feat: Round 48 narrative systems improvements

- QuestSO: Add ValidateBranchCycles() DFS detection for branches[].nextQuest loop
- QuestSO: Mark three legacy prerequisite fields with v2.0 removal warning in Tooltip
- IQuestManager: Add QuestLockReason enum + QuestLockInfo struct (strongly-typed lock info)
- IQuestManager: Add GetQuestLockInfo() method to interface; GetQuestLockReason() now delegates to it
- IQuestEventSource: Add OnQuestStateChanged(questId, oldState, newState) unified event
- QuestManager: Implement GetQuestLockInfo(); fire OnQuestStateChanged on all state transitions
- DialogueManager: Add one-frame yield in HandleChoices before ShowChoices (skip-debounce fix)
- DialogueManager: Increment _playbackId in ForceEnd() to invalidate residual choice callbacks
- DialogueSequenceSO: Add UNITY_EDITOR debug log in TryGetActiveVariant on variant match
- WorldStateRegistry: Add OnBatchStateChanged event + BatchMark() batch-write API
- DialogueModule: List badge shows warning indicator for unconditional-shadowing variants
- DialogueModule: BuildVariantsCard shows logic mode (AND/OR) alongside flag conditions

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Assets/_Game/Scripts/Quest/QuestEventChannelRegistry.cs

@@ -0,0 +1,61 @@
+using BaseGames.Core.Events;
+using UnityEngine;
+
+namespace BaseGames.Quest
+{
+    /// <summary>
+    /// 任务事件频道注册表 SO（架构 22_QuestChallengeModule §4.1）。
+    /// 将 QuestManager 的 10+ 个分散事件频道字段集中到一个可复用的 ScriptableObject 中，
+    /// 便于多场景共享同一套频道配置，同时减少 QuestManager Inspector 的视觉复杂度。
+    ///
+    /// 使用方式：
+    ///   1. 创建一个 QuestEventChannelRegistry 资产（菜单：BaseGames/Quest/EventChannelRegistry）。
+    ///   2. 在资产中将现有各 EventChannelSO 拖入对应字段。
+    ///   3. 将资产引用填入 QuestManager 的 "事件频道注册表" 字段。
+    ///   4. QuestManager 的独立频道字段将自动隐藏（通过注册表覆盖）。
+    /// </summary>
+    [CreateAssetMenu(menuName = "BaseGames/Quest/EventChannelRegistry", fileName = "QuestEventChannelRegistry")]
+    public class QuestEventChannelRegistry : ScriptableObject
+    {
+        [Header("输入频道（QuestManager 监听）")]
+        [Tooltip("EVT_EnemyDied：payload = enemyId（string）。敌人死亡时由战斗系统广播，驱动击败类目标进度。")]
+        public StringEventChannelSO          onEnemyDied;
+        [Tooltip("EVT_CollectiblePickup：payload = itemId（string）。拾取物品时广播，驱动收集类目标进度。")]
+        public StringEventChannelSO          onCollectiblePickup;
+        [Tooltip("EVT_SceneLoaded：payload = sceneName（string）。场景切换完成时广播，驱动到达类目标进度。")]
+        public StringEventChannelSO          onSceneLoaded;
+        [Tooltip("EVT_NpcDialogueCompleted：payload = npcId（string）。DialogueManager 播完一段对话后广播，驱动对话类目标进度。")]
+        public StringEventChannelSO          onNpcDialogueCompleted;
+        [Tooltip("EVT_SkillUsed：payload = AbilityType.ToString()（string）。玩家使用技能时广播，驱动技能使用类目标进度。")]
+        public StringEventChannelSO          onSkillUsed;
+        [Tooltip("EVT_AreaReached：payload = markerTag（string）。TriggerZone 在玩家进入时广播，驱动区域到达类目标进度。")]
+        public StringEventChannelSO          onAreaReached;
+
+        [Header("广播频道（QuestManager 广播）")]
+        [Tooltip("EVT_QuestStarted：payload = questId。AcceptQuest 成功后广播。")]
+        public StringEventChannelSO                  onQuestStarted;
+        [Tooltip("EVT_QuestCompleted：payload = questId。CompleteQuest 成功后广播。")]
+        public StringEventChannelSO                  onQuestCompleted;
+        [Tooltip("EVT_QuestFailed：payload = questId。失败条件触发后广播。")]
+        public StringEventChannelSO                  onQuestFailed;
+        [Tooltip("EVT_QuestAbandoned：payload = questId。玩家放弃任务时广播。")]
+        public StringEventChannelSO                  onQuestAbandoned;
+        [Tooltip("EVT_QuestPaused：payload = questId。PauseQuest 成功后广播。")]
+        public StringEventChannelSO                  onQuestPaused;
+        [Tooltip("EVT_QuestResumed：payload = questId。ResumeQuest 成功后广播。")]
+        public StringEventChannelSO                  onQuestResumed;
+        [Tooltip("EVT_QuestReadyToComplete：payload = questId。目标全部达成时广播一次（去重）。")]
+        public StringEventChannelSO                  onQuestReadyToComplete;
+        [Tooltip("EVT_QuestObjectiveUpdated：目标进度变化时广播（强类型 QuestObjectiveEvent）。")]
+        public QuestObjectiveEventChannelSO           onObjectiveUpdated;
+        [Tooltip("EVT_QuestObjectiveBatchUpdated：同帧内多目标聚合后广播一次（避免 HUD 同帧多次重绘）。")]
+        public QuestObjectiveBatchEventChannelSO      onObjectiveBatchUpdated;
+        [Tooltip("EVT_NpcAffinityChanged：NPC 好感度变化（强类型 NpcAffinityEvent）。")]
+        public NpcAffinityEventChannelSO             onNpcAffinityChanged;
+        [Tooltip("EVT_DialogueKeyUnlocked：payload = unlockDialogueKey，供 NPC 台词系统监听。")]
+        public StringEventChannelSO                  onDialogueKeyUnlocked;
+        [Tooltip("EVT_DialogueChoiceSelected：玩家选择对话选项时广播（payload = \"sequenceId/choiceIndex\"）。\n" +
+                 "供 QA 埋点、成就系统、或数据分析监听，以还原玩家的对话选择路径。")]
+        public StringEventChannelSO                  onDialogueChoiceSelected;
+    }
+}