[Feature] 人格设定支持导出/导入。

Fixes #4409

Author: Sjshi763

dashboard/src/i18n/locales/en-US/features/persona.json

@@ -96,6 +96,7 @@
       "moveSuccess": "Persona moved successfully",
       "moveError": "Failed to move persona",
       "exportSuccess": "Exported successfully(excluding skills and tools)",
+      "exportError": "Failed to export persona",
       "importSuccess": "Imported successfully",
       "importError": "Failed to import persona"
     }

dashboard/src/i18n/locales/zh-CN/features/persona.json

@@ -96,6 +96,7 @@
       "moveSuccess": "人格移动成功",
       "moveError": "移动人格失败",
       "exportSuccess": "导出成功(不包含 Skills 和工具)",
+      "exportError": "导出失败",
       "importSuccess": "导入成功",
       "importError": "导入失败"
     }