Check for existing columns/tables before adding to avoid duplicate column errors when production DB state is ahead of Alembic history. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Check for existing columns/tables before adding to avoid duplicate column errors when production DB state is ahead of Alembic history. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>