feat:新增接口

model/fin_account.py

@@ -0,0 +1,33 @@
+"""fin_account 客户资金账户表 ORM 模型（现金余额，一人一户）。
+
+balance 为账户总余额（含冻结部分），可用余额 = balance - frozen_amount，不落库。
+"""
+from __future__ import annotations
+
+from datetime import datetime
+from decimal import Decimal
+
+from sqlalchemy import BigInteger, DateTime, Integer, Numeric, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from model.base import Base
+
+
+class FinAccount(Base):
+    __tablename__ = "fin_account"
+    __table_args__ = {"comment": "客户资金账户表（现金余额，申购扣款/赎回入账的账务载体）"}
+
+    customer_id: Mapped[int] = mapped_column(
+        BigInteger, primary_key=True, autoincrement=False
+    )
+    balance: Mapped[Decimal] = mapped_column(Numeric(18, 2), server_default="0")
+    frozen_amount: Mapped[Decimal] = mapped_column(Numeric(18, 2), server_default="0")
+    currency: Mapped[str] = mapped_column(String(8), server_default="CNY")
+    status: Mapped[str] = mapped_column(String(16), server_default="正常")
+    version: Mapped[int] = mapped_column(Integer, server_default="0")
+    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()
+    )

model/fin_holdings.py

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+"""fin_holdings 持仓表 ORM 模型（当前/历史持仓快照）。"""
+from __future__ import annotations
+
+from datetime import datetime
+from decimal import Decimal
+
+from sqlalchemy import BigInteger, DateTime, Numeric, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from model.base import Base
+
+
+class FinHoldings(Base):
+    __tablename__ = "fin_holdings"
+    __table_args__ = {"comment": "持仓表（当前/历史持仓快照）"}
+
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
+    customer_id: Mapped[int] = mapped_column(BigInteger)
+    product_id: Mapped[int] = mapped_column(BigInteger)
+    shares: Mapped[Decimal] = mapped_column(Numeric(18, 4), server_default="0")
+    cost_amount: Mapped[Decimal] = mapped_column(Numeric(18, 2), server_default="0")
+    current_value: Mapped[Decimal] = mapped_column(Numeric(18, 2), server_default="0")
+    profit_loss: Mapped[Decimal] = mapped_column(Numeric(18, 2), server_default="0")
+    profit_ratio: Mapped[Decimal] = mapped_column(Numeric(8, 4), server_default="0")
+    status: Mapped[str] = mapped_column(String(16), server_default="持有中")
+    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()
+    )