多轮审查和修复

Assets/Scripts/Progression/Achievement/TimedBossKillCondition.cs

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+using UnityEngine;
+using BaseGames.Core.Save;
+
+namespace BaseGames.Progression
+{
+    /// <summary>在指定时间内击败 Boss 的成就条件（使用 ChallengeRooms.Records 的 BestTime）。</summary>
+    [CreateAssetMenu(menuName = "Achievement/Condition/TimedBossKill", fileName = "COND_TimedBossKill_")]
+    public class TimedBossKillCondition : AchievementCondition
+    {
+        [Tooltip("Boss 的 ChallengeRoom 记录 ID（与 ChallengeRoomRecord key 匹配）")]
+        public string bossRoomId;
+
+        [Tooltip("需要在此秒数内完成击败（含）")]
+        public float maxSeconds = 60f;
+
+        public override bool IsMet(SaveData save)
+        {
+            if (save?.ChallengeRooms?.Records == null) return false;
+            if (!save.ChallengeRooms.Records.TryGetValue(bossRoomId, out var record)) return false;
+            return record.BestTime > 0f && record.BestTime <= maxSeconds;
+        }
+    }
+}