Function migrateOpusToOpus1m

src/migrations/migrateOpusToOpus1m.ts:24–43

()

 * Idempotent: only writes if userSettings.model is exactly 'opus'.
 */
export function migrateOpusToOpus1m(): void {
  if (!isOpus1mMergeEnabled()) {
    return
  }

  const model = getSettingsForSource('userSettings')?.model
  if (model !== 'opus') {
    return
  }

  const migrated = 'opus[1m]'
  const modelToSet =
    parseUserSpecifiedModel(migrated) ===
    parseUserSpecifiedModel(getDefaultMainLoopModelSetting())
      ? undefined
      : migrated
  updateSettingsForSource('userSettings', { model: modelToSet })

  logEvent('tengu_opus_to_opus1m_migration', {})
}