feature:基本框架

model/__init__.py

@@ -0,0 +1 @@
+"""数据模型层：Pydantic DTOs（随各 API 落地）+ SQLAlchemy ORM（随各模块落地）。建表 DDL 见 sql/schema.sql。"""

model/base.py

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+"""SQLAlchemy 2.0 声明式基类，所有 ORM 模型继承。"""
+from sqlalchemy.orm import DeclarativeBase
+
+
+class Base(DeclarativeBase):
+    pass

model/sys_config.py

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+"""sys_config 运营参数表 ORM 模型（高净值门槛/偏离阈值等，免发版调整）。"""
+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import BigInteger, DateTime, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from model.base import Base
+
+
+class SysConfig(Base):
+    __tablename__ = "sys_config"
+    __table_args__ = {"comment": "运营参数 KV 表"}
+
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
+    config_key: Mapped[str] = mapped_column(String(64), unique=True)
+    config_value: Mapped[str] = mapped_column(String(255))
+    description: Mapped[str | None] = mapped_column(String(255))
+    update_time: Mapped[datetime] = mapped_column(
+        DateTime, server_default=func.now(), onupdate=func.now()
+    )

model/sys_user.py

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+"""sys_user 统一用户表 ORM 模型（客户与员工共用账号体系）。"""
+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import BigInteger, DateTime, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from model.base import Base
+
+
+class SysUser(Base):
+    __tablename__ = "sys_user"
+    __table_args__ = {"comment": "统一用户表（客户与员工共用账号体系）"}
+
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
+    username: Mapped[str] = mapped_column(String(64), unique=True)
+    password_hash: Mapped[str] = mapped_column(String(255))
+    salt: Mapped[str | None] = mapped_column(String(32))
+    real_name: Mapped[str | None] = mapped_column(String(32))
+    phone: Mapped[str] = mapped_column(String(20))
+    user_type: Mapped[str] = mapped_column(String(16), server_default="CUSTOMER")
+    employee_role: Mapped[str | None] = mapped_column(String(32))
+    customer_level: Mapped[str | None] = mapped_column(String(16))
+    status: Mapped[str] = mapped_column(String(16), server_default="正常")
+    create_time: Mapped[datetime] = mapped_column(
+        DateTime, server_default=func.now()
+    )
+    update_time: Mapped[datetime] = mapped_column(
+        DateTime, server_default=func.now(), onupdate=func.now()
+    )