feat: Asset Catalog system, PostGIS integration and RobotScout V1

backend/app/models/audit.py

@@ -0,0 +1,16 @@
+from sqlalchemy import Column, Integer, String, DateTime, JSON, ForeignKey, text
+from sqlalchemy.sql import func
+from app.db.base_class import Base
+
+class AuditLog(Base):
+    __tablename__ = "audit_logs"
+    __table_args__ = {"schema": "data"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("data.users.id", ondelete="SET NULL"), nullable=True)
+    action = Column(String(100), nullable=False)  # pl. "LOGIN", "REGISTER", "DELETE_ASSET"
+    resource_type = Column(String(50))           # pl. "User", "Asset", "Organization"
+    resource_id = Column(String(100))
+    details = Column(JSON, server_default=text("'{}'::jsonb"))
+    ip_address = Column(String(45))
+    created_at = Column(DateTime(timezone=True), server_default=func.now())