kener/migrations/20260120120000_add_monitor_settings_json.ts

import type { Knex } from "knex";

export async function up(knex: Knex): Promise<void> {
  const hasCol = await knex.schema.hasColumn("monitors", "monitor_settings_json");
  if (!hasCol) {
    await knex.schema.alterTable("monitors", (table) => {
      table.text("monitor_settings_json").nullable();
    });
  }
}

export async function down(knex: Knex): Promise<void> {
  await knex.schema.alterTable("monitors", (table) => {
    table.dropColumn("monitor_settings_json");
  });
}