- backup field: autocomplete=off -> one-time-code (backup codes ARE one-time codes;
matches the main challenge field, the rest of the app, and the spec; restores
password-manager OTP autofill that the earlier polish broke)
- both verify() use the trait's memoised $this->pendingUser() instead of a fresh
User::find(), saving a redundant query on the failed-attempt re-render (Pint dropped
the now-unused User import in TwoFactorBackup)
- spec: align trait backing-state visibility note to the implemented 'private'
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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