chore: initial commit

Assets/Scripts/Core/GameServiceRegistrar.cs

@@ -0,0 +1,30 @@
+using UnityEngine;
+using BaseGames.Core.Events;
+
+namespace BaseGames.Core
+{
+    /// <summary>
+    /// 在 Awake 时（最早执行）向 ServiceLocator 注册所有服务。
+    /// 挂载在 Persistent 场景的根 GameObject 上。
+    /// </summary>
+    [DefaultExecutionOrder(-2000)]
+    public class GameServiceRegistrar : MonoBehaviour
+    {
+        [SerializeField] private DeathRespawnService  _deathRespawnService;
+        [SerializeField] private SceneService         _sceneService;
+        [SerializeField] private EventChannelRegistry _eventChannelRegistry;
+
+        private void Awake()
+        {
+            // 注册 NullAudioService 作为兜底；Phase 2 Audio 模块 Awake 后会用真实实现覆盖
+            ServiceLocator.RegisterIfAbsent<IAudioService>(new NullAudioService());
+
+            if (_deathRespawnService)
+                ServiceLocator.Register<IDeathRespawnService>(_deathRespawnService);
+            if (_sceneService)
+                ServiceLocator.Register<ISceneService>(_sceneService);
+            if (_eventChannelRegistry)
+                ServiceLocator.Register<IEventChannelRegistry>(_eventChannelRegistry);
+        }
+    }
+}