feat：新的人格结构，完成20%

src/individuality/identity.py

@@ -0,0 +1,95 @@
+from dataclasses import dataclass
+from typing import List
+
+@dataclass
+class Identity:
+    """身份特征类"""
+    identity_detail: List[str]  # 身份细节描述
+    height: int  # 身高（厘米）
+    weight: int  # 体重（千克）
+    age: int  # 年龄
+    gender: str  # 性别
+    appearance: str  # 外貌特征
+    
+    _instance = None
+    
+    def __new__(cls, *args, **kwargs):
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+        return cls._instance
+    
+    def __init__(self, identity_detail: List[str] = None, height: int = 0, weight: int = 0, 
+                 age: int = 0, gender: str = "", appearance: str = ""):
+        """初始化身份特征
+        
+        Args:
+            identity_detail: 身份细节描述列表
+            height: 身高（厘米）
+            weight: 体重（千克）
+            age: 年龄
+            gender: 性别
+            appearance: 外貌特征
+        """
+        if identity_detail is None:
+            identity_detail = []
+        self.identity_detail = identity_detail
+        self.height = height
+        self.weight = weight
+        self.age = age
+        self.gender = gender
+        self.appearance = appearance
+    
+    @classmethod
+    def get_instance(cls) -> 'Identity':
+        """获取Identity单例实例
+        
+        Returns:
+            Identity: 单例实例
+        """
+        if cls._instance is None:
+            cls._instance = cls()
+        return cls._instance
+    
+    @classmethod
+    def initialize(cls, identity_detail: List[str], height: int, weight: int, 
+                 age: int, gender: str, appearance: str) -> 'Identity':
+        """初始化身份特征
+        
+        Args:
+            identity_detail: 身份细节描述列表
+            height: 身高（厘米）
+            weight: 体重（千克）
+            age: 年龄
+            gender: 性别
+            appearance: 外貌特征
+            
+        Returns:
+            Identity: 初始化后的身份特征实例
+        """
+        instance = cls.get_instance()
+        instance.identity_detail = identity_detail
+        instance.height = height
+        instance.weight = weight
+        instance.age = age
+        instance.gender = gender
+        instance.appearance = appearance
+        return instance
+    
+    def to_dict(self) -> dict:
+        """将身份特征转换为字典格式"""
+        return {
+            "identity_detail": self.identity_detail,
+            "height": self.height,
+            "weight": self.weight,
+            "age": self.age,
+            "gender": self.gender,
+            "appearance": self.appearance
+        }
+    
+    @classmethod
+    def from_dict(cls, data: dict) -> 'Identity':
+        """从字典创建身份特征实例"""
+        instance = cls.get_instance()
+        for key, value in data.items():
+            setattr(instance, key, value)
+        return instance