Add Exception model

models/exception.py

@@ -0,0 +1,18 @@
+from sqlalchemy import Column, String, DateTime, Text
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.sql import func
+from core.database import Base
+import uuid
+
+class Exception(Base):
+    __tablename__ = "exceptions"
+    
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    error_code = Column(String(50), nullable=False, index=True)
+    message = Column(String(255), nullable=False)
+    details = Column(Text, nullable=True)
+    stack_trace = Column(Text, nullable=True)
+    source = Column(String(100), nullable=False)
+    
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())