feat: 增强存档管理和成就系统，添加事件通知以支持凹槽成就的动态更新

Assets/_Game/Scripts/Progression/AchievementManager.cs

@@ -29,9 +29,11 @@ namespace BaseGames.Progression
         [Header("事件频道")]
         [SerializeField] private AchievementEventChannelSO _onAchievementUnlocked;
 
+        [Tooltip("成就授予凹槽时发布；EquipmentManager 订阅后调用 IncreaseNotches(1)。")]
+        [SerializeField] private VoidEventChannelSO _onNotchGranted;
+
         // ── 运行时状态 ─────────────────────────────────────────────────────────
         private readonly Dictionary<string, AchievementRuntimeState> _states = new();
-        private SaveData _saveRef;
 
 
         private void Awake()
@@ -104,7 +106,6 @@ namespace BaseGames.Progression
         /// </summary>
         public void EvaluateAll(SaveData save)
         {
-            _saveRef = save;
             foreach (var state in _states.Values)
             {
                 if (state.IsUnlocked) continue;
@@ -151,11 +152,10 @@ namespace BaseGames.Progression
             ServiceLocator.Get<IPlatformService>()?.UnlockAchievement(state.Achievement.achievementId);
 #endif
 
-            // 若成就授予凹槽，写入存档数值
-            if (state.Achievement.grantsNotch && _saveRef != null)
-            {
-                _saveRef.Equipment.MaxNotches++;
-            }
+            // 若成就授予凹槽，通过事件通知 EquipmentManager 更新运行时状态；
+            // 不直接写 SaveData，避免与 EquipmentManager.OnSave 的数据竞争。
+            if (state.Achievement.grantsNotch)
+                _onNotchGranted?.Raise();
 
             Debug.Log($"[Achievement] 解锁：{state.Achievement.displayName} ({state.Achievement.achievementId})");
         }