多轮审查和修复

Assets/Scripts/Progression/BossProgressTracker.cs

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+using UnityEngine;
+using BaseGames.Core.Events;
+
+namespace BaseGames.Progression
+{
+    /// <summary>
+    /// Boss 进程追踪器（架构 09_ProgressionModule §13）。
+    /// 挂载在 Boss 房间的 BossTrigger 同一对象上。
+    /// 监听 _onBossDefeated 事件，路由到 SaveSystem 专用频道（零耦合）。
+    /// </summary>
+    public class BossProgressTracker : MonoBehaviour
+    {
+        [SerializeField] private string   _bossId;                   // 如 "Boss_SpiderGuard"
+        [SerializeField] private string[] _unlocksProgressLockIds;   // 击败后应解锁的 ProgressLock ID（预留）
+
+        [Header("Event Channels")]
+        [SerializeField] private StringEventChannelSO _onBossDefeated;        // 监听（来自 BossCombat）
+        [SerializeField] private StringEventChannelSO _onBossDefeatedForSave; // 广播 → SaveSystem
+
+        private readonly CompositeDisposable _subs = new();
+
+        private void OnEnable()  => _onBossDefeated?.Subscribe(OnBossDefeated).AddTo(_subs);
+        private void OnDisable() => _subs.Clear();
+
+        private void OnBossDefeated(string bossId)
+        {
+            if (bossId != _bossId) return;
+
+            // 通过事件频道通知 SaveSystem（SaveSystem 负责写入 data.World.DefeatedBossIds）
+            _onBossDefeatedForSave?.Raise(bossId);
+        }
+    }
+}