fix：修改默认模型，微调prompt

src/chat/focus_chat/info/self_info.py

@@ -1,40 +0,0 @@
-from dataclasses import dataclass
-from .info_base import InfoBase
-
-
-@dataclass
-class SelfInfo(InfoBase):
-    """思维信息类
-
-    用于存储和管理当前思维状态的信息。
-
-    Attributes:
-        type (str): 信息类型标识符，默认为 "mind"
-        data (Dict[str, Any]): 包含 current_mind 的数据字典
-    """
-
-    type: str = "self"
-
-    def get_self_info(self) -> str:
-        """获取当前思维状态
-
-        Returns:
-            str: 当前思维状态
-        """
-        return self.get_info("self_info") or ""
-
-    def set_self_info(self, self_info: str) -> None:
-        """设置当前思维状态
-
-        Args:
-            self_info: 要设置的思维状态
-        """
-        self.data["self_info"] = self_info
-
-    def get_processed_info(self) -> str:
-        """获取处理后的信息
-
-        Returns:
-            str: 处理后的信息
-        """
-        return self.get_self_info() or ""