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/NarrativeNPC.cs

@@ -26,6 +26,9 @@ namespace BaseGames.Dialogue
                     return version.dialogue;
             }
 
+            if (_fallbackDialogue == null)
+                Debug.LogWarning($"[NarrativeNPC] '{name}' 没有版本满足当前条件，且未配置兜底对话 (_fallbackDialogue)。", gameObject);
+
             return _fallbackDialogue;
         }
     }
@@ -43,9 +46,11 @@ namespace BaseGames.Dialogue
         public DialogueSequenceSO dialogue;
 
         [Tooltip("全部满足才激活此版本（AND 关系）")]
+        [WorldStateFlag]
         public string[]           requiredFlags;
 
         [Tooltip("有任意一个 = 此版本不激活（NOT 关系）")]
+        [WorldStateFlag]
         public string[]           blockedByFlags;
 
         /// <summary>检查此版本的激活条件（AND requiredFlags / NOT blockedByFlags）。</summary>