Safe Migrations

Scope Check First

This skill is Active Record-first unless the touched package clearly uses Sequel.

Before giving migration advice, identify which migration system owns the file:

• class ... < ActiveRecord::Migration[...] → Active Record migration
• Sequel.migration do → Sequel migration
• mixed repos may contain both

If the repo is modular or mixed-ORM:

• identify the owning package first
• do not generate Rails migration templates for Sequel packages
• do not assume one global migration strategy for the whole repository

Iron Laws