v10 全量评审：修复 TD-06 至 TD-12（InputReader 移除资产扫描回退 / EmergencySave 解除 LocalFileStorage 直接依赖 / AccessibilityManager 注册 IAccessibilityService / HUDController HP/SpringIcon SetActive 复用 / MovingPlatform 缓存 WaitForSeconds / RewardSO IRewardTarget 解耦 Quest←Player 依赖 / CrashReporter 频率限制崩溃日志）

Assets/Scripts/Audio/UnderwaterAudioController.cs

@@ -2,26 +2,55 @@
 // 进入 LiquidZone 时切换水下 DSP 处理（Architecture 21_LiquidPuzzleModule §3.4）
 using UnityEngine;
 using UnityEngine.Audio;
+using BaseGames.Core.Events;
+using BaseGames.World.Liquid;
 
 namespace BaseGames.Audio
 {
     /// <summary>
     /// 挂载于 PlayerController 所在 GameObject。
-    /// 由 LiquidZone.OnTriggerEnter2D / OnTriggerExit2D 直接调用。
+    /// 订阅 EVT_LiquidEntered / EVT_LiquidExited 事件频道（与 WaterDangerState、UnderwaterPostProcessingController 一致）。
     /// 切换 AudioMixer Snapshot 以应用/解除水下 DSP 处理。
+    /// 仅响应 Water 类型液体；Acid / Lava 不切换水下音频。
     /// </summary>
     public class UnderwaterAudioController : MonoBehaviour
     {
-        [SerializeField] private AudioMixer _mixer;
-        [SerializeField] private float      _transitionDuration = 0.3f;
+        [SerializeField] private AudioMixer           _mixer;
+        [SerializeField] private float                _transitionDuration = 0.3f;
 
-        /// <summary>玩家进入 Water 类型液体时调用。</summary>
+        [Header("Event Channels")]
+        [SerializeField] private LiquidEventChannelSO _onLiquidEntered;   // EVT_LiquidEntered
+        [SerializeField] private LiquidEventChannelSO _onLiquidExited;    // EVT_LiquidExited
+
+        private readonly CompositeDisposable _subs = new();
+
+        private void OnEnable()
+        {
+            _onLiquidEntered?.Subscribe(OnLiquidEntered).AddTo(_subs);
+            _onLiquidExited?.Subscribe(OnLiquidExited).AddTo(_subs);
+        }
+
+        private void OnDisable() => _subs.Clear();
+
+        private void OnLiquidEntered(LiquidEvent evt)
+        {
+            if (evt.LiquidType == nameof(LiquidType.Water))
+                EnterWater();
+        }
+
+        private void OnLiquidExited(LiquidEvent evt)
+        {
+            if (evt.LiquidType == nameof(LiquidType.Water))
+                ExitWater();
+        }
+
+        /// <summary>切换至水下 AudioMixer Snapshot。</summary>
         public void EnterWater()
         {
             _mixer?.FindSnapshot("Underwater")?.TransitionTo(_transitionDuration);
         }
 
-        /// <summary>玩家离开液体时调用。</summary>
+        /// <summary>切换回默认 AudioMixer Snapshot。</summary>
         public void ExitWater()
         {
             _mixer?.FindSnapshot("Default")?.TransitionTo(_transitionDuration);