chore(home): mirror from kalinamall (9883e6a) with papatramp URLs

backend/app/models/mobile_refresh_token.py

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+from datetime import datetime
+
+from sqlalchemy import DateTime, ForeignKey, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.database import Base
+
+
+class MobileRefreshToken(Base):
+    __tablename__ = "mobile_refresh_tokens"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    device_id: Mapped[int] = mapped_column(ForeignKey("mobile_devices.id", ondelete="CASCADE"))
+    token_hash: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True))
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    revoked_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)