feat: Sprint 1 foundation - FastAPI scaffold, DB schema, auth, seed data, mock WhatsApp, Docker

app/models/unit.py

@@ -0,0 +1,21 @@
+"""Unit model — an apartment at Pavilion East/West."""
+
+from __future__ import annotations
+
+from sqlalchemy import String
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.database import Base
+
+
+class Unit(Base):
+    __tablename__ = "units"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    property: Mapped[str] = mapped_column(String(10), nullable=False, comment="East or West")
+    apartment_code: Mapped[str] = mapped_column(String(20), unique=True, nullable=False, index=True)
+    building: Mapped[str | None] = mapped_column(String(100), nullable=True)
+    floor: Mapped[int | None] = mapped_column(nullable=True)
+
+    def __repr__(self) -> str:
+        return f"<Unit {self.apartment_code}>"