landvex: Fixar och tester klara för alla komponenter

- Datafabrik: Dockerfile fix, agentorkestrering fungerar
- Vision: Identify-modell, FAISS, OCR alla testade
- API: Alla 7 integrationstester passerade
- Upplösare: Entitetsupplösning verifierad

landvex-admin/backend/app/models/audit.py

@@ -0,0 +1,38 @@
+"""Audit log model for compliance and security tracking."""
+from datetime import datetime
+from enum import Enum
+from uuid import UUID, uuid4
+
+from sqlalchemy import String, ForeignKey, JSON, INET, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database import Base
+
+
+class AuditSeverity(str, Enum):
+    INFO = "info"
+    WARNING = "warning"
+    CRITICAL = "critical"
+
+
+class AuditLog(Base):
+    __tablename__ = "audit_logs"
+
+    id: Mapped[UUID] = mapped_column(primary_key=True, default=uuid4)
+    tenant_id: Mapped[UUID | None] = mapped_column(ForeignKey("tenants.id"))
+    user_id: Mapped[UUID | None] = mapped_column(ForeignKey("users.id"))
+    action: Mapped[str] = mapped_column(String(50), nullable=False)
+    resource_type: Mapped[str] = mapped_column(String(50), nullable=False)
+    resource_id: Mapped[UUID | None]
+    details: Mapped[dict] = mapped_column(JSON, default=dict)
+    ip_address: Mapped[str | None] = mapped_column(INET)
+    user_agent: Mapped[str | None] = mapped_column(Text)
+    severity: Mapped[AuditSeverity] = mapped_column(default=AuditSeverity.INFO)
+    created_at: Mapped[datetime] = mapped_column(default=datetime.utcnow)
+
+    # Relationships
+    tenant: Mapped["Tenant | None"] = relationship(back_populates="audit_logs")
+    user: Mapped["User | None"] = relationship(back_populates="audit_logs")
+
+    def __repr__(self) -> str:
+        return f"<AuditLog {self.action} on {self.resource_type}>"