feat: Round 51 narrative systems improvements

- SaveData: update QuestState.Status comment to include Paused state
- QuestManager: add inline comment on AcceptQuest duplicate-accept guard
- QuestManager: wrap reward.Apply() in try-catch so exceptions don't
  corrupt already-committed Completed state
- QuestManager.UnlockBranches: support new conditionFlagEntries (invert/
  NOT logic) with graceful fallback to legacy conditionFlags
- QuestGiver: cache IQuestManager field in OnEnable; subscribe to
  OnQuestStateChanged for automatic cache invalidation instead of manual
  _cacheDirty = true after each Interact; remove per-call SL.GetOrDefault
- QuestGiver: replace hardcoded Chinese prompt strings with
  LocalizationManager.Get(key, 'UI') + inline fallback via GetPrompt()
- QuestSO: add BranchFlagEntry struct (flagId + invert) for NOT-logic
  branch conditions; add conditionFlagEntries to QuestBranch with
  HideInInspector on legacy conditionFlags for backward compat
- QuestModule: add static TTL cache (5 s) for FindAll<QuestSO>() in
  PopulateDependencyGraph to avoid re-scanning disk on every foldout open
- NpcSOEditor: add 'jump to localization file' button that pings and
  selects the UI table JSON in the Project window

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

Assets/_Game/Scripts/Editor/Dialogue/NpcSOEditor.cs

@@ -50,6 +50,16 @@ namespace BaseGames.Editor.Dialogue
                     $"▸ nameKey 解析预览：{resolved}",
                     s_previewStyle);
             }
+
+            // ── 跳转到本地化文件 ────────────────────────────────────────────
+            EditorGUILayout.Space(4);
+            EditorGUILayout.BeginHorizontal();
+            GUILayout.FlexibleSpace();
+            if (GUILayout.Button("跳转到本地化文件（UI 表）", GUILayout.Width(200)))
+            {
+                PingLocalizationFile("UI");
+            }
+            EditorGUILayout.EndHorizontal();
         }
 
         /// <summary>
@@ -69,5 +79,32 @@ namespace BaseGames.Editor.Dialogue
                 return null;
             }
         }
+
+        /// <summary>
+        /// 在 Project 窗口中 Ping 指定表名对应的本地化 JSON 文件（Resources/Localization/…/{tableName}.json）。
+        /// 遍历所有语言目录，以第一个找到的文件为准。
+        /// </summary>
+        private static void PingLocalizationFile(string tableName)
+        {
+            string[] guids = AssetDatabase.FindAssets(
+                $"t:TextAsset {tableName}",
+                new[] { "Assets/Resources/Localization" });
+
+            foreach (var guid in guids)
+            {
+                string path = AssetDatabase.GUIDToAssetPath(guid);
+                // 文件名（不含扩展名）必须完全匹配 tableName
+                if (!path.EndsWith($"/{tableName}.json", System.StringComparison.OrdinalIgnoreCase)) continue;
+
+                var asset = AssetDatabase.LoadAssetAtPath<TextAsset>(path);
+                if (asset == null) continue;
+
+                EditorGUIUtility.PingObject(asset);
+                Selection.activeObject = asset;
+                return;
+            }
+
+            Debug.LogWarning($"[NpcSOEditor] 未找到本地化表文件：Resources/Localization/…/{tableName}.json");
+        }
     }
 }