test/customers.test.js passes on the baseline schema and fails in all 2 candidate runs. New in every candidate run, absent from the control run: SQLSTATE 42703 (undefined_column): column "email" of relation "customers" does not exist — statement: INSERT INTO customers (name, email) VALUES ($1, $2) RETURNING id test/orders.test.js passes on the baseline schema and fails in all 2 candidate runs. New in every candidate run, absent from the control run: SQLSTATE 42703 (undefined_column): column "email" of relation "customers" does not exist — statement: INSERT INTO customers (name, email) VALUES ($1, $2) RETURNING id The previous application version reproducibly fails against the proposed schema, and the failure is linked to a specific schema change. test/customers.test.js: SQLSTATE 42703 (undefined_column) linked to column_removed:customers.email by R1 undefined_column ↔ removed/renamed column. test/orders.test.js: SQLSTATE 42703 (undefined_column) linked to column_removed:customers.email by R1 undefined_column ↔ removed/renamed column.