init commit

app/models/audit.py

@@ -0,0 +1,15 @@
+from __future__ import annotations
+from datetime import datetime
+from typing import Optional
+from sqlalchemy import ForeignKey, String, JSON, func, DateTime
+from sqlalchemy.orm import Mapped, mapped_column
+from app.db.session import Base
+
+class AuditLog(Base):
+    __tablename__ = "audit_logs"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    user_id: Mapped[Optional[int]] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"))
+    action: Mapped[str] = mapped_column(String(64))
+    payload: Mapped[Optional[dict]] = mapped_column(JSON)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())