style: 项目重构

1.项目改名为kilostar（千星）
2.后端部分进行大规模重构
3.node功能进行大规模重新设计

kilostar/core/postgres_database/database_exception.py

@@ -0,0 +1,51 @@
+#  Copyright 2026 zhaoxi826
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from sqlalchemy.exc import IntegrityError, OperationalError
+from pydantic import ValidationError
+from kilostar.utils.error import UserNotExistError
+
+from kilostar.utils.logger import get_logger
+
+logger = get_logger("database_exception")
+
+
+def database_exception(func):
+    """执行与 database exception 相关的核心业务流转操作。
+    该方法封装了具体的算法策略或状态控制逻辑，确保操作能够在事务上下文中被原子且一致地执行。
+    Args:        func: 参与 database exception 逻辑运算或数据构建的上下文依赖对象。
+    Returns:        : 经由当前业务模型加工处理后所输出的具体数据实例或领域模型对象。"""
+
+    async def wrapper(*args, **kwargs):
+        """执行与 wrapper 相关的核心业务流转操作。
+        该方法封装了具体的算法策略或状态控制逻辑，确保操作能够在事务上下文中被原子且一致地执行。
+        Returns:        : 经由当前业务模型加工处理后所输出的具体数据实例或领域模型对象。"""
+        try:
+            return await func(*args, **kwargs)
+        except ValidationError as e:
+            logger.error(f"对象校验失败:{e}")
+            raise e
+        except IntegrityError as e:
+            logger.error(f"数据库完整性错误 (如重复记录): {e}")
+            raise e
+        except OperationalError as e:
+            logger.error(f"数据库连接异常: {e}")
+            raise e
+        except UserNotExistError as e:
+            logger.error(f"更改密码失败，用户不存在：{e}")
+        except Exception as e:
+            logger.exception(f"未预期的数据库错误: {e}")
+            raise e
+
+    return wrapper