feat: Add WorldStateFlagAttribute and custom property drawer for enhanced dialogue management

- Implemented WorldStateFlagAttribute to mark string fields as world state flags.
- Created NarrativeNPCEditor for custom inspector to visualize dialogue version activation states.
- Developed WorldStateFlagDrawer to provide dropdown menu for known flags in the inspector.
- Introduced ActorModule for managing DialogueActorSO assets, including viewing, creating, and deleting actors.
- Added DialogueModule for managing DialogueSequenceSO assets with detailed previews and action bars.
- Established QuestModule for managing QuestSO assets, including objectives and branches.
- Implemented QuestManagerPostprocessor to automatically refresh QuestManager's quest list on asset changes.

Assets/_Game/Scripts/Dialogue/DialogueUI.cs

@@ -26,6 +26,11 @@ namespace BaseGames.Dialogue
         private DialogueLine _currentLine;
         private const float  DefaultTypewriterDelay = 0.03f;
 
+        // 缓存单个 WaitForSecondsRealtime，避免 TypeLine 每字符 new 分配。
+        // 当 delay 值改变时才重新创建（不同行可能有不同打字速度）。
+        private WaitForSecondsRealtime _cachedTypeDelay;
+        private float                  _cachedTypeDelayValue = -1f;
+
         /// <summary>当前是否仍在执行打字机效果。</summary>
         public bool IsTyping { get; private set; }
 
@@ -35,20 +40,22 @@ namespace BaseGames.Dialogue
         public void ShowLine(DialogueLine line)
         {
             _currentLine = line;
-            _rootPanel.SetActive(true);
-            _continuePrompt.SetActive(false);
+            if (_rootPanel != null) _rootPanel.SetActive(true);
+            if (_continuePrompt != null) _continuePrompt.SetActive(false);
 
-            // 说话人名称
-            bool hasSpeaker = !string.IsNullOrEmpty(line.speakerNameKey);
+            // 说话人名称（actor 优先，回退到直接字段）
+            string resolvedNameKey = line.ResolvedNameKey;
+            bool hasSpeaker = !string.IsNullOrEmpty(resolvedNameKey);
             if (_speakerNamePanel != null) _speakerNamePanel.SetActive(hasSpeaker);
             if (hasSpeaker && _speakerNameText != null)
-                _speakerNameText.text = LocalizationManager.Get(line.speakerNameKey, "Dialogue");
+                _speakerNameText.text = LocalizationManager.Get(resolvedNameKey, "Dialogue");
 
-            // 头像
+            // 头像（actor 优先，回退到直接字段）
+            var resolvedPortrait = line.ResolvedPortrait;
             if (_speakerPortrait != null)
             {
-                _speakerPortrait.gameObject.SetActive(line.portraitSprite != null);
-                if (line.portraitSprite != null) _speakerPortrait.sprite = line.portraitSprite;
+                _speakerPortrait.gameObject.SetActive(resolvedPortrait != null);
+                if (resolvedPortrait != null) _speakerPortrait.sprite = resolvedPortrait;
             }
 
             // 语音播放
@@ -95,6 +102,14 @@ namespace BaseGames.Dialogue
         {
             IsTyping = true;
             float delay = line.typewriterDelay > 0f ? line.typewriterDelay : DefaultTypewriterDelay;
+
+            // 复用缓存的 WaitForSecondsRealtime；仅当 delay 值变化时才重新 new
+            if (_cachedTypeDelay == null || !Mathf.Approximately(_cachedTypeDelayValue, delay))
+            {
+                _cachedTypeDelay      = new WaitForSecondsRealtime(delay);
+                _cachedTypeDelayValue = delay;
+            }
+
             string text = LocalizationManager.Get(line.textKey ?? "", "Dialogue");
 
             // 性能：StringBuilder 避免每帧字符串分配（O(n²) → O(n)）
@@ -105,7 +120,7 @@ namespace BaseGames.Dialogue
             {
                 sb.Append(c);
                 if (_dialogueText != null) _dialogueText.SetText(sb);   // TMP SetText(StringBuilder) 零分配
-                yield return new WaitForSecondsRealtime(delay);
+                yield return _cachedTypeDelay;
             }
 
             IsTyping = false;