Add prototype gameplay loop with character/battlefield assets and server game APIs.

Co-authored-by: Cursor <cursoragent@cursor.com>

AIClient/Assets/HotUpdate/Scripts/CharacterSpawner.cs

@@ -6,12 +6,12 @@ using YooAsset;
 namespace HotUpdate
 {
     /// <summary>
-    /// M3：加载示例角色 MaleExplorer 进场景。
+    /// 加载人物角色 CaoCao 进广场（地址 CaoCao）。
     /// </summary>
     public sealed class CharacterSpawner : MonoBehaviour
     {
-        public const string PrefabAddress = "MaleExplorer";
-        public const string EditorPrefabPath = "Assets/Bundles/Characters/MaleExplorer/MaleExplorer.prefab";
+        public const string PrefabAddress = "CaoCao";
+        public const string EditorPrefabPath = "Assets/Bundles/Characters/Human/CaoCao/CaoCao.prefab";
         public const string ArtPackageName = "Art";
 
         BootContext _ctx;
@@ -58,7 +58,7 @@ namespace HotUpdate
 
             if (prefab == null)
             {
-                Debug.LogError("[CharacterSpawner] MaleExplorer prefab not found");
+                Debug.LogError("[CharacterSpawner] CaoCao prefab not found");
                 yield break;
             }
 
@@ -66,7 +66,7 @@ namespace HotUpdate
                 Destroy(_instance);
 
             _instance = Instantiate(prefab);
-            _instance.name = "MaleExplorer_Runtime";
+            _instance.name = "CaoCao_Runtime";
             var plaza = GameObject.Find("TownSquare_Runtime");
             var y = GroundSit.Height(Vector3.zero, plaza != null ? plaza.transform : null);
             _instance.transform.position = new Vector3(0f, y, 0f);