Backend Migrations

Create and manage database migrations following best practices for schema evolution and data integrity. When creating or modifying database migration files (migrations/*, *.migration.ts, migrate.ts). When working on schema changes, data migrations, or database version control. When implementing reversible migrations with up/down methods, managing indexes on large tables, or handling zero-downtime deployments. When writing migration scripts that alter database structure, add or remove tables, modify columns, or transform data.