feat: project scaffold (FastAPI backend, React frontend, aiogram bot, docker-compose, CI/CD)

backend/app/models/__init__.py

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+"""Модели данных."""
+from app.models.region import FederalDistrict, Region
+
+__all__ = ["FederalDistrict", "Region"]

backend/app/models/region.py

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+"""Модели справочников: федеральные округа и регионы."""
+from datetime import datetime
+
+from sqlalchemy import DateTime, ForeignKey, String, func
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.db.session import Base
+
+
+class FederalDistrict(Base):
+    __tablename__ = "federal_districts"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(String(100), unique=True)
+    code: Mapped[str | None] = mapped_column(String(20), unique=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    regions: Mapped[list["Region"]] = relationship(back_populates="district")
+
+
+class Region(Base):
+    __tablename__ = "regions"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(String(200), unique=True)
+    federal_district_id: Mapped[int] = mapped_column(ForeignKey("federal_districts.id"))
+    status: Mapped[str] = mapped_column(String(20), default="active")
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
+    )
+
+    district: Mapped[FederalDistrict] = relationship(back_populates="regions")