+    {
+        [Test]
+        public void SetThenGet_ReturnsValue()
+        {
+            var bb = new Blackboard();
+            bb.Set("lastKnown", new Vector2(3f, 4f));
+            Assert.AreEqual(new Vector2(3f, 4f), bb.Get<Vector2>("lastKnown"));
+        }
+
+        [Test]
+        public void Get_MissingKey_ReturnsDefault()
+        {
+            var bb = new Blackboard();
+            Assert.AreEqual(0f, bb.Get<float>("nope"));
+        }
+
+        [Test]
+        public void Keys_EnumeratesAllSetKeys()
+        {
+            var bb = new Blackboard();
+            bb.Set("a", 1);
+            bb.Set("b", 2);
+            CollectionAssert.AreEquivalent(new[] { "a", "b" }, bb.Keys);
+        }
+
+        [Test]
+        public void Clear_RemovesAll()
+        {
+            var bb = new Blackboard();
+            bb.Set("a", 1);
+            bb.Clear();
+            CollectionAssert.IsEmpty(bb.Keys);
+        }
+
+        [Test]
+        public void Snapshot_ReturnsKeyToStringMap_ForIntrospection()
+        {
+            var bb = new Blackboard();
+            bb.Set("hp", 0.5f);
+            var snap = bb.Snapshot();
+            Assert.AreEqual("0.5", snap["hp"]);
+        }
+    }
+}

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

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Assets/Tests/EditMode/BaseGames.Tests.EditMode.asmdef

@@ -5,6 +5,7 @@
     "BaseGames.Combat.StatusEffects",
     "BaseGames.Combat",
     "BaseGames.Core",
+    "BaseGames.AI",
     "BaseGames.Core.Events",
     "BaseGames.Core.Save",
     "BaseGames.EventChain",