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/model/user.py

@@ -0,0 +1,47 @@
+#  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 enum import IntEnum
+
+from sqlalchemy import String, Integer, text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from .base import BaseDataModel
+
+
+class UserAuthority(IntEnum):
+    """
+    权限枚举类
+    """
+    SUPER_ADMINISTRATOR = 100
+    ADMINISTRATOR = 50
+    USER = 20
+    UNAUTHORIZED_USER = 10
+    GUEST = 0
+
+
+class User(BaseDataModel):
+    """
+    数据库user表模型
+    """
+    __tablename__ = "user"
+    user_id: Mapped[str] = mapped_column(String(64), primary_key=True)
+    user_name: Mapped[str] = mapped_column(String(100), index=True, nullable=False)
+    hashed_password: Mapped[str] = mapped_column(String(255), nullable=False)
+    user_authority: Mapped[UserAuthority] = mapped_column(
+        Integer,
+        default=UserAuthority.USER,
+        server_default=text("20")
+    )