feat: initial commit

backend/src/models/notification.py

@@ -0,0 +1,14 @@
+from __future__ import annotations
+
+from core.db.base import Base
+from sqlalchemy import BigInteger, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+
+class Notification(Base):
+    __tablename__ = "notification"
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True)
+    title: Mapped[str] = mapped_column(String(255), nullable=False)
+    content: Mapped[str] = mapped_column(Text, nullable=False)
+    timestamp: Mapped[int] = mapped_column(BigInteger, nullable=False)