fix: 懒加载单例以修复环境变量加载问题

src/chat/normal_chat/normal_chat_planner.py

@@ -5,7 +5,7 @@ from src.llm_models.utils_model import LLMRequest
 from src.config.config import global_config
 from src.common.logger import get_logger
 from src.chat.utils.prompt_builder import Prompt, global_prompt_manager
-from src.individuality.individuality import individuality
+from src.individuality.individuality import get_individuality
 from src.chat.focus_chat.planners.action_manager import ActionManager
 from src.chat.actions.base_action import ChatMode
 from src.chat.message_receive.message import MessageThinking
@@ -94,8 +94,8 @@ class NormalChatPlanner:
                 nickname_str += f"{nicknames},"
             name_block = f"你的名字是{global_config.bot.nickname},你的昵称有{nickname_str}，有人也会用这些昵称称呼你。"
 
-            personality_block = individuality.get_personality_prompt(x_person=2, level=2)
-            identity_block = individuality.get_identity_prompt(x_person=2, level=2)
+            personality_block = get_individuality().get_personality_prompt(x_person=2, level=2)
+            identity_block = get_individuality().get_identity_prompt(x_person=2, level=2)
 
             self_info = name_block + personality_block + identity_block