feat: deliver agent foundation day 1

server/src/app/models/audit_log.py

@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+import uuid
+from datetime import datetime
+from typing import Any
+
+from sqlalchemy import DateTime, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.types import JSON
+
+from app.db.base_class import Base
+
+
+class AuditLog(Base):
+    __tablename__ = "audit_logs"
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    actor: Mapped[str] = mapped_column(String(100))
+    action: Mapped[str] = mapped_column(String(100), index=True)
+    resource_type: Mapped[str] = mapped_column(String(50), index=True)
+    resource_id: Mapped[str] = mapped_column(String(100), index=True)
+    before_json: Mapped[dict[str, Any] | None] = mapped_column(JSON, nullable=True)
+    after_json: Mapped[dict[str, Any] | None] = mapped_column(JSON, nullable=True)
+    request_id: Mapped[str] = mapped_column(String(64), index=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())