添加 刷新通讯录功能，用于解决冗余数据问题。

db/contacts_db.py

@@ -663,3 +663,66 @@ class ContactsDBOperator(BaseDBOperator):
         except Exception as e:
             self.LOG.error(f"删除群聊{chatroom_id}信息失败: {e}")
             return False
+
+    #新增获取群列表接口
+    def get_chatroom_list(self) -> List[dict]:
+        """获取群列表"""
+        try:
+            sql = "SELECT * FROM t_chatrooms"
+            results = self.execute_query(sql)
+            for result in results:
+                if result.get('member_list'):
+                    result['member_list'] = json.loads(result['member_list'])
+            return results
+        except Exception as e:
+            self.LOG.error(f"获取群列表失败: {e}")
+            return []
+
+    #新增获取群成员列表接口
+    def get_chatroom_member_list(self, chatroom_id: str) -> List[dict]:
+        """获取群成员列表"""
+        try:
+            sql = "SELECT * FROM t_chatroom_member WHERE chatroom_id = %s"
+            results = self.execute_query(sql, (chatroom_id,))
+            return results
+        except Exception as e:
+            self.LOG.error(f"获取群{chatroom_id}成员列表失败: {e}")
+            return []
+
+    #新增获取群成员信息接口
+    def get_chatroom_member_info(self, chatroom_id: str, wxid: str) -> Optional[dict]:
+        """获取群成员信息"""
+        try:
+            sql = "SELECT * FROM t_chatroom_member WHERE chatroom_id = %s AND wxid = %s LIMIT 1"
+            result = self.execute_query(sql, (chatroom_id, wxid), fetch_one=True)
+            return result
+        except Exception as e:
+            self.LOG.error(f"获取群{chatroom_id}成员{wxid}信息失败: {e}")
+            return None
+
+    #新增群信息删除功能
+    def delete_chatroom_member_info(self, chatroom_id: str, wxid: str) -> bool:
+        """删除群成员信息"""
+        try:
+            sql = "DELETE FROM t_chatroom_member WHERE chatroom_id = %s AND wxid = %s"
+            self.execute_update(sql, (chatroom_id, wxid))
+            self.LOG.info(f"成功删除群{chatroom_id}成员{wxid}信息")
+            sql = "DELETE FROM t_chatrooms WHERE chatroom_id = %s"
+            self.execute_update(sql, (chatroom_id,))
+            self.LOG.info(f"成功删除群聊 {chatroom_id} 信息")
+            return True
+        except Exception as e:
+            self.LOG.error(f"删除群{chatroom_id}信息失败: {e}")
+            return False
+
+    #新增删除所有联系人功能
+    def delete_all_contacts(self) -> bool:
+        """删除所有联系人信息"""
+        try:
+            sql = "DELETE FROM t_wechat_contacts"
+            self.execute_update(sql)
+            self.LOG.info(f"成功删除所有联系人信息")
+            return True
+        except Exception as e:
+            self.LOG.error(f"删除所有联系人信息失败: {e}")
+            return False