添加测试、添加总结、全量、rag（todo）3种历史记录保存方式，流式实现

backend/services/character_service.py

@@ -100,6 +100,10 @@ class CharacterService:
             outputSchema=data.get('outputSchema'),
             avatarPath=avatar_path,
             alternate_greetings=data.get('alternate_greetings', []),
+            tableMaintenancePrompt=data.get('tableMaintenancePrompt'),
+            imageGenerationPrompt=data.get('imageGenerationPrompt'),
+            tableHeaders=data.get('tableHeaders'),  # ✅ 动态表格表头
+            tableDefaults=data.get('tableDefaults'),  # ✅ 动态表格默认值
             createdAt=data.get('createdAt', int(datetime.now().timestamp())),
             updatedAt=data.get('updatedAt', int(datetime.now().timestamp())),
             lastChatAt=last_chat_at,