Alembic Migration Patterns Problem Statement Alembic autogenerate is convenient but misses things and sometimes generates dangerous migrations. Schema changes are high-risk - bad migrations cause data loss or downtime. Every migration needs human review. --- Pattern: Migration Commands --- Pattern: Reviewing Autogenerated Migrations ALWAYS review autogenerated migrations. They often need fixes. What Autogenerate Catches - Table creation/deletion - Column addition/removal - Column type changes - Foreign key changes - Index changes (sometimes) What Autogenerate Misses - Column renames (sees as…