添加注释，增加redis支持，添加了聊天记录构建支持

core/redis_manager.py

@@ -0,0 +1,60 @@
+import redis
+from .config_loader import global_config as config
+
+class RedisManager:
+    """
+    Redis 连接管理器
+    """
+    _pool = None
+    _client = None
+
+    @classmethod
+    def initialize(cls):
+        """
+        初始化 Redis 连接并进行健康检查
+        """
+        if cls._pool is None:
+            try:
+                host = config.redis['host']
+                port = config.redis['port']
+                db = config.redis['db']
+                password = config.redis.get('password')
+                
+                print(f" 正在尝试连接 Redis: {host}:{port}, DB: {db}")
+
+                cls._pool = redis.ConnectionPool(
+                    host=host,
+                    port=port,
+                    db=db,
+                    password=password,
+                    decode_responses=True
+                )
+                cls._client = redis.Redis(connection_pool=cls._pool)
+                if cls._client.ping():
+                    print(" Redis 连接成功！")
+                else:
+                    print(" Redis 连接失败: PING 命令无响应")
+            except redis.exceptions.ConnectionError as e:
+                print(f" Redis 连接失败: {e}")
+                cls._pool = None
+                cls._client = None
+            except Exception as e:
+                print(f" Redis 初始化时发生未知错误: {e}")
+                cls._pool = None
+                cls._client = None
+
+    @classmethod
+    def get_redis(cls):
+        """
+        获取 Redis 连接
+
+        :return: Redis 连接实例
+        """
+        if cls._client is None:
+            # 理论上 initialize 应该在程序启动时被调用，这里作为备用
+            cls.initialize()
+        return cls._client
+
+# 在模块加载时直接初始化
+RedisManager.initialize()
+redis_client = RedisManager.get_redis()