Merge pull request #27 from christianlouis/copilot/fix-script-location-error

fix: initialize Alembic migrations to resolve container startup failure

backend/app/models/report.py

@@ -29,7 +29,7 @@ class DMARCReport(Base):
     percentage = Column(Integer, nullable=True)
 
     # Processing metadata
-    processed_at = Column(DateTime, default=datetime.utcnow, index=True)
+    processed_at = Column(DateTime, default=datetime.utcnow)
     raw_data = Column(Text, nullable=True)  # Original XML content (optional)
 
     # Relationships