Добавлена модель пользователя

backend/app/models.py

@@ -0,0 +1,33 @@
+from datetime import datetime, timezone
+from enum import Enum
+
+from sqlalchemy import Boolean, DateTime, Enum as SqlEnum, Integer, String
+from sqlalchemy.orm import Mapped, mapped_column
+
+from .database import Base
+
+
+class UserRole(str, Enum):
+    """Роли пользователей панели."""
+
+    admin = "admin"
+    client = "client"
+
+
+class User(Base):
+    """Пользователь панели с Argon2id-хешем пароля."""
+
+    __tablename__ = "users"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    email: Mapped[str] = mapped_column(String(320), unique=True, index=True)
+    password_hash: Mapped[str] = mapped_column(String(512))
+    role: Mapped[UserRole] = mapped_column(
+        SqlEnum(UserRole), default=UserRole.client, nullable=False
+    )
+    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        default=lambda: datetime.now(timezone.utc),
+        nullable=False,
+    )