Create src/core/models/base.py

src/core/models/base.py

@@ -0,0 +1,13 @@
+# src/core/models/base.py
+from datetime import datetime
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import Column, DateTime
+
+Base = declarative_base()
+
+class TimestampedModel(Base):
+    """Base class for all models with timestamp fields"""
+    __abstract__ = True
+
+    created_at = Column(DateTime, default=datetime.utcnow)
+    updated_at = Column(DateTime, onupdate=datetime.utcnow)