多轮审查和修复

Assets/Scripts/Player/SkillManager.cs

@@ -1,7 +1,2 @@
-using UnityEngine;
-
-namespace BaseGames.Player
-{
-    /// <summary>技能管理器。Phase 1 桩 — Phase 2 实现。</summary>
-    public class SkillManager : MonoBehaviour { }
-}
+// SkillManager 定义位于 Assets/Scripts/Skills/SkillManager.cs (BaseGames.Skills)。
+namespace BaseGames.Player { }